siprotec 5 - new applications for grid protection · page 4 june 8, 2017 korger / rc-at em dg pro...
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SIPROTEC 5 - NewApplications for GridProtectionGeorg Korger, Head of DepartmentProtection
siemens.at/future-of-energyUnrestricted © Siemens AG Österreich 2017
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Wind or PV(private)
Storage
Dieselgenerator
Microgrid
E-mobility
Smart buildings
Heatstorage
Onshorewind
Large-scale PVinstallation
Storage(gas, liquids)
Biomass
Cogeneration
GasdistributionPower to value
(gases, liquids,chemicals,)
Gas transport
Offshore wind farm
Onshore wind farm
Gassupplier
Gas plant
Districtheating(cooling)
Grid controlcenter
Hydropowerplant
Buildings,computer centers,nanogrid
Transformer
Substation SubstationFossil-fuel powerplant
Reliable detection and safe isolation of faults in electrical powersystems are the objectives of power system protection
§ Line infeed through distributedgeneration in distribution grids
§ Unpredictable renewables§ Volatile and higher utilization of
transmission & distribution capacity –need for resilience
Challenges§ Increased use of directional O/C and
tele-protection in distribution grids§ Enhanced supervision and active
control of power system status, assetsand protection parameters duringoperation
Measures
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Innovation is a must for power system protection in orderto meet current and future requirements of the power system’sevolution
Wind or PV(private)
Storage
Dieselgenerator
Microgrid
E-mobility
Smart buildings
Heatstorage
Onshorewind
Large-scale PVinstallation
Storage(gas, liquids)
Biomass
Cogeneration
GasdistributionPower to value
(gases, liquids,chemicals,)
Gas transport
Offshore wind farm
Onshore wind farm
Gassupplier
Gas plant
Districtheating(cooling)
Grid controlcenter
Hydropowerplant
Buildings,computer centers,nanogrid
Transformer
Substation SubstationFossil-fuel powerplant
§ Protection schemes used in transmission grids move to distribution level§ More efficient and higher utilization of powers systems have impact on protection§ More advanced and performant applications through Information and Communication Technologies
Trends
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SIPROTEC 5Devices and Fields of Application
Busbar protection7SS85
Motor protection7SK8
Bay controller6MD8
Fault recorder7KE85
Breaker management7VK8
Distance protection 7SA8
Line differential protection 7SD8
Transformer differentialprotection 7UT8
Overcurrent and feederprotection 7SJ8
Combined line differential &distance protection 7SL8
Generator protection7UM85
- Modularly designed hardware- Flexible and modularly designed software- High-performance engineering tool DIGSI 5
Wide product range for every application and requirement: Generation – Transmission – Distribution – Industry & Infrastructure
PMU
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SIPROTEC 5 is the answer to trends and customers’ challenges
New features :
§ New functionalitiesEarth fault detection, Protection datainterface, redundancy protocols,arc flash protection, voltage controller,impedance protection,reactance method, PMU function, etc.§ Fast GOOSE communications§ Cyber security§ New technologies
(travelling wave, …)§ Process bus§ Future Requirements can be integrated
due to flexibility of the system(FW version)
Resulting Challenges for Customers
§ More selective investments
§ CAPEX vs. OPEX optimization
§ Increasing cost pressure
With SIPROTEC 5 –the most complete protection portfolio -and its multifunctional capability ourcustomers save expenditures inengineering, operation and service
Customer Value Proposition
SIPROTEC 5§ Is modular scalable§ Offers the most complete
functionality§ Offers the highest
flexibility
Differentiation
New features:
• Ensuring reliability & availability ofenergy with new challengesesp.Renewable integration which§ threatens grid stability§ increases complexity of grid
management
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SIPROTEC 5 – New Solutions with Protection Data InterfaceFast fault clearance in double-feed MV lines / Interlocking
Direction comparison with PDI
§ Automatic switch over from ring to chainconfiguration
§ Highly available Communication§ Applicable for
§ Protection functionalities§ Interlockings
§ Directional DMT/IDMTL protection withoutgrading times
§ Fast fault clearance§ Low-cost due to integrated protection
interface§ Monitored data exchange§ Adaptable to different communication
infrastructures
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Interlocking with PDI
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7SJ82
PDICommunication
PDI Communication
7SJ82
67 PDI
7SJ827SJ82
67 PDIPDI 67 PDI 67
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SIPROTEC 5 – Earth fault detection60% of faults are earth faultsReliable detection – essential in transmission and distribution
Energy Distribution networks10/20/30/110kV
SIPROTEC 5
Full parallel operation of different methods§ Increase of reliability§ Saving costs§ Saving engineering efforts
Advantages of different methods in one device
Star point treatment often compensated
§ Different methods with different devices
Transient function Watt-metric function Other methods Directional intermittedfunction
Network sturcture
§ radial
§ Closed ring
§ meshed
Fault type
§ static
§ transient
§ intermittent (Cable fault)
Fault resistance level
§ Low (<50 Ω)
§ med. (<3000 Ω)
§ High (>3000 Ω)
Watt metric Transient Harmonics
All in One
till now
with SIPROTEC 5
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Harmonics 3rd
SIPROTEC 5Earth fault detection – All Advantages in one Device
SIPROTEC 5
Harmonics 7th
Watt metric
Transient function (digital)
Harmonics 5th
Signalization of earth fault direction to control centerusing a priority scheme (user defined CFC)
Combination of Advantages of several methods inone device
§ High sensitivity20 x more compared to former algorithms
§ Detection of§ High impedance / ohmic faults§ Very short ground faults§ Static faults
Advantages
Best qualified for meshed networks and others
Unified clear use of devices
Cost efficient
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SIPROTEC 5 – Adaptive ProtectionRemote control of protection settings through IEC 61850
Problem:Protection settings & thermal limitsare calculated for worst case conditionsà This leads to too restrictive limitsduring >90% of the year
Solution:Adapt settings automatically:à This leads to increased limits during >90% of the yearà This enhances the capacity of the transmissionsystem without building new lines
How is this done:Adapted settings are calculated on control center levelbefore changes of the short circuit currents. The newsettings are then loaded into all protection relays usingIEC61850
1 2 3 160
Control Center
10-40 devices 10-40 devices 10-40 devices 10-40 devices
…
…
grid transmission capacity
Today‘s reservedue to fixed limits
Grid capacityused today
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SIPROTEC 5 – Arc ProtectionImproved Protection Functionality and personel Safety
Flash over between the poles or to earthed partsSevere risk for personal and equipment
§ Danger for personnel§ Damage of equipment
SIPROTEC 5 relays offer in addition to the base functionsthe possibility of installing optical sensors
§ traditional feeder protection§ detect arc flashes
in order to bypass the time grading of the overcurrentprotection in case of a real arc.High temperatures of ~ 10.000 ºC cause smelting,vaporizing and destruction of the different materials.
The destruction starts after:§ ~ 100 ms: cable sealing ends§ ~ 150 ms: copper§ ~ 200 ms: steel
BushingsConnection
compartment Contact system
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SIPROTEC 5 – Arc ProtectionProtection of Air-insolated MV-Switchgears
Incoming
Binary signal / GOOSE
Feeder 1 Feeder 2
CB compartment
Cable connectioncompartment
Optical sensors(line or point)
Busbarcompartment
SIPROTEC 5§ Feeder protection§ Arc protection
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SIPROTEC 5 – Arc ProtectionProtection of Air-insolated MV-Switchgears
Optical Arc Detection for SIPROTEC 5 using communication:
Instantaneous tripping in case of arc flashlight + current: ~4ms + contactBypass of time grading of O/C protectionIncreased safety against unwanted tripsMinimized damages of equipmentIncreased safety for personellOne module per feederOne device for feeder protection and arc flash
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Incoming
Binary signal / GOOSE
Feeder 1 Feeder 2
CB compartment
Cable connectioncompartment
Optical sensors(line or point)
Busbarcompartment
SIPROTEC 5§ Feeder protection§ Arc protection
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Transformer Protection – Classical ConceptMultitude of Devices
110kV
20kVTransformer Differential
Protection
Distance Protection
O/C Protection as backup forTransformer Differential Protection
Transformer Regulator
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SIPROTEC 5 – Transformer Protection ConceptIntegrated Voltage Regulation and multiple Functionality
110kV
20kV
Distance Protection
O/C or Distance Protection as backupfor Transformer Differential
Protection
Transformer Regulator
Transformer DifferentialProtection
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Automatic Voltage Control of Transformers with SIPROTEC 5From Single to Parallel Operation
§ Function available with version 7.50 (07/2017)
§ Required voltage regulator for transformerparallel operation§ Protection and voltage regulation in one device§ Circulating current minimization or master
follower method
§ Reduced investment with multifunction device§ Easy parameterization with DIGSI§ Reduced wiring§ Faster commissioningB
enef
its
§ SIP5 voltage regulator platform function§ Master follower, circulating current and
independent mode§ Interconnection via IEC 61850§ Supports up to 8 transformer in parallel operation
Cus
tom
erre
quire
men
tSi
emen
sSo
lutio
nSt
atus
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SIPROTEC 5 - Concept Transformer ProtectionRemote Transformer / Line
>50
0m
New features of solution SIP5
7UT6
7SD6
7SD6
≈
HV
MV
AU
S-M
itnah
me
∆I
≈
HV
MV
7UT8
7SD8
Solution with SIPROTEC 5 and PDISolution with SIPROTEC 4
Pro
tect
ion
Dat
aIn
terfa
ce
§ Communication between
Transformer differential protection and
Line Differential protection using
PDI (Protection Data Interface,
supervised com. Interface)
§ Full range of functionalities
of the SIPROTEC 5 platform
§ Determination of fault location
(transformer or line)
§ For all kinds of star point treatment
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SIPROTEC 5 – Distance Protection in Distribution NetworksDoubled Distance Function
Parameter group 1 Parameter group 2
Starpoint of the network may change during switching over actionHigher load possible / acceptable due to wearher conditions, network condistions
Starpoint groundedStarpoint compensated
Dis
tanc
eP
rote
ctio
n–
7SA
8
Doubled distance protection (in one device) does not require additional function points
activeactive
Non activeNon active
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High Availability in CommunicationSeamless Redundancy – HSR
IED
RedundancyManager
IED
RedundancyManager
Redbox
Application Application
IEDIED
RedundancyManager
IED
RedundancyManager
Advantages
§ Seamless – no reconfiguration time§ 1 common communication network§ Cost reduction due to ring configuration§ Connection of “Single attached nodes” to
the HSR Network via RedBox§ Valid IEC 62439-3 standard
SIPROTEC supports
RSTP – Rapid Spanning TreePRP – Parallel Redundany ProtocolHSR – High Availability RedundancyProtocol
+++
Bay
leve
lS
tatio
nle
vel
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Digital Process Level – Process bus with SIPROTEC 5A new dimension in power grid reliability and efficiency
New approach
§ Digitalization of analogue values provided by conventionalinstrument transformers (CT´s / VT´s)
§ Tranfer of measurement values via Ethernet and FO to theprotection units
§ Interoperable acc.IEC 61850-9-2
Process bus implementation - Advantages
Substation Controller
Control Center
CircuitBreakerController
Parallel wiring
Process bus
Station bus
Sampled ValuesIEC
6185
0
3rd
party
CTVT
§ Reduced cabeling, measuring directly at the process§ High availability of the network due to seamless redundancy
protocols§ Improved operational safety (CT, VT handling, EMC, …)§ Very good transient performance, advanced functionality§ Advanced flexiblity enables new sensor technolgies§ Decoupling from outside, primary influences§ Reduced space using NCIT´s
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What is the future of process data acquisition and analysis?What if
1
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3
4
5
You can access process data without touching operative systems(engineering & configuration of SCADA, Substation Automation)?
You have process data online available from the complete powersystem?
The data access is cyber secure and operational safe (read-only)?
You can provide data access to various stakeholders in yourorganization (asset management, service, wholesale…) in differentqualities?
You can choose powerful applications from SIEMENS, OEMs, 3rd
parties?
You can develop own applications for data processing and analysis?
The solution is fully flexible?
6
7
DataAnalyticsplatforms
Ctrl
SCADA
Substation
CtrlCtrl
ProtProt
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Connecting Electrical Infrastructure AssetsSIPROTEC 5 goes MindSphere - Benefit from data monitoring
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Field Devices
Sensors
Third-party products
Automation IEDs
Protection IEDs Data Collecting & Analytics § Asset and Device Management§ Detection of probable system
faults prior to event?§ Adaptive protection setting?
Analytics andIntelligent Learning modules
MindSphere –The cloud-based,
open IoT operatingsystem
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www.siemens.com/siprotec
SIPROTEC in the Internetwww.siemens.com/siprotec
§ Brochures§ Catalogues§ Firmwares§ Manuals
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Contact
Dipl.-Ing. Georg KorgerHead of Department Protection
Siemensstraße 90A-1210 Vienna
Mobile: +43 (0)664 80 117 46580
E-Mail:[email protected]
siemens.at/future-of-energy