emcs scada standard - melbourne airport
TRANSCRIPT
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION
OCTOBER-19
TECHNICAL SPECIFICATION
MAS-ELC-006
EMCS ENGINEERING STANDARD
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION i ENGINEERING STANDARD
OCTOBER-19 EMCS
DISCLAIMER
This Specification has been developed by Australia Pacific Airports (Melbourne) Pty Ltd
(Melbourne Airport) for use in the construction and maintenance of works at Melbourne Airport
in order to:
Provide guidance to persons planning and performing those works as to airport specific
requirements; and
Promote consistency in utilities infrastructure across the airport generally.
While Melbourne Airport expects users to comply with this Specification, users should keep in
mind that in some circumstances a higher standard than the minimum set out in this
Specification may be warranted. In particular, users are also required to:
Exercise their professional judgement as to whether this Specification is appropriate to
the particular circumstances;
Bring to the task their knowledge of other relevant industry standards and practices that
should also apply; and
Request from Melbourne Airport, authority to depart from this Specification, and advise
why such departure is appropriate.
The use of the information contained in this Specification is at the user’s sole risk. Melbourne
Airport, officers, employees and agents:
Make no representations, express or implied, as to the accuracy of the information
contained in this Specification;
Accept no liability for any use of the information contained in this Specification or reliance
placed on it; and
Make no representations, either express or implied, as to the suitability of the information
contained in this Specification for any particular purpose.
Melbourne Airport does not endorse, or in any respect warrant, any third party products or
services by virtue of any information, material or content referred to, included in, or linked to
from this Specification.
Please note that this Specification may be updated from time to time without notice and shall be
subject to Periodic Review as part of the Melbourne Airport Document Control Process (MAS-
GEN-002). Users are required to check they are referring to the most recent version.
Copyright in this document belongs to Melbourne Airport.
Version Prepared by Authorised by Publish Date
Draft_A GHD Pty Ltd - Dec-18
Rev. 0 GHD Pty Ltd - Feb-19
Rev. 1 GHD Pty Ltd - Oct-19
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CONTENTS
1. Scope ............................................................................................................................................. 1
1.1 Mandatory and non-mandatory requirements ..................................................................... 1
1.2 Limits of standard ................................................................................................................. 1
1.3 Deviation from the standard ................................................................................................. 1
2. Reference documents .................................................................................................................... 2
2.1 Codes, legislation and rules ................................................................................................. 2
2.2 Australian standards ............................................................................................................ 2
2.3 APAM standards .................................................................................................................. 2
2.4 Selection and interpretation of standards ............................................................................ 3
3. Definitions and abbreviations ......................................................................................................... 4
3.1 Definitions ............................................................................................................................ 4
3.2 Abbreviations ....................................................................................................................... 6
4. EMCS Standard ............................................................................................................................. 8
4.1 Purpose ................................................................................................................................ 8
4.2 Document structure .............................................................................................................. 8
4.3 Modifications when interfacing ............................................................................................. 8
4.4 Project specific ..................................................................................................................... 8
5. Functionalities .............................................................................................................................. 10
5.1 Monitoring .......................................................................................................................... 10
5.2 Remote control ................................................................................................................... 19
5.3 Benchmarking .................................................................................................................... 22
5.4 Dashboard and trending .................................................................................................... 25
5.5 Reports .............................................................................................................................. 25
5.6 Event notification ................................................................................................................ 27
5.7 Power events analysis ....................................................................................................... 28
5.8 Security .............................................................................................................................. 29
6. Tags ............................................................................................................................................. 30
6.1 Tag list ............................................................................................................................... 30
6.2 Tag categories ................................................................................................................... 30
6.3 Naming convention ............................................................................................................ 30
6.4 Status, alarms and analogues ........................................................................................... 38
6.5 Internal ............................................................................................................................... 39
6.6 Commands and set points ................................................................................................. 39
6.7 Time ................................................................................................................................... 39
6.8 Standard Tag list ................................................................................................................ 41
7. Human Machine Interface ............................................................................................................ 41
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7.1 Ergonomics ........................................................................................................................ 41
7.2 User pages ......................................................................................................................... 43
7.3 Navigation .......................................................................................................................... 82
7.4 Graphic symbols ................................................................................................................ 83
7.5 Animations and colour scheme .......................................................................................... 91
7.6 User access settings .......................................................................................................... 97
8. Architecture .................................................................................................................................. 99
8.1 Philosophy ......................................................................................................................... 99
8.2 EMCS Servers and software ........................................................................................... 101
8.3 Point of Access ................................................................................................................ 102
8.4 Service conditions ............................................................................................................ 103
8.5 Equipment specification ................................................................................................... 103
8.6 System performance tuning ............................................................................................. 108
8.7 Typical reticulation ........................................................................................................... 109
9. Documentation ........................................................................................................................... 115
9.1 Design stage .................................................................................................................... 115
9.2 Delivery stage .................................................................................................................. 116
10. Operations & maintenance......................................................................................................... 117
10.1 Ethernet port and GPO .................................................................................................... 117
10.2 Spare parts ...................................................................................................................... 117
10.3 Drivers and software ........................................................................................................ 117
10.4 Training ............................................................................................................................ 118
Table index
Table 1 Enumeration philosophy ............................................................................................................ 11
Table 2 Pre-configured reports list ......................................................................................................... 25
Table 3 Alarms user group ..................................................................................................................... 27
Table 4 Waveforms minimum characteristics ........................................................................................ 28
Table 5 IEC 61850 – Main logical nodes ............................................................................................... 32
Table 6 Equipment Name –hierarchy levels .......................................................................................... 33
Table 7 Tag description – Approved wording ......................................................................................... 37
Table 8 Allowed abbreviations ............................................................................................................... 41
Table 9 Screens native resolution .......................................................................................................... 42
Table 10 Commentaries list .................................................................................................................... 78
Table 11 Single line analogue values colour scheme ............................................................................ 86
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Table 12 Background colour scheme ..................................................................................................... 91
Table 13 Text and title colour scheme ................................................................................................... 91
Table 14 Status colour scheme .............................................................................................................. 91
Table 15 Alarms colour scheme ............................................................................................................. 92
Table 16 Digital tables colour scheme ................................................................................................... 92
Table 17 Analogue tables colour scheme .............................................................................................. 93
Table 18 Standby power summary colour scheme ................................................................................ 93
Table 19 Arrow links colour scheme ...................................................................................................... 94
Table 20 Action button links colour scheme ........................................................................................... 94
Table 21 Load shedding stages colour scheme ..................................................................................... 94
Table 22 Communication equipment colour scheme ............................................................................. 95
Table 23 Single line colour scheme (includes busbars) ......................................................................... 96
Table 24 Single line annotation colour scheme ..................................................................................... 97
Table 25 User access levels .................................................................................................................. 98
Table 26 Indoor equipment service conditions ..................................................................................... 103
Table 27 Outdoor equipment service conditions .................................................................................. 103
Table 28 PLC allowed architecture ...................................................................................................... 107
Figure index
Figure 1 EMCS pages general arrangement ......................................................................................... 44
Figure 2 [Network summary] page arrangement .................................................................................... 45
Figure 3 Alarms quantities and alarm banner – Example ...................................................................... 45
Figure 4 [Standby power summary] page arrangement ......................................................................... 46
Figure 5 [Airport Coordination Centre] page arrangement ..................................................................... 47
Figure 6 [Graphics Legend] page arrangement ..................................................................................... 48
Figure 7 [Overview] page arrangement .................................................................................................. 51
Figure 8 [Main substations] page arrangement (MAT) .......................................................................... 52
Figure 9 [Main substations] page arrangement (TSB) ........................................................................... 53
Figure 10 [HV Feeders/Rings] pages arrangement ............................................................................... 54
Figure 11 [Substation] page arrangement .............................................................................................. 56
Figure 12 [LV Assets] page arrangement .............................................................................................. 57
Figure 13 [Ancillary Equipment] page arrangement ............................................................................... 58
Figure 14 [Load shedding system] page arrangement .......................................................................... 60
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Figure 15 [Trigeneration] page arrangement ......................................................................................... 61
Figure 16 [Solar plant] page arrangement ............................................................................................. 62
Figure 17 [Batteries storage] page arrangement ................................................................................... 63
Figure 18 [Communication rooms] page arrangement .......................................................................... 65
Figure 19 [Communication equipment] page arrangement .................................................................... 66
Figure 20 [DC chargers] page arrangement .......................................................................................... 67
Figure 21 [UPS] page arrangement ....................................................................................................... 68
Figure 22 [Utility performance] page arrangement ................................................................................. 71
Figure 23 [Network performance] page arrangement ............................................................................ 72
Figure 24 [Energy consumption] page arrangement .............................................................................. 73
Figure 25 [Tenants demand] page arrangement .................................................................................... 74
Figure 26 [Main substation demand] page arrangement ....................................................................... 75
Figure 27 [Asset demand] page arrangement ........................................................................................ 75
Figure 28 Equipment popup – Customisable arrangement ................................................................... 77
Figure 29 [Home] page arrangement – Portable HMI ............................................................................ 79
Figure 30 [Menu] page arrangement – Portable HMI............................................................................. 80
Figure 31 [RMU] page arrangement – Portable HMI ............................................................................. 81
Figure 32 [SUB] page arrangement – Portable HMI .............................................................................. 82
Figure 33 Geographic overview – Graphic symbol ................................................................................ 83
Figure 34 Power distribution [Overview] – Graphic symbols ................................................................. 83
Figure 35 Tables – Digital arrangement ................................................................................................. 84
Figure 36 Tables – Analogue arrangement ............................................................................................ 84
Figure 37 Navigation links – Arrow symbols .......................................................................................... 84
Figure 38 Navigation links – Action button symbols............................................................................... 85
Figure 39 Quicklinks – Graphic symbols ................................................................................................ 85
Figure 40 Single line analogue display .................................................................................................. 86
Figure 41 Locked out image ................................................................................................................... 86
Figure 42 HV switch Figure 43 HV voltage metering Figure 44 HV disconnector .............................. 88
Figure 45 HV circuit breaker Figure 46 HV circuit breaker Figure 47 HV busbar
sectionaliser 88
Figure 48 HV cable incomer Figure 49 HV busbar earthing Figure 50 Neutral earthing
resistor 88
Figure 51 HV fuse-switch Figure 52 Power transformer Figure 53 Capacitor bank .......................... 89
Figure 54 Generator Figure 55 LV circuit breaker Figure 56 LV switch .............................................. 89
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Figure 57 DC charger Figure 58 UPS (AC) Figure 59 Solar generation ............................................. 89
Figure 60 Power converter Figure 61 Active filter ............................................................................... 90
Figure 62 Page title ................................................................................................................................ 91
Figure 63 Digital tables animation .......................................................................................................... 93
Figure 64 Analogue tables animation ..................................................................................................... 93
Figure 65 Load shedding stage display ................................................................................................. 94
Figure 66 Communication equipment amination .................................................................................... 95
Figure 67 Switching device animation .................................................................................................... 96
Figure 68 Single line animation overlay ................................................................................................. 97
Figure 69 EMCS distributed architecture (Schneider).......................................................................... 101
Figure 70 Typical FOBOT cabinet arrangement .................................................................................. 105
Figure 71 Dual DC supply – Schematic 1 ............................................................................................ 106
Figure 72 Dual DC supply – Schematic 2 ............................................................................................ 106
Figure 73 Typical RTU panels arrangement (panel & rack) ................................................................. 108
Figure 74 Indoor substation EMCS architecture .................................................................................. 110
Figure 75 Remote kiosk substations EMCS architecture ..................................................................... 111
Figure 76 Kiosk substation EMCS architecture .................................................................................... 112
Figure 77 Kiosk RMU EMCS arrangement .......................................................................................... 113
Figure 78 Large infrastructure EMCS arrangement ............................................................................. 114
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1. Scope
The scope of this standard specifies the requirements for the Electrical monitoring and control
system (EMCS) system and associated equipment at Melbourne Airport.
The standard shall be used by the Consultant and Contractor in charge of the design (concept,
schematic or detailed) to produce the specification and drawings.
1.1 Mandatory and non-mandatory requirements
The following language key describes the requirements of imperative statements within this
Standard:
Shall: describes mandatory requirements;
Should: describes non-mandatory best practice recommendations; and
May: describes possible options that are not mandatory or best practice.
1.2 Limits of standard
Consultants and Contractors using this standard shall demonstrate compliance through:
Adopting appropriate standards and providing explicit reasons for their selection; or
Providing an explicit, evidence based, business case supporting compliance with this
standard.
The general statement “in accordance with Melbourne Airport Standards”, shall not be deemed
acceptable without further detail.
1.3 Deviation from the standard
Where the requirements of this standard are not able to be met, a request for deviation shall be
made and state the areas where the design cannot not comply.
As a minimum, deviations submission shall include commentary on:
The reason for deviation from this standard;
How the deviation complies with all other mandatory standards or regulations; and
Any impacts on safety, reliability, ongoing cost, operability and maintenance.
Deviations from any part of this standard shall be submitted to the Melbourne Airport for
approval before they are implemented or incorporated into a design. Approval of a deviation
from this Standard is not guaranteed. Approval of a deviation shall not constitute approval of the
same approach in the future.
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2. Reference documents
This standard’s requirements are mandatory conditions for EMCS related systems and
equipment, and apply to all associated works at Melbourne Airport.
Unless specifically noted to the contrary, Acts, Regulations and Codes refer to those issued in
Victoria and Nationally.
2.1 Codes, legislation and rules
Essential Services Commission – Electricity Distribution Code
Essential Services Commission – Electricity System Code
Essential Services Commission – Electricity Customer Metering Code
Victorian Electricity Distributors – Service and Installation Rules
2.2 Australian standards
AS 2067 Substations and high voltage installations exceeding 1 kV a.c.
AS 3000 Electrical Installations
AS 61439 Low voltage switchgear and control gear assemblies (series)
AS/ACIF S009 Installation requirements for customer cabling
2.3 APAM standards
The works shall be in accordance with all APAM engineering standards and in particular:
MAS-ELC-001 Low Voltage Systems
MAS-ELC-002 High Voltage Systems
MAS-ELC-003 LV Switchboards Specification
MAS-ELC-004 High Voltage Safety and Operational Procedures
MAS-GEN-004 Maintainability
MAS-GEN-005 Computer Aided Design
MAS-GEN-006 Asset Identification
MAS-GEN-007 Geographical Information System
MAS-ICT-001 Communications Room Design Specification
MAS-ICT-004 Communications Rooms & Spaces Standard
MAS-ICT-005 Radio Communications Installation Standards
MAS-ICT-006 Structured Cabling Standard
MAS-MCH-001 Mechanical Services Design Brief
MAS-MCH-007 Automatic Controls and Building Management System
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2.4 Selection and interpretation of standards
All electrical work shall be carried out in compliance with appropriate legislation and standards
and APAM requirements. The order of precedence shall be as follows:
Codes, legislation and rules
Australian Standards
APAM standards
Victorian standards, national standards, international standards and national legislation shall
take precedence over this standard where they present a higher level of service or protection.
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3. Definitions and abbreviations
3.1 Definitions
AC distribution is the local distribution boards involved in the power supply of ancillary
equipment within the plant, process or substation.
As-built drawings are the drawings produced (normally) by the Contractor at completion of the
project.
Batteries storage are generation plants connected to the HV embedded network. They
normally include batteries banks, power electronics converters, step up transformers, HV
switchgear and control system.
COMTRADE stands for COMmon format for TRAnsient Data Exchange defined by IEC 60255-
24, and defines a common format for power quality event (disturbance) data in order to simplify
retrieval, analysis and exchange of disturbance data between multiple sources and vendors.
Consultant (or Designer) is the person producing the design (concept, schematic or detailed)
of the EMCS works to be delivered.
Contractor is the person who performs the works under contract (normally construction/delivery
stage).
Designer see Consultant.
Design stage refers to the concept design (gate 2), schematic design (gate 3) or the detailed
design (Gate 4) which are usual Melbourne Airport design framework.
Driver is the software that is required to control/operate the hardware equipment.
Embedded network is the HV/LV electrical network of Melbourne Airport downstream the Utility
connection point.
EMCS system is a general term to refer to the equipment (hardware, driver and software)
involved in the system architecture and arrangement which perform the EMCS functionalities. It
does not concerns all ICT infrastructure.
Generation plant is a high level output plant connected to the embedded network running in a
prime or backup mode. It includes diesel, gas, cogeneration, Trigeneration, solar and batteries
storage plants.
HMI are user interfaces (workstations) that connects the operator to the system. Portable HMI
refers to Apple iPad®. Local HMI are usually touch screens installed within a substation.
ICT refers to Melbourne Airport information technology infrastructure (e.g. communications
rooms, structured cabling, radio communications) and its business unit.
Indoor substations are HV/LV substations located within a building. Typical configuration
includes HV switchgear, power transformers, LV MSB, DC chargers, AC DB and ancillary
equipment.
Kiosk RMU are factory built HV switchgear delivered fully assembled and ready to connect in
an outdoor envelop.
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Kiosk substation are factory built substations delivered fully assembled and ready to connect.
Typical configuration includes HV switchgear, power transformer, LV MSB and EMCS
equipment (including DC charger).
LV MSB are low voltage switchboards of large size connected to the secondary of transformers
or for large current capacity distribution (e.g. generator).
Main substations are larger HV infrastructure than the typical indoor substations or kiosk
substations. For examples SUB 99 (MAT), SUB 1 (TSB1), SUB 100 (TSB2) or SUB 200 (TSB3).
Network architecture is all of the equipment involved in the transmission of data (Ethernet,
Serial, Radio) within the EMCS system. It does not include the ICT network.
Operations and Maintenance manual is the manual produced by the Contractor at project
completion provided to APAM.
Onboard alarms are alarms generated by the field devices as opposed to PC based alarms
(EMCS Servers).
PMC is the project manager consultant (also called external project manager) assisting APAM
to deliver projects.
Power electronic converters are large electronic inverters or rectifier used for example in solar
plants, batteries storage plants, active filters or large size centralised UPS.
PowerSCADA Expert is the EMCS software used at Melbourne Airport.
PowerSCADA Anywhere is an add-on that lets user to access Runtime inside a browser. It is
analogous to Web Client but has improved features in a sense that the user can access the
Runtime in any browser, even on a smart phone or a tablet.
Project specific are projects which are not Melbourne Airport typical installations (e.g. large
generation plants, waste to energy plants, transmission substations, etc.) where the equipment
installation, type and architecture differ from the usual projects.
Software is the program that is required to operate large equipment such as laptops, servers,
HMI, etc.
Solar plant are generation plants connected to the HV embedded network. They normally
include solar array, combiner boxes, inverters, step up transformers, HV switchgear and control
system.
Substations refers to indoor substations inc. standalone RMU, kiosk substations or kiosk RMU.
Switching device are electrical switchgears with individual components operating open and
close mechanisms.
Utility is the company connecting Melbourne Airport to the distribution electrical network.
Works under contract are the works the Contractor is contracted to deliver.
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3.2 Abbreviations
(E)/(NE) – Essential / Non-essential
AC – Alternative current
AC DB – AC distribution board
ACB – Air circuit breaker
ACC – Airport Coordination Centre
APAM – Australia Pacific Airports Melbourne
AS – Australian standard
BCA – Building code of Australia
BMS – Building management system
CAPEX – Capital expenditure
CB – Circuit breaker
DB – Distribution board
DC – Direct current
EC – Engineering Consultant
ELV – Extra low voltage (<50 V)
EMCS – Electrical monitoring and control system
EPR – Earth potential rise
FPD – Fault passage detector
FRL – Fire rating level
GIS – Geographic information system
GPR – Ground penetrating radar
HMI – Human Machine Interface
HV – High voltage (>1,000 V)
ICT – Information communication & technology
IED – Intelligent electronic device
IGBT – Insulated-gate bipolar transistor
IFC – Issue for construction
INCITS – InterNational Committee for Information Technology Standards
IP – Ingress protection
ITI – Information Technology Industry Council
ITP – Inspection and test plan
kV – Kilovolt
LV – Low voltage (50 … 1,000 V)
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MCB – Miniature circuit breaker
MEN – Multiple earth neutral
mn - Minute
MCCB – Moulded case circuit breaker
MPPT – Maximum power point tracking
MSB – Main switchboard
MSSB – Mechanical switchboard
NCC – National construction code series
NER – Neutral earthing resistor
OH&S – Occupational health and safety
OPEX – Operational expenditure
PAT – Provisional Acceptance Test
PCC – Power plant controller
PILC – Paper Insulated lead covered
PLC – Programmable logic controller
PMC – Project Management Consultant
PoA – Point of access
POC – Point of connection
PQ – Power quality
PTS – Procurement technical sheet
RTU – Remote terminal unit
SLD – Single line diagram
SOW – Scope of work
SIR –Service & installation rules
SUB – Substation
TSB – Terminal services buildings
TX – Transformer
VT – Voltage transformer
w/o – without
XLPE – Cross linked polyethylene
WUC – Works under contract
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4. EMCS Standard
4.1 Purpose
The purpose of this standard is to provide Consultants, Designers and Contractors general
technical specifications and requirements for the design and delivery of EMCS infrastructure at
Melbourne Airport.
The EMCS system objectives are:
Reduce maintenance cost
Aid in Masterplanning
Manage assets
Critical systems monitoring
Enhance safety
Monitor for compliance
Reduce energy consumption
Reduce OPEX
4.2 Document structure
The document is organised as follows:
Reference documents – list some documents the Consultant, Designer and Contractor
shall comply with
Definitions and abbreviations – relevant to the understanding of the standard
Functionalities – defines the functionalities implemented into the EMCS system
Tags – defines the tag’s structure, classification, naming conventions and typical lists
HMI – defines general and specific requirement to develop the use pages
Architecture – defines the system server architecture, typical network connections and
equipment specifications
Documentation – determines the required documentation to be produced at design
stage and delivery stage
O&M – lists additional requirements for APAM to operate and maintain the system
4.3 Modifications when interfacing
Any project impacting the existing EMCS configuration or interfacing with existing equipment
connected to the EMCS system shall:
[1] Analyse the existing EMCS configuration and the functionalities performed by the
interfaced equipment.
[2] Understand the modifications required to the existing EMCS configuration to maintain the
integrity of the functionalities.
[3] Specify, perform and test the required modifications to keep the EMCS system
functionalities in good order.
4.4 Project specific
The EMCS Standard list the required functionalities and design principles and is written for
typical APAM projects (e.g. indoor substations, kiosk substations, etc.).
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Non-standard projects may request to use new type of equipment or non-standard system
architecture and may deviate from this standard but the Designer shall:
Apply the intent and principles listed in this standard as much as possible
Propose and submit design adaptations/deviations to APAM for review and obtain
approval during design stage
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5. Functionalities
5.1 Monitoring
5.1.1 Status, alarms and analogues
Purpose
To provide the operator with the relevant and accurate information to operate and maintain the
embedded network, the EMCS shall connect and retrieve the status, alarms and analogues of a
wide variety of equipment, systems and sub-systems to inform and alert on the condition of the
network and perform analysis.
The monitoring of status, alarms and analogues shall focus on:
Equipment health
Operating status
Fault conditions
Key operating values
Application
All embedded network equipment including (but not limited to):
Batteries storage plants
Capacitor banks
Communication rooms
DC chargers and UPS
Generators (engine, generator and auxiliary systems)
HV cables (feeders & rings)
HV switchgears
Load shedding system
Low voltage main switchboards and distribution boards
Meters (revenue, energy and PQ)
Neutral earthing resistors
PLC and network equipment
Power electronic converters
Power transformers
Solar plants
Ancillary equipment
Minimum monitoring requirements for typical device types are outlined §6.8. Project specific
may monitor additional equipment.
Display
All status and alarms shall be displayed in the dedicated pages, alarm log and event log and
animate the graphic symbols.
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5.1.2 Enumeration
Purpose
The purpose is to verify the accuracy of the information provided to the EMCS for position status
as errors may occur due wiring disconnections.
Application
HV/LV switching position status (when both [Open] and [Closed] position are monitored)
Principle
The status of all switching devices shall be assessed by the EMCS system using internal
enumeration to determine whether the Status is indeterminate or in conflict.
Table 1 Enumeration philosophy
Bit x | Bit y Status Switching device position Position
discrepancy
0 | 0 Indeterminate Switching device is neither open nor closed Yes
0 | 1 Open Switching device is open No
1 | 0 Closed Switching device is closed No
1 | 1 Error Switching device is reporting both open and
closed position
Yes
5.1.3 Network equipment
Description
The EMCS system uses various communication equipment to retrieve data and execute critical
commands. The EMCS system integrity relies on the availability of the equipment to perform
the required functions and communicate with the system.
The purpose is to verify the watchdogs (timer and physical) of all communication equipment
involved within the monitoring and control of the electrical system.
Application
Distributed IO
Gateway converters
Human Machine Interfaces
Meters (revenue, energy, PQ)
Network switches and routers
Programmable logic controllers
Power electronic converters
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Protection relays (HV)
Protection relays (LV MSB)
Satellite synchronised clock
Other network equipment involved in the EMCS network architecture
Principle
The status of all network equipment shall be reported to the EMCS system using:
[1] Internal watchdog timers (or Heartbeat) managed at the EMCS server level.
[2] Monitoring the available watchdog (relay output) the equipment (e.g. protection relays,
controllers, network switches and routers, HMI, PLC, etc.).
5.1.4 Maintenance triggers
Purpose
The purpose of maintenance triggers is to monitor the value of factors affecting the reliability
of the equipment and the life expectancy of the equipment.
Application
Equipment listed in §5.1.1
Principle
Maintenance triggers (and wearing contributors) shall be status or values possible to monitor
(OnBoard).
The Designers shall determine and include maintenance triggers in accordance with the
manufacturer’s information.
The standard Tag list within this Standard contains a number of common maintenance triggers,
but is by no means exhaustive.
Alarm priority
High priority: alarm for items requiring immediate maintenance/attention
Low priority: alarm for items requiring maintenance/attention at later stage
Alarm thresholds
Thresholds shall be preconfigured in the EMCS system to generate alarms when measured
values exceed the allowable limits. They shall be configured in accordance in accordance with
the equipment ratings.
5.1.5 External factors
Purpose
The purpose is to measure the value of the external factors affecting the reliability of the
equipment and the life expectancy of the equipment.
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Application
Indoor installations
Kiosk substations
Principle
A temperature sensor shall be installed at within the location to be monitored. The Designer
shall determine the exact position of the sensor.
The determination of additional external factors affecting the equipment is project specific and
the Designer shall identify and include in the project Tag list (if any).
Alarm thresholds
Thresholds shall be preconfigured in the EMCS system to generate alarms when measured
values exceed the allowable limits.
5.1.6 Revenue metering
Purpose
The purpose is to track energy delivered to APAM’s customers, and to monitor operating
values of the Airport Embedded Network at all metering points. Additional Power Quality
metering requirements are outlined in the section below.
Application
Grouped metering
Individual metered tenants
Generation plants (Solar, Batteries storage)
Pillar metering
Power transformer incomers (LV)
Refer to Appendix for typical meter diagram.
Principle
The intent is to monitor all revenue meters across Melbourne Airport to measure key supplied
electrical values.
Measured values
Ph-Ph and Ph-GND voltages (V or kV)
Phases and neutral* currents (A)
Active, reactive and apparent power (kW, kVAR, kVA)
Active and reactive energy (kWh, kVARh)
Load power factor (0.00)
Current and voltage unbalanced (%)**
Voltage THD (%)**
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 14 ENGINEERING STANDARD
OCTOBER-19 EMCS
Current THD (%)**
* LV connections ** 3Ph connections
Alarm thresholds
Voltage, harmonics, unbalanced and power factor alarm thresholds shall be configured in the
EMCS system to generate alarms when measured values exceed the allowable limits in
accordance with the Electricity Distribution Code.
Tenant overload alarm threshold shall be configured at 100% of the contracted value with
APAM.
5.1.7 Energy metering
Purpose
The purpose of energy metering is to monitor power and energy transmitted and consumed
throughout the Airport Embedded Network.
Application
Business units (grouped)
Generation plants (backup, cogeneration, Trigeneration)
HV feeders/rings distribution
Utility points of connection
Refer to Appendix for typical meter diagram.
Principle
The intent is to use the standard equipment used across Melbourne Airport to measure those
key electrical values (HV protection relays and power meters). Where they are not existing or
not applicable, other equipment shall be used to perform the required measurement such as
specify a higher performance HV protection relay, using the low voltage protection relays
and connect to the EMCS system or specify power metering units compatible with the EMCS
system.
Measured values
Phases and neutral currents (A)
Active, reactive and apparent power (kW, kVAR, kVA)
Active and reactive energy (kWh, kVARh)
Power factor (0.00)
Alarm thresholds
No alarms are requested to be configured.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 15 ENGINEERING STANDARD
OCTOBER-19 EMCS
5.1.8 Power quality metering
Purpose
The purpose is to verify compliance of the Utility provider with its contractual obligations, to
verify the compliance of the embedded network performance at multiple locations.
Application
Utility points of connection
TSB incoming feeders from MAT SUB 99 (e.g. Feeder A, Feeder B, Feeder I)
Generation plants connection point to the embedded network (single, multiple)
High level harmonics generators (Tenants to be advised by APAM on a project basis)
Principle
The intent is to use the standard equipment used across Melbourne Airport to measure those
key electrical values (protection relays and meters). Where they are not existing or not
applicable, other equipment shall be used to perform the required measurement such as
specify a higher performance HV protection relay, using the low voltage protection relays
and connect to the EMCS system or specify PQ metering units compatible with the EMCS
system.
Measured values
Ph-Ph and Ph-Neutral* voltages (V or kV)
Phases and neutral* currents (A)
Voltage THD (%) and individual harmonics magnitude (Odd and Even up to order 35**)
Current THD (%) and individual harmonics magnitude (Odd up to order 35**)
Current and voltage unbalanced (%)
Load power factor (0.00)
Voltage sag/swell*** (INCITS (CBEMA) Type 2 and Type 3 disturbances)
Voltage interruption***
Voltage transient*** (ITI (CBEMA) Type 1 disturbances)
* LV applications ** Reduced to 31st to suit Micrologic *** HV applications
Refer to Appendix for typical meter diagram.
Alarm thresholds
Voltage, harmonics, unbalanced and power factor alarm thresholds shall be configured in the
EMCS system to generate alarms when measured values exceed the allowable limits in
accordance with the Electricity Distribution Code.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 16 ENGINEERING STANDARD
OCTOBER-19 EMCS
5.1.9 Load shedding system
Purpose
The purpose is to provide the operator information to determine the current status of the load
shedding systems.
Application
Each TSB load shedding system
Principle
The EMCS system shall monitor the status and alarms of each load shedding scheme via
communication with the Master PLC of each system.
Status and alarms
Shedding stage status
Master PLC and HMI alarms
Slave PLC and HMI alarms
5.1.10 Asset demand
Purpose
The purpose is to provide the operator information to maximise the use of the infrastructure
without compromising the equipment and determine if the asset can accommodate new loads.
An additional purpose is aiding in masterplanning to provide detailed information on the real-
time and historic utilisation and performance of the Airport Embedded Network. This will assist
operators and planners with adequately scoping future projects, identify efficiency
improvements to existing infrastructure, and better identify future CAPEX requirements.
Application
Generators
HV switchgears (focusing on circuit breakers i.e. excluding rings switches)
HV cables (main distribution feeders/rings i.e. excluding transformers cables)
Power transformers
LV MSB (connected to power transformers)
Principle
Using the available Tags, the EMCS system shall calculate and display the generation and
loading demand factors.
EMCS calculated values
Generators: demand (%), reserve capacity (kVA)
HV feeder: loading (%), reserve capacity (A)
HV circuit breaker: loading (%), reserve capacity (A)
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[FINAL] VERSION 17 ENGINEERING STANDARD
OCTOBER-19 EMCS
Power transformers: loading (%), reserve capacity (kVA)
LV MSB combined [Essential/Non-Essential]: demand (%) and reserve capacity (kVA)
Alarms thresholds
Alarm thresholds shall be preconfigured in the EMCS system to generate high demand
percentage alarms when measured values exceed 80 % (low priority) and 95 % (high priority) of
the design capacity.
5.1.11 HV fault levels
Purpose
The purpose is to provide the operator the prospective high voltage fault level across the
network that is dependent of connected embedded generation plants and utilities and alert if
preconfigured thresholds are exceeded.
Application
All plant and connections contributing to the high voltage network fault level:
Generator plants
Solar plants
Batteries storage plants
Utility transformers
Principle
All fault contribution from the different plants and utility connections must be recorded within the
EMCS system. At all times, the system shall monitor the connection of the contributing items to
calculate the prospective high voltage fault level.
EMCS calculated values
HV Fault level onto APAM network (kA)
Alarms thresholds
Alarm thresholds shall be preconfigured in the EMCS system to generate alarms when
calculated values exceed the allowable limit provided by APAM.
Display
The network fault level shall be displayed in the Power Generation [Overview] page the alarm in
the alarm log.
5.1.12 HV fault finding
Purpose
The purpose is to assist the operator in finding the location of a high voltage earth fault
throughout the Melbourne Airport network to understand the origin of the fault and provide
information to isolate the faulty portion of the network.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 18 ENGINEERING STANDARD
OCTOBER-19 EMCS
Application
High voltage ring reticulations
High voltage radial feeder reticulations
Principle
All substations (indoor and kiosk type) shall be fitted with fault passage detectors onto every
incoming and outgoing device. The intent is to report the fault detected by these relays by
connecting to a local RTU.
As the earth fault alarm is generated by the upstream protection device, this information is
considered as a Status.
Display
The earth fault graphic symbol shall be displayed on the single line pages, next to the high
voltage switching device symbol.
5.1.13 Communication rooms
Purpose
The purpose is to verify the correct status of the LV supplies to the communication rooms which
belong to APAM ICT and alert the operator of any alarm.
Application
CCR – Core communications room
CDP-R – Communication distribution point (room)
CDP-C – Communication distribution point (cabinet)
DP – Distribution point
Principle
The communication rooms receive one or two low voltage supplies from the Essential and Non-
essential network. The intent is to use voltage-frequency relays on every incoming power supply
and verify the position of the local ATS.
5.1.14 Locked out tag
Purpose
The purpose is to provide a larger visually display to advise the operator that the HV equipment
is locked using the key interlock system.
Applications
HV equipment (main switching device) with key interlocked earthing switch
Generators with key switch
Power electronic converters with key switch
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[FINAL] VERSION 19 ENGINEERING STANDARD
OCTOBER-19 EMCS
Principle
The EMCS system shall monitor the position of the earthing switch or the key switch and display
the lockout image adjacent to the equipment symbol in the single lines.
Display
The locked out tag graphic symbol is to be displayed on the single line pages, next to the
equipment symbol.
5.1.15 Airport Coordination Centre
Purpose
The purpose is to monitor the status and alarms of the key systems of the embedded network to
provide ACC with a summary the of network availability.
Application
Utility
SUB 99 Bus 1, 2 and 3
SUB 1 Essential bus
SUB 1 Generators
SUB 100 Essential bus
SUB 100 Generators
SUB 200 Essential bus
SUB 200 Generators
Principle
The status and alarms of the above equipment will be summarised and displayed in a dedicated
user page which will be reproduced like for like at the Airport Coordination Centre.
5.1.16 Interface with Maximo®
[Left blank intentionally]
5.1.17 Interface with GIS
[Left blank intentionally]
5.2 Remote control
5.2.1 Generation plants
Purpose
The purpose is to make provision for a future remote control of the generation plants connected
to the embedded network by the EMCS operator or the MicroGrid software.
Application
Generator plants
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[FINAL] VERSION 20 ENGINEERING STANDARD
OCTOBER-19 EMCS
Solar plants (>10 kVA 1Ph, >30 kVA 3Ph)
Batteries storage plants
Principle
Generation plants shall be able to be remotely controlled (overall plant) from the EMCS system
including:
[Automatic] [Manual] [Off] [MicroGrid] mode selection
[Active power] [Maximum output] mode selection
Configuration of set points
Modes
[Automatic] mode – The plant shall not respond to operators command apart from set
points configuration
[Off] mode – The plant shall not respond to operators command apart from set points
configuration
[Manual] mode – The plant shall respond to operators command and set points
configuration
[MicroGrid] mode (future) – The plant shall ignore the operators’ request and respond to
the MicroGrid software (future). The Tag list in this standard details the points used by
MicroGrid SE to control the plants.
All above mentioned modes shall be able to be selected through the EMCS system. The final
plant behaviour for each mode shall be confirmed by the plant designer. Any Mode may be
deleted if not relevant.
Set points configuration
The operator or MicroGrid software (future) shall be able to remotely modify the plants’ set
points.
Accessibility
Workstations
5.2.2 HV switching devices
Purpose
The purpose is to allow the operator to remotely open or close the switching devices using a
portable HMI (iPad®) to mitigate arc flash risks.
Application
As indoor substation will be fitted with local HMI, this requirement only apply to kiosk RMU,
kiosk substations and kiosk transformers:
HV switching devices
Transformer circuit breaker (LV MSB, incomer, typically ACB)
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[FINAL] VERSION 21 ENGINEERING STANDARD
OCTOBER-19 EMCS
Principle
Dedicated user pages shall be developed to suit the portable HMI resolution (§7.1) and
specified page arrangements (§7.2.16). Using the PowerSCADA Anywhere module, they shall
be accessible to the operator using their usual web browser.
[Open] and [Close] commands symbols shall be made unavailable upon switching device not
available to operate including (but not limited to):
Earth switch closed
Protection relay trip
HV fuse melting
Selector switch in [Local]
Low level SF6
Motor MCB trip
Protection relay fault
Accessibility
Portable HMI
5.2.3 System configuration
Relay counter reset
Purpose
The purpose is the remotely reset the equipment embedded counters if used to provide max.,
min., avg., etc. values to the EMCS system.
Application
Project specific (e.g. protection relays, meters, generators, etc.)
Principle
A reset button shall be made available from the Equipment Popup for the operator to remotely
reset all the embedded counters.
Accessibility
Workstations
Fault passage detector reset
Purpose
The purpose is to avoid the operators to go to each substation to reset the fault passage
detectors after a fault has been detected.
Application
All fault passage detectors on HV switching devices (usually switches or function I)
Principle
A reset button will be configured in the [HV Feeders/Rings] pages for the operator to remotely
reset all the fault passage detector units of the same HV Feeder/Ring at once.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 22 ENGINEERING STANDARD
OCTOBER-19 EMCS
Accessibility
Workstations
Webpages
Purpose
The purpose is to remotely modify or query the configuration of an equipment connected from
the EMCS workstations.
Application
All equipment with webserver and remote interrogation capabilities (e.g. gateway
converter, Ethernet switch, meter, protection relay, PLC, distributed IO, etc.)
Principle
The operator shall access to the equipment web page by double-click over the equipment
symbol in the [Communication equipment] page.
Accessibility
Workstations
5.3 Benchmarking
5.3.1 Utility performance
Purpose
The purpose is to monitor the performance and quality of the electrical network at the point of
connections to provide Melbourne Airport with summary figures to track compliance of the Utility
with their supply contract.
Application
Utility points of connection
Principle
Using available tags (e.g. protection relays, PQ meters), the EMCS shall report on the criteria
listed in the Electrical Distribution Code and the contract between Melbourne Airport and the
Utility including:
Frequency, voltage, power factor, current and voltage unbalance and harmonics alarms
Reliability of supply (interruptions and off supply)
Disconnection (network, embedded generating units)
Alarms thresholds
Frequency alarm thresholds shall be configured in the EMCS system to generate alarms when
measured values exceed the allowable limits in accordance with the AEMO targets.
Voltage and harmonics alarm thresholds shall be configured in the EMCS system to generate
alarms when measured values exceed the allowable limits in accordance with the Electricity
Distribution Code.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 23 ENGINEERING STANDARD
OCTOBER-19 EMCS
Values for which the alarm threshold is exceeded shall be highlighted in the page as per the
nominated animation.
5.3.2 Network performance
Purpose
The purpose is to monitor the performance and quality of the electrical network at point of
connections to provide Melbourne Airport with summary figures to track compliance with their
obligations to the Utility and Tenants.
Application
HV outgoing feeder/rings at SUB 99 (MAT) and SUB 1, SUB 100 and SUB 200 (TSB)
TSB incoming feeders from MAT SUB 99 (e.g. Feeder A, Feeder B, Feeder I)
Generation plants connection point to the embedded network (single, multiple)
Principle
Using available tags (e.g. protection relays, PQ meters), the EMCS shall report on the criteria
listed in the Electrical Distribution Code including:
Active power (kW)
Reactive power and (calculated) allowable demand for reactive power (kVAR)
Apparent power (kVA)
Power factor and (calculated) allowable power factor (0.00)
Current THD (%)
Voltage THD (%)
Current and voltage unbalance (%)
Alarm thresholds
Voltage, harmonics, unbalanced and power factor alarm thresholds shall be configured in the
EMCS system to generate alarms when measured values exceed the allowable limits in
accordance with the Electricity Distribution Code.
5.3.3 Energy consumption
Purpose
The purpose is to monitor the energy consumption of specific process or buildings for
Melbourne Airport to setup energy targets and track the performance.
Application
In accordance with MAS-ELC-001 (but not limited to):
Grouped metering: baggage handling system, lifts, light and power, APAM offices, check-
in counters, plant rooms, car parks, apron lighting
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 24 ENGINEERING STANDARD
OCTOBER-19 EMCS
Individual metering: communication rooms, passenger boarding bridge, ground power
units (400 Hz), pre-conditioning air, airfield lighting equipment room, power transformer’s
secondary (LV), boilers, chillers and water pumping station.
Principle
The energy consumption of all meters belonging the each specified entity will be summarised to
advise Melbourne Airport of current consumption.
Alarms thresholds
No alarms are requested to be configured on analogue values.
5.3.4 Tenants demand
Purpose
The purpose is to provide Melbourne Airport with site specific values regarding tenant’s
electrical demand. They are intended to use at design stage in future project and to verify
adequacy between connection requests and real applications needs to avoid overdesign.
Application
All tenants including the following categories (but not limited to):
Airline lounges
Airline offices
Catering services
Cargo and freight services
Food and beverages
Group handling services
Retails
Warehouses
Additional categories shall be qualified by the Designer with the assistance of Melbourne Airport
for non-typical tenants in order to monitor and organise into the EMCS system.
Principle
The revenue meters, connected to the EMCS system, will provide the information regarding
power and the Designer will also query the tenant’s project team to obtain the area value (m²)
and connection type.
The EMCS system will report:
Instantaneous active power demand (kW)
Peak apparent power demand (kVA)
Connection type (single or three phases)
EMCS calculated values
Peak apparent power per square meter (kVA/m²)
Alarms thresholds
An alarm shall be configured when the load demand (current phase) exceeds the agreed value
in the connection agreement.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 25 ENGINEERING STANDARD
OCTOBER-19 EMCS
5.3.5 Assets demand factor
Purpose
The purpose to summarise the demand factor is to provide Melbourne Airport with summary
page(s) to easily identify the assets with spare capacity or potentially overdesigned to provide
feedback to electrical consultants.
Application
Monitored equipment in §5.1.10
Principle
The EMCS system shall display and summarise the calculated values and enable them to be
organised per asset type.
Alarms thresholds
Values for which the alarm threshold is exceeded shall be highlighted in the page as per the
nominated animation.
5.4 Dashboard and trending
[Left blank intentionally]
5.5 Reports
Purpose
The purpose is to create customised or pre-configured reports either manually or automatically
for the embedded network manager to obtain a snapshot of the network and distribute.
Application
Status, alarms and analogues
Internal values
Pre-configured reports
Using the monitored status, alarms and analogues, pre-configured reports shall be established
and issued as per the table below.
Table 2 Pre-configured reports list
Title Description Trigger
Utility performance Report on all monitored criteria
compliance including quantity of
alarms, duration of outages or non-
compliance, time/date and alarms
summary
Monthly
Upon high priority alarm
Manually
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[FINAL] VERSION 26 ENGINEERING STANDARD
OCTOBER-19 EMCS
Title Description Trigger
Network
performance
Report on all monitored criteria
compliance including quantity of
alarms, duration of outages or non-
compliance, time/date and alarms
summary
Monthly
Manually
Users performance Report on substation, tenants or load
not compliant with the network
performance criteria (location,
equipment ID#, non-compliance
description, duration, date/time)
Monthly
Manually
Energy
consumption
Report on all monitored consumption
per category, peak period
consumptions (hours, day, week),
consumption ratio and load profile
(min., max., avg.)
Monthly
Manually
Asset demand
factors
Report on all monitored consumption
per asset, category, peak period
consumptions (hours, day, week)
Monthly
Manually
Backup generation Report on all generation per asset, fuel
consumption, usage summary (running
hours), production dates (time, date
duration, load profile [min., max., avg.])
and alarms summary
Monthly
Manually
Solar generation Report on all production performance
per plant vs. contract, power/energy
curve profiles, daily production profile
[min., max., avg.] per hours) and
alarms summary
Monthly
Manually
Batteries storage Report on all generation/recharge
profile per plant (time, date duration,
load profile [min., max., avg.]), usage
summary (running hours) and alarms
summary
Monthly
Manually
Principle
The EMCS system shall generate reports from the logged historical database such as:
Single-device usage reports
Multi-device usage reports
Tabular reports
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[FINAL] VERSION 27 ENGINEERING STANDARD
OCTOBER-19 EMCS
Trend reports
The logging interval shall be configurable.
All the reports shall be accessible via a Web browser. Username and password shall be created
for different users to have different access levels to the reports.
The reports shall be generated in multiple formats (e.g. Adobe PDF, Microsoft Excel, etc.). They
shall be generated either manually or scheduled to run automatically and exported to a network
hard drive.
Saving reports
Users shall be able to save their own reports with their names and in specific folders for future
use.
Report subscriptions
Users shall be able to configure a report subscription for each report, allowing it to be either
emailed to a particular user, group of users, or saved in the network.
5.6 Event notification
Purpose
The purpose is to advise specified group of users when a new active alarm is reported to the
EMCS system depending on the type of alarm.
Application
All active alarms
Principle
In accordance with the table below, each alarm shall be assigned to a User Group and all users
of the group shall be alerted upon new active alarm by short message service and electronic
mail.
Table 3 Alarms user group
Alarm_Type Description User_Group
HVSUB Alarms related to high voltage equipment installed within indoor/outdoor substations
See Appendix
HVAUX Alarms related to high voltage equipment other than above
LVSUB Alarms related to low voltage equipment installed within indoor/outdoor substations under APAM HV responsibility
LVDIST Alarms related to low voltage distribution equipment not under the responsibility of APAM HV
GEPLANT Alarms related to generation process not APAM HV responsibility
BLDGSERV Alarms related to building services
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[FINAL] VERSION 28 ENGINEERING STANDARD
OCTOBER-19 EMCS
5.7 Power events analysis
Purpose
The purpose is to perform post-event analysis (HV) using the electrical waveforms recorded by
specific equipment to determine the extent of the disturbance and potentially the sequence of
events.
Applications
Utility points of connection
HV incoming feeders from MAT SUB 99 at TSB (e.g. Feeder A, Feeder B, Feeder I)
HV outgoing feeder/rings at SUB 99 (MAT) and SUB 1, SUB 100 and SUB 200 (TSB)
Generation plants connection point to the embedded network
Principle
Equipment capable to record and transmit waveforms shall be specified and triggering events
shall be configured. The stored waveforms shall begin before the triggering event and continue
afterwards and shall be made up of:
Values sampled from the different signals
The event time and date
Characteristics of the recorded channels
The waveforms shall be organized within the devices into files. These files are periodically
checked for and downloaded as they appear on the device and made available for viewing into
the EMCS system.
The amount of time this takes depends on the number of serial devices on a chain. To avoid this
to take as long as an hour, the Designer should consider devices connected over Ethernet
rather than RS 485.
When downloaded, the files shall be converted into a COMTRADE format on the EMCS Server
and then stored in a hierarchical fashion.
The configuration file shall be a COMTRADE configuration file, and the DAT file shall be the
COMTRADE data file. Within the configuration file shall be a timestamp that reflects the device
time start time of the waveform. This time shall not be adjusted to the EMCS Server time zone
or daylight saving, but it shall be stored as per the device configuration.
Table 4 Waveforms minimum characteristics
Items Characteristics
Analog signals recorded 4 current channels (Ia, Ib, Ic, Iresidual)
3 voltage channels (Van, Vbn, Vcn)
Logical states recorded Circuit breaker position
Circuit breaker trip command
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[FINAL] VERSION 29 ENGINEERING STANDARD
OCTOBER-19 EMCS
Items Characteristics
Total duration up to 10 seconds
Period before triggering event 0 to 50 cycles
File format COMTRADE as per IEC 60255-24
Waveform recording default configuration
Devices shall be configure to automatically store waveform captures upon the following events:
Voltage sag / swell / transient / interruption
Current sag / swell
Protection trip
5.8 Security
5.8.1 Login
Security shall be setup by having a user/password system. Each user is assigned privileges to
allow access to areas of control as follow:
A login button shall be available to log-in or log-off
A popup shall be uploaded to enter the operator’s credentials
The currently logged-in user’s name shall be displayed on the login button and at the top
of each screen
User already logged-in shall re-enter its credentials to perform switching operations
Users shall be assigned to security groups with privileges outlined in §7.6
Logons will expire after a set period of inactivity i.e. no mouse or keyboard input (for
logon expiry times, see §7.6)
5.8.2 User access
User access shall be configures as per §7.6 which align with active directory implemented by
APAM IT. All new users shall be configured by APAM IT.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 30 ENGINEERING STANDARD
OCTOBER-19 EMCS
6. Tags
6.1 Tag list
The Designer shall create the project tag list arranged for each type of equipment to provide the
following tags details (but not limited to):
Tag Name
Tag Description
Group
Data Type (Status, Alarm, Analogue)
Real time filters (Category Type, Utility Type, Statistical Type, Quantity)
Alarm filters (Categorisation, Alarm Type, Alarm Group, Subcategorisation, Alarm Priority)
Eng. Units
Scale (min. max.)
Tag comment
6.2 Tag categories
To apply further filters, the tags shall be subcategorised as per the following:
Airside
Business park
Distribution
Generation
Terminal
6.3 Naming convention
6.3.1 Standard prefix
AIRSIDE
ANCILLARY
BANK
BATTERIES
BUS
BUSINESS
CAPBANK
CB
COMMSROOM
DB
DC
DCBOX
ES
FEEDER
GE
HV
ISO
LOADSHED
LV
MAT_SUB
MES
METERING
MSB
NER
OTHER
PLANT
PLC
PWRCONV
PWRINV
RING
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[FINAL] VERSION 31 ENGINEERING STANDARD
OCTOBER-19 EMCS
RMU
SCADARTU
SOLAR
SUB
SW
SYSTEM
TERMINAL
TSB
TSB_SUB
TX
UPS
VT
Notes:
Essential/Non-essential services: “E” or “NE”
MES, VT to be used when current transformer or voltage transformer are a dedicated
switchgear
Fuse/switch to use SW
ISO (isolator or disconnector) is unlikely to be used at Melbourne Airport
6.3.2 Naming and numbering
The naming/numbering shall be as per APAM’s convention and be reported on the projects’
deliverables and in particular the single line diagrams.
6.3.3 Tag Name
Tag Name = [Location] _ [Equipment Type] _ [ ID#] \ [Tag Component]
Use
Tag Name are unique throughout the EMCS database and used to point to a single Event. They
are not to be displayed in the user pages.
Philosophy
Location and Equipment Type shall use the standard prefix
Tag Name shall be limited to 40 characters
The underscore symbol ( _ ) shall be used as a separator
The backslash symbol ( \ ) shall be used as a separator for the Tag Component
The first character shall either be an alpha character
Tag Name shall not incorporate load/use description as HV cables are subject to be
relocated (e.g. SUB99_CB_FRD_F).
Refer to provided examples in Appendix.
[Location]
Location shall denote the origin of the signal. The naming/numbering shall be as per APAM’s
convention and identical in the Project’s deliverables.
[Equipment type] & [ID#]
Equipment Type shall inform about the type of equipment using the standard prefix (e.g. CB_,
SW_). The ID# is the naming/numbering provided by APAM (e.g.: TXE42, NE231).
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 32 ENGINEERING STANDARD
OCTOBER-19 EMCS
[Tag component]
Philosophy
Tag components shall follow the logical node naming convention used by the IEC 61850
standard.
IEC 61850 tags are flexible, which allows them to specify how functions are implemented in
devices. The IEC 61850 tag was developed for medium-voltage and high-voltage applications,
such as monitoring, control, and substation automation.
Some of our devices include data and functionality that are not yet covered by IEC 61850. For
these devices, the general IEC 61850 formatting was followed when creating tags.
Tags shall be no longer than 29 characters. Use a backslash as a separator between tag parts.
Tags are constructed in this manner:
Location\Equipment Name\Logical_Node\Data Object\Data Attribute(s)
The following table lists the main categories for the common logical nodes. After the table, the
most commonly used category (Mxxx: metering and measurement) is described.
Table 5 IEC 61850 – Main logical nodes
Category Name Description
Axxx automatic control; e.g., ATCC (tap changer), AVCO (voltage control)
Cxxx supervisory control; e.g., CILO (interlocking), CSWI (switch control)
Gxxx generic functions; e.g., GGIO (generic I/O)
Ixxx interfacing/archiving; e.g., IARC (archive), IHMI (HMI)
Lxxx system logical nodes; e.g., LLNO (common), LPHD (physical device)
Mxxx metering and measurement; e.g., MMXU (measurement), MMTR
(metering), MSTA (metering statistics), MSQI (sequence and
imbalance), MHAI (harmonics and interharmonics)
Pxxx protection; e.g., PDIF (differential), PIOC (instantaneous overcurrent
or rate of rise.), PDIS (distance), PTOV (time-overvoltage)
Rxxx protection related; e.g., RREC (auto reclosing), RDRE (disturbance)
Sxxx sensors, monitoring; e.g., SARC (arcs), SPDC (partial discharge)
Txxx instrument transformer; e.g., TCTR (current), TVTR (voltage)
Xxxx switchgear; e.g., XCBR (circuit breaker), XCSW (switch)
Zxxx other equipment; e.g., ZCAP (cap control), ZMOT (motor)
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Example
The following example illustrates the IEC 61850 tag for current A:
Location\Equipment Name\MMXU1\A\PhsA
where:
M = the category
MXU = measurement of currents, voltages, power, and impedances
1 = the instance (there could be multiple MMXU tags)
A = the data object, current
PhsA = the attribute that further defines the data object, phase A
6.3.4 Equipment Name
Equipment Name = Designator1_ID#. […] .Designator5_ID#
Use
Equipment Name (or Equip) is used to generate the tree view hierarchy (accessible in the alarm
log and event log) for the operator to sort/filter tags per equipment. They are not to be displayed
in the user pages.
To make the tree view hierarchy consistent, the Equipment Name shall be organised as per
Table 6 and may be modified to Project specific (subject to APAM’s approval).
Philosophy
Equipment Name shall use the standard prefix be limited to 40 characters
Equipment Name shall use a maximum of five designators
The first designators shall inform about the location/sub-locations of the equipment
The last designator shall inform about the equipment
The period symbol ( . ) shall be used in between hierarchy levels
The underscore symbol ( _ ) shall be used to inform about the ID# (if any)
The first character cannot be a number or period
Refer to provided examples in Appendix.
Table 6 Equipment Name –hierarchy levels
Level 1 Level 2 Level 3 Level 4 Level 5
MAT_SUB_99 .HV .BUS_ID#
TSB_SUB_ID# .CAPBANK_ID#
.CB_ID#
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Level 1 Level 2 Level 3 Level 4 Level 5
.GE_ID#
.ISO_ID#
.MES_ID#
.NER_ID#
.SW_ID#
.TX_ID#
.VT_ID#
.LV .MSB_ID# .CB_ID#
.ISO_ID#
.SW_ID#
.OTHER
.DB_ID#
.ANCILLARY .DC_ID#
.OTHER
.PLC_ID#
.SCADARTU_ID#
FEEDER_ID# .SUB_ID# .HV .BUS_ID#
RING_ID# .RMU_# .CB_ID#
.ISO_ID#
.MES_ID#
.NER_ID#
.SW_ID#
.TX_ID#
.VT_ID#
.LV .MSB_ID# .CB_ID#
.ISO_ID#
.SW_ID#
.OTHER
.DB_ID#
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Level 1 Level 2 Level 3 Level 4 Level 5
.ANCILLARY .DC_ID#
.SCADARTU_ID#
.OTHER
SOLAR .PLANT_ID# .SUB_ID# .HV .BUS_ID#
.RMU_ID# .CB_ID#
.ISO_ID#
.MES_ID#
.NER_ID#
.SW_ID#
.TX_ID#
.VT_ID#
.LV .PWRINV_ID#
.DCBOX_ID#
.OTHER
.ANCILLARY .PLC_ID#
.SCADARTU_ID#
.DC_ID#
.OTHER
BATTERIES .PLANT_ID# .SUB_ID# .HV .BUS_ID#
.CB_ID#
.ISO_ID#
.MES_ID#
.NER_ID#
.SW_ID#
.TX_ID#
.VT_ID#
.LV .PWRCONV_ID#
.BANK_ID#
.OTHER
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Level 1 Level 2 Level 3 Level 4 Level 5
.ANCILLARY .PLC_ID#
.SCADARTU_ID#
.DC_ID#
.OTHER
SYSTEM .COMMSROOM .ID#
SYSTEM .LOADSHED .TSB_ID#
.SUB_ID#
SYSTEM .METERING .SUB_ID# .ID#
SYSTEM .UPS .Location_ID# .ID#
Note:
Location can either be SUB_, AIRSIDE_, TERMINAL_ or BUSINESS_, etc.
PLC_ not suited for load shedding PLC
6.3.5 Tag Description
Tag Description = [Location] + [Sub-location] + [Equipment] (Use) + [Standard description]
Use
Tag Description is the text the operator will read upon appearance or disappearance of Events.
It is the text to be displayed in the alarm banners, alarm log and event log and shall be short,
clear and consistent across projects.
Philosophy
Tag Description shall use the standard prefix be limited to 96 characters
Tag Description shall use a maximum of two locations
The period symbol ( . ) shall be used essential / non-essential
The hash symbol ( # ) shall be used before the ID# (if any)
The underscore ( _ ), slash ( / ), backslash ( \ ) symbols shall not be used
Wording shall be in in accordance with Table 7
Location 1 shall inform about the overall location of the event.
Location 2 shall inform about a specific sub-location.
Equipment shall inform about the equipment, plant or system.
Use shall inform about the use of the equipment and apply to HV switching devices, LV
switching devices, meters and load shedding system.
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Standard description is a standard text strictly in accordance with the standard Tag list.
If a suitable location, sub-location, equipment, use or standard description is not available in the
standard, the Designer may submit to APAM for approval.
Refer to provided examples in Appendix.
Table 7 Tag description – Approved wording
Location #1 Location #2 Equipment
(or plant, or system)
Use
RMU # BUS # ACTIVE FILTER FDR #
SUB # BUS.E BATTERIES PLANT RING #
COMMUNICATION ROOM BUS.NE BUS VT CAPBANK #
AIRSIDE LV MSB # CAPBANK GE #
TERMINAL # LV MSB.E CB TX #
BUSINESS PARK LV MSB.NE CONVERTER LV FDR
LV DB # DC LV INCOMER
SDA # DC BOX LV TIE
SOLAR E/S MASTER
STORAGE PLANT F/S SLAVE
BUILDING # GE Tenant name
ROOM # GE PLANT
ISO
LOAD SHEDDING
METER
NER
RTU PANEL
S/W
SOLAR PLANT
TX
UPS
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6.4 Status, alarms and analogues
6.4.1 Definitions
The EMCS tags will be classified into three categories:
1. Status – are tags which do not report a warning or a fault of an equipment or a system.
Their report a specific state of the items considered as a normal condition (e.g. circuit
breaker open position, generator stopped, etc.). No action is normally required from the
operator.
2. Alarms – are tags which report an unusual/abnormal state or situation of an equipment or
system (e.g. temperature alarm, circuit breaker tri, loss of communication), they can be
PC-based or Onboard. An action from the operator (intervention) is likely to be required.
3. Analogues – are measurement of physical quantities (e.g. voltage, current, etc.) or the
value of internal EMCS calculation (e.g. ratio VA per m²), they can be PC-based or
Onboard.
4. Set points – are analogue values entered by the operator to modify the behaviour of a
plant/process.
5. Command – are remote control orders issued by the operator (see §5.2).
6.4.2 Configuration
Tags
All tags shall be individually configured including Tag Name, Display Description, Group, Data
Type, Eng. Units, Polling Priority, real time filters (Category Type, Utility Type, Statistical Type,
Quantity), alarm filters (Categorisation, Alarm Type, alarm Group, Subcategorisation, Alarm
Priority), etc. to suit.
Devices
Customised devices to suit the tags list shall be created. They may be created using the
PowerSCADA available device types but shall be edited to suit i.e. all unused tags deleted to
minimise network traffic.
6.4.3 Alarms priorities
The alarm tags shall be prioritised into two categories: high and low priorities.
High priorities
High priorities alarms include:
Operational impact
Services interruption
Tenant disconnection
OH&S risks
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Low priorities
Low priorities alarms include:
Abnormal services operation with no disruption of services
Abnormal services conditions with no disruption of services
Other alarms not categorised as High priority
Project specific
Alarm priorities shall be confirmed on a project basis by conducting Safety in Design and
HAZOP workshops (non-standard projects).
6.5 Internal
Internal are pre-entered values (e.g. equipment ratings) for the EMCS system to calculate
derived variables to display status and trigger alarms. They are project specific.
6.6 Commands and set points
Commands and set points are remote instructions sent by the EMCS system to devices or
plants to change their state or mode.
Commands are binary states while set points are analogue values. They may be written to the
corresponding PLC, RTU or field equipment.
All commands available through the EMCS system shall be documented in the project tag list.
Minimum required remote commands are outlined in §6.8.
Commands and set points shall be initiated by double-clicking on a device on the single line
diagram page, which shall bring up an equipment popup displaying the available remote
commands. Remote command buttons shall be greyed-out if the logged-in user does not have
an appropriate user level.
Accessibility
Remote [Open] / [Close] commands
– Outdoor assets (e.g. kiosk substation, kiosk RMU) – Remote PoA (iPad)
– Indoor assets – Local HMI (ref. APAM HV Standard, MAS-ELC-002)
Mode commands – Workstations
Set points – Workstations
6.7 Time
Synchronisation
The time stamp of all Events, Alarms and Analogue values shall be performed by the EMCS
servers. They shall synchronise their internal time clock using Melbourne Airport network time
server.
While the field devices of standard projects are not required to perform the above functions,
large / process projects may be designed to include local GPS clock synchronisation and time
stamp performed by the field equipment to report to local SCADA/HMI.
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Zone settings
To interact with devices located in different time zones, the EMCS system shall converts any
alarm/waveform timestamp as well as the actual time sent to the local time zone. The Windows
time zones database shall be used to take daylight saving time into account.
Display format
The time shall be displayed as per the following format:
dd/mm/yyyy hh:mm:ss [AM/PM]
dd – two-digit day of the month
mm – two-digit month
yyyy – four-digit year
hh – two-digit hour
mm – two-digit minute
ss – two-digit second
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6.8 Standard Tag list
The tag lists below are drafted for APAM’s preferred equipment (Schneider SM6, Schneider
RM6, Schneider KPX, Chase Power NER, etc.).
The tag lists are separated into two tables: Functionalities and typical equipment. Note that the
typical functionalities tag lists (such as revenue metering, maintenance triggers, asset demand
factors, etc.) are to be applied and included for each applicable individual item of equipment in
project tag lists.
If alternative equipment is used or if the project process if specific (i.e. not a typical substation),
then the Designer should propose an alternative tag list to suit the EMCS system intent
explained in this standard.
7. Human Machine Interface
7.1 Ergonomics
The development of the user pages shall be customised to the application and project with
consideration for improving pages aesthetic providing a clear information to the operator.
Abbreviations
The Designer shall limit the use of abbreviations in the single line pages to the approved below
list (excluding engineering units and descriptions).
Table 8 Allowed abbreviations
(E)
(NE)
AC
ACB
BANK
BOX
CB
CT
DB
DC
E/S
FDR
GE
HV
IP
ISO
LV
MB
MES
METER
MCB
MCCB
MSB
NER
PWR
Qxx
RING
RMU
RTU
SST
SUB
S/W
TX
UPS
VT
Alignment
The Designer shall arrangement the alignment of graphics, images and texts to be uniform
within the same page and consistent across the pages.
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AutoCAD import
The Contractor shall rework the AutoCAD sources to ameliorate the visibility into the EMCS
software.
Displayed information
The Designer shall limit the information displayed onto the pages to the strict minimum. It is not
requested to overload the pages with text or graphics as it might reduce its readability.
Images
The Designer shall resize the imported images used for specific equipment in order to be
consistent across the pages and the selected image used to represent identical equipment shall
be consistent across the pages (size, colour, representation).
Native resolutions
To provide clear graphics and minimise all visual distortions, the user pages shall be configured
using the native resolution of the following display screens.
Table 9 Screens native resolution
Display screen Screen size Screen resolution
Workstations 14 inches 1920 x 1080 px.
Portable HMI (iPad®) 9.7 inches 1536 x 2048 px.
Control room screen (B219) […] […]
Pages (arrangement)
The Designer shall seek APAM advice in regards to the general arrangement of the pages if the
EMCS Standard is not sufficient.
Pages (multiple)
Depending on the extent of the information to be displayed on the pages, the Designer or
Contractor may specify multiple page to display. In this case, quicklinks shall be configured to
ease navigation.
Pages (overload)
The pages shall not be overloaded with the content to avoid creating an additional page (e.g.
adding multiple ancillary equipment visualisation in between the single line representation).
Page (titles)
Every user page shall have a title which shall be displayed at the top (not shown in this
standard).
Quicklinks
Quicklinks shall be configured to facilitate the navigation across pages to minimise the use of
the Menu. They shall be clearly identified using the nominated symbol in this standard.
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The requirement also apply to access to additional equipment details (e.g. upload popup) but is
excluded when the equipment representation is an image.
Single line diagrams
The single line shall be designed and arranged to provide clear information regarding the
electrical distribution philosophy.
As they are not intended to translate the physical arrangement/segregation of the site
equipment therefore simplifications in regards to the busbar symbolisation are allowed.
Text font
To provide a better visual comfort:
The use of different type of font shall be minimised
The size of the font shall be consistent across the pages
The text alignment should match the adjacent objects/text
The use of bright and gradient colours should be avoided
Images & symbols
To provide a better visual comfort:
The use of images and symbols shall be in accordance with this standard
The size of the images and symbols shall be consistent across the pages
The images and symbols alignment should match the adjacent objects/text
7.2 User pages
7.2.1 Philosophy
The Designer shall develop user-friendly pages for the users to use the system’s functionalities
while considering:
Quality – by applying the ergonomics requirements and considering aesthetics
Consistency – by exanimating the existing and existing/previously developed pages
Improvement – in providing advice considering current Industry Practice and APAM’s
routines
Feedback – by liaison with APAM’s personal to obtain lessons learnt from other projects
7.2.2 General arrangement
The EMCS pages shall be developed as per the following general arrangement:
Page_Title – display a comprehensive user page title
Alarm_Banner – display the five (5) most recent active alarms
Runtime menu_Level 1 – display permanently the menu [Level 1]
Runtime menu_Level 2 to 4 – display the menus (drop down style) [Level 2], [Level 3]
and [Level 4]
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Back_Forward – are buttons to allow for back and forward navigation
User_Page – display the page called by the user
Login – allow the users to access the login/logout pages
Logos – display the EMCS system and Melbourne Airport logos (image format)
Figure 1 EMCS pages general arrangement
7.2.3 Home
[Network summary] page
The page shall be displayed upon login into the system and shall advise the user about
summary alarms and data for the following components:
Power distribution – For each main substation (MAT, TSB): quantity low priority alarms,
quantity high priority alarms, combined incoming load (kVA), combined outgoing load
(kVA)
Power generation – For each plant: quantity low priority alarms, quantity high priority
alarms, generation production (kVA), availability status
Airfield summary – Quantity low priority alarms, high priority alarms
Terminal summary – Quantity low priority alarms, quantity high priority alarms, alarm
banner (five (5) most recent active alarms)
Business Park summary – Quantity low priority alarms, quantity high priority alarms,
alarm banner (five (5) most recent active alarms)
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System supervision summary – Quantity alarms for , alarm banner (five (5) most recent
active alarms)
Navlinks shall be configured to navigate between the Home pages. Additional quicklinks shall
be provided within the alarm banners to access directly the relevant equipment page of the
alarm (e.g. single line, load shedding, etc.).
Figure 2 [Network summary] page arrangement
Figure 3 Alarms quantities and alarm banner – Example
Page configuration
Format Tables (Analogue + Figure 3)
Alarm banner Yes
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Menu access Yes
Navlinks Yes
Quicklinks Yes
Animations Yes
Commentaries No
[Standby power summary] page
The high voltage supply status of all essential substations shall be displayed in the [Standby
power summary] page. The intent is to summarise the HV supply source status (standby
generator or Utility) for all essential substations grouped as:
[Airfield Essential] listing all airfield essential substations
[Terminal Essential] listing all terminals essential substations
[Business Essential] listing all business park essential substations
Navlinks shall be configured to navigate between the Home pages and within the tables to
access directly to the [Substation] pages.
Figure 4 [Standby power summary] page arrangement
Page configuration
Format Tables (Digital)
Menu access Yes
Navlinks Yes
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Quicklinks No
Animations Yes
Commentaries No
[Airport Coordination Centre] page
The status and summary alarms of the main substations shall be displayed in the [Airport
Coordination Centre] page. The intent is for the user to access similar dashboard than provided
to ACC to avoid discrepancy. The status and alarms shall be displayed using the nominated
symbols in this standard.
Navlinks shall be configured to navigate between the Home pages. Quicklinks shall be
configured to provide direct access to the [Main substation] pages.
Figure 5 [Airport Coordination Centre] page arrangement
Page configuration
Format Tables (Digital)
Menu access Yes
Navlinks Yes
Quicklinks Yes
Animations Yes
Commentaries No
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[Graphics Legend] page
The graphic legend page shall provide a visual explanation of all of the symbols animations and
colour scheme. Multiple pages may be required to fit all the information.
Figure 6 [Graphics Legend] page arrangement
Page configuration
Format n/a
Menu access Yes
Navlinks No
Animations No
Commentaries No
7.2.4 Geographic overview
The geographic overview pages shall provide a visual location of the substations, kiosk RMUs
and generation plants with active alarms using symbol animations. As not all substations can be
displayed within one page, the [Overview] pages shall be split.
[Overview] pages
The [Overview] pages shall represent the Melbourne Airport map (background map). The
overall layout shall be split into three zones:
Airfield zone (green background) to access to the [Airfield] page
Terminals zone (pink background) to access the [Terminals] page
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Business park zone (purple) to access to the [Business Park] page
Under the page title, the EMCS shall display the following numbers:
Active alarms (total)
Unacknowledged active alarms (total)
Quicklinks the contour layout shall be configured to access the relevant zone page.
Page configuration
Format Background map
Menu access Yes
Navlinks No
Quicklinks Yes
Animations No
Commentaries No
[Airfield], [Terminals] and [Business Park] pages
Three pages representing the Melbourne Airport airside, terminal and business park areas
(background map) shall indicate the position of all substations and RMU. The symbols shall be
animated to visually alert the user of the presence of acknowledged and unacknowledged active
alarms.
Quicklinks shall be configured to access the relevant [Substation] page.
Page configuration
Page format Background map
Access via Menu Yes
Navlinks No
Quicklinks Yes
Animations Yes
Commentaries No
Note
The general Melbourne Airport background used for the pages shall be specifically redrawn and
reworked to provide clear information about the overall runways, taxiways, roads, terminals and
buildings.
7.2.5 Power distribution
All the of HV/LV equipment involved in the HV reticulation and LV reticulation (down to LV MSB)
shall be included in the single line representations using the nominated symbols in this
standard, including (but not limited to):
Capacitor banks
Distribution substations
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Generation plants (generators, solar, batteries storage)
HV feeders/rings
Main substations
Meters
Neutral earthing resistor
Power electronic converters
Power transformers
Standalone RMU
Utility points of connection
The pages arrangement will be following two principles:
Bubble diagram – This principles will be used to summarise the entire HV Melbourne
Airport reticulation within one page as the “bubble” representation occupies significantly
less space; and
Single Line – This principle will apply to all other pages using standard electrical symbols
to detail the configuration of the HV infrastructure and connections to adjacent
substations and equipment.
[Overview] page
The page shall represent all the Melbourne Airport HV reticulation using the nominated symbols
in this standard including:
Utility connections
Main substations
Distribution substations
Standalone RMU
Generation plants (generators, solar plants, batteries storage)
HV feeders/rings
The symbols shall be animated to visually alert the user of the presence of acknowledged and
unacknowledged active alarms.
Individual items part of a broader location (e.g. ancillary transformers, capacitor banks, NER,
generators’ step-up transformers) shall not be represented in this page. Their alarms shall be
grouped to the above mentioned symbols to minimise the visual impact.
Quicklinks shall be configured to access the relevant [Main substation] or [Substation] page.
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Figure 7 [Overview] page arrangement
Page configuration
Page format Bubbles
Access via Menu Yes
Quicklinks Yes
Animations Yes
Commentaries No
[Main substations] pages
Each main substations (SUB 99 at MAT and SUB 1, SUB 100 and SUB 200 at TSBs) shall have
a dedicated page representing the HV/LV reticulation using the nominated symbols in this
standard including:
Utility connections
HV switchgears
HV feeders/rings
Generators
Power transformers (including ancillary)
NER
Capacitor banks
Navlinks and quicklinks shall be configured to navigate either to the [Overview] page, the
adjacent [Main substation] or [HV Feeder/ring], the [Metering] and the [Communisation devices]
of the substation.
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Due to the expected amount of equipment related to the electrical network, a separate page (or
more) shall developed to visualise the all the ancillary equipment using the nominated symbols
in this standard including (but not limited to):
LV MSB
LV DB
Ancillary systems
External factors
The LV generators involved at TSBs shall also be displayed in those pages using the nominated
symbol in this standard. A quicklink shall be configured to access the [Power Generation] page
which will provide further details about the status of the generation unit but the symbol shall be
animated to provide high level indication (i.e. without accessing the dedicated page).
Figure 8 [Main substations] page arrangement (MAT)
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Figure 9 [Main substations] page arrangement (TSB)
Pages configuration
Page format Single line
Access via Menu Yes
Navlinks Yes
Quicklinks Yes
Animations Yes
Commentaries Yes
[HV Feeders/Rings] pages
Each HV feeder/ring shall be represented with all RMUs and substations within the same page.
The intent is for the user to visualise in a single page, the entire reticulation of each feeder/ring
to understand where the open points are located, where have the HV earth faults been detected
or what is the supply status of the actual configuration. Therefore only the following will be
displayed using the nominated symbols in this standard:
HV switchgear and switching devices
Power transformers w/o secondary details (i.e. no LV ACB/MCCB, etc.)
Navlinks and quicklinks shall be configured to navigate either to the [Main substation] page the
feeder/ring is connected to or to the [Substation].
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Figure 10 [HV Feeders/Rings] pages arrangement
Pages configuration
Page format Single line
Access via Menu Yes
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Quicklinks Yes
Animations Yes
Commentaries Yes
[Substations] pages
Each indoor/outdoor substation and RMU shall be represented in an individual page. The intent
is for the user to access further details without overloading the previous pages. The following
equipment contained within the substations shall be displayed using the nominated symbols in
this standard:
HV switchgears
Power transformers
LV MSB
LV DB
Ancillary systems
External factors
Navlinks shall be configured to navigate either to the [HV Feeder/ring], the [Metering] and the
[Communisation devices] of the substation.
For small size LV MSB, the LV reticulation may be displayed within the same page than the HV
assets as well as the ancillary equipment.
For larger LV MSB (e.g. indoor Terminals’ substations), the LV reticulation should be displayed
in a separate page than the HV assets and accessible with quicklinks. In most cases, sufficient
space should be available to also display in this [LV Assets] page the ancillary equipment
(bottom page).
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Figure 11 [Substation] page arrangement
Pages configuration
Page format Single line
Tables (Digital)
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Access via Menu Yes
Navlinks Yes
Quicklinks Yes
Animations Yes
Commentaries Yes
[LV MSB] page
Each large LV MSB shall be represented in an individual page. The intent is for the user to
access further details without overloading the previous pages. The following equipment
contained within the substations shall be displayed using the nominated symbols in this
standard:
All power circuit breaker (ACB, MCCB)
All power switches (ACB, MCCB)
Quicklinks shall be configured to navigate either to the [Substation], the [Metering] and the
[Communisation devices] of the substation.
In most cases, sufficient space should be available to also display in this page substation’s
ancillary equipment.
Figure 12 [LV Assets] page arrangement
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Pages configuration
Page format Single line
Tables (Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks Yes
Animations Yes
Commentaries Yes
[Ancillary Equipment] page
For installations with a large number of ancillary equipment to report to the EMCS system, a
dedicated [Ancillary Equipment] page shall be developed to visualise all items. The following
equipment contained within the substations shall be displayed using the nominated symbols in
this standard:
AC distribution boards
DC chargers and distribution
UPS
Ancillary systems
External factors
Figure 13 [Ancillary Equipment] page arrangement
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 59 ENGINEERING STANDARD
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Pages configuration
Page format Tables (Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries No
7.2.6 Power generation
[Overview] page
The page shall summarise the status and alarms of the load shedding system and generation
plants connected to the all the Melbourne Airport HV including:
Load shedding system – Master and slave TSB systems
Trigeneration – Gas generators and auxiliary systems
Generators – including auxiliary systems
Solar plants – including inverters and solar array
Batteries storage – including systems and sub-systems
[Load shedding system] page
The page shall summarise the status and alarms of each TSB load shedding system including:
Load shedding status
Master HMI/PLC status and alarms
Slave PLC status and alarms
The symbols shall be animated to visually alert the user of the presence of acknowledged and
unacknowledged active alarms.
For further details on the exact denomination of the active alarms, the operator will investigate
at the plant itself using the local load shedding system HMI.
Quicklinks shall be configured to navigate either to the [Overview] page or the [Main substation]
of [Substation] single line where the PLC/HMI are installed.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 60 ENGINEERING STANDARD
OCTOBER-19 EMCS
Figure 14 [Load shedding system] page arrangement
Pages configuration
Page format Comms
Access via Menu Yes
Navlinks No
Quicklinks Yes
Animations Yes
Commentaries No
[Trigeneration] page
The page shall summarise the status and alarms of the gas generators including auxiliary
systems:
Gas engine/generator
Fuel system
Cooling system
Generator ventilation
The symbols shall be animated to visually alert the user of the presence of acknowledged and
unacknowledged active alarms.
(UNCONTROLLED WHEN PRINTED)
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For further details on the exact denomination of the active alarms, the operator will investigate
at the plant itself using the local SCADA system.
Navlinks shall be configured to navigate either to the [Overview] page, the adjacent [Main
substation], the [Metering] and the [Communisation devices] of the plant.
Figure 15 [Trigeneration] page arrangement
Pages configuration
Page format Tables (Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries No
[Solar plants] page
The page shall summarise the status and alarms of the solar plant including auxiliary systems:
HV equipment
LV equipment
Power electronic converters
Solar array and combiner box
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Ancillary equipment
The symbols shall be animated to visually alert the user of the presence of acknowledged and
unacknowledged active alarms.
For further details on the exact denomination of the active alarms, the operator will investigate
at the plant itself using the local SCADA system.
Remote control functionalities shall also be accessible from the page.
Navlinks shall be configured to navigate either to the [Overview] page, the adjacent [Main
substation] or [Substation], the [Metering] and the [Communisation devices] of the plant.
Figure 16 [Solar plant] page arrangement
Pages configuration
Page format Single line
Tables (Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries Yes
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 63 ENGINEERING STANDARD
OCTOBER-19 EMCS
[Batteries storage] page
The page shall summarise the status and alarms of the batteries storage plant including
auxiliary systems:
HV equipment
LV equipment
Power electronic converters
Batteries banks
Ancillary equipment
The symbols shall be animated to visually alert the user of the presence of acknowledged and
unacknowledged active alarms.
For further details on the exact denomination of the active alarms, the operator will investigate
at the plant itself using the local SCADA system.
Remote control functionalities shall also be accessible from the page.
Navlinks shall be configured to navigate either to the [Overview] page, the adjacent [Main
substation] or [Substation], the [Metering] and the [Communisation devices] of the plant.
Figure 17 [Batteries storage] page arrangement
Pages configuration
Page format Single line
(UNCONTROLLED WHEN PRINTED)
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Tables (Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks Yes
Animations Yes
Commentaries Yes
7.2.7 System supervision
[Communication rooms] pages
All power supply status and alarms of Melbourne Airport communication rooms shall be
reported using the nominated symbols in this standard including:
Essential supply
Non-essential supply
Automatic transfer switch position
Due to the large quantity of communication rooms, multiple pages should be required to display
all and navlinks shall be configured to navigate between pages.
The communication rooms shall be grouped as per the following grouping arrangement:
Airside
Terminal 1
Terminal 2
Terminal 3
Business Park
Main substations
(UNCONTROLLED WHEN PRINTED)
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OCTOBER-19 EMCS
Figure 18 [Communication rooms] page arrangement
Pages configuration
Page format Tables (Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries No
[Communication equipment] pages
The status and alarm communication equipment of all locations (substation, generation plant,
RMU, etc.) or system (load shedding, DC charges) connected to the EMCS system shall be
reported using the nominated symbols in this standard including (but not limited to):
Gateway converters
Generator controllers
Inverters
LV devices
Network switch
PLC
Power electronic converters
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Protection relays
Radio equipment, etc.
Due to the various quantity of communication equipment between location and systems, one
page shall be develop with the intent to include all devices. For large plants, a maximum of two
pages should be allowed.
Navlinks shall be configured for direct access to the single line page of the substation they
belong to as well as navigate between [Communication equipment] pages of the same
feeder/ring (where applicable).
Figure 19 [Communication equipment] page arrangement
Pages configuration
Page format Comms
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries No
[DC charger] pages
The status and alarm of all DC chargers involved in the HV network shall be summarised using
the nominated symbols in this standard.
(UNCONTROLLED WHEN PRINTED)
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Due to the large quantity of DC chargers, multiple pages should be required to display all and
quicklinks shall be configured to navigate between pages.
Quicklinks shall also be configured to directly access to the substation page they are installed at
(e.g. [Main substation], [Substation], etc.) as well as navlinks to navigate between groups
arrangement.
The DC chargers shall be grouped as per the following grouping arrangement:
Airside
Terminals
Business Park
Main substations
Figure 20 [DC chargers] page arrangement
Pages configuration
Page format Tables (Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks Yes
Animations Yes
Commentaries No
(UNCONTROLLED WHEN PRINTED)
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OCTOBER-19 EMCS
[UPS] pages
The status and alarm of all main UPS at the airport shall be summarised using the nominated
symbols in this standard.
Due to the potential large quantity of UPS, multiple pages should be required to display all and
quicklinks shall be configured to navigate between pages.
Navlinks shall also be configured to navigate between groups arrangement. Quicklinks are not
required as they are no user pages to display.
The UPS shall be grouped as per the following grouping arrangement:
Airside
Terminals
Business Park
Main substations
Figure 21 [UPS] page arrangement
Pages configuration
Page format Tables (Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
(UNCONTROLLED WHEN PRINTED)
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Commentaries No
7.2.8 Event log
Description
The event log page shall display all status and alarms in chronological order, with newest at the
top by default. The event log page shall contain the following panels and columns:
Filter selection tree panel
Event log columns:
– Date
– Time
– Equipment Name
– Tag Description
– State
– Message – Description of the state change (e.g. Alarm raised or cleared).
Sorting
As per PowerSCADA built-in functionalities.
Filtering
As per PowerSCADA built-in functionalities.
7.2.9 Alarm log
Description
Three pages shall be provided:
Alarm log – shall display all active and unacknowledged alarms for all monitored items
Unacknowledged Alarms – shall display all active and inactive unacknowledged alarms
that have not yet been acknowledged by an operator
Disabled Alarms – shall display all alarms that have currently been set to disabled by an
operator
All pages shall have the same display format and functions as described herein, and display
alarms in chronological order, with newest at the top by default.
The pages shall contain the following panels and columns (left to right):
Filter selection tree
Alarm log columns:
– Date
– Time
– Equipment Name
– Tag description
– Priority
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– Subcategory
Sorting
As per PowerSCADA built-in functionalities.
Filtering
As per PowerSCADA built-in functionalities.
Alarm acknowledgement and disable
As per PowerSCADA built-in functionalities.
7.2.10 Alarm banner
Alarm banner are simple alarm log objects to display lesser alarms and information. They shall
include the date, the time and the tag description.
7.2.11 Security viewer
Description
The security viewer page shall display all user activity within the EMCS system. The page shall
contain a log all user actions including dates and times of all logons, and actions including the
acknowledgement of alarms in chronological order, with newest at the top by default. The
security viewer page shall contain the following panels and columns:
Filter selection tree panel
Security viewer columns:
– Date – date of the activity
– Time – timestamp of the activity
– Operator – user name of the associated operator
– Message – Description of the activity including the Tag Name, if applicable
– User Location – IP address of the device used by the user
The security viewer shall be sortable by each column by clicking on the column heading, which
shall alternately sort the list in increasing or decreasing numerical and alphabetical order for the
column clicked.
Filtering
The security viewer shall be able to be filtered by:
Date and/or time
Tag name
Message
Activity type (i.e. logon, alarm cleared, alarm disabled, etc.)
User name
Categorisation: area, type, group, etc.
(UNCONTROLLED WHEN PRINTED)
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7.2.12 Benchmarking
[Utility performance] page
Utility’s performance will be summarised in a single page providing details listed in §5.3.1 and
using the nominated symbols in this standard.
Navlinks shall be configured to navigate between the [Benchmarking] pages, the [Main
substation] and the [Communication equipment] page.
The measurements will be provided from multiple measurements devices installed at the main
substation (MAT) and shall be detailed individually in this page (i.e. the values shall not be
summarised between measurement devices).
Figure 22 [Utility performance] page arrangement
Pages configuration
Page format Tables (Analogue, Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries No
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 72 ENGINEERING STANDARD
OCTOBER-19 EMCS
[Network performance] page
Melbourne Airport network performance will be summarised in a single page providing details
listed in §5.3.2 and using the nominated symbols in this standard.
Navlinks shall be configured to navigate between the [Benchmarking] pages, the [Main
substation] and the [Communication equipment] page.
The measurements will be provided from multiple measurements devices installed at the main
substation (MAT) and shall be detailed individually in this page (i.e. the values shall not be
summarised between measurement devices).
Figure 23 [Network performance] page arrangement
Pages configuration
Page format Tables (Analogue, Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries No
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 73 ENGINEERING STANDARD
OCTOBER-19 EMCS
[Energy consumption] page
Melbourne Airport energy consumption will be summarised in a single page as per the metering
categories established in §5.3.3.
Navlinks shall be configured to navigate between the [Benchmarking] pages and the
[Communication equipment] page as well as quicklinks directly access the substation single line
where the individual meter is installed at (if applicable).
The measurements will be provided from multiple measurements devices installed throughout
the airport and shall be combined in this page accordingly.
Figure 24 [Energy consumption] page arrangement
Pages configuration
Page format Tables (Analogue)
Access via Menu Yes
Navlinks Yes
Quicklinks Yes
Animations No
Commentaries No
[Tenants demand] pages
Every Melbourne Airport tenant’s energy consumption will be summarised in a single page as
per the metering category established in §5.3.4.
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Navlinks shall be configured to navigate between the [Benchmarking] pages and the
[Communication equipment] page.
Figure 25 [Tenants demand] page arrangement
Pages configuration
Page format Tables (Analogue)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations No
Commentaries No
[HV assets demand] page
The HV asset’s usage will be provided as per requirements in §5.1.9 and organised in the page
as follow:
Main substations (SUB 99, SUB 1, SUB 100, SUB 200)
Substations, organised per groups (Airfield, Terminal and Business park)
Navlinks shall be configured to navigate between the [Benchmarking] pages, [Previous] and
[Next] pages of this benchmarking and the [Communication equipment] page.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 75 ENGINEERING STANDARD
OCTOBER-19 EMCS
Figure 26 [Main substation demand] page arrangement
Figure 27 [Asset demand] page arrangement
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 76 ENGINEERING STANDARD
OCTOBER-19 EMCS
Pages configuration
Page format Tables (Analogue, Digital)
Access via Menu Yes
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries No
7.2.13 Dashboards
[Left blank intentionally]
7.2.14 Equipment popup
Equipment popups shall be used to provide the operator further information regarding status,
alarms and analogues of the equipment without overloading the user page.
Application
HV equipment (switching devices, power transformers [dry type])
LV equipment (switching devices)
Meters (revenue, energy, power quality)
Generators
Power electronic converters
Principle
To access further information than provided by the visual information or alarm log, the user shall
access an equipment popup when clicking on its symbol.
The equipment popup shall be provide the following:
Most recent alarms are listed
Details about the device (currents, voltages, powers, resets, others.)
Acknowledge or disable the alarm
Status and alarms messages display (based on the tags defined for the equipment)
Real-time values
Set points configuration (for alarms)
View real-time trends
View waveforms
Customisation
The equipment popups shall be customised to the device they are related to i.e. unavailable
tags, functions, alarms, etc. shall be hidden to be non-accessible.
[1] Equipment ID# [5] Equipment remote control
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[2] Most six recent equipment alarms [6] Alarms set point configuration
[3] Main equipment status/alarms [7] Equipment historical trends
[4] Main equipment real-time analogues [8] Equipment data menu
Figure 28 Equipment popup – Customisable arrangement
7.2.15 Commentaries
The purpose is to access key equipment information for the operator to immediately assess
the spare reserve and to obtain the switching device reference to minimise (equipment) site
identification.
Application
Ancillary equipment
Batteries banks
Communication equipment
Generators
HV feeders/rings
HV equipment (inc. NER, capacitor bank, etc.)
HV switchgears
LV MSB and main switching device
Power electronic converters (inc. inverter, rectifier)
Power transformers
Solar array and combiner boxes
Principle
The following commentaries shall be included as fixed text format in the user pages.
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OCTOBER-19 EMCS
Table 10 Commentaries list
Equipment Commentaries items
#1 #2 #3
Ancillary equipment ID# Rating
Batteries bank ID# Rating (MWh)
Communication
equipment
ID# Manufacturer ref. Network address
Generator ID# Capacity (kVA)
HV Feeder/Ring ID# Rating (A) Essential
Non-essential
HV equipment ID# Rating
HV switchgear ID# Busbar rating (A)
HV switching device ID# Rating (A) Load description
LV MSB ID# Busbar rating (A) Essential
Non-essential
LV switching device ID# Rating (A) Load description
Meter ID#
Power electronic
converter
ID# Rating (kVA)
Power transformer ID# Rating (kVA) Essential
Non-essential
Solar array ID# Rating (kW, MW)
Solar combiner box ID#
Display
Commentaries shall be included in the pages (single line format) adjacent to the equipment
symbol.
7.2.16 Portable HMI
Portable HMI shall have dedicated pages developed on PowerSCADA to access key
information and perform remote control.
[Home] page
The [Home] page shall provide three button links to access all substation and RMU of the
airfield, terminal and business park subcategories.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 79 ENGINEERING STANDARD
OCTOBER-19 EMCS
Figure 29 [Home] page arrangement – Portable HMI
Page configuration
Page format Button
Access via Menu n/a
Navlinks Yes
Quicklinks No
Animations No
Commentaries No
[Menu] page
The [Menu] page shall display all kiosk RMU and kiosk substations, sorted by alphabetical order
and type (RMU, SUB). Navlinks shall be configured to access the relevant [RMU] or [SUB]
page.
A Navlink shall be configured to access the [Menu] page.
Note: all assets shall be listed. When not connected to the EMCS, the Navlink shall be greyed.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 80 ENGINEERING STANDARD
OCTOBER-19 EMCS
Figure 30 [Menu] page arrangement – Portable HMI
Page configuration
Page format Table
Access via Menu n/a
Navigation link Yes
Quicklinks No
Animations No
Commentaries No
[RMU] page
The [RMU] page shall display the RMU single line with limited details i.e. limited to animated
switchgear symbols with selected commentaries (HV Feeder/Ring ID#, HV switchgear ID#, HV
switching device ID#, LV switching device ID#).
Analogues and equipment popup are not required to be accessible from the portable HMI.
The [Remote] status of the HV switchgear and the animated [Open] [Close] buttons for remote
control (see §5.2.2) shall be configured below the single line.
A Navlink shall be configured to access the [Menu] page.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 81 ENGINEERING STANDARD
OCTOBER-19 EMCS
Figure 31 [RMU] page arrangement – Portable HMI
Page configuration
Page format Single line
Access via Menu n/a
Navigation link Yes
Quicklinks No
Animations Yes
Commentaries No
[SUB] page
The [SUB] page shall display the SUB single line with limited details i.e. limited to animated
switchgear symbols with selected commentaries (HV Feeder/Ring ID#, HV switchgear ID#, HV
switching device ID#, LV switching device ID#).
Analogues and equipment popup are not required to be accessible from the portable HMI.
The [Remote] status of the HV switchgear and LV incoming circuit breaker and the animated
[Open] [Close] buttons for remote control (see §5.2.2) shall be configured below the single line.
A Navlink shall be configured to access the [Menu] page.
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 82 ENGINEERING STANDARD
OCTOBER-19 EMCS
Figure 32 [SUB] page arrangement – Portable HMI
Page configuration
Page format Single line
Access via Menu n/a
Navlinks Yes
Quicklinks No
Animations Yes
Commentaries No
7.3 Navigation
7.3.1 Runtime menu
The principal navigation tool shall be the Runtime menu. They shall be configured up to four (4)
levels (see Appendix) and displayed on all pages.
7.3.2 Navigation links
Navigation links (Navlinks) are visual symbols to invite the user to click and access either other
pages, normally linked the current page. They shall be identified as per §7.4 and animated as
per 7.5.
(UNCONTROLLED WHEN PRINTED)
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OCTOBER-19 EMCS
7.3.3 Quicklinks
Quicklinks are zones within the page where the user can click to access either other pages or
upload a popup. They shall be identified as per §7.4 and are not animated.
7.3.4 Back and forward navigation
Back and forward buttons shall be configured to move back and forward across the user pages
where the operator have been.
7.4 Graphic symbols
7.4.1 Geographic overview
The symbols used in the [Geographic overview] pages shall be selected between the five
examples below (substation, RMU, generation plant, batteries storage or solar plant), report the
asset ID# and animated (colour scheme) as per §7.5.
Figure 33 Geographic overview – Graphic symbol
7.4.2 Bubble diagram
The symbols used in the power distribution [Overview] page shall be consistent with the current
Melbourne Airport HV reticulation diagram and selected between the three examples below
(Main substations, RMU and substations (indoor or kiosk)), report the asset ID# and animated
(colour scheme) as per §7.5.
The individual auxiliary power transformers, neutral earthing resistor or capacitor banks
Figure 34 Power distribution [Overview] – Graphic symbols
Note: the RMU symbol shall be larger than the SUB symbol.
7.4.3 Tables
Tables pages shall use the following arrangement philosophies to display the information:
1. Digital arrangement
2. Analogue arrangement
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Grouping arrangement
All status and alarms are grouped per equipment or system and listed from top to bottom. Visual
symbols are animated as per §7.5.
Figure 35 Tables – Digital arrangement
Analogue arrangement
All status and alarms equipment or system and listed in a table format. The text of the alarms
are animated as per §7.5 when they are active.
Figure 36 Tables – Analogue arrangement
7.4.4 Navigation links
Navigation links shall use the following symbols to provide access to user pages.
Arrows
Within the single line, the navigation links shall be arrows animated as per §7.5.
Figure 37 Navigation links – Arrow symbols
(UNCONTROLLED WHEN PRINTED)
[FINAL] VERSION 85 ENGINEERING STANDARD
OCTOBER-19 EMCS
Buttons
Direct access to user pages and remote commands shall use an action button symbol animated
as per §7.5.
Figure 38 Navigation links – Action button symbols
7.4.5 Quicklinks
Quicklinks shall be identified as below for all single line and communication equipment symbols.
Figure 39 Quicklinks – Graphic symbols
7.4.6 Communication equipment
Imported images shall be used as nominated symbols to represent (but not limiting to):
Distributed IO
Generator controllers
Meters
Network devices
PLC
Power electronic converters
Protection relays, etc
Equipment of similar make/reference shall be using identical images across the pages.
The resolution of the images shall be adapted to the (small) size of the symbol as well as the
native resolution of the display screen.
7.4.7 Single line analogue
Application
HV switching devices
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Generators
Power electronic converters
LV switching devices (power transformer incoming circuit breaker)
Revenue meters
Principle
The single line pages shall display the following real-time analogue values (without decimals):
Apparent power – when the device have access to voltage measurements, the value to
display shall be the apparent power.
Current – when the device have no access to voltage measurements, the value to
display shall be the maximum current between all phases.
Voltage – voltage measurements performed by all voltage transformers (HV equipment)
shall be displayed.
Table 11 Single line analogue values colour scheme
Description Colour RGB
Analogue value text Black R0 G0 B0
Figure 40 Single line analogue display
7.4.8 Locked out tag
Equipment locked out for control or operation shall be identified with a Locked Out image
adjacent to the equipment symbol.
Figure 41 Locked out image
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7.4.9 Single line
The purpose of the electrical symbols is present a detailed view of each device on the single
line diagrams that clearly shows the device states and energisation.
Common equipment is covered by the symbols below. Note however that variances may exist
which will require custom symbols to be created that follow the same format.
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Figure 42 HV switch Figure 43 HV voltage metering Figure 44 HV disconnector
Figure 45 HV circuit breaker Figure 46 HV circuit breaker Figure 47 HV busbar sectionaliser
Figure 48 HV cable incomer Figure 49 HV busbar earthing Figure 50 Neutral earthing resistor
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Figure 51 HV fuse-switch Figure 52 Power transformer Figure 53 Capacitor bank
Fixed / Disconnectable / Withdrawable Fixed / Disconnectable / Withdrawable
Figure 54 Generator Figure 55 LV circuit breaker Figure 56 LV switch
Figure 57 DC charger Figure 58 UPS (AC) Figure 59 Solar generation
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OCTOBER-19 EMCS
Figure 60 Power converter Figure 61 Active filter
Notes
Current transformers, voltage indicators and interlock mechanism are not to be shown
Voltage transformers (non-standard) must be shown and the standard symbol shall be modified accordingly
All symbols shown in the standard are shown in the [Open] position
(UNCONTROLLED WHEN PRINTED)
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OCTOBER-19 EMCS
7.5 Animations and colour scheme
7.5.1 User page background
The background colour shall be of a light grey to visualise the yellow colours as per below.
Table 12 Background colour scheme
Description Colour RGB
Background colour White R255 G255 B255
7.5.2 Text and title
General text used for titles, legend, commentaries, information, etc. shall be as per below.
Coloured text or background, flashing font, etc. shall be avoided.
Table 13 Text and title colour scheme
Description Font Colour RGB
Text (general) Solid Black R0 G0 B0
Title background - Grey R217 G217 B217
Figure 62 Page title
7.5.3 Status log
Statuses shall not be animated and shall displayed as per below in the event log.
Table 14 Status colour scheme
Description Font Colour RGB
Status Solid Black R0 G0 B0
7.5.4 Alarm log
The purpose is to provide the operator a visual indication of the alarm’s status without the need
to access specific details in the alarm log.
(UNCONTROLLED WHEN PRINTED)
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Principle
A colour scheme type animation shall be configured with all alarms in the alarm logs. The colour
scheme shall be different but analogous for high priority and low priority alarms per below.
Table 15 Alarms colour scheme
Description Font Colour RGB
Unacknowledged active alarms Bold Red R255 G0 B0
Acknowledged active alarms Solid Red R255 G0 B0
Unacknowledged inactive alarms Bold Black R0 G0 B0
Acknowledged inactive alarms Solid Black R0 G0 B0
Unacknowledged disabled alarms Bold Grey R128 G128 B128
Acknowledged disabled alarms Solid Grey R128 G128 B128
7.5.5 Tables
Digital arrangement
The status and alarms in a grouping arrangement shall be animated as follow:
Status or Alarm description: fixed text format
True status or active alarm: square symbol displayed
False status or inactive alarm: no square symbol displayed
Table 16 Digital tables colour scheme
Description Font Colour RGB
High priority active alarm Solid Red R255 G0 B0
Low priority active alarm Solid Yellow R255 G255 B0
True status Solid Green R0 G153 B0
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Figure 63 Digital tables animation
Analogue arrangement
The alarms in a listing arrangement shall be animated as follow:
Active alarm: the alarm text properties shall be updated but the measurement display will
remain unchanged. The colour will modified according to the alarm’s priority.
Inactive alarm: the alarm text properties shall be of the standard display.
Table 17 Analogue tables colour scheme
Description Font Colour RGB
High priority active alarms Bold Red R255 G0 B0
Low priority active alarms Bold Yellow R255 G255 B0
Inactive alarms Solid Black R0 G0 B0
Figure 64 Analogue tables animation
Standby power summary arrangement
The status of the standby power summary shall be display a coloured square symbol adjacent
to the relevant supply text.
Table 18 Standby power summary colour scheme
Description Colour RGB
Standby generator Blue R0 G102 B204
Utility Green R0 G153 B0
Commented [EM1]: Use orange instead? Yellow is hard to read.
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7.5.6 Navigation links
The navigation links will adopt a two colour scheme depending if the user page has been
developed or not (therefore the navigation link is active or not).
Table 19 Arrow links colour scheme
Description Colour RGB
Active link Green R0 G153 B0
Inactive link Grey R191 G191 B191
Table 20 Action button links colour scheme
Description Colour RGB
Active link Black R0 G0 B0
Inactive link Grey R191 G191 B191
7.5.7 Load shedding system
Master and Slave PLC
The status and alarms of the load shedding PLCs shall be displayed following the same
animation and colour scheme than the communication equipment described in §7.5.8.
Stages
Stages status shall be displayed by changing the background colour.
Figure 65 Load shedding stage display
Table 21 Load shedding stages colour scheme
Description Colour RGB
Stage activated [ON] Red R255 G0 B0
Stage activated [ON] Green R0 G153 B0
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7.5.8 Communication equipment
Communication equipment’s alarms shall be displayed with their symbol highlighted with a
surrounding box.
Table 22 Communication equipment colour scheme
Description Colour RGB
Active alarm Yellow R255 G255 B0
No borders - -
Figure 66 Communication equipment amination
7.5.9 Single line
The purpose is to provide the operator a graphical visual indication regarding the status of the
equipment (e.g. on/off, open/closed) and the presence of the alarms.
Principle
A three (3) step animation shall be configured:
[1] Modification of the symbol shape
[2] Modification of the colour scheme
[3] Animations overlay
[1] Modification of the shape
All switching devices shall have their symbol animated in order to advise the user on its status:
Open position
Closed position
Test position (withdrawable device)
Out position (disconnectable and withdrawable device)
The overall philosophy is illustrated as per example below for a typical circuit breaker.
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Figure 67 Switching device animation
[2] Modification of the colour scheme
All single line symbols shall have their colour modified to advise the user on its status:
No information or a discrepancy exists (e.g. position discrepancy)
Energised from an generator without connection to the Utility
Energised from the embedded network connected to the Utility
De-energised
The Priority column in the table indicates the display priority of the different states: high priority
levels have display hierarchy over lower priority levels.
Table 23 Single line colour scheme (includes busbars)
Priority Description Colour RGB
High No communication No information
Discrepancy
Grey R128 G128 B128
│ Energised from generator source Blue R0 G102 B204
│ Energised from Utility source Red R255 G0 B0
Low De-energised Green R0 G153 B0
[3] Animation overlay
All single line symbols shall have additional display items to advice on:
No information – when there is discrepancy or no information regarding the
[Open/Closed] position of a device, a red question mark icon shall be displayed.
Local mode – when the switchgear selector switch is on the [Local] position, an
annotation shall be displayed.
Active alarm – when an active alarm is present a surrounding box around the symbol
shall be displayed
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Ph-Ph or Ph-GND fault – when a circuit breaker trips or when a fault passage detector
reports the detection of a fault, a lightning bolt icon shall be displayed.
The animation overlay colours shall be as per the below table. Note that a circuit breaker
example has been illustrated in the example figure.
Table 24 Single line annotation colour scheme
Description Colour RGB
No information Red R255 G0 B0
Local mode Red R255 G0 B0
Active alarm Yellow R255 G255 B0
Ph-Ph or Ph-GND fault Red R255 G0 B0
Figure 68 Single line animation overlay
7.6 User access settings
User groups
Each user shall be assigned to one User Group per the table below and assigned a unique login
name and password. The EMCS system shall require that users change their passwords
periodically.
All commands (e.g. switching operations) shall require a user to re-enter their login name and
password via a prompt. All user logons will expire per the table below.
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Table 25 User access levels
User Group Privileges APAM active directory group
Level 1 – View only (Default)
View status of digital and analogue tags
View and export trend data
Logon never expires
Monitoring (Level 1)
Level 2 – System Operator
Level 1 +
Issue remote commands
Modify set points
Acknowledge alarms
Disable / re-enable alarms
Logon expires after 10 minutes when inactive
Monitoring
Control (Level 2)
Level 3 –
View
Administrator
Full access except control
Add or remove users from other security groups
Perform configuration of all SCADA items
Perform maintenance on SCADA system
Logon expires after 10 minutes when inactive
View
Administrator
(Level 3A)
Level 4 – Control Administrator
Full access including control
Add or remove users from other security groups
Perform configuration of all SCADA items
Perform maintenance on SCADA system
Reset remote counters
Logon expires after 10 minutes when inactive
Monitoring Control Administrator (Level 3B)
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8. Architecture
8.1 Philosophy
Melbourne Airport operates and enterprise wide multi-protocol label switching network
environment made up of a series of nodes, which are active switching and routing systems.
The locations of the nodes are largely informed by geographic location, and diversity of services
to the location, and end user services required.
The presence of communication rooms within the terminals areas will facilitate connection of the
EMCS equipment to the ICT network through wired Ethernet connections.
Within remote locations (e.g. business park, airfield), a dedicated optical fibre will be installed to
connect all equipment and connect to the more practical or closest communication room.
If communication underground conduits and pits are not available nor designed, consideration
shall be given to use a radio network to link the equipment to ICT.
Communication interface
Electrical equipment shall be specified with a communication interface to minimise control
cabling including (but not limited to):
Batteries controllers
Generator controllers
Insulation monitoring devices
Logic controllers, distributed IO, HMI
Meters
Power electronic converters
Protection relays
Temperature controllers, etc.
Communication network
Equipment communicating over the same RS-485 serial link shall use the same protocol.
The maximum quantity of communicating equipment shall be in accordance with the projected
traffic, the quantity of Modbus master and shall not exceed:
Protection relays, distributed IO, temperature controllers:
– One Modbus master (PowerSCADA, local HMI) : eight (8) units
– Two Modbus master: five (5) units
Meters (revenue) – eight (8) units
Communication protocol
Equipment shall communicate using an open protocols i.e. available and implemented between
different manufacturers across their equipment range.
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Data accessibility
To minimise the programing works to add/delete status, alarms or analogues, the EMCS
servers shall be able to communicate directly with any field devices therefore they shall be wired
to the communication network without data concentrator equipment (e.g. PLC).
Design life
The system shall be designed for an asset life of 15 years.
Electrical isolation Equipment fault
The EMCS architecture shall be designed to:
Facilitate the electrical isolation of single equipment
Minimise the loss of functionalities upon a single fault
ICT connection – The quantity of connection to ICT shall be minimum and in accordance
to the projected network traffic. The preferred connection methods to ICT are:
Ethernet cable
Optical fibre
Radio communication (subject to APAM approval)
IO acquisition
Communication equipment with built-in inputs/outputs shall be used as preferred acquisition
method to minimise the use of additional distributed IO or logic controller.
If more inputs/outputs are required then additional distributed IO shall be used.
Communication equipment shall only record status, alarms and analogues of the same
equipment i.e. it is not permitted to use the equipment [A] device to monitor equipment [B].
Project specific
The Designer for complex electrical process or plants (e.g. batteries storage, solar, large
substations, generation plants) may propose a customised EMCS architecture to suit the project
in accordance with this standard and shall submit to APAM for approval.
Spare
Spare space to allow for future expansions and spare and inputs/outputs to allow for future
connections shall be considered on a project basis and in accordance with projected Melbourne
Airport future developments
RTU
Additional RTU panels shall be used to record status, alarms and analogues of equipment
without communication interface or communication equipment watchdogs.
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8.2 EMCS Servers and software
8.2.1 Software
Application
The software used shall PowerSCADA Expert from Schneider and includes additional modules:
Advance reporting and dashboard module
Event notification module
Energy analysis module
PowerSCADA Anywhere
License
The EMCS software is limited to a certain number of tags dictated by the purchased license.
The Designer shall verify with APAM that the project implementation of the tag list will not
exceed the maximum tag limit.
8.2.2 Servers
Description
The EMCS servers are installed and configured in a distributed architecture. The PowerSCADA
Expert application shall operate as a redundant system, allowing the redundant server to pick
up the communications to field devices in case of a loss of the application on the primary server.
Figure 69 EMCS distributed architecture (Schneider)
MELAPPPRDEMS1 shall be configured as the primary application server for the EMCS at
Melbourne Airport. This server contains the primary application for the PowerSCADA Expert as
well as the application components for the Advanced Reporting and the Event Notification
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Modules. These application components communicate to the database installed on the SQL
server (MELSQLPRDEMS1).
The license for the remote client is housed on the Primary and Standby application servers
(MELAPPPRDEMS1 and MELAPPPRDEMS2). This is a redundant client, meaning that a
license is available over the network for the client in the event of the loss of either the primary or
standby SCADA applications.
MELAPPPRDEMS2 is configured as the standby application server for the EMCS at Melbourne
Airport. This server contains the standby application for the PowerSCADA Expert system. The
Power SCADA Expert software application operates as the standby, picking up the
communications to the field devices in the event of a loss of the application on the primary
application server (MELAPPPRDEMS1). The redundant client license is also located on the
standby SCADA application server.
MELSQLPRDEMS1 is configured as the Database server for the Advanced Reporting and
Event Notification application running on the primary EMS application server
(MELAPPPRDEMS1). The SQL server software installed on the server is provided and licensed
by APAM ICT and will hold the historical database for the reporting and the paging systems.
8.2.3 Workstations
Considering the native resolution (see §7.1), the workstations shall be desktop type. Laptops
are not best suited to display.
8.3 Point of Access
8.3.1 Wired network
The preference to connect the EMCS equipment to the ICT network shall be via wired cabling
using either:
Ethernet copper cables installed in accordance with MAS-ICT-006 for indoor routing or
underground conduits. The total cabling length shall not exceed 90 meters and shielded.
Optical fibre installed in accordance with MAS-ICT-006.
Outdoor cabling shall be installed within dedicated communication wiring systems (e.g. cable
tray or underground conduits) as per MAS-ELC-006.
8.3.2 Radio network
All radio communication works shall comply with the existing Melbourne Airport standard MAS-
ICT-005 Radio Communications Installation Standards.
8.3.3 Wireless network
The use of wireless network at Melbourne Airport is not approved.
8.3.4 Protocols
The communication protocols shall be:
Modbus/TCP over Internet Protocol for Ethernet links
Modbus RTU over RS-485 for serial links
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File Transfer Protocol for waveform transfer
8.4 Service conditions
The equipment shall be selected to comply with the service condition below with consideration
for the temperature rise due to heat losses within enclosures/envelops.
Table 26 Indoor equipment service conditions
Parameter Expected Conditions
Ambient temperature +10⁰C to +45⁰C
Relative humidity 10% to 90%
Pollution Level Level II – Medium (AS 4436)
Table 27 Outdoor equipment service conditions
Parameter Expected Conditions
Ambient temperature -5ºC to +40ºC
Extended Period Relative Humidity Range 10% to 90%
Annual Precipitation ≤ 1000 mm
Pollution Level Level III – Heavy (AS 4436)
8.5 Equipment specification
Auxiliary VT (Ph-Ph)
They are to be installed within kiosk RMU to provide auxiliary power supply to the EMCS
equipment and backup power unit. Of a compact dimensions and screened, they are designed
to withstand power frequency tests to avoid disconnection during commissioning and rated to a
continuous power of 300 VA minimum.
Cabling
Ethernet cable
ADC/Krone 4 pair Global Leader
Category 6 UTP
Connected to the building protection earth as per AS/ACIF S 009
Labelling as per TIA/EIA‐606‐A
Ethernet patch
ADC/Krone 4pr‐4pr Highband 25 Category 6 patch cords
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ADC/Krone TrueNet cable for hard jumpering
Labelling as per TIA/EIA‐606‐A
Optical fibre (backbone, outdoor)
Emtelle fibre, single-mode, 9/125-micron, OS2 type
LC connectors
6 cores minimum
Blown within an Emtelle FibreFlow tube
Fibre optical components shall comply with MAS-ICT-006.
Optical fibre (indoor)
Multi-mode , OM4 type
LC connectors
6 cores minimum (except patches)
Fibre optical components shall comply with MAS-ICT-006.
Serial cable RS-485 2-wires
1 pair 24AWG (7x32)
Tinned copper
Overall foil + tinned copper braid (90%) shield
Outer PVC jacket
Connection terminals
All digital inputs/outputs shall incorporate external knife-disconnect terminals to isolate without
disconnecting cables/wires.
Distributed IO
Modular type
Power supply (24 VDC or 110 VDC)
Discrete IO modules
Analog IO modules
Communication module (Ethernet Modbus TCP/IP, Modbus RTU)
IO connection with removable screw or spring-type connectors
Ethernet switch
Industrial range
Managed type
Fanless design
Single/dual DC power supply
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8 x Fast Ethernet RJ45 (copper ports, min.)
2 x Gigabit Ethernet (optical ports, min.)
Operating temperature (0 … +60⁰C)
DIN rail or 19" Rack mount
Fibre optical breakout tray
Outdoor (i.e. within kiosk equipment)
Wall mounted box
Metallic envelop
Stackable splice tray
Minimum size: 300 (Width) x 300 (Height) x 120 (Depth)
Indoor
Wall mounted cabinet
Metallic envelop
19" Rack format
Hinged glass door
Sliding fibre break out tray
One FOBOT per optical fibre cable
Cable management (brush)
Labelling plate (plain) for FOBOT segregation
Figure 70 Typical FOBOT cabinet arrangement
Power supply
The EMCS system shall not be disturbed in the event of a Utility outage
The Designer shall designate uninterruptible power sources to supply the EMCS equipment.
Indoor substations – The supply source shall be the DC charger distribution installed
within all substations
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Kiosk RMU and kiosk substations – The supply source shall be the embedded backup
power unit in all kiosks
The use of 400/300 VAC UPS (centralised or standalone units) is not permitted.
When a dual DC system is available (e.g. distribution X and distribution Y), the RTU panel shall
be fitted with a dual supply input with either fast relays (Figure 71) or diode bridges (Figure
72).
Figure 71 Dual DC supply – Schematic 1
Figure 72 Dual DC supply – Schematic 2
Backup power unit
The backup power units (with batteries) are to be installed within all kiosk equipment to provide
uninterrupted power supply up to 8 hours in the event of micro outages and power interruptions.
The batteries is shall be a standard sealed lead-acid 12 Vdc battery with a 10-year service.
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The backup solution shall reserves an “additional energy backup” to restart the installation after
an extended power interruption as well as:
Regulated and temperature-compensated charger
Stops the batteries before deep discharge
Carries out a battery check every 12 hours
Measures battery ageing
Forwards monitoring information via RS-485 serial port and output relays
Preferred equipment
The Designer shall select the equipment from the list in Appendix. Deviation may be possible to
suit project’s need, subject to APAM’s approval.
Programmable logic controllers
Bus chassis rack type
Standalone or redundant processor module
Power supply modules (24 VDC or 110 VDC)
Discrete I/O modules
Analog I/O modules
Communication module (Ethernet, optical transceiver, RTU)
PLC architecture as per the following table
Table 28 PLC allowed architecture
PLC Architecture Allowed?
Local I/O
(composed of hard-wired I/O)
Yes
Distributed I/O
(composed of devices distributed over Ethernet)
Yes
Remote I/O
(uses multiple Ethernet racks)
Large infrastructures
Integrated fieldbus
(composed of devices distributed over fieldbuses)
No
Data concentrator
(connecting communication equipment on sub-network)
No
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RTU panel
RTU panel shall be designed and installed when the embedded communication equipment (e.g.
protection relays, remote I/O) do not have sufficient capacity or to avoid systems to be crossed
wired (e.g. HV protection relay to monitor statuses of DC charger).
RTU construction requirements:
DC power input (cabinet: single, rack: dual)
PLC based architecture (CPU, Input cards, Output cards) [Large size, full height 19" rack]
Distributed IO [Small size, cabinet]
Ethernet communication ports
Metallic panel
Glass door (rack format)
Figure 73 Typical RTU panels arrangement (panel & rack)
8.6 System performance tuning
If the performance is not satisfactory, the following performance tuning to improve the EMCS
system shall be performed:
Dataflow prioritisation (bandwidth allocation for type of data, tag scan rates)
Driver optimisation (packet blocking optimization, device communication failure
optimisation
Device response time (to adjust background rates)
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8.7 Typical reticulation
8.7.1 Indoor substations
Indoor substations are typically installed within proximity of the terminals or major buildings
where communication rooms are normally available at ground floor levels and include HV
switchgear, power transformers, LV MSB, DC charger, load shedding PLC and local AC DB.
To comply with the current communication philosophy of HV switchgears (as per MAS-ELC-
002) and considering the low number of points monitored in indoor substations, the EMCS
architecture shall be arranged as described.
Description
The HV switchgear shall include protection relays, temperature controllers (dry type
transformer) and distributed IO. They shall communicate over RS-485 serial. One gateway
converter shall be installed in the HV switchgear including in the case of two small switchgears
(E) and (NE).
The LV MSB shall include protection relays, distributed IO and meters. Two serial networks
shall be arrange for protection relays and distributed IO and meters. Two gateway
converters shall be installed in the LV MSB including in the case of two small switchgears (E)
and (NE).
The revenue meters shall be connected together over RS-485 serial with a dedicated gateway
converter installed within the RTU panel. The Designer shall liaise with APAM if the cabling
exceeds the total allowable length to agree for an alternative arrangement or point of
connection.
Devices connected onto the same serial shall be selected to be compatible.
An RTU panel shall be installed in the LV room and shall include an Ethernet switch and
distributed IO. All Ethernet devices including gateway converters shall be connected to the
Ethernet switch which will interface with ICT with a single connection point.
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Figure 74 Indoor substation EMCS architecture
8.7.2 Kiosk substations
Kiosk substations are typically standalone units installed away from terminals or Melbourne
Airport buildings and communication rooms are unlikely to be in the vicinity of the equipment.
The supply of the kiosk substations follows a radial feeder or ring topology with HV cables
installed in underground conduits.
To minimise the point of connections to ICT and connect the kiosk substations together, it is
intended to develop an external optical fibre network following the supply architecture with
independent Comms conduits and pits.
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Figure 75 Remote kiosk substations EMCS architecture
Description
Kiosk substations are divided into 4 compartments:
HV compartment containing the HV switchgear and protection relays
TX compartment containing the power transformer and protection devices
LV compartment containing the LV MSB
SCADA compartment containing the EMCS equipment
The HV protection relays and LV protection relays shall communicate over RS-485 serial. One
gateway converter shall be installed in the SCADA compartment and connected to the Ethernet
switch.
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Due to LV cabling limitations, the revenue meters will likely be in the vicinity of the kiosk
substation. Their connection shall be done over RS-485 serial with a dedicated gateway
converter installed at the kiosk substation. The Designer shall liaise with APAM if the cabling
exceeds the total allowable length to agree for an alternative arrangement or point of
connection.
Distributed IO shall be installed in the SCADA compartment and connected to the switch with an
Ethernet link.
The Ethernet switch shall be connected to the external optical fibre using a separate FOBOT.
Figure 76 Kiosk substation EMCS architecture
8.7.3 Kiosk RMU
Similar to the kiosk substations, the kiosk RMU are standalone units and communication rooms
are unlikely to be in the vicinity of the equipment. Their connection to the embedded network
also follows a radial feeder or ring topology with HV cables installed in underground conduits.
The intent is to connect the kiosk RMU to the kiosk substations communication network as well.
Description
Kiosk RMU do not typically host HV circuit breakers but if any, the protection relay shall
communicate over a RS-485 link and be connected to the Ethernet switch over a gateway
converter.
Distributed IO shall be installed in an EMCS cabinet to segregate from the HV equipment
including the FOBOT and Ethernet switch.
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The Ethernet switch shall be connected to the external optical fibre using a separate FOBOT.
Figure 77 Kiosk RMU EMCS arrangement
8.7.4 Large infrastructures and main substations
Large infrastructures and Main substations are likely to contain a large quantity of
communication equipment as well as an extensive quantity of tags to be retrieved onto the
EMCS system.
The developed architecture shall use the protocols nominated in §8.7.4.
The preferred network architecture should comply with principles established in §8.1 and with
the following schematic where:
If ICT do not plan to develop a communication room/cabinet to connect all devices then a
local Ethernet sub-network shall be developed.
The network Ethernet switch quantity shall be design to minimise the Ethernet cable
length and allocated per system/sub-systems.
If a single Ethernet switch is used or connect a large portion of total communication
equipment then it shall be reinforced by being industrial Ethernet type, fanless and with
redundant DC power supply inputs.
PLC, Distributed IO, power electronic converters shall be connected to the network over
Ethernet.
Full height rack shall be used to build RTU panels.
HV protection relays may be connected either over Ethernet (preferred) or RS-485 Serial.
Meters shall be connected over RS-485 Serial.
IED performing PQ metering and waveform capture shall be connected over Ethernet.
Local HMI, SCADA servers and workstations shall be connected over Ethernet.
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The Ethernet network shall be dedicated to the EMCS/Control system of the plant. Other
services (e.g. CCTV over IP) shall not share this network.
The connection to ICT shall be wired and done either by optical fibre or Ethernet
connection.
Figure 78 Large infrastructure EMCS arrangement
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9. Documentation
9.1 Design stage
Depending on the project profile, the Designer should make allowance to produce the design
documents listed below.
Title Format Description
Cable schedule MS Excel List all the cables and type of the EMCS
system
Comms address list MS Excel Group all the Comms addresses of all
communication equipment
Network architecture diagram AutoCAD Detail the Comms architecture at all levels
from the ICT network PoA
Comms port allocation MS Excel Detail for each device with multiple ports
their allocation. This information can be
reported onto the network architecture
diagram
EMCS tag list MS Excel List all the points to be configured in the
EMCS system with the following:
Tag Name Device Name Equipment
Name Tag Description Data Type
OnBoard Eng. Units Alarm Priority
Alarm Type MicroGrid SE Comment
Equipment schedule MS Excel List all the equipment and parts details
involved in the system
Functional specification MS Word Summarise the functionalities to be
program and pages to be developed
Panel general arrangement AutoCAD Shop drawing detailing the arrangement
of the equipment installed in the same
panel
Panel schematics (AC/DC) AutoCAD Shop drawing detailing the wiring of the
equipment installed in the same panel
Specification MS Word
Wiring diagram AutoCAD
Factory acceptance test MS Word If required
Provisional acceptance test MS Word If required
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Title Format Description
System commissioning test MS Word Mandatory
9.2 Delivery stage
Prior to developing user pages and configure the programmable devices, the Contractor shall
produce a document summarising:
Functions that will be programmed into the EMCS system
List of the existing user pages to be modified with short description of the modification
(e.g. “Add substation”, “Remove circuit-breaker ID#”, etc.)
List of the new user pages to be developed
Snapshot of all modified/new user pages with full extent of the works shown
The document shall be submitted to PMC for review prior to perform the WUC.
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10. Operations & maintenance
10.1 Ethernet port and GPO
The Designer should make allowance to provide at the relevant locations:
Spare Ethernet port – located in the RTU panel to connect a laptop to eventually
perform system/software maintenance and modifications in situ.
Spare 240 V outlet – located in the RTU panel to connect the charger of the above
mentioned laptop (except kiosk RMU).
10.2 Spare parts
At project practical completion, the Contractor shall provide APAM with the required spare parts.
The spare part list are process and design dependant and shall be agree during the design
development between PMC and the Designer.
As part of the O&M, the Contractor shall list all the components involved in the system for
APAM to purchase further parts, including:
Part (function) description
Part name (as shown in supplier’s catalogue)
Parts reference (as shown in supplier’s catalogue)
Manufacturer details (name)
Installation manual and user manual (may be combined documents, .pdf format)
This description may be done at design stage if exhaustive equipment schedule are produced
by the Designer.
10.3 Drivers and software
At project completion (or administrative completion), the Contractor shall provide with the O&M
the following:
Printed version (.pdf format) of the configuration and programming of all
programmable/communication equipment. The prints shall either show all of the
configurable items, programmable logic, block diagrams, etc. for APAM to consult further
without specialised software.
Provide the latest configuration/programmable file (executable) tested and uploaded in
the programmable/communication equipment (proprietary format).
List of the software including revision required to operate, modify and maintain the
system/works. Unless specified in the specification, APAM will make arrangements to
procure the applicable software license(s).
During the DLP period, the Contractor shall make APAM aware of any software updates made
available by the manufacturer by written correspondence (ACONEX) used in the implementation
of the system/works.
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10.4 Training
Prior project practical completion, the Contractor shall provide APAM’s personal with training to
familiarise with the project works, operate correctly the system and maintain and update
the system/project works.
Prior practical completion, the Contractor shall:
Produce a training manual (.pdf format) detailing:
– System functionalities
– System boot and restart procedures
– System upgrade procedure
– System software update
Provide a training to APAM’s personal (general) to familiarise with the system
Provide a training to APAM’s personnel (operators) to operate the system
Provide a training to APAM’s personnel (engineer) to maintain and update the
system/works
Note
The above mentioned training shall be customised and adapted the the intent and the
attendees profile.
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APPENDICES
Appendix A – Standard Tag list
Appendix B – Runtime menu
Appendix C – Alarm user group
Appendix D – Typical metering diagram
Appendix E – Preferred equipment
Appendix F – Names examples
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Appendix A – Standard Tag list
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Appendix B – Runtime menu
Level 1 Level 2 Level 3 Level 4
Home
Home
Home Network summary
Home Standby power summary
Home Airport control centre
Home Graphics legend
Alarms / Events
Alarms / Events
Alarms / Events Event log
Alarms / Events Alarm log
Alarms / Events Unacknowledged alarms
Alarms / Events Disabled alarms
Alarms / Events Security viewer
Geographic overview
Geographic overview
Geographic overview Overview
Geographic overview Airside
Geographic overview Terminals
Geographic overview Business Park
Power distribution
Power distribution
Power distribution Overview
Power distribution Main substations
Power distribution Main substations SUB ID#
Power distribution Main substations SUB ID# 22kV single line
Power distribution Main substations SUB ID# 400V single line
Power distribution Main substations SUB ID# Ancillary equipment
Power distribution HV Feeder/Rings
Power distribution HV Feeder/Rings RMU ID#
Power distribution HV Feeder/Rings SUB ID#
Power distribution HV Feeder/Rings SUB ID# 22kV single line
Power distribution HV Feeder/Rings SUB ID# 400V single line
Power distribution HV Feeder/Rings SUB ID# Ancillary equipment
Power generation
Power generation
Power generation Overview
Power generation Load shedding system
Power generation Trigeneration
Power generation Generators
Power generation Generators GE ID#
Power generation Solar plants
Power generation Solar plants ID#
Power generation Batteries storage
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Level 1 Level 2 Level 3 Level 4
Power generation Batteries storage ID#
System supervision
System supervision
System supervision Communication rooms
System supervision Communication rooms Airside
System supervision Communication rooms Terminal 1
System supervision Communication rooms Terminal 2
System supervision Communication rooms Terminal 3
System supervision Communication rooms Business Park
System supervision Communication rooms Main substations
System supervision Communication equipment
System supervision Communication equipment Main substations
System supervision Communication equipment Main substations SUB ID#
System supervision Communication equipment RMU
System supervision Communication equipment RMU RMU ID#
System supervision Communication equipment Substations
System supervision Communication equipment Substations SUB ID#
System supervision Communication equipment Batteries storage ID#
System supervision Communication equipment Solar plants ID#
System supervision Communication equipment DC chargers
System supervision Communication equipment DC chargers Airside
System supervision Communication equipment DC chargers Terminals
System supervision Communication equipment DC chargers Business Park
System supervision Communication equipment DC chargers Main substations
System supervision Communication equipment UPS
System supervision Communication equipment UPS Airside
System supervision Communication equipment UPS Terminals
System supervision Communication equipment UPS Business Park
System supervision Communication equipment UPS Main substations
System supervision Communication equipment UPS Airside
System supervision Event notification
Benchmarking
Benchmarking
Benchmarking Utility performance
Benchmarking Network performance
Benchmarking Energy consumptions
Benchmarking Tenants demand
Benchmarking Asset demand factor
Analysis
Analysis
Analysis Trending
Analysis Instant trend
Analysis Multi trend page
Analysis Waveform
Analysis Waveform popup
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Level 1 Level 2 Level 3 Level 4
Applications
Applications
Applications Event notification
Applications Dashboards
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Appendix C – Alarm user group
[Left blank intentionally]
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Appendix D – Typical metering
diagram
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Appendix E – Preferred equipment
(Update Sept-19)
Protection relay (HV)
Schneider SEPAM S10 series (I, Sub.)
Schneider SEPAM S20 series (V/I, Sub., Energy, waveform)
Schneider SEPAM S40 series (V/I, Sub., Energy, waveform)
Schneider SEPAM S60 series (V/I, Sub., Energy, THD, waveform)
Schneider SEPAM S80 series (V/I, Diff., Cap bank, Energy, THD, waveform)
Schneider MICOM P72x series (High Z Diff)
Note: The Designer is to finalise the relay selection with the Protection Engineer.
Protection relay (LV)
Schneider Micrologic 6.0 E (≤ 630 A, Energy)
Schneider Micrologic 6.0 P (≥ 800 A, Energy)
Schneider Micrologic 6.0 H (PQ, harmonics 31st serial)
Revenue meter
EDMI MK6E (3Ph. incomers, HV, specific applications)
EDMI MK10A (3Ph. general application)
EDMI MK7C (1Ph.)
Note: APAM is to decide the type of meter type to use.
Energy meter
Schneider PowerLogic ION6200 EP2 (serial)
Schneider PowerLogic PM5320 (serial, harmonics 31st display)
Schneider PowerLogic PM5560 (serial/Ethernet, harmonics 63rd display)
PQ meter
Schneider PowerLogic PM8000 series (Ethernet, sag/swell, harmonics, waveform)
Schneider PowerLogic ION9000 series (Ethernet, sag/swell, transient, harmonics,
waveform)
Gateway converter
Schneider PowerLogic Link150 (relays)
Schneider Com’X series (relays)
Moxa MGate MB3170 series (EDMI meters)
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Protocol converter (if used)
Red Lion Data Plus series
Ethernet switch
Cisco Industrial Ethernet 1000 series
Hirschmann Compact OpenRail series
Moxa EDS series
Schneider ConneXium series
Programmable logic controller
Schneider Modicon M340 (RTU panel small)
Schneider Modicon M580 (RTU panel small/large)
Schneider Modicon Premium (RTU panel large, process)
Schneider Modicon Quantum (process)
Distributed IO
Phoenix Contact InLine series
Moxa ioLogik 4000 series (modular)
Schneider Modicon STB series (modular)
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Appendix F – Names examples
Tag Name
SUB1_CB_E36\PTRC1\Tr\dchg
SUB1_CB_E319\XCBR1\SumSwARs1
RMU15_CB_E319\XCBR1\SumSwARs1
SUB99_DC_Y\Dig\St\Alarm
SUB99_TX_SST1\Dig\St\PressFlt
Equipment Name
Main substation – SUB 99
SUB_99.HV.BUS_1.CB_5 Incomer CB TX1 #5 (Bus 1)
SUB_99.HV.BUS_3.CB_15 Incomer CB TX3 #15(Bus 3)
SUB_99.HV.BUS_3.CB_19 Bus Tie 3-1 CB #19 (Bus 3)
SUB_99.HV.BUS_1.CB_4 Feeder A CB #4 (Bus 1)
SUB_99.HV.BUS1.CB_9 Cap bank CB #9 (Bus 1)
SUB_99.HV.CAPBANK_1 Cap bank #1
SUB_99.HV.SST_1 Auxiliary transformer #SST1
SUB_99.HV.NER_1 NER #1
SUB_99.HV.NER_2 NER #2
Main substation – SUB 100
SUB_100.HV.CB_N113 HV Incomer CB #N113 (Non-essential)
SUB_100.HV HV Bus w/o ID# (Non-essential)
SUB_100.HV.CB_N110 Bus tie CB #N110 (Non-essential)
SUB_100.HV.CB_E110 Bus tie CB #E110 (Essential)
SUB_100.HV.VT_E109 Bus VT #E109 (Essential)
SUB_100.HV.CB_E104 Generator transformer CB #E104 (Essential)
SUB_100.HV.TX_GE Generator transformer w/o ID# (unique)
SUB_100.HV.NER_GE NER for GE transformer w/o ID# (unique)
SUB_100.GE_1 Generator #1 (unique)
SUB_100.GE_2 Generator #2 (unique)
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SUB_100.GE_3 Generator #3 (unique)
Distribution substation – SUB 42
RING_D.SUB_42.HV.SW_E4213 HV Incomer switch #E4213 (Essential)
RING_D.SUB_42.HV.CB_E4211 HV Transformer CB #4211 (Essential)
RING_D.SUB_42.HV.TX_E42 HV Transformer #E42 (Essential)
RING_D.SUB_42.HV.CB_E4214 HV Bus Tie CB #E4214 (Essential)
RING_D.SUB_42.LV.MSBE.CB_E1 LV TX incoming CB #Q1 (Essential)
RING_D.SUB_42.LV.MSBE.CB_25 LV MSB Bus Tie CB #Q25
RING_D.SUB_42.LV.MSBE.CB_E4 Outgoing LV MCCB #Q4 (Essential)
RING_D.SUB_42.LV.MSBE Event onto LV MSB w/o ID# (Essential)
RING_D.SUB_42.AUX.DC_X DC charger #X
RING_D.SUB_42.AUX.DC_Y DC charger #Y
RING_D.SUB_42.LV.DB_S42 Substation DB #S42
RING_D.SUB_42.AUX.SCADARTU SCADA RTU panel w/o ID# (unique)
SYSTEM.LOADSHED.SUB_42 Load shedding PLC w/o ID# (unique)
SYSTEM.METERING.SUB_42.RM_12 Revenue meter #12
SYSTEM.METERING.SUB_42.E_4 Energy meter #4
SYSTEM.METERING.SUB_42.PQ_1 Power quality meter #1
SYSTEM.UPS.SUB_42.UPS_E1 UPS unit #E1
Kiosk ring main unit – RMU 2
RING_F.RMU_2.HV.SW_R21 HV Incoming switch #R21 (Non-essential)
RING_F.RMU_2.HV.CB_R22 HV Incoming switch #R22 (Non-essential)
RING_F.RMU_2.HV.SW_R23 HV Incoming switch #R23 (Non-essential)
RING_F.RMU_2.HV.SW_R24 HV Incoming switch #R24 (Non-essential)
RING_F.RMU_2.AUX.DC DC charger w/o ID# (unique)
RING_F.RMU_2.AUX.SCADARTU SCADA RTU w/o ID# (unique)
HV Feeders/Rings
RING_F HV Ring #F
RING_K HV Ring #K
FDR_E HV Feeder #E
FDR_F HV Feeder #F
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Solar plant
SOLAR.ID# Overall plant
SOLAR.ID#.SUB_75 Plant HV substation/switchgear
SOLAR.ID#.SUB_75.SW_NE100 HV switch of the substation #NE100
SOLAR.ID#.SUB_75.CB_NE101 HV breaker of the substation #NE101
SOLAR.ID#.SUB_75.TX_NE75 Step-up transformer #NE75
SOLAR.ID#.PWRINV_01 Plant DC inverter #01
SOLAR.ID#.PWRINV_02 Plant DC inverter #02
SOLAR.ID#.PWRINV_01.DCBOX_01 Combiner box attached to DC inverter #01
Batteries storage plant
BATTERIES.ID# Overall plant
BATTERIES.ID#.SUB_75 HV substation/switchgear of the plant
BATTERIES.ID#.SUB_75.SW_E200 HV switch of the substation
BATTERIES.ID#.SUB_75.CB_E201 HV breaker of the substation
BATTERIES.ID#.SUB_75.TX_E75 Step-up transformer #E75
BATTERIES.ID#.SUB_75.TX_E75_1 Step-up transformer #E75.1
BATTERIES.ID#.SUB_75.TX_E75_2 Step-up transformer #E75.2
BATTERIES.ID#.PWRCONV_01 Plant AC/DC converter #01
BATTERIES.ID#.PWRCONV_02 Plant AC/DC converter #02
BATTERIES.ID#.PWRCONV_01.BANK_01 Batteries bank #01 of converter #01
Communication room
COMMSROOM.AIRSIDE.ROOM_05 Comms room #05 located Airside
COMMSROOM.TERMINAL_2.ROOM_23 Comms room #23 located in Terminal 2
COMMSROOM.BUSINESS.ROOM_55 Comms room #55 located in Business Park
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Tag Description
COMMUNICATION ROOM - RM #125 (AIRSIDE) - ESSENTIAL VOLTAGE ALARM
COMMUNICATION ROOM - RM #125 (AIRSIDE) - NON-ESSENTIAL VOLTAGE ALARM
SUB 100 - BUS.E - CD #E107 (RING J) - CIRCUIT BREAKER OPEN
SUB 100 - BUS.E - GE #1 - CURRENT PHASE A
SUB 100 - BUS.E - GE #1 - DEMAND ALARM (80% CAPACITY)
SUB 100 - BUS.E - GE #1 - DEMAND ALARM (95% CAPACITY)
SUB 100 - BUS.E - GE #1 - FAIL TO START
SUB 100 - BUS.E - GE #1 - FUEL SYSTEM ALARM
SUB 100 - BUS.E - GE #1 - FUEL SYSTEM FAULT
SUB 100 - BUS.E - GE #1 - NUMBER OF STARTS
SUB 100 - BUS.E - GE #1 - PLC COMMUNICATION FAILURE
SUB 100 - BUS.E - GE #1 - RESERVE CAPACITY
SUB 100 - BUS.E - GE #1 - RUNNING HOURS
SUB 100 - BUS.E - GE PLANT - COMMUNICATION FAILURE
SUB 100 - BUS.E - GE PLANT - COMMUNICATION FAILURE MICROGRID
SUB 100 - BUS.E - GE PLANT - GENERATOR ROOM TEMPERATURE ALARM
SUB 100 - BUS.E - GE PLANT - NOT AVAILABLE
SUB 100 - BUS.E - GE PLANT - PLANT IN (AUTO) MODE
SUB 100 - BUS.E - GE PLANT - REMOTE (START) COMMAND
SUB 100 - BUS.NE - CB #N112 (RING L) - HARMONICS VOLTAGE ALARM (PHASE A)
SUB 100 - BUS.NE - CB #N113 (INCOMER) - VOLTAGE SAG OR SWELL ALARM
SUB 100 - LOAD SHEDDING - STATUS STAGE 01
SUB 100 - LOAD SHEDDING (MASTER) - COMMUNICATION FAILURE SLAVE PLC
SUB 100 - LOAD SHEDDING (MASTER) - HMI FAULT
SUB 100 - LOAD SHEDDING (MASTER) - PLC DC SUPPLY MCB TRIP
SUB 120 (FDR D) - KIOSK SUBSTATION TEMPERATURE ALARM
SUB 15 - BUS.E - TX #E15 - BUCHHOLZ RELAY ALARM
SUB 350 - SOLAR - COMBINER BOX #DC01 - ARRAY FUSE TRIP
SUB 350 - SOLAR - COMBINER BOX #DC01 - DC CURRENT
SUB 350 - SOLAR - COMMUNICATION FAILURE MICROGRID
SUB 350 - SOLAR - INVERTER #I01 - GENERAL ALARM
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SUB 350 - SOLAR - INVERTER #I01 - VOLTAGE PHASE A
SUB 350 - SOLAR - PLANT COMMUNICATION FAILURE
SUB 350 - SOLAR - PLANT IN (AUTO) MODE
SUB 350 - SOLAR - PLANT IN (OFF) MODE
SUB 350 - SOLAR - PLANT NOT AVAILABLE
SUB 400 - STORAGE PLANT - BANK #B01 - BATTERIES BANK PROTECTION TRIP
SUB 400 - STORAGE PLANT - BANK #B01 - DC CURRENT
SUB 400 - STORAGE PLANT - CHARGE CAPACITY
SUB 400 - STORAGE PLANT - COMMUNICATION FAILURE MICROGRID
SUB 400 - STORAGE PLANT - CONVERTER #C01 - GENERAL ALARM
SUB 400 - STORAGE PLANT - CONVERTER #C01 - VOLTAGE PHASE A
SUB 400 - STORAGE PLANT - PLANT COMMUNICATION FAILURE
SUB 400 - STORAGE PLANT - PLANT IN (AUTO) MODE
SUB 400 - STORAGE PLANT - PLANT IN (OFF) MODE
SUB 400 - STORAGE PLANT - PLANT NOT AVAILABLE
SUB 400 - STORAGE PLANT - STAGE OF CHARGE
SUB 42 - BUS.E - CB #4214 (RING D) - GROUND OVERCURRENT TRIP
SUB 42 - BUS.E - CB #4214 (RING D) - NEUTRAL OVERCURRENT TRIP
SUB 42 - BUS.E - CB #4214 (RING D) - PHASE OVERCURRENT TRIP
SUB 42 - BUS.E - CB #4214 (TX #E42) - VOLTAGE TRANSFORMERS MCB TRIP
SUB 42 - BUS.E - CB #E4213 (RING D) - EARTH SWITCH CLOSED
SUB 42 - BUS.E - S/W #4213 (RING D) - HV FAULT DETECTED
SUB 42 - BUS.E - TX #E42 - TEMPERATURE ALARM
SUB 42 - BUS.NE - S/W #NE423 (RING C) - SELECTOR SWITCH IN (LOCAL)
SUB 42 - DC #X - GENERAL ALARM/FAULT
SUB 42 - DC #Y - COMMUNICATION FAILURE
SUB 42 - LOAD SHEDDING (SLAVE) - HMI FAULT
SUB 42 - LOAD SHEDDING (SLAVE) - PLC DC SUPPLY MCB TRIP
SUB 42 - LV MSB - COMBINED LOAD DEMAND
SUB 42 - LV MSB.E - CB #Q1 (TX #E42) - CIRCUIT BREAKER CLOSED
SUB 42 - LV MSB.E - CB #Q1 (TX #E42) - VOLTAGE PHASE A
SUB 42 - LV MSB.E - METER #NRG17 (HVAC) - CURRENT PHASE A
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SUB 42 - LV MSB.E - TX.E42 - TRANSFORMER LOAD DEMAND
SUB 42 - LV MSB.NE - AUXILIARY MCB TRIP
SUB 42 - LV MSB.NE - COMMUNICATION FAILURE
SUB 42 - METER #RME03 (QANTAS) - VOLTAGE PHASE A-B
SUB 42 - ROOM #SUB042LV (LV ROOM) - WATER LEAK ALARM
SUB 42 - RTU PANEL - DC SUPPLY MCB TRIP
SUB 42 - RTU PANEL - GENERAL ALARM/FAULT
SUB 99 - AIRPORT HV FAULT LEVEL
SUB 99 - AIRPORT HV FAULT LEVEL ALARM
SUB 99 - BUILDING #B306.1 - RTU PANEL - DC SUPPLY MCB TRIP
SUB 99 - BUILDING #B306.1 - RTU PANEL - POWER SUPPLY CARD FAULT
SUB 99 - BUILDING #B306.1 (HV ROOM) - AC UNIT GENERAL ALARM/FAULT
SUB 99 - BUS 1 - CB #10 (FDR G) - CABLE DEMAND ALARM (80% CAPACITY)
SUB 99 - BUS 1 - CB #10 (FDR G) - CABLE DEMAND ALARM (95% CAPACITY)
SUB 99 - BUS 1 - CB #10 (FDR G) - DEMAND ALARM (80% CAPACITY)
SUB 99 - BUS 1 - CB #10 (FDR G) - DEMAND ALARM (95% CAPACITY)
SUB 99 - BUS 1 - CB #10 (FDR G) - PROTECTION RELAY FAULT
SUB 99 - BUS 1 - CB #13 (FDR A) - CIRCUIT BREAKER CLOSED
SUB 99 - BUS 1 - F/S #10 (TX.SST1) - HV FUSE MELTING
SUB 99 - BUS 2 - ARC FLASH TRIP
SUB 99 - BUS 2 - BUS DIFFERENTIAL TRIP
SUB 99 - BUS 3 - CB #17 (FDR I) - LINE DIFFERENTIAL TRIP
SUB 99 - BUS 3 - E/S #24 - BUSBAR EARTH SWITCH CLOSED
SUB 99 - LV MSB - CB #Q00 (LV TIE) - CIRCUIT BREAKER POSITION DISCREPANCY
SUB 99 - LV MSB.NE - CB #Q44 (LV FDR) - CIRCUIT BREAKER CLOSED
TERMINAL 2 - SDA #L20 - METER #RM17 (McDONALDS) - TENANT OVERLOAD ALARM
TERMINAL 2 - SDA #L20 - METER #RM17 (McDONALDS) - VOLTAGE PHASE A-NEUTRAL
(UNCONTROLLED WHEN PRINTED)