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PowerCube 1000 V300R003C00
Solution Description
Issue 02
Date 2013-05-02
HUAWEI TECHNOLOGIES CO., LTD.
Issue 02 (2013-05-02) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
i
Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without
prior written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not
be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all
statements, information, and recommendations in this document are provided "AS IS" without warranties,
guarantees or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: support@huawei.com
PowerCube 1000
Solution Description About This Document
Issue 02 (2013-05-02) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
ii
About This Document
Purpose
The PowerCube 1000 V300R003C00 (PowerCube 1000 for short) is a competitive solution
that integrates the mains, diesel generators, Solar Power System, and storage batteries.
This document describes PowerCube 1000 in terms of its functions, features, architecture,
application scenarios, configurations, model number description, and components.
Intended Audience
This document is intended for:
System engineers
Network planning engineers
Site engineers
Sales engineers
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol Description
Alerts you to a high risk hazard that could, if not avoided,
result in serious injury or death.
Alerts you to a medium or low risk hazard that could, if not
avoided, result in moderate or minor injury.
Alerts you to a potentially hazardous situation that could, if not
avoided, result in equipment damage, data loss, performance
deterioration, or unanticipated results.
Provides a tip that may help you solve a problem or save time.
Provides additional information to emphasize or supplement
important points in the main text.
PowerCube 1000
Solution Description About This Document
Issue 02 (2013-05-02) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iii
Change History
Changes between document issues are cumulative. The latest document issue contains all the
changes made in earlier issues.
Issue 02 (2013-05-02)
Update the security cordon and the appearance of ECC500.
Issue 01 (2012-09-14)
This issue is the first official release.
PowerCube 1000
Solution Description Contents
Issue 02 (2013-05-02) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Contents
About This Document .................................................................................................................... ii
1 PowerCube 1000 Overview ......................................................................................................... 1
1.1 Context ............................................................................................................................................................. 1
1.2 Positioning ....................................................................................................................................................... 1
1.3 Benefits ............................................................................................................................................................ 1
2 Functions and Features ................................................................................................................ 3
3 Application Scenarios and Product Series ............................................................................... 4
3.1 Application Scenarios ....................................................................................................................................... 4
3.2 Product Series................................................................................................................................................... 4
4 Architecture .................................................................................................................................... 6
4.1 Introduction ...................................................................................................................................................... 6
4.2 EPS ................................................................................................................................................................... 7
4.3 ICC ................................................................................................................................................................... 7
4.4 ESS ................................................................................................................................................................... 8
4.5 Cabinet System ................................................................................................................................................. 8
4.6 Network Monitoring and Management System................................................................................................ 9
5 Model Number Description ...................................................................................................... 11
6 Component Description ............................................................................................................. 12
6.1 Cabinet System ............................................................................................................................................... 12
6.2 ICC Components ............................................................................................................................................ 13
6.2.1 IDU ....................................................................................................................................................... 13
6.2.2 ECC500 ................................................................................................................................................. 17
6.2.3 S4850G1 ............................................................................................................................................... 18
6.2.4 R4850N3 ............................................................................................................................................... 18
6.2.5 ATS Main Control Box ......................................................................................................................... 19
6.2.6 BCU-1203A .......................................................................................................................................... 21
6.2.7 BC1203 ................................................................................................................................................. 22
6.2.8 DJN1000-S ............................................................................................................................................ 23
6.3 EPS ................................................................................................................................................................. 24
6.3.1 D.G. ....................................................................................................................................................... 24
PowerCube 1000
Solution Description Contents
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6.3.2 PV Module ............................................................................................................................................ 24
6.3.3 PV Module Support .............................................................................................................................. 25
6.3.4 SJB ........................................................................................................................................................ 25
6.4 ESS ................................................................................................................................................................. 26
A Glossary ....................................................................................................................................... 27
B Acronyms and Abbreviations .................................................................................................. 28
PowerCube 1000
Solution Description 1 PowerCube 1000 Overview
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Copyright © Huawei Technologies Co., Ltd.
1
1 PowerCube 1000 Overview
1.1 Context
Huawei launches PowerCube 1000 V300R003C00 (PowerCube 1000 for short) for the Indian
market. The PowerCube 1000 is a competitive solution that integrates the mains, diesel
generators, Solar Power System, and storage batteries. This solution solves the problems of
low D.G. load power, high fuel consumption, heavy D.G. maintenance workload, and
component theft. It uses multiple energy sources and supports rapid development, power
supply monitoring, and remote intelligent management.
1.2 Positioning
The PowerCube 1000 is used in the areas with Class 3 electrical grids and is applicable to the
scenarios of mains absence, low mains quality, and mains unsteadiness.
NOTE Mains absence: The outage duration is 24 hours per day.
Mains unsteadiness: The outage duration is less than 12 hours per day.
Low mains quality: The outage duration is greater than or equal to 12 hours per day.
1.3 Benefits
The PowerCube 1000 has the following benefits:
Cost Reduction High integration
− By integrating components into a PowerCube, the floor area is reduced by 60% to
80%.
Intelligent power combination
− D.G.-mains-battery hybrid power system minimizes the use of fuel by scheduling
energy intelligently.
PowerCube 1000
Solution Description 1 PowerCube 1000 Overview
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Standardization Standard platform
− Controller platforms such as the energy control center (ECC) and solar supply unit
(SSU)
− Standard element management system, namely, the Network Ecosystem (NetEco)
(Note:HTTP is not a secure protocol)
Flexible combination
− The total cost of ownership (TCO) is minimized by combining the D.G., Solar Power
System, and storage batteries flexibly. The D.G. Power System can be used as the
active power source based on site requirements.
− Smooth capacity expansion and evolution are supported.
Intelligent Management Power network management
− Uses the NetEco to recognize energy equipment, collects data about energy
equipment, and creates lists on which equipment and data are displayed.
− Records equipment running information and prompts for routine maintenance.
− Ensures electrical safety and security by using a theft prevention design and alarm
generation function for fuel and solar energy.
− Allows equipment of multiple customers to share electricity.
PowerCube 1000
Solution Description 2 Functions and Features
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2 Functions and Features
Table 2-1 describes the PowerCube 1000 functions and features.
Table 2-1 PowerCube 1000 functions and features
Function or Feature Description
Standard and
scenario-dedicated
solution
Three scenarios: mains absence, low mains quality, and mains
unsteadiness
Propositional solutions:
Combination of the D.G., mains, storage batteries, and PV
modules (PV modules being the active power source)
Reuse Supports reused local diesel generators.
High integration and
rapid installation
Allows module fast deploy, and the module with high density
and efficiency, reducing the equipment volume and floor area.
Site load sharing and
electricity selling
Allows four operator to share the PowerCube 1000, allows
amount of electricity to be remotely recorded.
Value added features Provides value added features such as service management,
asset management, operation and maintenance management,
recording of amount and fee of electricity, fuel theft
prevention design.
NOTE
Site load sharing: several client share the site matched equipment which include the tower and power
system, and billing respectively.
PowerCube 1000
Solution Description 3 Application Scenarios and Product Series
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3 Application Scenarios and Product Series
3.1 Application Scenarios
The PowerCube 1000 used in the areas with Class 4 electrical grids. The sites can be without
mains, with unsteady mains, and with low mains quality.
Table 3-1 describes the scenarios that the PowerCube1000 applies to.
Table 3-1 Scenario description
Scenario Feature Active Power
Solution Type Networking Mode
No mains D.G. D.G.-mains-battery
power system
D.G.+ ESS
Solar energy Solar-D.G.-battery
hybrid power system
PV+D.G.+ ESS
Low mains quality Solar energy Solar-D.G.-Mains-bat
tery hybrid power
system
Mains+PV+D.G.+ ESS
Mains unsteadiness
3.2 Product Series
Table 3-2 describes the solution product series configurations for modernized sites.
Table 3-2 Solution configurations for sites
PowerCube 1000
Solution Description 3 Application Scenarios and Product Series
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Product Series Description
Configurations Principia Max Power(W) List
SBOM Description
Product Series
EPS ICC ESS
1 S531D-D0 V33 S
PV Module
235W*9PCS,Ma
ins, Reused DG
ICC510(direct-
cooling),
PSU*3,SSU*1
ESS
400AH(d
irect-
cooling)
1250W
2 S532D-D0 V33 S
PV Module
235W
*9PCS,Mains,
Reused DG
ICC510(direct-
cooling),
PSU*6,SSU*1
ESS
600AH(d
irect-
cooling)
1550W
3 S552D-D0 V33 S
PV Module
235W
*18PCS,Mains,
Reused DG
ICC510(direct-
cooling),
PSU*6,SSU*2
ESS
600AH(d
irect-
cooling)
1850W
4 S552D1-D0 V33 S
PV Module
235W
*18PCS,Mains,
Reused DG
ICC510(direct-
cooling),
PSU*6,SSU*2
ESS
800AH(d
irect-
cooling)
2350W
5 D501D V33 D Reused DG,Main
s
ICC510(direct-
cooling),
PSU*3
ESS
400AH(d
irect-
cooling)
1250W
6 D502D V33 D Reused DG,
mains
ICC510(direct-
cooling)
PSU*6
ESS
600AH(d
irect-
cooling)
1850W
7 D502D1V33 D Reused DG,
mains
ICC510(direct-
cooling)
PSU*6
ESS
800AH(d
irect-
cooling)
2350W
PowerCube 1000
Solution Description 4 Architecture
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4 Architecture
4.1 Introduction
The PowerCube consists of the following systems by function: Integrated Controller and
Converter (ICC), energy storage system (ESS), energy plant system (EPS), cabinet system,
and network monitoring and management system. Figure 4-1 shows the network diagram of
the systems.
Figure 4-1 Network diagram
PowerCube 1000
Solution Description 4 Architecture
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4.2 EPS
The EPS supplies power to the ICC for power conversion and distribution.
Table 4-1 describes EPS component functions.
Table 4-1 EPS component functions
Subsystem Component Function
D.G. system Supplies alternating current (AC) power by
converting chemical energy into electric energy.
Photovoltaic
(PV) system PV module Converts solar energy into electric energy.
PV module support Supports PV modules and uses a theft prevention
design.
SJB Allows PV arrays to be connected in parallel and
supplies solar power to the ICC.
4.3 ICC
The ICC, as the core of the PowerCube 1000, schedules energy logically, monitors running
status of other systems, and reports information to the NetEco.
Table 4-2 describes ICC component functions.
Table 4-2 ICC component functions
Component Function
Integrated
distributio
n unit
(IDU)
ECC ECC function:
Schedules energy.
Provides a liquid crystal display (LCD) screen to query system
information and set system control parameters.
Implements remote management in out-of-band mode.
Provides ports for connecting signal cables.
Provides scheduling logic for the hybrid power system.
Distribut
ion unit
Input and output distribution function:
Provides input ports for PV modules.
Provides ports for direct current (DC) power distribution.
Provides ports for AC power distribution.
ATS Switches between AC power sources.
SSU Regulates the voltage of PV modules with MPPT technology.
PSU Converts AC input into –48 V DC output.
PowerCube 1000
Solution Description 4 Architecture
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Component Function
BCU Converts –48 V DC input into 12 V DC output to charge the D.G.
storage battery.
Inverter (optional) Converts DC input into AC output.
4.4 ESS
The energy storage system (ESS) stores backup power and works as a power source in the
PowerCube 1000.
Table 4-3 describes ESS component functions.
Table 4-3 ESS component functions
Component Function
Storage battery Stores energy and converts between electric energy
and chemical energy alternately.
4.5 Cabinet System
The cabinet houses and protects the ICC, and ESS, and ensures that they work at an
appropriate temperature.
Table 4-4 describes cabinet configurations.
Table 4-4 Cabinet configurations
Cabinet of the ICC
Temperature Control Mode for the Energy Control Cabin
ESS Temperature Control Mode
Supported Storage Battery
Supported Energy Control Subrack
ICC510-D
D2
Natural-ventilat
ion unit
Natural-ventilat
ion unit
one batteries
strings
IDU-300E1
IDU-300D1
PowerCube 1000
Solution Description 4 Architecture
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4.6 Network Monitoring and Management System
Network Diagrams
The network monitoring and management system is a logical system that consists of the EPS,
ESS, ICC, cabinet, and a NetEco. The NetEco provides the site status and data and allows you
to remotely control sites.
Figure 4-2 Network monitoring and management system
Principle of Electricity to be Remotely Recorded
Figure 4-3 shows the principle of electricity to be remotely recorded. The user get user’s
power data by NetEco.
PowerCube 1000
Solution Description 4 Architecture
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Figure 4-3 Principle of Electricity to be Remotely Recorded
PowerCube 1000
Solution Description 5 Model Number Description
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5 Model Number Description
Table 5-1 describes the models of the subsystems and major components of the PowerCube
1000.
Table 5-1 Models of the subsystems and major components
Subsystem or Component Acronyms Model
Integrated Controller and
Converter
ICC ICC510-DD2
Integrated Distribution Unit IDU IDU-300E1
IDU-300D1
Energy Plant System EPS N/A
Energy Storage System ESS N/A
Energy control center ECC ECC500
Solar Supply Unit SSU S4850G1
Power Supply Unit PSU R4850N3
Storage battery N/A N/A
Battery Charger Unit BCU BCU-1203A
Solar Junction Box SJB N/A
Inverter N/A DJN1000-S
PowerCube 1000
Solution Description 6 Component Description
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6 Component Description
6.1 Cabinet System
An ICC510 series cabinet consists of an ESS and energy control cabin. Table 6-1 lists the
technical specifications of an ICC510 series cabinet.
Table 6-1 Technical specifications of an ICC510 series cabinet
Item Description
Dimensions (H x W x D) 2100 mm x 1800 mm x 750 mm
Color Gray
Installation Installed on a floor
Cable routing Routed from the bottom
Maintenance Maintained from the front
TCU ICC510-DD2: natural-ventilation unit (both in the ESS and
energy control cabin)
Protection level ICC cabin: IP55
ESS cabin: IP45
Figure 6-1 show an ICC510 series cabinet.
PowerCube 1000
Solution Description 6 Component Description
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Figure 6-1 ICC510 series cabinet exterior
Figure 6-2 ICC510 cabinet with equipment interior view
6.2 ICC Components
6.2.1 IDU
Appearance
An IDU-300E1 integrates the functions of the ACDU, DCDU, ATS, and PVDU (optional) and
reserves space for the ECC500, SSU, PSU. Figure 6-3 shows an IDU-300E1.
PowerCube 1000
Solution Description 6 Component Description
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Figure 6-3 IDU-300E1
(1) DC load output circuit
breakers (2) D.G. AC input circuit
breakers (3) ECC500
(4) SSU (5) PSU (6) Battery charger unit (BCU)
(7) ATS main control box (8) Mains AC input circuit
breakers (9) PV input circuit breakers
(10) Battery fuses (11) RTN+
PowerCube 1000
Solution Description 6 Component Description
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Figure 6-4 IDU-300D1
(1) DC load output circuit
breakers (2) D.G. AC input circuit
breakers (3) ECC500
(4) BC1203 (5) PSU (6) ATS main control box
(7) Mains AC input circuit
breakers (8) Battery fuses (9) RTN+
Functions
Table 6-2 describes IDU functions.
Table 6-2 IDU functions
Function Description
AC automatic
transfer
Switches between the D.G. and the mains by using the controller and
detects inputs from the two power sources.
Multiple energy
input
Supports inputs from the D.G, mains, and solar energy and other
power inputs such as the reused DC power supply.
Communication,
control, and alarm
reporting
Performs functions of communication and alarm reporting, supports
remote management and online upgrade, monitors and controls the
operating status of the power system, and reports fault alarms in a
timely manner (over the ECC500).
–48 V DC power
supply
Is configured with hot-swap PUS to perform AC/DC conversion.
Is configured with hot-swap SSUs to perform DC/DC conversion.
Provides multiple DC outputs with powering off functions to
power Huawei base stations and transmission equipment.
PowerCube 1000
Solution Description 6 Component Description
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Function Description
Protection Provides overvoltage, undervoltage, and open-phase protection
for the D.G. and mains supply.
Integrates a surge protection unit to provide reliable protection for
the AC/DC power port, monitoring alarm ports and
communications port.
Alarm generation Generates alarms for mains open phase and D.G. open phase.
Maintenance Allows all external ports and connected cables to be maintained from
the front of the IDU.
Electrical label
function
Indicates the ECC500, PSU, SSU, power distribution port board, and
ATS main control box.
Battery
management
Manages storage batteries effectively to ensure their proper operation
(over the PMU).
Technical Specifications
Table 6-3 IDU Technical Specifications description
Component Description
IDU-300D1 IDU-300E1
Application
Scenarios
D.G.+storage battery Mains+D.G.+storage battery
Solar+D.G.+storage battery
PSU R4850N3 with a rated output of 50 A
SSU None S4850G1 with a rated output of 50
A
SSU subrack None 1 U high (optional, space reserved)
Monitoring
module
ECC500+monitoring unit of the ATU+interface board of the DCDU
Monitoring
module subrack
2 U high
AC power
distribution
2 input ways: One 3-pole 63 A input circuit breakers and one input
terminals (UT16 terminals) (D.G.+mains)
DC power
distribution
Two 160 A battery fuses Two 160 A battery fuses
Can supply total 16 circuit
breaker with 8 users, per user
circuit breaker is:
Major loads: 32A/1P x 1
Minor loads: 80A/1P x 2+32A/1P
x 1
Can supply total 8 circuit
breaker with 2 users, per user
circuit breaker is:
Major loads: 32A/1P x 1
Minor loads: 80A/1P x 2+32A/1P
x 1
PowerCube 1000
Solution Description 6 Component Description
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Component Description
IDU-300D1 IDU-300E1
Common load: 16A/1P x 2 +
32A/1P x 1
Common load: 16A/1P x 2 +
32A/1P x 1
PV power
distribution
(optional)
None Standard configure is: 63A/1P x
1+UT16 x 1
Can spread to 4 input ways.
Battery switch Used for connecting battery contactors manually.
6.2.2 ECC500
Appearance
Figure 6-5 shows an ECC500.
Figure 6-5 ECC500
(1) Main control module (2) Extension DO module (3) GPRS module
(4) Extension IO module (5) D.G. IO module (6) Basic IO module
Functions
The ECC500 schedules energy. The main control module monitors other PowerCube
components by working with the basic I/O module, GPRS module, and D.G. control module.
Features
The ECC500 has the following features:
Performs comprehensive power management, battery management, and intelligent
control device management locally or remotely. For example, it can communicate with
power supply units (PSUs) over RS485 or CAN ports, communicate with a host over an
RS485 or RS232 port, and monitor equipment remotely over a 10/100M autonegotation
Ethernet port.
Reports the data collected by the water sensor, smoke sensor, door status sensor, ambient
temperature and humidity sensor, battery temperature sensor over reserved analog
parameter ports and dry contacts.
Monitors power distribution and reports alarms.
Displays the AC status and DC status of the power system as well as the operating
parameters, operating status, alarm information, preset parameters, and control
PowerCube 1000
Solution Description 6 Component Description
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parameters of modules and storage batteries on the liquid crystal display (LCD) in real
time.
6.2.3 S4850G1
Appearance
The S4850G1 panel provides a Run indicator, a Protection indicator, and a Fault indicator.
Figure 6-6 shows an S4850G1.
Figure 6-6 S4850G1
Functions
The S4850G1 is a DC-DC converter that uses maximum power point track (MPPT)
technology. It tracks the highest solar power point based on the output features of PV modules
to maximize the use of solar energy.
Technical Specifications
The S4850G1 has the following features:
Is 1 U high, 2.5 U wide, fan-cooled, and hot-swappable.
Works at –20°C to +75°C (power derated above 55°C).
Maximum input power: 3100 W.
Output voltage: 43.2–58 V DC.
Rated voltage: 53.5 V DC.
Maximum output power: 3000 W.
Is protected against input reverse connection.
6.2.4 R4850N3
Appearance
The R4850N3 is 2 U high. Figure 6-7 shows an R4850N3.
PowerCube 1000
Solution Description 6 Component Description
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Figure 6-7 R4850N3
Functions
R4850N3 convert AC power into –48 V DC power.
Features
R4850N3 have the following features:
Work at high efficiency and run stably.
Are hot-swappable.
Are protected against input overvoltage, input undervoltage, input overcurrent, output
overvoltage, output short circuit, output current limiting, and overtemperature.
6.2.5 ATS Main Control Box
Figure 6-8 shows an ATS main control box.
Figure 6-8 ATS main control box
(1) COM_IN port (2) COM_OUT port (3) RS232 port
(4) Indicators (5) ATS no-AC output (6) Dry contact outputs for
monitoring the D.G. status
(7) Dry contact output for ATS
alarms
(8) Dry contact output for mains
failures
(9) Dry contact output for D.G.
1 start/stop control
(10) Dry contact output for D.G.
2 start/stop control
Table 6-4 describes indicators on the ATS main control box.
PowerCube 1000
Solution Description 6 Component Description
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Table 6-4 ATS Indicators on the ATS main control box
Indicator Color Status Meaning
RUN Green Blinking at 4 Hz (on for 0.125s
and then off for 0.125s)
The communication is
faulty.
Blinking at 0.5 Hz (on for 1s and
then off for 1s) The ATS runs properly.
ALM Red Steady on A fault occurs.
Steady off A fault is rectified.
DG1 Green Steady on D.G. supplies power.
Steady off D.G. supplies no power.
MAIN
(DG2)
Green Steady on The mains supplies power.
Steady off The mains is unavailable,
supplies no power.
BYPASS Green Steady on The transfer switch is
BYPASS.
Steady off The transfer switch is
AUTO.
Table 6-5 describes the communications ports on the ATS main control box.
Table 6-5 Communications ports on the ATS main control box
Port Definition Function
COM_IN Active and standby protocol ports.
COM_IN and COM_OUT ports are
cascaded internally.
Communicates with the energy
control center (ECC) components. COM_OUT
RS232 COM port Communicates with a PC for
maintenance and local upgrade.
Table 6-6 describes dry contacts on the ATS main control box.
Table 6-6 Dry contacts on the ATS main control box
Dry contact Definition Default Status
Remarks
NO1/COM1/NC1 Controls D.G. 1 startup
and shutdown.
Normally
open (NO)
or normally
closed (NC)
The default status is NC.
NO2/COM2/NC2 Controls D.G. 2 startup
and shutdown
PowerCube 1000
Solution Description 6 Component Description
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Dry contact Definition Default Status
Remarks
AMF Reports mains failure
alarms.
NC If the dry contact is NO,
no mains failure alarm
is generated.
If the dry contact is NC,
an mains failure alarm
is generated.
DG_Run Monitors the diesel
generator (D.G). status.
NO If the dry contact is NO,
no D.G. is running.
If the dry contact is NC,
the D.G. is running.
ALM Reports ATS fault
alarms.
NO If the dry contact is NO,
no alarm is generated.
If the dry contact is NC,
an alarm is generated.
AC_FAULT Monitors the AC power
supply
NO If the dry contact is NO,
the ATS has no AC
input.
If the dry contact is NC,
the ATS has AC input.
6.2.6 BCU-1203A
Appearance
A BCU-1203A is installed in the IDU subrack. Figure 6-9 shows a BCU-1203A.
Figure 6-9 BCU-1203A
Functions
A BCU-1203A converts –48 V DC to +12 V DC to charge the D.G. storage battery.
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Features Provides two outputs with typical power being 81 W.
Is protected against input overvoltage.
Is protected against output current limiting.
Is protected against output short circuits.
Is protected against output reverse connection.
Is protected against overtemperature.
Is isolated from the power supply network if it is faulty.
Indicates alarms by indicators.
Communicates with the backplane over a CAN bus or Huawei master/slave protocol,
reports electrical labels, protection information, and fault information, and supports
remote upgrade.
6.2.7 BC1203
Appearance
Figure 6-10 shows a BC1203.
Figure 6-10 BC1203
Functions
The BC1203 is installed in the DCDU and converts –48 V DC to +12 V DC to charge the D.G.
storage battery.
Features
The BC1203 has the following features:
Provides two outputs with typical power being 81 W.
Is protected against input overvoltage, output current limiting, output short circuit,
reverse output connection, and overtemperature.
Is isolated from the power supply network if it is faulty.
Indicates alarms by indicators.
Communicates with the backplane over a CAN bus or Huawei master/slave protocol,
reports electrical labels, protection information, and fault information, and supports
remote upgrade.
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6.2.8 DJN1000-S
Appearance
Figure 6-11 shows a DJN1000-S.
Figure 6-11 DJN1000-S
(1) DC input port (2) Switch (3) Air exhaust vents
(4) SPD (5) All-purpose output socket (6) Indicator
(7) Dry contact (8) AC input and output terminal
Functions
The DJN1000-S converts DC input into AC output.
Technical Specifications
DJN1000-S technical specifications
Item Specifications
Rated capacity 1000 VA/700 W
AC input Rated voltage 230 V AC
Rated frequency 45–55 Hz
DC input Rated voltage 48 V DC
Rated voltage 20 A
AC output Output voltage 220 V AC (tolerance: ±3%)
Output frequency 50 Hz (tolerance: ±1%)
Output mode One AC output wiring terminal and one all-purpose
socket
Dimensions (H x W x D) 43.5 mm x 440 mm x 286 mm
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6.3 EPS
6.3.1 D.G.
The PowerCube 1000 used reused D.G..
6.3.2 PV Module
Appearance
Figure 6-12 shows a PV module.
Figure 6-12 PV module
Functions
A PV module, as an important component for light-to-electricity conversion in the Solar
Power System, supplies power to loads. It is resistant to corrosion, wind, and rain. PV
modules are connected in series or parallel to meet load voltage and current requirements.
Features
A PV module has the following features:
Good light transmission.
Double-layer solar cell, with high circuit reliability.
Long service life (25 years).
Multi-layer polyolefin compressed circuit, which is moisture-proof, well-insulated
and works stably under undervoltage conditions.
Certified by the TUV, Underwriters Laboratory (UL), International Organization for
Standardization (ISO), CE, and International Electrotechnical Commission (IEC).
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6.3.3 PV Module Support
Appearance
A PV module holds one or more PV modules in position. PV module supports are classified
into standard supports, scalable low supports, and scalable high supports. Their appearance is
shown in Table 6-7.
Table 6-7 PV module support appearance and features
Support Type
Appearance Feature
PV module
support
It supports Huawei PV modules and
SJBs.
Three PV modules form one basic
unit.
The PV modules installed on the
support all have a 25-degree
angle with the floor. The angle
cannot be adjusted.
Customer equipment can be installed
under the PV modules. The upper
edge of the PV modules is 3300 mm
above the floor, and the lower edge is
2000 m above the floor.
6.3.4 SJB
Appearance
Figure 6-13 shows an SJB.
Figure 6-13 SJB
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Functions
An SJB allows outdoor PV arrays to be connected in parallel and provides surge protection
for PV modules. It consists of input and output wiring terminals, a protection device for PV
module inputs and outputs, an SPD, and a ground bar. To decrease cable voltage drop and
facilitate installation, multiple SJBs can be used based on site requirements.
6.4 ESS
Appearance
Figure 6-14 shows a storage unit.
Figure 6-14 Storage unit
Features
A storage battery has the following features:
Supports fast charging and helps to maximize the use of mains and minimize the use
of D.G.
Is well designed to withstand high temperatures.
Technical Specifications Can be charged and discharged 1600 times at 27ºC when the DOD is 60%.
Discharging temperature: –20°C to +55°C
Charging temperature: –20°C to +55°C
Maximum charge current: 0.3C
Capacity of a single unit string: 400 Ah, and 600 Ah
PowerCube 1000
Solution Description A Glossary
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A Glossary
L
low mains quality Pertaining to the outage duration greater than 12 hours per day.
M
mains absence Pertaining to the outage duration 24 hours per day.
mains unsteadiness Pertaining to the outage duration less than 12 hours per day.
N
new site A site where all equipment is provided by Huawei.
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Solution Description B Acronyms and Abbreviations
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B Acronyms and Abbreviations
A
AC alternating current
ACDU alternating current distribution unit
ATS AC transfer switch
B
BC battery charger
C
CAPEX capital expenditure
D
DC direct current
DCDB direct current distribute box
DCDU direct current distribute unit
DOD depth of discharger
DTS direct current transfer switch
D.G. diesel generator
E
ECC energy control center
EPS energy plant system
ESS energy storage system
PowerCube 1000
Solution Description B Acronyms and Abbreviations
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G
GPRS general packet radio service
I
ICC Integrated Controller and Converter
IDU Integrated Distribution Unit
L
LLVD load low voltage disconnection
M
MPPT maximum power point track
N
NetEco Network Ecosystem
O
OPEX operating expense
P
PSU power supply unit
PV photovoltaic
PVDU photovoltaic distribution unit
S
SOH state of health
SPD surge protection device
SSU solar supply unit
T
TCO total cost of ownership
V
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Solution Description B Acronyms and Abbreviations
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VRLA valve regulated lead acid
W
WEEE waste electrical and electronic equipment
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