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Huawei LUNA2000-2.0MWH-4 H1 Quick Manual

Huawei LUNA2000-2.0MWH-4 H1 Quick Manual

Medium-voltage microgrid energy storage solution
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Medium-Voltage Microgrid Energy Storage
Solution
Quick Guide
Issue
09
Date
2024-05-10
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei LUNA2000-2.0MWH-4 H1

  • Page 1 Medium-Voltage Microgrid Energy Storage Solution Quick Guide Issue Date 2024-05-10 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 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"...

  • Page 3: About This Document

    Indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury. Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 4: Change History

    Start). Issue 07 (2024-01-30) Modified 2 Check and Preparation Before Power-On. Modified 3.2.1.3 Powering On the ESS. Modified 3.3.2 Commissioning Using the Deployment Wizard. Issue 06 (2023-10-30) Modified 1.1 Networking Architecture. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Removed the CAN communications cables between PCSs and deleted "Setting CAN Build-out Resistors" accordingly. Added the description about PSU installation, fire suppression system test, and solenoid valve installation to 2 Check and Preparation Before Power-On. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 7 Powering On the System (ESS Black Start) – B Reference Documents – C List of Alarms Affecting Topology Identification Issue 01 (2022-08-20) This issue is used for first office application (FOA). Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    6 Powering On the System (External Power Supply)............49 6.1 Overall Process..................................49 6.2 Powering On the PV Array..............................50 6.3 Powering On the ESS Array............................... 50 6.3.1 Powering On the STS............................... 50 Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 8 7 Powering On the System (ESS Black Start)..............59 A FAQs............................63 B Reference Documents......................64 C List of Alarms Affecting Topology Identification............66 D Typical Communication Point list..................69 E Contact Information......................71 F Acronyms and Abbreviations....................73 Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Solution Introduction

    Medium-Voltage Microgrid Energy Storage Solution Quick Guide 1 Solution Introduction Solution Introduction 1.1 Networking Architecture Medium-Voltage AC Coupling Figure 1-1 Networking (medium-voltage AC coupling) Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 10 ESS is one of the following models. The DCBOX is not required for other ESS models. ● LUNA2000-2.0MWH-1 ● LUNA2000-2.0MWH-2 H1 with the BOM number 01075975-011 ● LUNA2000-2.0MWH-4 H1 with the BOM number 01076385-002 Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 15 and the number of PCSs is less than or equal to 34. – Dual networks for monitoring and control are not needed in the northbound. – Ring networks for monitoring and Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 ● In other cases or when the JUPITER-9000K-H0 is used, the SmartACU2000D-D-06 is used in the ESS array. In this case, a third-party transformer station must be configured with the IMD from either DOLD or BENDER. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 13 Purchased by the specifications: single- customer. phase 220 V AC ● Power requirements: depending on the power of each device and the number of devices Microgrid central Purchased by the controller (MGCC) customer. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: System Wiring Diagram

    The actual configuration may vary. Power Cable Connections Medium-voltage AC coupling scenario: The UPS supplies power to the STS, ESS, and MGCC. The STS supplies power to the SACU. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 The number of DTSs connected to a single JUPITER-9000K-H0 cannot exceed four, the number of PCSs cannot exceed 44, and the total number of DTSs and PCSs cannot exceed 44. Figure 1-2 Power cable connections (with the SmartACU2000D-D-06) Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Signal Cable Connections

    It supports three southbound FE ring networks and each FE ring network supports a maximum of 15 PCSs. It supports two southbound fiber ring networks and each fiber ring network supports a maximum of 15 ESSs. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 34 PCSs and 15 ESSs. It supports one southbound FE ring network and each FE ring network supports a maximum of 15 PCSs. It does not support southbound fiber ring networks. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 PID module while the SmartACU2000D-D-00 has no PID module. ● In Figure 1-5, the STS communicates with the SACU over RS485. In this case, the STS must be either STS-3000K-H1 or STS-6000K-H1. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Check And Preparation Before Power-On

    Step 3 Visually check that the phase sequence of the AC power cables between the PCS and the transformer is correct. Step 4 Install the PSU in the ESS. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 Step 5 Check the switch status according to the following table. If a third-party transformer station is configured in the system, check the status by referring to the documents provided by the vendor. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 Screw the reset device into the solenoid valve so that the plunger of the valve is not activated, as shown in the following figure. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 Figure 2-3 Resetting the plunger of the solenoid valve Install the solenoid valve. WARNING For non-emergency manual operations, do not remove the safety pull ring. A safety pin is equipped only for certain models. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 Medium-Voltage Microgrid Energy Storage Solution Quick Guide 2 Check and Preparation Before Power-On Figure 2-4 Installing the solenoid valve ----End Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: System Power-On And Commissioning

    PV array on the STS low-voltage side. Turn on the corresponding switch of the SACU by referring to the SACU user manual. Turn on the corresponding switch of the inverter by referring to the inverter user manual. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Powering On The Ess Array

    Turn on the UPS cable inlet switch. (The position for the UPS switch is reserved. You need to install the UPS switch.) Turn on the adapter switch and power switch of the extinguishant control panel. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Powering On The Sts

    (Optional) Turn on the switch on the output side of the STS auxiliary transformer. Ensure that the power supply to the secondary loop of the STS is normal. Turn on the switch between the STS and the PCS AC side. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Powering On The Dts

    SmartLogger3000 User Manual . ''Preparations and WebUI Login'' in the Step 1 Log in to the SmartLogger WebUI, and choose Monitoring > Logger(Local) > About to check the SmartLogger software version. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Commissioning Using The Deployment Wizard

    3.3.2 Commissioning Using the Deployment Wizard Step 1 Set basic parameters. Figure 3-2 Setting basic parameters Step 2 Click Maintenance, choose Device Mgmt. > Connect Device, and check that the devices are connected. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 ● If the STS model is STS-3000K-H1 or STS-6000K-H1, perform the following steps to check and upgrade the STS software version after step Step 10 complete. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 Figure 3-5 Changing the device name Step 5 Clear alarms. Clear the alarms that affect topology identification by referring to C List of Alarms Affecting Topology Identification, and then search for the devices. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 ● After a device is added or deleted, you need to click Search for Device again in Deployment Wizard. Otherwise, the system topology will not be updated. Step 7 After searching for devices, set parameters such as Scenario, Microgrid compatibility, and Grid Code as required. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Medium-Voltage Microgrid Energy Storage Solution Quick Guide 3 System Power-On and Commissioning Figure 3-7 Parameter settings after device search (SmartLogger V300R023C10 is used as an example) Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 ● If Scenario is set to On-grid, set Working mode to Parameter Configuration ● If Scenario is set to Off-grid, set Working mode to VSG. ● If Scenario is set to On/Off-grid, set Working mode to PQ or VSG. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 Baseline (kVA) under which is also used as the baseline for reactive power Parameter scheduling. Configuration Maximum Overload Set the maximum overload active power for grid Active Power (kW) forming. under Parameter Configuration Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Param. > Temper And Hum to view and set the control mode. ● If the air conditioner control mode is manual, choose Monitoring > HAVC > Running Param., and click to start the air conditioner. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 ● If a high-rate system is used in the low-rate scenario, it is prone to low efficiency, high power consumption, and current limiting. ● The Company is not liable for any system exception or Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Set this parameter to 9600. Parity Set this parameter to None. Stop Bit Set this parameter to 1. Start Start address ≤ STS Retain the default value 1. address communications address ≤ End address Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 "Adding STS Parameters" in the STS-(3000K, 6000K)-H1 Smart Transformer Station User Manual . – JUPITER-9000K-H0: See "Setting STS Parameters" and "WLAN Wakeup" JUPITER-9000K-H0 Smart Transformer Station User Manual . in the Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 "Setting PID Module Parameters" in the SmartLogger3000 User Manual . Step 13 Connect to the meter. Set related parameters by referring to "Setting Meter Parameters" in the SmartLogger3000 User Manual . Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 Figure 3-8 Setting meter parameters Step 14 Connect environment monitoring devices. Figure 3-9 Setting environmental monitoring instrument (EMI) parameters Step 15 Set battery control parameters. Figure 3-10 Setting battery control parameters Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 SOC settings will be overridden so that the ESS can be fully charged or discharged. ● If this parameter is set to Disable, automatic charge and discharge calibration is not allowed for battery racks. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 The default value is recommended. Set this parameter as communication required. disconnection NOTE In the low-voltage coupling scenario, if the PV+ESS capacity exceeds the transformer station capacity, you are advised to set this parameter to Enable. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Medium-Voltage Microgrid Energy Storage Solution Quick Guide 3 System Power-On and Commissioning Step 16 Connect to a Huawei network management system (NMS). Set related parameters by referring to "Setting Parameters for Connecting to the Management System" (content related to a Huawei NMS) in the SmartLogger3000 User Manual .

  • Page 44: Optional) Checking The Phase Sequence

    PCS and the STS are consistent. If the phase sequences are inconsistent, off-grid operation may be abnormal. Check the phase sequence only when there is no power supply on the STS medium-voltage side. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Optional) Unplanned Seamless Switching From On-Grid To Off-Grid Mode

    (VSG) mode of the microgrid, perform the following steps to set parameters. In addition, the third-party MGCC needs to implement this function based on the communication protocol and point list provided by Huawei. For details, see Typical Communication Point list.
  • Page 46 Step 2 Set Microgrid compatibility to Enable for all inverters in the PV array. Step 3 Choose Monitoring > PCS > Running Param. > Feature Parameters, and set the working mode of all PCSs in the ESS array to VSG. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Optional) Planned Seamless Switching From On-Grid To Off-Grid Mode

    NO TICE In addition to performing the following steps, a third-party MGCC is required to implement this function based on the communications protocol and point list provided by Huawei. For details, see D Typical Communication Point list. Step 1 After logging in to the SmartLogger WebUI, perform commissioning according to the deployment wizard.

  • Page 48: Optional) Seamless Switching From Off-Grid To On-Grid Mode

    NO TICE In addition to performing the following steps, a third-party MGCC is required to implement this function based on the communications protocol and point list provided by Huawei. For details, see D Typical Communication Point list. Step 1 After logging in to the SmartLogger WebUI, perform commissioning according to the deployment wizard.

  • Page 49: Optional) Setting The Parameter Cache When The Pcs Is Offline

    In an ESS array, if the PCSs are offline, you can set related parameters on the SmartLogger WebUI and cache the parameters. After the PCSs are powered on, the parameters are automatically delivered from the SmartLogger to all PCSs in the ESS array. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Log in to the SmartLogger WebUI, choose Settings > Battery Control > Battery parameters, and set related parameters by referring to "Setting Battery Control SmartLogger3000 User Manual . Parameters" in the Figure 3-19 Setting the parameter cache when the PCS is offline Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: System Power-On And Commissioning (Pv Black Start)

    4.1 PV Black Start (SmartLogger) If the SmartLogger is powered by an AC auxiliary power supply, perform a PV black start through the SmartLogger. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Company to charge the battery rack. Log in to the SmartLogger WebUI of the ESS array and commission the ESS array by referring to 3.3.2 Commissioning Using the Deployment Wizard. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Pv Black Start (Sun2000 App/Fusionsolar App)

    3. Set Working mode to VSG. 4. Set Microgrid compatibility to Disable. Start the inverter on the SUN2000 app or FusionSolar app, enter the password, and wait for the inverter to connect to the power grid. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 1. Set Scenario to On-grid. 2. Set Working mode to PQ. 3. Set Microgrid compatibility to Enable. Turn on the single-phase input switch QF03 of the SACU in the PV array. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Powering Off The System

    DC voltage to verify that the shutdown is successful. Choose Monitoring > CMU > Running Info. Check the rated power and total output voltage of the rectifier to ensure that the shutdown is successful. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Power off the SACU by performing the operations in reverse order of 3.2.1.2 Powering On the SACU. Power off the UPS by referring to the documents provided by the vendor. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Powering On The System (External Power Supply)

    Log in to the SmartLogger WebUI. Set Running to On-grid (PQ) for the PCS. Send a startup command to the SUN2000, PCS, and Smart Rack Controller. Method 1 (array-level): Choose Maintenance > Connect Device, and click Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Powering On The Pv Array

    This section uses the scenario where three JUPITER-9000K-H0s are cascaded as an example to describe how to power on the STSs. For details about how to power on other STS models, see the corresponding user manual. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 2. Cabinet G2: Turn off the earthing switch and circuit breaker, and turn on the load switch. 3. Cabinet G1: Turn off the earthing switch and turn on the load switch. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 1 turn on the disconnector. 2. Line 1: Turn on the circuit breaker. 3. Inform the personnel at the STSs to check the ring main units after the power-on is complete. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 G2 is off. ● STS 3: The potential indicator of cabinet G1 blinks, and those of cabinets G2 and G3 are off. 2. Check that the sounds of ring main units are normal. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 50 kVA auxiliary transformer Turn on the MCCB 3QA switch on the power supply side of the auxiliary transformer to power on the auxiliary transformer. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 3. Take out keys K7&K9 from Exchange Box 1. Insert key K9 into the interlocking hole of the ACB in LV PANEL B and rotate the key to unlock. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Powering on the IMD loop 1. Turn on the knife fuse switch in LV PANEL B. 2. Check the running status of the IMD in LV PANEL B. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 65: Powering On The Sacu

    Turn on the UPS cable inlet switch. (The position for the UPS switch is reserved. You need to install the UPS switch.) Turn on the switch of the SPD. Turn on the general AC input switch of the ESS. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Powering On The Pcs

    2. Turn on the DC circuit breakers on the DCBOX side. 6.3.6 Powering On the UPS Turn on the general UPS power supply switch. For details, see the documents provided by the manufacturer. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Powering On The System (Ess Black Start)

    MGCC must support GOOSE. ● After the power grid voltage is set up, the inrush withstand capability of the ESS must be met when each load line or load is connected. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 ● ESS array: For details, see 6.3.1 Powering On the STS. on the ● PV array: Turn on the switch that controls the power supply from the STS to the PV array. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Issue a startup command to the PV array through the the PV MGCC or EMS. array Table 7-1 Teleadjust buttons for initiating ESS black start on the MGCC operation interface Teleadjust Value Meaning Disable black start. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Table 7-2 Black start status of the MGCC operation interface Telemetry Value Black Start Status Not started Preparing for black start Ready for black start Establishing voltage for black start Voltage established for black start Black start failed Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 71: A Faqs

    Active power control mode to Remote communication scheduling. ● On the SmartLogger WebUI, choose Settings > Reactive Power Control , and set Reactive power control mode to Remote communication scheduling. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Reference Documents

    SmartACU2000D Smart Array Controller Quick Guide (Dual Opto-Electronic Ethernet Switches) ● SmartACU2000D Smart Array Controller Quick Guide (with No PID Module) ● SmartACU2000D Smart Array Controller Quick Guide (with PID Modules) Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 JUPITER-9000K-H0 Smart Transformer Station Installation Guide ● STS-(3000K, 6000K)-H1 Smart Transformer Station User Manual ● STS-(3000K, 6000K)-H1 Smart Transformer Station Installation Guide SmartLogger SmartLogger3000 User Manual FusionSolar FusionSolar App User Manual Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: C List Of Alarms Affecting Topology Identification

    Bus Side Overvoltage on Rack Controller 3020 Bus Side Reverse Polarity on Rack Controller 3021 Insulation Resistance of Rack Controller Abnormal 3022 Rack Controller Temperature High 3023 Battery Terminal Overtemperature on Rack Controller Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 Connection of Rack Controller Abnormal 3044 Battery Pack Overcurrent 3045 Battery Pack Temperature High 3046 Battery Pack Temperature Low 3047 Battery Pack Undervoltage 3052 External DC Auxiliary Power Supply of Rack Controller Fault Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Control Malfunction 3849 Air Exhaust Malfunction 1, 2 3850 Combustible Gas Detection Malfunction 3856 Battery Fault Protection 1, 2 3858 48 V DC Auxiliary Power Supply Faulty 3859 Forced Dehumidification Started Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 77: D Typical Communication Point List

    MGCC needs to implement corresponding functions based on the communication protocol provided by Huawei and the SmartLogger communication point list (GOOSE point list is used as an example). You can select all or some of the points listed in the following table.
  • Page 78 The preceding table lists only the key communication points for implementing on/off-grid switching. For details about the complete communication points and other functions, see the communication point list provided with the SmartLogger version. Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Contact Information

    To ensure faster and better services, we kindly request your assistance in providing the following information: ● Model ● Serial number (SN) ● Software version ● Alarm ID or name ● Brief description of the fault symptom Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 Medium-Voltage Microgrid Energy Storage Solution Quick Guide E Contact Information NO TE EU Representative Information: Huawei Technologies Hungary Kft. Add.: HU-1133 Budapest, Váci út 116-118., 1. Building, 6. floor. Email: hungary.reception@huawei.com Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Acronyms And Abbreviations

    F Acronyms and Abbreviations Acronyms and Abbreviations Air Circuit Breaker Central Monitoring Unit Energy Management System Smart Rack Controller Energy Storage Rack (Battery Rack) Fast Ethernet RSTP Rapid Spanning Tree Protocol Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Medium-Voltage Microgrid Energy Storage Solution Quick Guide F Acronyms and Abbreviations Power Control System Power Supply Unit SACU Smart Array Controller State of Charge State of Health Smart Transformer Station Uninterruptible Power Supply Issue 09 (2024-05-10) Copyright © Huawei Technologies Co., Ltd.

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