PowerCube 1000 V300R002C00. Solution Description. Issue 02. Date HUAWEI TECHNOLOGIES CO., LTD.

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1 V300R002C00 Issue 02 Date HUAWEI TECHNOLOGIES CO., LTD.

2 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: Website: Huawei Industrial Base Bantian, Longgang Shenzhen People's Republic of China support@huawei.com i

3 About This Document About This Document Purpose The PowerCube 1000 V300R002C00 (the 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. ii

4 About This Document Change History Issue 01 ( ) Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Delete ACB scenarios. This issue is the first official release. iii

5 Contents Contents About This Document... ii 1 PowerCube 1000 Overview Context Positioning Benefits Functions and Features Architecture Introduction EPS ICC ESC Cabinet System Network Monitoring and Management System Application Scenarios and Configurations Application Scenarios Solution Configuration Model Number Description Cabinet System ICC300-H ICC500 Series Cabinet ICC900 Series Cabinet SCB Cabinet ICC Components S4850G PSU ECC PVDU-60A DCDU-400A ACDU-63A iv

6 Contents BC ATS-63A ETP24160A IDU-300A DJN1000-S EPS D.G PV Module PV Module Support SJB ESC SCB DCB-A FCB A Glossary B Acronyms and Abbreviations v

7 1 PowerCube 1000 Overview 1 PowerCube 1000 Overview 1.1 Context 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 4 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 Cost Reduction The PowerCube 1000 has the following benefits: High integration By integrating components into a PowerCube, the floor area is reduced by 60% to 80%. Intelligent power combination The D.G. and storage batteries can be combined. Compared with the D.G.+D.G. solution, this mode reduces the fuel consumption average by 50%. The Solar Power System can be combined with the mains, D.G., or storage batteries. Compared with the Solar Power System, this mode reduces the capital expenditure (CAPEX) by 10% to 30%. 1

8 1 PowerCube 1000 Overview The mains can be combined with the Solar Power System, D.G., or storage batteries. This mode requires less or even no fuel than the mains+d.g. solution, because the D.G. is not required if the main is normal. Standardization Standard platform Generating platforms such as the active D.G., standby D.G., and solar power generator Controller platforms such as the energy control center (ECC) and solar supply unit (SSU) Energy storage platforms such as the deep cycle battery (DCB-A), fast cycle battery (FCB), and solar cycle battery (SCB). Standard element management system, namely, the Network Ecosystem (NetEco) (Note:HTTP is not a secure protocol) Flexible combination Intelligent Management The total cost of ownership (TCO) is minimized by combining the D.G., mains, Solar Power System, and storage batteries flexibly. The D.G., Solar Power System, or mains can be used as the active power source based on site requirements. Smooth capacity expansion and evolution are supported. 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. 2

9 2 Functions and Features 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 Standard and scenario-dedicated solution Series components and flexible configurations Local purchase High integration and rapid installation Few maintenance times Intelligence Description Three scenarios: mains absence, low mains quality, and mains unsteadiness Three solutions: Combination of the D.G. and storage batteries (D.G. being the active power source) Combination of the Solar Power System and the D.G., mains, or storage batteries (the Solar Power System being the active power source) Combination of the mains and the Solar Power System, D.G., or storage batteries (the mains being the active power source) Cabinet: The small or large integrated cabinet is used as required. Temperature control mode: The natural-ventilation unit, heat exchanger, and air conditioner can be combined flexibly. Non-core components such as the soundproof canopy, fuel tank, cabinet, engine, and generator can be locally purchased. Allows SSUs and power supply units (PSUs) to be installed together with high density and efficiency, reducing the equipment volume and floor area. Requires fewer maintenance times than before for the D.G., air filter, engine oil filter, and fuel filter. Automatically adds oil, diagnose the state of health (SOH), and uses a theft prevention design. 3

10 2 Functions and Features Function or Feature Value added features Description 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, and fuel adding warning. 4

11 3 Architecture 3 Architecture 3.1 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 3-1 shows the network diagram of the systems. Figure 3-1 shows network diagram. Figure 3-1 Network diagram 5

12 3 Architecture 3.2 EPS The EPS supplies power to the ICC for power conversion and distribution. Table 3-1 describes EPS component functions. Table 3-1 EPS component functions Subsystem Component Function D.G. system Active D.G. Supplies alternating current (AC) power by Standby D.G. converting chemical energy into electric energy. Intelligent fuel tank Contains fuel and reports fuel level. Photovoltaic (PV) system PV module PV module support Junction box Converts solar energy into electric energy. Supports PV modules and uses a theft prevention design. Allows PV arrays to be connected in parallel and supplies solar power to the ICC. NOTE An active D.G. has a life cycle of 20,000 hours and runs more than 10 hours per day. It charges storage batteries and powers loads. A standby D.G. has a life cycle of 10,000 hours and runs 2 to 4 hours per day. It charges storage batteries and powers loads. 3.3 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. The ICCs used in the PowerCube 1000 include the ICC300-H1, ICC500-HA1, ICC900-HD2, ICC900-HA2, and ICC900-DD2. Table 3-2 describes ICC component functions. 6

13 3 Architecture Table 3-2 ICC component functions Component Function ECC 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. Photovoltaic distribution unit (PVDU) DC distribution unit (DCDU) AC distribution unit (ACDU) Integrated distribution unit (IDU) SSU PSU BC ATS (optional) DC-DC converter (48 V DC into 24 V DC, optional) Inverter (optional) Provides input ports for PV modules. Provides ports for direct current (DC) power distribution. Provides ports for AC power distribution. Integrates the ECC, SSU, DC-DC converter (48 V DC into 24 V DC), PSU, ACDU, DCDU, AC transfer switch (ATS), and PVDU (optional). Regulates the voltage of PV modules with MPPT technology. Converts AC input into 48 V DC output. Converts 48 V DC input into 12 V DC output to charge the D.G. storage battery. Switches between AC power sources. Converts 48 V DC input into 24 V DC output. The specific device type is the Embedded Telecom Power 24160A3 (ETP24160A3). Converts DC input into AC output. 3.4 ESC The energy storage cabin (ESC) stores backup power and works as a power source in the PowerCube Table 3-3 describes ESC component functions. Table 3-3 ESC component functions Subsystem Component Function Fast cycle battery (FCB) Stores energy and converts between electric energy 7

14 3 Architecture Subsystem Component Function Deep cycle battery (DCB-A) and chemical energy alternately. Solar cycle battery (SCB) 3.5 Cabinet System The cabinet houses and protects the EPS, ICC, and ESC, and ensures that they work at an appropriate temperature. Table 3-4 describes cabinet configurations. Table 3-4 Cabinet configurations Cabinet of the ICC Temperature Control Mode for the Energy Control Cabin ESC Temperature Control Mode Supported Storage Battery Supported Energy Control Subrack ICC300-H 1 Heat exchanger N/A N/A DCDU-400A1+PV DU-60A1 The ACDU is optional ICC500-H A1 Heat exchanger DC air conditioner A maximum of one 650 Ah FCB string ACDU-63A1+DCD U-400A1 ICC900-H D2 Heat exchanger Natural-ventilat ion unit A maximum of two DCB-A strings (each DCB-A string being 600 Ah, 490 Ah, or 420 Ah) IDU-300A1 ICC900-H A2 Heat exchanger DC air conditioner A maximum of two DCB-A strings (each DCB-A string being 600 Ah, 490 Ah, or 420 Ah) IDU-300A1 8

15 3 Architecture Cabinet of the ICC Temperature Control Mode for the Energy Control Cabin ESC Temperature Control Mode Supported Storage Battery Supported Energy Control Subrack ICC900-D D2 Natural-ventilat ion unit Natural-ventilat ion unit A maximum of two DCB-A strings (each DCB-A string being 600 Ah, 490 Ah, or 420 Ah) IDU-300A1 SCB cabinet N/A Cooling as the ambient temperature drops A maximum of one 800 Ah SCB string N/A 3.6 Network Monitoring and Management System 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 3-2 shows network monitoring and management system. Figure 3-2 Network monitoring and management system 9

16 4 Application Scenarios and Configurations 4 Application Scenarios and Configurations 4.1 Application Scenarios The PowerCube 1000 applies to the new or modernized sites in the areas with Class 4 electrical grids. The sites can be without mains, with unsteady mains, and with low mains quality. 4.2 Solution Configuration Table 4-1 describes the solution configurations for new sites. Table 4-1 Solution configurations for new sites Scena rio Featur e Networ king Mode EPS ICC Cabinet ICC Configuration ESS Configur ation Number No mains PV+SC B PV module, PV module support, and solar junction box (SJB) ICC300-H1 DCDU-400A1, PVDU-60A1, and S4850G1 SCB New configurati on 1 PV+EPS +DCB-A EPS150-C 1, PV module, PV module support, and SJB ICC300-H1 DCDU-400A1, PVDU-60A1, S4850G1, R4850G2, and BC1203 DCB -A New configurati on 2 10

17 4 Application Scenarios and Configurations Scena rio Featur e Networ king Mode EPS ICC Cabinet ICC Configuration ESS Configur ation Number No mains EPS+DC B-A EPS125-H 1 or EPS125-H 2 ICC900-HA2, ICC900-HD2, or ICC900-DD2 IDU-300A1, R4850N1 (or R4850G1), and BC1203 DCB -A New configurati on 3 Low mains quality PV+Mai ns+dcb -A Mains, PV module, PV module support, and SJB ICC300-H1 DCDU-400A1, ACDU-63A1, PVDU-60A1, S4850G1, and R4850G2 DCB -A New configurati on 4 EPS+Ma ins+dc B-A EPS150-C 1 and mains ICC900-HA2, ICC900-HD2, or ICC900-DD2 IDU-300A1, R4850N1 (or R4850G1), and BC1203 DCB -A New configurati on 5 PV+Mai ns+dg+ DCB-A EPS150-C 1, mains, PV module, PV module support, and SJB ICC900-HA2, ICC900-HD2, or ICC900-DD2 IDU-300A1, S4850G1, R4850N1 (or R4850G1), and BC1203 DCB -A New configurati on 6 Unstea dy mains Mains+F CB Mains ICC500-HA1 DCDU-400A1, ACDU-63A1, and R4850G2 FCB New configurati on 7 Figure 4-1 shows ICC300-H1 for new configuration 1, 2 and 4. Figure 4-1 ICC300-H1 for new configuration 1, 2 and 4 11

18 4 Application Scenarios and Configurations Figure 4-2 shows ICC900-HA2 for new configurations 3 and 5. Figure 4-2 ICC900-HA2 for new configurations 3 and 5 Figure 4-3 shows ICC500-HA1 for New configuration 6 and 7 (front view and rear view). Figure 4-3 ICC500-HA1 for New configuration 6 and 7 (front view and rear view) Table 4-2 describes the solution configurations for modernized sites. 12

19 4 Application Scenarios and Configurations Table 4-2 Solution configurations for modernized sites Scenari o Feature Networ king Mode EPS ICC Cabinet ICC Configurati on ESS Configurat ion Number No mains No mains Low mains quality PV+DG +DCB-A PV+DG +DCB-A DG+DC B-A DG1+D G2+DC B-A DG1+D G2+DC B-A DG+Mai ns+dcb -A Reused D. G., PV module, PV module support, and SJB Reused D. G., PV module, PV module support, and SJB Reused D. G. Reused D. G. and EPS125-H 1 (or EPS125-H 2) Double reused diesel generators Reused D. G. and mains ICC300-H1 ICC300-H1 ICC900-HA2 or ICC900-HD2 or ICC900-DD2 ICC900-HA2, ICC900-HD2, or ICC900-DD2 ICC900-HA2, ICC900-HD2, or ICC900-DD2 ICC900-HA2, ICC900-HD2, or ICC900-DD2 DCDU-400A 1, PVDU-60A1, ATS-63A1, D.G. input/output (I/O) board, S4850G1, R4850G2, and BC1203 DCDU-400A 1, PVDU-60A1, ATS-63A1, D.G. I/O board, S4850G1, reused PSU, and BC1203 IDU-300A1, D.G. I/O board, R4850N1 (or R4850G1), and BC1203 IDU-300A1, D.G. I/O board, R4850N1 (or R4850G1), and BC1203 IDU-300A1, D.G. I/O board, R4850N1 (or R4850G1), and BC1203 IDU-300A1, D.G. I/O board, R4850N1 (or R4850G1), and BC1203 DCB -A DCB -A DCB -A DCB -A DCB -A DCB -A Modernized configuratio n 1 Modernized configuratio n 2 Modernized configuratio n 3 Modernized configuratio n 4 Modernized configuratio n 5 Modernized configuratio n 6 13

20 5 Model Number Description 5 Model Number Description Table 5-1 describes the models of the subsystems and major components of the PowerCube Table 5-1 Models of the subsystems and major components Subsystem or Component Integrated Controller and Converter Acronyms ICC Model ICC300-H1, ICC500-HA1, ICC900-HD2, ICC900-HA2, ICC900-DD2 Energy Plant System EPS EPS125-H1, EPS125-H2, EPS150-C1 Energy Storage System ESS N/A Energy control center ECC ECC500 Solar Supply Unit SSU S4850G1 Power Supply Unit PSU R4850G2(1U), R4850N1(2U), R4850G1(2U) Photovoltaic Distribution Unit PVDU PVDU-60A1 DC Distribution Unit DCDU DCDU-400A1 Automatic Transfer Switching ATS ATS-63A1 AC Distribution Unit ACDU ACDU-63A1 Solar Cycle Battery SCB N/A Deep Cycle Battery DCB-A DCB-A-300A, DCB-A-420A, DCB-A-490A, DCB-A-600A Fast Cycle Battery FCB FCB-200A, FCB-400A, FCB-650A Battery Charger BC BC1203 Solar Junction Box SJB N/A DC-DC converter N/A ETP24160A3 14

21 5 Model Number Description Subsystem or Component Acronyms Model Inverter N/A DJN1000-S 15

22 6.1 Cabinet System ICC300-H1 The ICC300-H1 is protected to IP55 and uses a heat exchanger to control temperatures. Figure 6-1 shows the ICC300-H1 exterior and Figure 6-2 shows the ICC300-H1 interior. Figure 6-1 ICC300-H1 exterior 16

23 Figure 6-2 ICC300-H1 interior Table 6-1 describes ICC300-H1 technical specifications. Table 6-1 ICC300-H1 technical specifications Item Dimensions (H x W x D) Color Installation Cable routing Maintenance mode Protection level Temperature control unit (TCU) Description 700 mm x 600 mm x 480 mm RAL7055, orange-peel texture (for outdoor cabinets) Installed on a floor Routed from the bottom Maintained from the front and located along a wall with at least 100 mm rear clearance IP55 Heat exchanger ICC500 Series Cabinet An ICC500 series cabinet uses heat exchangers or DC air conditioners to control internal temperatures. The protection level varies based on the TCU. Table 6-2 lists the mapping between TCUs and protection levels. Table 6-2 Mapping between TCUs and protection levels ICC Dimensions (H x W x D) TCU Protection level ICC500-HA mm x 770 mm x 1250 mm Heat exchanger+dc air conditioner IP55 17

24 Figure 6-3 show an ICC500 series cabinet. Figure 6-3 ICC500-HA1 series cabinet exterior (front view and rear view) ICC900 Series Cabinet An ICC900 series cabinet consists of an ESC and energy control cabin. Table 6-3 lists the technical specifications of an ICC900 series cabinet. Table 6-3 Technical specifications of an ICC900 series cabinet Item Dimensions (H x W x D) Weight Color Installation Cable routing Maintenance TCU Description 2110 mm x 1755 mm x 965 mm 500 kg (empty cabinet) Huawei gray Installed on a floor Routed from the bottom The ESC is maintained from the front and the energy control cabin is maintained from the front and rear. ICC900-HA2: DC air conditioner (in the ESC) and heat exchanger (in the energy control cabin) ICC900-HD2: natural-ventilation unit (in the ESC) and heat exchanger (in the energy control cabin) ICC900-DD2: natural-ventilation unit (both in the ESC and energy control cabin) 18

25 Item Protection level Description ICC900-HD2: IP55 for the ESC (when a natural-ventilation unit is used) IP34 for the energy control cabin (when a heat exchanger is used) ICC900-HA2: IP55 (when both a DC air conditioner and a heat exchanger are used) ICC900-DD2: IP55 (when both the ESC and energy control cabin use a natural-ventilation unit) Figure 6-4 show an ICC900 series cabinet. Figure 6-4 ICC900 series cabinet exterior SCB Cabinet Appearance Figure 6-5 shows a SCB cabinet. 19

26 Figure 6-5 SCB cabinet Functions Technical Specifications An SCB cabinet houses and protects SCBs and ensures that SCBs work at an appropriate temperature. Table 6-4 describes SCB cabinet technical specifications. Table 6-4 SCB cabinet technical specifications Item Shape Dimensions (H x W x D) Color Weight Installation Cable routing Maintenance Protection level TCU Description Rectangular cuboid 1000 mm x 1650 mm x 990 mm Huawei gray < 160 kg The SCB cabinet can be assembled onsite by using only screwdrivers. All external screws are level 3 antitheft bolts. Cables are routed on one side of the cabinet. After captive screws are loosened, the top cover can be slid. The left and right side panels can be removed easily. IP24 Cooling as the ambient temperature drops 20

27 Item Environmental protection Description Complies with the restriction of the use of certain hazardous substances (RoHS) and waste electrical and electronic equipment (WEEE) Environmental specifications Temperature range: 40 C to +60 C Humidity: 5% 100% RH Altitude: < 6000 m Applicable to outdoor scenarios and Class C environments 6.2 ICC Components 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 Features 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. 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: V DC. Rated voltage: 53.5 V DC. 21

28 Maximum output power: 3000 W. Is protected against input reverse connection PSU Appearance The R4850G2 is 1 U high. Figure 6-7 shows an R4850G2. The R4850N1 and R4850G1 are 2 U high. Figure 6-8 shows R4850N1 and R4850G1. Figure 6-7 R4850G2 front panel (1) Power indicator (2) Alarm indicator (3) Fault indicator Figure 6-8 R4850N1 and R4850G1 Functions The PSU convert AC power into 48 V DC power. Features PSU has 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. 22

29 6.2.3 ECC500 Appearance Figure 6-9 shows an ECC500. Figure 6-9 ECC500 (1) Main control board (2) Extension DO board (3) GPRS board (4) Extension IO board (5) D.G. IO board (6) Basic IO board Functions Features PVDU-60A1 Appearance 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. 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 parameters of modules and storage batteries on the liquid crystal display (LCD) in real time. Figure 6-10 shows a PVDU-60A1. 23

30 Figure 6-10 PVDU-60A1 Functions DCDU-400A1 Appearance The PVDU-60A1 collects power from PV modules and supplies power to the DCDU-400A1. The PVDU-60A1 provides four wiring terminals to connect to the negative input terminals of PV modules. It also provides four input circuit breakers to connect to the positive input terminals of PV modules. The DCDU-400A1 consists of a power distribution subrack and an ECC500. Figure 6-11 shows an DCDU-400A1. The DCDU-400A1 can be configured with PSUs and SSUs. Figure 6-11 DCDU-400A1 (1) DCDU (2) ECC500 (3) PSU or S4850G1 slot NOTE SSUs can only be installed in the lower layer in slot. 24

31 Functions Provides one 300 A power input port and two 250 A battery fuse ports. Provides two 32 A circuit breakers and one 16 A circuit breaker for major loads and one 125 A circuit breaker and two 63 A circuit breakers for minor loads. Provides two 48 V, 2 A DC output ports. Provides a maintenance button for connecting storage batteries manually. Performs surge protection on load circuit breakers for output. Differential mode: 10 ka. Common mode: 20 ka. Allows cables to be routed from the left and right of the front panel and be connected from the front. Reserves a signal port for connecting to a power system ACDU-63A1 Appearance Figure 6-12 shows an ACDU-63A1. Figure 6-12 ACDU-63A1 panel Functions Provides one three-phase 220 V AC input and one 3-pole 63 A AC circuit breaker. (Optional) Provides one 10 A European standard maintenance socket with a ground fault circuit interrupter (GFCI). Provides one three-phase 220 V AC output and one 3-pole 63 A AC circuit breaker. Provides one single-phase 220 V AC output and one 1-pole 16 A AC circuit breaker. Performs AC surge protection: Differential mode: 20 ka. Common mode: 40 ka. Generates alarms over dry contacts. 25

32 6.2.7 BC1203 Appearance Figure 6-13 shows a BC1203. Figure 6-13 BC1203 Functions Features ATS-63A1 Appearance The BC1203 is installed in the DCDU and converts 48 V DC to +12 V DC to charge the D.G. storage battery. 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. Figure 6-14 shows an ATS-63A1. 26

33 Figure 6-14 ATS-63A1 Function Working Mode ETP24160A3 Appearance The ATS is an automatic switch system integrating control modules and power distribution modules. It supports inputs from the two power sources and switches the power inputs from diesel generator (D.G.) 1 and the mains or from D.G. 1 and D.G. 2. The power source can switch to D.G. 1 by turning the bypass switch. The ATS has the following functions: AC power distribution: The ATS provides one AC output, one 10 A AC output, and one maintenance socket output (optional). Bypass: The ATS provides a bypass switch, over which power source can switch to D.G.1. Real-time monitoring: The ATS monitors the voltage, current, frequency, and power of three-phase outputs. Protection: The ATS is protected against overvoltage, undervolatge, Alarm: open-phase of the D.G. and mains supply. Communicates with the ECC500. The ATS-63A1 can be operated automatically(auto) or manually(bypass). The ETP24160A3 consists of a power distribution module (PDM), a backplane, DC-DC converters, and monitoring ports. Figure 6-15 shows an ETP24160A3. 27

34 Figure 6-15 ETP24160A3 (1) Load circuit breaker F1 (5) Load circuit breaker F5 (2) Load circuit breaker F2 (6) Load circuit breaker F6 (3) Load circuit breaker F3 (7) DC input port on the DC-DC converter (4) Load circuit breaker F4 (8) DC-DC converter Functions The ETP24160A3 converts 48 V DC into +24 V DC, distributes power, and reports alarms. Features IDU-300A1 Appearance The ETP24160A3 has the following features: Converts 48 V DC into +24 V DC. Provides four 100 A and two 32 A power supplies for loads. Provides two dry contacts for reporting alarms. Uploads operating information such as the voltage and current as well as DC-DC converter fault alarms to the main control unit (MCU) over the CAN. The output voltage range of the ETP24160A3 is set on the MCU. Allows you to query component information recorded on electronic labels. DC-DC converters are hot-swappable. Can be maintained from the front. The highest efficiency is 92%. An IDU-300A1 integrates the functions of the ACDU, DCDU, ATS, and PV module (optional) and reserves space for the ECC500, SSU, PSU, and DC-DC converter (48 V DC into 24 V DC). Figure 6-16 shows an IDU-300A1. 28

35 Figure 6-16 IDU-300A1 Configurations Table 6-5 describes IDU-300A1 configuration. Table 6-5 IDU-300A1 configuration description Component PSU SSU SSU subrack Monitoring module Monitoring module subrack AC power distribution DC power distribution PV power distribution (optional) Description R4850N1 with a rated output of 50 A S4850G1 with a rated output of 50 A 1 U high (optional, space reserved) ECC500+monitoring unit of the ATU+interface board of the DCDU 2 U high Two 4-pole 63 A general input circuit breakers Two 4-pole 40 A AC contactors Four level C surge protection devices (SPDs), three for live wires and one for a protective earth (PE) wire Space reserved for one 1-pole 10 A AC output circuit breaker and one AC maintenance socket with a GFCI. Two 160 A battery fuses Two 32 A, three 16 A, and two 10 A circuit breakers for major loads Two 80 A and two 20 A circuit breakers for minor loads Space reserved for four 1-pole 63 A DC input circuit breakers. Space reserved for four negative input terminals (UT16 terminals). 29

36 Component Battery switch Description Used for connecting battery contactors manually. Functions Provides 48 V DC power supply. Is embedded with a three-phase AC-DC converter that includes hot-swap PSUs and SSUs (optional). Provides multiple DC outputs for communications equipment and transmission equipment. The outputs can be disconnected separately as required. Is embedded with SPDs that protect AC and DC power ports, monitoring ports, and communications ports from surge. The monitoring module manages PSUs and storage batteries, performs battery low voltage disconnection (BLVD) and load low voltage disconnection (LLVD). It also provides RS485 communications ports and dry contacts to ensure that equipment can be monitored remotely and work in unattended mode. Communication, control, and alarm reporting. The monitoring module communicates with other equipment, supports remote management and online upgrade, monitors and controls the IDU operating status, and reports alarms in a timely manner. A faulty PSU, SSU, or monitoring module is isolated from the IDU automatically, without interrupting the IDU operation. Storage batteries can be connected manually. Currents can be shared among PSUs if the monitoring module is faulty. The monitoring module has an electrical label. The monitoring module manages storage batteries effectively to ensure their proper operation. The IDU provides electrical ports for connecting to storage batteries and ports for connecting to a battery temperature sensor and detecting signals DJN1000-S Appearance Figure 6-17 shows a DJN1000-S. Figure 6-17 DJN1000-S (1) DC input port (2) Switch (3) Air exhaust vents (4) SPD (5) All-purpose output socket (6) Indicator 30

37 (7) Dry contact (8) AC input and output terminal Functions Technical Specifications The DJN1000-S converts DC input into AC output. Table 6-6 describes DJN1000-S technical specifications. Table 6-6 DJN1000-S technical specifications Item Rated capacity Specifications 1000 VA/700 W AC input Rated voltage 230 V AC Rated frequency 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 Dimensions (H x W x D) One AC output wiring terminal and one all-purpose socket 43.5 mm x 440 mm x 286 mm 6.3 EPS D.G. Appearance The diesel generators used in the PowerCube 1000 can be classified into active diesel generators and standby diesel generators based on their usage. Figure 6-18 shows an active D.G. Figure 6-19 shows a standby D.G. 31

38 Figure 6-18 Active D.G. Figure 6-19 Standby D.G. Functions The D.G. converts chemical energy into electricity. In a D.G., the engine converts thermal energy into mechanical energy, and then the generator converts mechanical energy into electricity. 32

39 Features Table 6-7 describes the D.G. features. Table 6-7 D.G. features Item Specifications EPS125-H1 EPS125-H2 EPS150-C1 Capacity 12.5 kva, 10 kw 15 kva, 12 kw Engine Output 1500 rpm, water-cooled Service life: 20,000 hours 50 Hz, 230 V/400 V, three-phase, four-wire 1500 rpm, water-cooled Service life: 10,000 hours Noise (75% load) (75% load) Fuel tank volume 800 L 200 L Maintenance interval 250 hours 1000 hours 250 hours Dimensions (H x W x D) 1825 mm x 1800 mm x 950 mm (including the base) 1550 mm x 1800 mm x 950 mm (including the base) Weight 850 kg (excluding fuel) 850 kg (excluding fuel) 800 kg (excluding fuel) Operating temperature Altitude 15 C to +50 C A start device is required when the temperature is below 5 C. The output power should be derated when the temperature is above 40 C. When the altitude exceeds 1000 m, the output power should be derated. Others Active D.G. Power: 10 kw Service life: 20,000 hours Standby D.G. Power: 12 kw Service life: 10,000 hours PV Module Appearance Figure 6-20 shows a PV module. 33

40 Figure 6-20 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) PV Module Support Appearance A PV module supports 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

41 Table 6-8 PV module support appearance and features Support Type Standard support Appearance Feature Each standard support holds four PV modules in position and can be extended limitlessly. Scalable low support Scalable low supports can be extended flexibly by 4, 8, or 12 PV modules. Such a support reduces floor area and allows battery cabinets and communications equipment to be installed under it. Scalable high support Scalable low supports can be extended flexibly by 4, 8, or 12 PV modules. Such a support reduces floor area and allows battery cabinets and communications equipment to be installed under it. Such a support features optimal theft prevention compared with the other types of supports. Features A PV module support has the following features: Is designed to prevent theft and secured by dedicated antitheft bolts. Can be adjusted to 15, 25, 35, or 45 degree to meet various installation requirements. Can be extended flexibly. Is safe and reliable, withstanding the wind speed of 144 km/h. Is easy to install and remove. 35

42 6.3.4 SJB Appearance Figure 6-21 shows a solar junction box. Figure 6-21 Solar Junction box Functions A junction box 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 junction boxes can be used based on site requirements. Junction boxes provide different power inputs for the solar controller. Figure 6-22 shows the connections between PV modules and junctions boxes. 36

43 Figure 6-22 Connections between PV modules and solar junction boxes Features A solar junction box has the following features: Is protected to IP55. Is embedded with reverse connection protection circuits. Is embedded with surge protection circuits. 6.4 ESC SCB Appearance Figure 6-23 shows an SCB. 37

44 Figure Ah SCB Functions An SCB stores energy and supplies power when the main power source fails. Features DCB-A Appearance SCBs are developed by Huawei and have the following features: Can be charged and discharged in shallow cycles with small current. Applies to high temperatures. Can be charged and discharged 1500 times at 35ºC when the depth of discharge (DOD) is 30%, or be charged and discharged 2500 times at 25ºC when the DOD is 30%. Can be charged in a large current and certain electricity can be restored if overcharge occurs. Figure 6-24 shows a DCB-A. 38

45 Figure 6-24 DCB-A Features A DCB-A has the following features: Can be charged in a large current. The low self discharge ratio enables DCB-As to be used for two years at 25 C and restores the rated capacity by 100%. A DCB-A can be charged and discharged 2000 times at 25ºC when the DOD is 60% FCB Appearance Figure 6-25 shows a FCB. 39

46 Figure 6-25 FCB Functions An FCB applies to an electrical grid with unstable electricity. If the mains is available, an FCB allows a high charge current. If the mains is unavailable, an FCB supplies power to communications equipment. Features An FCB has the following features: Can be charged in a maximum of 0.3C current, which reduces 50% charge duration. Efficiency is higher than 90%. Can be charged and discharged 1500 times at 25 C when the DOD is 40%. 40

47 A Glossary A Glossary A active D.G. A D.G. with a life cycle of 20,000 hours and running more than 10 hours every day. It charges storage batteries and powers loads. L low mains quality Pertaining to the outage duration greater than 12 hours per day. M mains absence mains unsteadiness Pertaining to the outage duration 24 hours per day. Pertaining to the outage duration less than 12 hours per day. N new site A site where all equipment is provided by Huawei. S standby D.G. A D.G. with a life cycle of 10,000 hours and running 2 to 4 hours every day. It charges storage batteries and powers loads. 41

48 B Acronyms and Abbreviations B Acronyms and Abbreviations A AC ACDU ATS alternating current alternating current distribution unit AC transfer switch B BC battery charger C CAPEX capital expenditure D DC DCB-A DCDB DCDU DOD D.G. direct current deep cycle battery direct current distribute box direct current distribute unit depth of discharger diesel generator E ECC EPS ESS energy control center energy plant system energy storage system 42

49 B Acronyms and Abbreviations F FCB fast cycle battery G GPRS general packet radio service I ICC IDU Integrated Controller and Converter 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 PV PVDU power supply unit photovoltaic photovoltaic distribution unit S SCB SOH SPD SSU solar cycle battery state of health surge protection device solar supply unit 43

50 B Acronyms and Abbreviations T TCO total cost of ownership V VRLA valve regulated lead acid W WEEE waste electrical and electronic equipment 44