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Huawei DPU40D-N06A3 User Manual

Distributed power system
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DPU40D-N06A3, DBU20B-N12A3, and
DBU50B-N12A1 Distributed Power System
User Manual
Issue
04
Date
2020-02-29
HUAWEI TECHNOLOGIES CO., LTD.
Table of Contents
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Summary of Contents for Huawei DPU40D-N06A3

  • Page 1 DPU40D-N06A3, DBU20B-N12A3, and DBU50B-N12A1 Distributed Power System User Manual Issue Date 2020-02-29 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

    NOTICE is used to address practices not related to personal injury. Supplements the important information in the main text. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Modified A Technical Specifications. Issue 03 (2019-11-28) Modified 1 Safety Precautions. Modified A Technical Specifications. Issue 02 (2019-07-22) Update LIVE-C APP content. Issue 01 (2019-06-30) This is the first official release. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.1.4 Cable .................................32 5.2 Rectifying Common Faults ...........................33 5.2.1 AC Power Failure ..............................33 5.2.2 AC Overvoltage ..............................33 5.2.3 AC Undervoltage ...............................34 5.2.4 DC Overvoltage ..............................34 5.2.5 DC Undervoltage ...............................34 5.2.6 Parallel Fail ...............................34 Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 5.3.7 Replacing a Lithium Battery (PSU Plus Lithium Battery) ...................51 5.3.8 Replacing a DC Fuse ............................53 A Technical Specifications ....................... 56 B Alarm Description ......................... 62 C Acronyms and Abbreviations ....................63 Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Safety Precautions

    The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.
  • Page 8 Before installing, operating, or maintaining a cabinet, clean up any water, ice, snow, or other sundries on the top of the cabinet to prevent sundries from falling into the cabinet when you open the cabinet door. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telecommunication network voltage (TNV) circuits.  Do not power on the equipment before it is installed or confirmed by professionals. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 10 2. If there are multiple output ports, use the symbol near the output ports. Connect cables according to the rated power output and configuration parameter information in the instruction. 3. If there are multiple slots, use the symbol near the slot Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Personnel Requirements

    1.2 Personnel Requirements  Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations. ...
  • Page 12 When holding a board, hold its edge without touching any components. Do not touch the components with your bare hands.  Package boards with ESD packaging materials before storing or transporting them. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Installation Environment Requirements

    Do not mount it on an insecure moveable object or metal object with sharp edges. Make sure that the hooks will not slide off. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Mechanical Safety

    Before hoisting objects, ensure that hoisting tools are firmly secured onto a load-bearing object or wall.  Ensure that the angle formed by two hoisting cables is no more than 90 degrees, as shown in the following figure. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 75 degrees, as shown in the following figure. An angle rule can be used to measure the angle. When climbing a ladder, take the following precautions to reduce risks and ensure safety: Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 When drilling holes, protect the equipment from shavings. After drilling, clean up any shavings that have accumulated inside or outside the equipment. Moving Heavy Objects  Be cautious to avoid injury when moving heavy objects. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Battery Safety

    Use dedicated insulated tools.  Move batteries in the required direction. Do not place a battery upside down or tilt it.  Keep the battery loop disconnected during installation and maintenance. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 18  If permitted, disconnect the batteries in use before performing any other operations.  To avoid battery short-circuit, do not maintain batteries with power on. Flammable Gas Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 When the ambient temperature is lower than the lower limit of the operating temperature (charge is forbidden at 0° C), do not charge the battery. Otherwise, a short circuit would occur inside the battery.  Do not throw a lithium battery in fire. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 DPU40D-N06A3, DBU20B-N12A3, and DBU50B-N12A1 Distributed Power System User Manual 1 Safety Precautions  When maintenance is complete, return the waste lithium battery to the maintenance office. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Overview

    The power system is designed for wireless base stations and supports online capacity expansion. The DPU40D-N06A3 converts AC or HVDC power into stable 48 V DC power. The lithium battery supplies backup power to communications equipment.

  • Page 22: Features

    Diverse installation scenarios − Mounting on a pole, wall, channel steel, or angle steel − Side or flush mounting  Flexible to combine Interconnected PSUs − PSU plus lithium battery − Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: System Configuration

    − − Lithium battery: online expansion to increase backup time  Easy to maintain Remote monitoring − 2.3 System Configuration Table 2-1 Typical system capacity specifications (DPU40D-N06A3) Number of Number of Number of Power Power Load Routes PSUs (PCS) Lithium...
  • Page 24 5700 W. − When three or more lithium batteries are configured, the maximum output power of the lithium batteries is 3000 W x number of lithium batteries x 0.8. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Components

    HVDC power into stable 48 V DC power, generates fault alarms, and reports monitoring data to the upstream network management system (NMS) in real time. The PSU supports communication with monitoring device through the MBUS. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 (0.5 Hz) properly Blinking at short The PSU is not communicating with the host intervals (4 Hz) properly Alarm The PSU is proper indicator Steady on Rectifier Fault/Address Conflict/SMU Fault Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 1 × 40 A quick-connector (excluding Battery port; connects to the the fuse) lithium battery. Communications Ports Table 3-3 Communications port description Communications Communications Communications Function Port Parameter Protocol Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 CAN data transmission and reception L Figure 3-4 COM_ALM port pins Table 3-5 COM_ALM port pin definitions Signal Name Description ALM1+ AC outage alarm (High resistance: alarm; low resistance: normal; ALM1- < 30 V/4 mA) Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Lithium Battery (Dbu20B-N12A3/Dbu50B-N12A1)

    CAN data transmission and reception L 3.2 Lithium Battery (DBU20B-N12A3/DBU50B-N12A1) Functions The lithium battery supplies backup power to communications equipment when the PSU has no power input, thereby ensuring reliable power supply for service operation. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 The lithium battery is proper indicator Steady on Board Hardware Fault/Heater Fault/Battery Cell N Fault/Address Conflict Blinking Discharge Overcurrent Protection/Charge slowly (0.5 Overcurrent Protection/High Temperature protection/Low Temperature Protection/Abnormal Close/Charge Overcurrent Protection/Discharge Overcurrent Protection Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Battery output port. (excluding the fuse) Communications Ports Table 3-8 Communications port description Communications Communications Protocol Function Port COM_IN, COM_OUT CAN2.0 Communicates with a PSU or with a cascaded lithium battery. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Figure 3-7 COM_IN/COM_OUT port pins Table 3-9 COM_IN/OUT port pin definitions Signal Description 1, 2 CAN_H CAN data transmission and reception H CAN_L CAN data transmission and reception L Protective ground Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Optional) Live-C App

    The PSU needs to support the mobile app function and the connection mode is Bluetooth connection or WiFi connection. Procedure Step 1 Obtain the latest LIVE-C APP installation package from Huawei technical support. Step 2 Install the LIVE-C APP on the mobile phone. Figure 4-1 LIVE-C APP icon ----End 4.2 Logging In to the LIVE-C APP...
  • Page 34  Huawei will not be liable for any security issues caused by your failure to change the default password in time or password loss after changing. (The password cannot be retrieved if it is lost.) Password Change: System Settings >...
  • Page 35 DPU40D-N06A3, DBU20B-N12A3, and DBU50B-N12A1 Distributed Power System User Manual 4 (Optional) LIVE-C APP Step 5 Tap Login to access Main Function Menu and view the operating parameters of the power equipment. ----End Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Maintenance

    During paint repair, polish any rusty or corroded area with sandpaper and then apply antirust aluminum spray paint. If there is no rust or corrosion, directly apply the antirust aluminum spray paint. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Distributed Power Unit

    / loading / on the PSU and lithium activation / board battery. power-on when no software is loaded. 4. Check the PSU output. 5. Replace the lithium battery. 6. Check the communications Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Cable

    Check whether Cables corrode after Replace rusty cables. ground cables are being used for a rusty. long time. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Rectifying Common Faults

     The grid power is unstable.  The AC overvoltage alarm threshold is incorrectly set. Solution Measure the AC input voltage. If the voltage is abnormal, rectify the power grid fault. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Ac Undervoltage

    If so, rectify the short circuit. If the battery fuse is blown or a cable is loosely connected, check and rectify the fault. 5.2.6 Parallel Fail Possible Causes  The parallel communications cable between rectifiers is loose. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Communication Failure

    Check whether the upstream input circuit breaker for the rectifier has the appropriate capacity. If not, replace the circuit breaker. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Communication Failure (Esmu)

    If the alarm does not exist, wait for a certain period and check whether the battery temperature rises to above 0° C. If yes, no further action is required. If not, replace the battery. 5.2.14 High Temperature Protection The ambient temperature for the battery is high. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Overcharge Protection

    The electrochemical cell is faulty. Solution Replace the faulty module. 5.2.18 Discharge Overcurrent Protection Possible Causes  The load exceeds the maximum power of the lithium battery.  The load is short-circuited. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Charge Overcurrent Protection

    The battery communications cable is loose.  The battery power cable is loose. Solution Check whether the battery communications or power cable is loose. If so, secure the cable. 5.3 Component Replacement Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Replacing A Quick Connector (Psu)

    Step 1 Put on the protective gloves. Step 2 Switch off the upstream input circuit breaker for the PSU. Step 3 Remove the old quick connector. Record the cable connection position on the old PSU. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Remove the quick connector from the new PSU and assemble the cable with the connector. Install the assembled quick connector at the corresponding port of the new PSU based on the cable connection position you have recorded. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 Step 6 Switch on the upstream input circuit breaker for the PSU. Step 7 Take off the protective gloves. ----End Follow-up Procedure Pack the faulty component and return it to the local Huawei warehouse. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Replacing A Quick Connector (Lithium Battery)

    Remove the quick connector from the new lithium battery and assemble the cable with the connector. Install the assembled quick connector at the corresponding port of the new lithium battery based on the cable connection position you have recorded. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Replacing A Psu (Psu Only)

    Step 6 Switch on the upstream input circuit breaker for the lithium battery. Step 7 Take off the protective gloves. ----End Follow-up Procedure Pack the faulty component and return it to the local Huawei warehouse. 5.3.3 Replacing a PSU (PSU Only) Prerequisites ...
  • Page 50 Secure the hanging kit to the right side or rear of the new PSU and tighten the four screws. Install the new PSU. Connect the ground cable as well as the cables to the COM, BAT, LOAD, and PWR ports in sequence based on the recorded information. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Replacing Psus (Interconnected Psus)

    Step 5 Switch on the upstream input circuit breaker for the PSU. Step 6 Take off the protective gloves. ----End Follow-up Procedure Pack the removed component and return it to the local Huawei warehouse. 5.3.4 Replacing PSUs (Interconnected PSUs) Prerequisites ...
  • Page 52 Loosen the four screws on the hanging kit on the right side of the PSUs and take off the hanging kit. Figure 5-12 Removing the hanging kit Remove the connecting kit. Loosen the four screws that secure the PSUs to the connecting kit, and take off the PSUs. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Secure the hanging kit to the right side of the interconnected PSUs, and tighten the four screws. Install the interconnected PSUs and tighten the screws on the hanging kit. Install the connecting kit. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Replacing A Psu (Psu Plus Lithium Battery)

    Step 5 Switch on the upstream input circuit breaker for the PSUs. Step 6 Take off the protective gloves. ----End Follow-up Procedure Pack the removed component and return it to the local Huawei warehouse. 5.3.5 Replacing a PSU (PSU Plus Lithium Battery) Prerequisites ...

  • Page 55: Replacing A Lithium Battery (Lithium Battery Only)

    Step 5 Switch on the upstream input circuit breaker for the PSU. Step 6 Take off the protective gloves. ----End Follow-up Procedure Pack the removed component and return it to the local Huawei warehouse. 5.3.6 Replacing a Lithium Battery (Lithium Battery Only) Prerequisites ...
  • Page 56 For an operating lithium battery, its run indicator will turn off about 3 minutes after cables are disconnected from the BAT and COM ports. (Optional) Remove the connecting kit. Remove the old lithium battery. Figure 5-18 Removing the old lithium battery (side mounting) Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Replacing A Lithium Battery (Psu Plus Lithium Battery)

    Use waterproof tape to seal the cable connections. Step 4 Take off the protective gloves. ----End Follow-up Procedure Pack the removed component and return it to the local Huawei warehouse. 5.3.7 Replacing a Lithium Battery (PSU Plus Lithium Battery) Prerequisites ...
  • Page 58 Remove the connecting kit. Loosen the four screws that secure the PSU to the connecting kit, and take off the PSU. Remove the old lithium battery. Figure 5-21 Removing the old lithium battery Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 59: Replacing A Dc Fuse

    Step 5 Switch on the upstream input circuit breaker for the PSU. Step 6 Take off the protective gloves. ----End Follow-up Procedure Pack the removed component and return it to the local Huawei warehouse. 5.3.8 Replacing a DC Fuse Prerequisites ...
  • Page 60 Step 3 Use a flat-head screwdriver to prize up the buckle on the quick connect terminal and remove the terminal. Figure 5-23 Removing a quick connector Step 4 Use an insulated flat-head screwdriver to remove the old fuse, as shown in the following figure. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 Step 6 Connect the quick connector to the BAT or LOAD port based on the recorded information. Step 7 Use waterproof tape to seal the cable connections. Step 8 Take off the protective gloves. ----End Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: A Technical Specifications

    5%-95% RH (non-condensing) humidity Storage humidity 5%-95% RH (non-condensing) DPU40D-N06A3, DBU20B-N12A3 and DBU50B-N12A1: –60 m to Altitude 4000 m (When the altitude ranges from 2000 m to 4000 m, high temperature derating applies and the operating temperature decreases by 1° C for each additional 200 m.) Class C environments refer to sea environments or outdoor land environments (with simple shielding measures) near pollution sources.
  • Page 63 AC input undervoltage protection threshold AC input undervoltage 85–90 V AC recovery threshold ≥ 410 V DC DC input DC input overvoltage protection protection threshold DC input overvoltage 400–410 V DC Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 1200 times (Charging: 4 A, discharge: 2200W, DOD: 100%, discharge cycles ambient temperature 25° C) Safety design IEC60950-1, IEC62368-1, IEC/EN 60950-22, IEC 62619, GB4943-2011, UN38.3 MTBF 500,000 hours (Ambient temperature 25° C, Excluding the electrochemical cell) Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 MTBF electrochemical cell) Dimensions (H x W 420 mm x 120 mm x 300 mm x D) ≈ 26 kg Weight Table A-5 DPU40D-N06A3 EMC specifications Item Specifications Electromagnetic Conducted emission Input: Class B, EN55032 (AC input)/Class A interference (EMI)
  • Page 66 Signal port: 2 kV Radiated IEC 61000-4-3 susceptibility (RS) 30 MHz to 2.7 GHz: 10 V/m Electrical fast IEC 61000-4-4 transient (EFT) Power port ± 2 kV, Signal port ± 1 kV Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Signal port: 10 V Note 1: This is a class A product. In a living environment, this product may cause radio interference. Therefore, users may be required to take appropriate measures. Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: B Alarm Description

    Recoverable PSU Alarm Rectifier Protection/Rectifier Shutdown/ Communication Failure/Rectifier Power Failure/Parallel Fail/AC Overvoltage/AC Undervoltage Recoverable lithium Discharge Overcurrent Protection/Charge Overcurrent battery Alarm Protection/High Temperature protection/Low Temperature Protection/Abnormal Close/Charge Overcurrent Protection/Discharge Overcurrent Protection Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: C Acronyms And Abbreviations

    ESMU energy storage management unit high-voltage direct current HVDC Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 DPU40D-N06A3, DBU20B-N12A3, and DBU50B-N12A1 Distributed Power System User Manual C Acronyms and Abbreviations mean time between failures MTBF power supply unit radiated susceptibility Issue 04 (2020-02-29) Copyright © Huawei Technologies Co., Ltd.

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Dbu20b-n12a3Dbu50b-n12a1

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