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Huawei SmartLi 2.0 User Manual

Huawei SmartLi 2.0 User Manual

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SmartLi 2.0
User Manual
Issue
10
Date
2022-04-30
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SmartLi 2.0

  • Page 1 SmartLi 2.0 User Manual Issue Date 2022-04-30 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 low level of risk which, if not avoided, could result in minor or moderate injury. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 6. Split the "Operations" section into the "Power-On Commissioning" and "Maintenance" sections. 7. Deleted the "Troubleshooting" and "Parts Replacement" sections. The relevant information needs to be obtained from Huawei engineers. 2022-01-30 1. Added the "Important Safety Instructions" section. 2. Unified the naming of fire extinguisher cylinder throughout the document.
  • Page 5 1. Changed "battery management module (BMU)" to "battery control unit (BCU)" in the document. 2. Added the description about protection function parameters in the "Technical Specifications" section. 2019-11-29 This is the first official release. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 6: Table Of Contents

    3.4 Storage Duration and Recharge Suggestions of a Battery Module..............30 3.5 Battery Module Recharge..............................31 4 Installation and Cable Connection..................37 4.1 Installation Clearances................................ 37 4.2 Installation Preparations..............................38 4.2.1 Tools and Instruments..............................38 4.2.2 Cables....................................40 Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 5.4 Recharge Requirements for Batteries with Low SOC....................91 6 Maintenance........................... 93 6.1 Routine Maintenance................................94 6.2 Shallow Discharge Test............................... 98 6.3 Capacity Test...................................99 6.4 Viewing Test Data................................. 99 A Acronyms and Abbreviations................... 101 Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Safety Information

    Equipment damage due to force majeure, such as earthquakes, fires, and storms ● Damage caused during transportation by the customer ● Storage conditions that do not meet the requirements specified in this document Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Personal Safety

    In the case of a fire, immediately leave the building or the equipment area and activate the fire alarm or call emergency services. Do not enter the building on fire in any case. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Electrical Safety

    (TNV) circuits. ● A damaged cable must be replaced by the manufacturer or professionals to avoid risks. ● Check equipment connections periodically, ensuring that all screws are securely tightened. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 Do not perform any improper operations, for example, dropping cables directly from a vehicle. Otherwise, the cable performance may deteriorate due to cable damage, which affects the current-carrying capacity and temperature rise. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Environmental Requirements

    Do not install the equipment in environments with conductive metal scraps in the air. ● Do not install the equipment in an environment with direct sunlight, dust, volatile gases, infrared and other radiations, organic solvents, corrosive materials, or salty air. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 13 Before working at heights, check the climbing tools and safety gears such as safety helmets, safety belts, ladders, springboards, scaffolding, and lifting equipment. If they do not meet the requirements, take corrective measures or disallow working at heights. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Mechanical Safety

    When a step ladder is used, ensure that the pull ropes are secured and the ladder is held firm. ● Before using a ladder, check that it is intact and confirm its load bearing capacity. Do not overload it. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Battery Safety

    D ANGER Protect battery modules from mechanical vibration, collision, punctures, and strong impact. Otherwise, the modules may catch fire. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 After unpacking battery modules, place them in the required direction. Do not place a battery module upside down or vertically, lay it on one side, tilt it, or stack it with other modules. Any bumping or falling may damage the battery modules. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 CO , CO, N , and H . To prevent fire or corrosion, ensure that flammable gas (such as hydrogen) is properly exhausted. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Product Overview

    ● SmartLi-512V-80AH-S-01-8 ● SmartLi-512V-80AH-S-01-7 Figure 2-1 Model number description Meaning Description Product category SmartLi: intelligent lithium battery Product series 512V: voltage level 512 V Capacity 80AH: battery cabinet capacity 80 Ah Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Smartli Cabinet Description

    ● 7: seven battery modules 2.2 SmartLi Cabinet Description SmartLi 2.0 is a battery energy storage system solution developed by Huawei. It provides a cabinet-level battery management system and supports a maximum of 15 cabinets connected in parallel to meet MW-level UPS backup power requirements.

  • Page 20: Product Configurations

    2.3 Product Configurations Table 2-3 Product configurations Categor Configuration Description SmartLi Master The master SmartLi cabinet can be connected to a cabinet: maximum of 14 slave cabinets in parallel. mandatory; slave cabinet: optional Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 BBB box to connect cables. For details about the PDU8000-(0630,1250,2000) DCV8- BBB box, see the BGA001 BBB Box User Manual . (BBB box) Figure 2-3 Example of typical configuration 1 Figure 2-4 Example of typical configuration 2 Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 SmartLi 2.0 User Manual 2 Product Overview Figure 2-5 Typical scenarios of configuring battery modules for the SmartLi Figure 2-6 Typical scenarios of configuring a lithium battery side cabinet for the SmartLi Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Component Description

    (SOH), and temperature reported by the BCU, and save data and alarm information locally. NO TE The ports of the MDU are located on the side and rear of the display panel. Figure 2-7 MDU Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Monitoring Interface Unit

    DIP switch Implements specific functions by using the DIP switch and specific buttons; controls the CAN communication build-out resistor in a parallel system. 2.4.2 Monitoring Interface Unit Figure 2-8 Monitoring interface unit Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 25 In a parallel lithium battery system, activating the EPO signal of a single lithium battery cabinet triggers only emergency power-off of the lithium battery cabinet, which does not affect normal charge and discharge of other lithium battery cabinets in the system. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 SmartLi 2.0 User Manual 2 Product Overview Figure 2-9 COM pins Table 2-6 COM pin definition Description RS485+ RS485- RS485+ RS485- CANH0 CANL0 Figure 2-10 RS485 pins Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Bcu

    Figure 2-11 BCU (1) Output ports (2) Input ports (3) Positioning lock (4) Power switch (POWER ON/ (5) Running indicator (6) Alarm indicator (ALM) OFF) (NORMAL) (7) Fault indicator (FAULT) (8) Ready switch Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Fire Detection And Extinguishing Equipment

    The fire detection and extinguishing equipment consists of a cylinder filled with extinguishant, a container valve, pressure gauges, and a fire-trace tube that can release extinguishant. It can detect and extinguish fire at the initial stage quickly, accurately, and effectively. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Battery Module

    CAN communication between battery modules. Figure 2-13 Battery module (1) Running indicator (RUN/ (2) Positive battery wiring (3) Negative battery wiring ALM) terminal terminal (4) Battery communication cascading ports Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Lithium Battery Side Cabinet

    Figure 2-14 Lithium battery side cabinet 2.5 Technical Specifications 2.5.1 SmartLi Technical Specifications Table 2-10 SmartLi physical specifications Item Specifications Dimensions (H x W x D) 2000 mm x 600 mm x 850 mm Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 230 kW 115 kW 200 kW 100 kW capacity load power (Max. supported operating by a single temperatu cabinet re: 27°C) Backup 10 min 10 min 10 min 10 min time Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Component Technical Specifications

    IEC 62040-3.) 2.5.2 Component Technical Specifications Table 2-13 BCU technical specifications Item Specifications Dimensions (H x W x D) 130 mm x 442 mm x 550 mm Weight < 35 kg Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 ● Battery string (eight packs): undervoltage warning: < 448 V; protection: < 408 V ● Battery string (seven packs): undervoltage warning: < 392 V; protection: < 357 V Overtemperature > 67°C protection Undertemperature < –5°C protection Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 Dimensions (H x W 2000 mm x 300 mm x 850 mm x D) Weight ● < 130 kg (without fire extinguisher cylinders) ● < 150 kg (with two fire extinguisher cylinders) Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Transportation And Storage Requirements

    ● Avoid scratching the cabinet surface or damaging cabinet components and cables during equipment transportation. Repaint any paint scratches caused during equipment transportation in a timely manner. Equipment with Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Battery Module Transportation Requirements

    ● Unless otherwise specified, dangerous goods cannot be mixed with goods containing food, medicine, animal feed, and their additives in the same vehicle or container. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Battery Module Storage Requirements

    3.4 Storage Duration and Recharge Suggestions of a Battery Module A longer storage duration results in larger battery capacity attenuation. Recharge the battery module after it is stored for a period of time. You are advised to Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Battery Module Recharge

    ● If a battery module experiences an abnormality such as bulging or smoking during recharge, disconnect the power supply, stop charging immediately, and dispose of it. Two methods are available for recharging a battery module. Select either one based on site requirements. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Step 2 Switch off the battery circuit breaker on the top of the SmartLi cabinet to power off the SmartLi. Figure 3-2 Switching off the battery circuit breaker Step 3 Install the battery modules and cables. For details, see 4.8 Installing Battery Modules. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 ● Method 1: Use a voltmeter to measure the voltage between the positive and negative terminals of the battery. ● Method 2: View the battery voltage on the touchscreen of the SmartLi. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Step 2 Check that the power supply to the portable battery charger/discharger is disconnected. Step 3 Install cables between the portable charger/discharger and the battery module. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 This protects the cell from overcharge and overdischarge. Step 6 After the charging ends, disconnect the power supply from the portable battery charger/discharger, and check whether the recharge meets requirements according Table 3-4. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 The battery module should be used as soon as possible. ----End Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Installation And Cable Connection

    4 Installation and Cable Connection Installation and Cable Connection 4.1 Installation Clearances Figure 4-1 Installation clearance requirements (master cabinet + lithium battery side cabinet) (unit: mm) (1) Master cabinet (2) Lithium battery side cabinet Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Installation Preparations

    The following table lists the common tools for installation and cable connection. Onsite technical personnel need to prepare required tools based on the actual operation procedure. Table 4-1 Tools and instruments Electric pallet truck Manual pallet truck Step ladder Rubber mallet Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Multimeter Cable tie Level Insulation tape Cotton cloth Torque adjustable Electrician's knife wrench ESD gloves Protective gloves Insulated gloves Insulated protective shoes Torque screwdriver Cable cutter Brush Flat-head screwdriver (2–5 mm) Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Cables

    ● When selecting, connecting, and routing cables, follow local safety regulations and rules. ● When the external conditions such as cable routing or ambient temperature change, perform verification in accordance with the IEC 60364-5-52 or local regulations. Table 4-2 SmartLi 2.0 cable list Cable Name Recommended Size Description Parallel cable Delivered with the SmartLi cabinet.

  • Page 48: Transportation, Unpacking, And Checking

    Step 4 After confirming that the cabinet is intact, remove the L-shaped bracket that secures the cabinet and pallet, and secure the sliding plate to the pallet using the two M12 screws that you have removed. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 4 Installation and Cable Connection Figure 4-3 Removing L-shaped brackets Figure 4-4 Securing the sliding plate to the pallet Step 5 Raise the four anchor bolts to the highest position using an adjustable wrench Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 If any damage is founded, report the photos to the carrier immediately. Check that all fittings comply with the packing list. If there is any discrepancy, keep a record and contact the supplier immediately. ----End Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Installation Process

    Do not bend or twist the fire-trace tube. Otherwise, the tube may be damaged and extinguishant may leak. Loosen the connection nut using an adjustable torque wrench. Remove the end of the fire-trace tube from the threaded nozzle. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Step 6 Send the fire extinguisher cylinder to a station to fill extinguishant. Heptafluoropropane or perfluorohexanone is recommended. The required amount is 3 kg. The screw thread specification of the filler port is M10x1. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 ● Ensure that the front of the pressure gauge faces the right side of the cabinet (as shown in the figure) and that the cylinder does not interfere with the battery trays and the rear cover of the cabinet. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 Figure 4-10 Installing the fire-trace tube using a pipe holder (1) Pipe holder (2) Fire-trace tube end (3) Nut Step 10 Remove the valve positioning kit, slowly open the valve, reinstall the positioning kit, and secure it. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Installing A Cabinet

    Step 12 Reinstall the rear cover for the SmartLi. ----End 4.5.2 Installing a Cabinet Secured Installation (Recommended) Step 1 Determine the position for installing the cabinet. Mark mounting holes based on the marking-off template or drawing. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 NO TICE Knock the expansion bolt into the hole until the expansion sleeve completely fits into the hole. The expansion sleeve must be completely buried under the ground to facilitate subsequent installation. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 ● If the cabinet is installed on a steel floor, M12x45 screws are used. ● If the cabinet is installed against a wall, remove the lower three layers of trays, install anchor bolts, and reinstall the trays. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Combining Cabinets

    If a BBB box is configured, see the Box User Manual for the installation procedure. Step 1 Install the cabinets one by one. Step 2 Install connecting plates on the front of the cabinets. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 59: Installing A Fire Extinguisher Cylinder And Cabinets (With A Side Cabinet)

    Step 1 Remove the rear cover from the SmartLi cabinet. Step 2 Remove the fire-trace tube. WARNING Do not bend or twist the fire-trace tube. Otherwise, the tube may be damaged and extinguishant may leak. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 Step 3 Remove the dry contact cable from the fire extinguisher cylinder. Figure 4-19 Disconnecting dry contact cable terminals Step 4 Remove the fire extinguisher cylinder fastener and take out the cylinder. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 14 bar (1.4 MPa) 13–15 bar (1.3–1.5 MPa) 17 bar (1.7 MPa) 16–18 bar (1.6–1.8 MPa) 18.5 bar (1.85 MPa) 17.5–19.5 bar (1.75–1.95 MPa) 20 bar (2.0 MPa) 19–21 bar (1.9–2.1 MPa) Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Place the fire-trace tube and dry contact cable on the battery tray at the first layer. Figure 4-21 Removing the fire-trace tube and dry contact cable Step 10 Reinstall the rear cover for the SmartLi. ----End Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 63: Installing And Combining Cabinets

    Step 1 Determine the cabinet installation position. Draw mounting holes in the installation position according to the drawing. Figure 4-22 Mounting holes (unit: mm, one SmartLi cabinet and one lithium battery side cabinet) Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Install connecting plates between cabinets. Remove the two plugs from the bottom of the SmartLi cabinet. Secure the SmartLi using M12x115 bolts, and secure the lithium battery side cabinet using M12x60 bolts. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 SmartLi 2.0 User Manual 4 Installation and Cable Connection Figure 4-24 Securing the cabinets (one SmartLi cabinet and one lithium battery side cabinet) Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Installing A Fire Extinguisher Cylinder

    Step 1 Install the fire extinguisher cylinder vertically in the lithium battery side cabinet. NO TICE ● Keep the fire extinguisher cylinder upright. ● Ensure that the front of the pressure gauge faces the front door panel of the cabinet. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Route the fire-trace tube and dry contact cable along the path shown in the figure, and route them through the hole on the top of the cabinet. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Secure the fire-trace tube to the buckle. Figure 4-29 Securing the corrugated pipe and routing the fire-trace tube and dry contact cable (one SmartLi cabinet and one lithium battery side cabinet) Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 ● The end pressure gauge of the cabinet is used to determine whether the pressure of the fire extinguisher cylinder decreases during routine O&M inspection. Figure 4-31 Connecting dry contact cable terminals Step 5 Install the fire-trace tube. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 ● Slowly open the valve. To avoid unexpected blowout, do not quickly open the valve. ● The end pressure gauge of the cabinet is used to determine whether the pressure of the fire extinguisher cylinder decreases during routine O&M inspection. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 71: Installing Cables

    4.7.1 Cabinet Cabling Diagrams Figure 4-34 Cable holes on the top of the cabinet (unit: mm) (1) Power cable hole (2) Communications cable hole (3) Cable hole for the fire- trace tube Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Cable Routing Requirements

    Step 3 Pull the marked cable out of the cabinet, cut the cable from the marked position, strip the cable, and crimp a terminal. Figure 4-36 Preparing a cable terminal outside the cabinet Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 73: Installing A Cabinet Ground Cable

    Figure 4-37 Removing the PDU cover Step 2 Remove the top cover from the cabinet based on cable routes and dimensions. Figure 4-38 Removing the top cover Step 3 Install a ground cable. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: Installing Communications Cables

    (1) Site ground bar ----End 4.7.4 Installing Communications Cables Installing Communications Cables Between Lithium Battery Cabinets Figure 4-40 Installing communications cables between lithium battery cabinets (using three parallel cabinets as an example) Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 ● If more than eight SmartLi cabinets are connected in parallel, a maximum of four 15 m parallel communications cables are supported. Figure 4-41 Communications cable between the SmartLi and the integrated UPS (1) Connecting to the SmartLi (2) Connecting to the UPS Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Figure 4-42 Installing a communications cable between the SmartLi and the UPS (Integrated UPS) (1) Master SmartLi cabinet Figure 4-43 Installing a communications cable between the SmartLi and the UPS (UPS5000-H/S/E) (1) Master SmartLi cabinet Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 User Manual 4 Installation and Cable Connection Figure 4-44 Installing a communications cable between the SmartLi and the UPS (UPS5000-S-1200 kVA) (1) Master SmartLi cabinet 1 (2) Master SmartLi cabinet 2 Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 78: Installing Dc Power Cables

    120 mm . If the load of a single battery cabinet is greater than 150 kW, you are advised to use cables with a cross-sectional area of 150 Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 4 Installation and Cable Connection Figure 4-46 Setting I1 to MIN for the battery circuit breaker Figure 4-47 Installing DC power cables (single cabinet, without a neutral wire) (1) Master SmartLi cabinet Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 80: Multi-Cabinet Scenario

    . If the load of a single battery cabinet is greater than 150 kW, you are advised to use cables with a cross-sectional area of 150 Figure 4-49 Setting I1 to MIN for the battery circuit breaker Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 4 Installation and Cable Connection Figure 4-50 Installing DC power cables (multiple cabinets, without neutral wires) (1) Master SmartLi cabinet Figure 4-51 Installing DC power cables (multiple cabinets, with neutral wires) (1) Master SmartLi cabinet Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Optional) Installing An Epo Cable

    ● Equip the EPO switch with a protective cover to prevent misoperations, and protect the cable with a protective tube. Connect the EPO button to the EPO port on the SmartLi. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 83: Installing Battery Modules

    Otherwise, the battery may be short- circuited. D ANGER Wear insulation gloves and use insulated tools during installation to prevent electric shocks and short circuits. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Step 1 Clean the cabinet and ensure that there is no foreign matter, dust, or scraps in the cabinet. Step 2 Pull out the BCU for about 10 cm. Figure 4-56 Pulling out the BCU Step 3 Install battery modules. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Figure 4-57 Installing battery modules Step 4 Remove the front covers from the battery modules, and install battery baffle plates. NO TICE Place the front covers properly to prevent the light pipes from falling off. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 Figure 4-59 Installing battery communications cables Step 6 Install the filler panels. NO TE In the 7+7, 8+0, and 7+0 scenarios, install filler panels in the vacant slots for battery modules. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 After removing the safety cap from the power cable of the battery at the bottom layer, install the cable immediately to prevent the exposed terminal from touching the shell, which may cause sparks or burns. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 Figure 4-62 Installing copper bars between battery modules (using the 8+8 scenario as an example) Open the terminal protective covers, install copper bars between battery modules and fuses, and close the terminal protective covers. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Open the terminal protective covers, install the negative battery cables reserved in the cabinet, and close the terminal protective covers. Figure 4-64 Installing negative battery cables (using the 8+8 scenario as an example) Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 Before reinstalling the covers, check and arrange all cables of the board (the cascading cable must be placed in the notch). Ensure that the covers do not press the cables. Step 10 Reinstall the BCU. Figure 4-66 Installing the BCU Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Verifying The Installation

    Grounding The resistance between the cabinet ground bar and the equipment room ground bar is less than 0.1 ohm. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 If yes, repair the cables. Pressure gauge If the pressure gauge pointer at the front door of the cabinet is obviously lower than the initial position, contact Huawei technical support. Foreign matter The inside and outside of the cabinet are free from conductive dust cleaning inside the or other sundries.

  • Page 93: Sealing A Cabinet

    Step 4 If the lithium battery cabinet is not powered on after installation, reinstall the dust covers to prevent dust buildup inside the cabinet. Figure 4-69 Installing the dust covers (1) Top dust cover (2) Rear dust cover (3) Front dust cover ----End Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 94: Power-On Commissioning

    Single SmartLi cabinet: Hold down the POWER ON/OFF button on the BCU of the SmartLi for more than 2s. ● Multiple SmartLi cabinets are connected in parallel: Hold down the POWER ON/OFF button on the BCU of each SmartLi for more than 2s. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 You can adjust the cell voltage at the end 2.70 2.50–2.80 undervoltag of discharge (EOD) as required. A smaller e protection value indicates a lower battery level after threshold EOD. You are advised to retain the default value. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 Enable (discharge) overcurrent occurs during battery discharging. ● If this parameter is set to Disable, no alarm is reported when battery overcurrent occurs during battery discharging. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 97: Disconnecting The Battery Supply

    Step 1 Query and record the SOC values of all battery cabinets on the SmartLi LCD. Path: Runn Info > Battery Cabinet x > SOC Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 98: Recharge Requirements For Batteries With Low Soc

    Table 5-4 Mappings between SOC ranges and charging intervals SOC Range Maximum SOC Range Maximum Charging Interval Charging Interval SOC ≥ 20% 30 days 15% ≤ SOC < 20% 25 days Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 12% ≤ SOC < 15% 20 days 9% ≤ SOC < 12% 15 days 6% ≤ SOC < 9% 10 days 4% ≤ SOC < 6% 5 days SOC < 4% 2 hours Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 100: Maintenance

    ● Before installing and maintaining the battery modules, remove the BCU, and reinstall the BCU after the installation or maintenance is complete. ● After batteries are discharged, charge the batteries in time to avoid affecting their service life. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 101: Routine Maintenance

    Actual temperature: ______°C ● Check method: Measure Monthly temperatu (Allowed temperature: 0°C to using a hygrothermograph. 40°C; recommended ● Troubleshooting: Check that temperature: 20°C to 25°C) the air conditioner runs properly. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 The upper air exhaust vent of ● Check method: visual Monthly exhaust the lithium battery cabinet is inspection vent not blocked. ● Troubleshooting: Rectify the fault based on the acceptance criteria. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 The torque meets the requirements of the battery manufacturer. After checking that the battery screws meet the requirements, mark the screws for later check. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 (recomme the LCD. 6.3 Capacity Test and check nded) the alarm information on the SmartLi LCD. ● Troubleshooting: View the alarm information on the LCD and handle the alarm. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Shallow Discharge Test

    For details about how to view the test data, see 6.4 Viewing Test Data. ● The shallow discharge test automatically stops in any of the following cases: The battery discharge capacity reaches the specified value (10%–50%, 20% by default). Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 106: Capacity Test

    A fault alarm is generated. 6.4 Viewing Test Data Step 1 On the UPS WebUI, choose Query > Battery Test Records. Step 2 Choose target logs from the Log drop-down list box and click Query. Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 SmartLi 2.0 User Manual 6 Maintenance Step 3 Choose logs that have been queried from the Log drop-down list box, and click Export. ----End Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 108: A Acronyms And Abbreviations

    SmartLi 2.0 User Manual A Acronyms and Abbreviations Acronyms and Abbreviations battery management system battery control unit Conformite Europeenne depth of discharge end of discharge end of life International Electrotechnical Commission Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 A Acronyms and Abbreviations liquid crystal display monitoring display unit network management system protective earthing RS485 Recommended Standard state of charge state of health SBCU system battery management unit uninterruptible power system Issue 10 (2022-04-30) Copyright © Huawei Technologies Co., Ltd.

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