KEHUA TECH BCS-B-H Series User Manual
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KEHUA TECH BCS-B-H Series User Manual

Power conversion system
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Power Conversion System
BCS-B-H Series (1000K-1500K)
User Manual

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  • Page 1 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual...
  • Page 3 Copyright © Kehua Data Co., Ltd. 2021.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 Kehua Data Co., Ltd. Trademarks and Permissions and other Kehua trademarks are trademarks of Kehua Data Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders.
  • Page 4 Summaries Thank you for choosing the power conversion system (hereinafter referred to as “PCS”)! This document gives a description of BCS-B-H series (1000K-1500K), including the features, performance, appearance, structure, working principles, installation, operation and maintenance.etc. Please save the manual after reading, in order to consult in the future.
  • Page 5 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual Foreword Symbol Description Be care electric shock prompting. 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.

  • Page 6: Table Of Contents

    Power Conversion System BCS-B-H Series (1000K-1500K) Contents User Manual Contents 1 Safety Description......................... 1 1.1 Safety Announcements ............................. 1 1.1.1 Safety Instructions ..........................1 1.1.2 Device Iabel Instruction .......................... 3 1.1.3 Anti-Static Protection ..........................4 1.1.4 Grounding Requirements ........................4 1.1.5 Moistureproof Protection ........................
  • Page 7 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual Contents 2.6 Work Mode ..............................18 2.7 Communication Way ............................19 2.7.1 Monitor Mode ............................19 2.7.2 Communicate with BMS ........................19 3 Installation............................ 21 3.1 Installation Procedure ............................. 21 3.2 Installation Preparation ..........................22 3.2.1 Installation Tools ...........................
  • Page 8 Power Conversion System BCS-B-H Series (1000K-1500K) Contents User Manual 4.5.3 Total Energy ............................45 4.6 Function ................................. 46 4.6.1 Running Infomration ..........................46 4.6.2 History Information ..........................48 4.6.3 About ..............................49 4.6.4 Setting ..............................49 4.7 Current Fault ..............................61 5 System Commissioning ......................

  • Page 9: Safety Description

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 1 Safety Description 1 Safety Description This chapter introduces the safety announcements. Please read this user manual carefully prior to installing the device. It provides important information on safe and efficient installation.
  • Page 10 Power Conversion System BCS-B-H Series (1000K-1500K) 1 Safety Description User Manual There is no operational part inside the device. Please do not open the crust of the PCS by yourself, or it may cause electric shock. The PCS damage caused by illegal operation is out of the guarantee range.

  • Page 11: Device Iabel Instruction

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 1 Safety Description Please do not put finger or tool into rotating fans to avoid endanger the human safety or damage the device. No liquid or other objects are allowed to enter the cabinet.

  • Page 12: Anti-Static Protection

    Power Conversion System BCS-B-H Series (1000K-1500K) 1 Safety Description User Manual Label Illustration Please consult the user manual while using. It is necessary to put aside the device for 20min after powering down to ensure completely discharged. Do not dispose with general garbage. It needs to recycle by special method.

  • Page 13: Moistureproof Protection

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 1 Safety Description 1.1.5 Moistureproof Protection Moisture incursion may cause the PCS damage! For normal use of the PCS, please comply with the following items.  If the atmosphere humidity larger than 95%, please do not open the door of PCS.

  • Page 14: Requirements For Operator

    Power Conversion System BCS-B-H Series (1000K-1500K) 1 Safety Description User Manual 1.2 Requirements for Operator The related operation and wiring for the PCS should be performed by qualified professionals, and ensure the electric installation accord with the electricity installation standards.

  • Page 15: Overview

    2.1 Product Intro BCS-B-H series (1000K-1500K) PCS is researched and developed by Kehua Company, it is used in the link of energy storage. The basic feature is bidirection (rectification, inversion), and it equips a series of special performance and can be used in grid-tied and off-grid system. It can regulate and control the electricity resource effectively and balance the difference of used electricity in different seasons and day and night, and also, it guarantees the safety of grid.

  • Page 16: Model Meaning

    Power Conversion System BCS-B-H Series (1000K-1500K) 2 Overview User Manual The grid-tied power generation of the PCS should be allowed by local power supply department and operate by professionals. The AC side of the PCS must be connected with IT distribution system.

  • Page 17: Appearance And Operation Panel

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 2 Overview Easy operation and close to user  Adopts 7 inch touch screen to make the daily management and maintenance easily. The touch screen shows real-time operation parameter and status of the system.

  • Page 18: Operation Panel

    Power Conversion System BCS-B-H Series (1000K-1500K) 2 Overview User Manual Figure2-3 Appearance 2.2.2 Operation Panel The operation panel of the PCS is as shown in Figure2-4. Figure2-4 Operation panel The description for the operation panel is as shown in Table2-1.
  • Page 19 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 2 Overview Table2-1 Description of the operation panel Silk-screen Name Description Green: If the indicator light on, that means the PCS ○ RUN indicator is working normally. Green: If the indicator light on, that means the ○...

  • Page 20: Structure Layout

    Power Conversion System BCS-B-H Series (1000K-1500K) 2 Overview User Manual 2.3 Structure Layout The structure of the PCS after opening the front door is as shown in Figure2-5. Figure2-5 Structure layout (open front doors) Distribution switch is not allowed to connect with external power source.
  • Page 21 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 2 Overview Figure2-6 DC electric disconnect switch Before maintenance or wiring, ensure that the PCS is powered off and all external switches are disconnected. DC Fuse DC fuse (detailed position please see Figure2-7) is the protection of energy storage batteries and the PCS.

  • Page 22: Ac Breaker

    Power Conversion System BCS-B-H Series (1000K-1500K) 2 Overview User Manual Table2-2 DC fuse requirement Item DC fuse Rated working voltage 1500VAC Rated current 3000A Recommended model and CBMG-3000/BUSSMAN brand 2.3.2 AC Breaker AC breaker is the connection switch of PCS and power grid, the detailed position is as shown in ○...
  • Page 23 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 2 Overview Figure2-8 External wiring terminal bar diagram Table2-3 XT1 definition Definition Definition BMS communication: CAN-H External contactor control dry contact BMS communication: CAN-L PC communication: RS485-A Smog alarm PC communication: RS485-B...

  • Page 24: Work Principle

    Power Conversion System BCS-B-H Series (1000K-1500K) 2 Overview User Manual Table2-4 XT2 definition Definition Definition External temperature controller Battery switch detection dry contact detection 2.4 Work Principle The PCS realizes the bidirection conversion between inversion and rectification in grid and batteries through three-phase full-bridge PCS.
  • Page 25 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 2 Overview Normal halt Mode turns to grid-tied charge No fault and work mode from grid-tied discharge is grid-tied discharge Grid-tied Grid-tied Startup discharge charge Mode turns to grid-tied discharge from grid-tied charge...

  • Page 26: Work Mode

    Power Conversion System BCS-B-H Series (1000K-1500K) 2 Overview User Manual Fault When any fault is detected, if the system is running, it will stop running immediately and disconnect the connection with grid and load. At this status, ALARM indicator lights on, buzzer beeps and the touch screen shows the current fault.

  • Page 27: Communication Way

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 2 Overview 2.7 Communication Way 2.7.1 Monitor Mode The PCS has various monitor ways, which makes user obtain current running data of PCS conveniently. We provide two monitor modes as follows. Monitor by RS485 information collector ……...
  • Page 28 Power Conversion System BCS-B-H Series (1000K-1500K) 2 Overview User Manual RS485 or CAN Figure2-14 Communication between PCS and BMS All rights reserved © Kehua Data Co., Ltd.

  • Page 29: Installation

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 3 Installation 3 Installation This chapter mainly introduces the installation of the PCS, including the preparation before installing, the requirements for installing environment, installation of the PCS, electrical connection, etc. Only trained and qualified person with high voltage and AC power can install the PCS.

  • Page 30: Installation Preparation

    Power Conversion System BCS-B-H Series (1000K-1500K) 3 Installation User Manual 3.2 Installation Preparation 3.2.1 Installation Tools Tools All rights reserved © Kehua Data Co., Ltd.

  • Page 31: Installation Environment

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 3 Installation The installation tools must be insulated to avoid electric shock. 3.2.2 Installation Environment Before installation, ensure that the installation site satisfy the basic condition of safety and normal operation. If the site condition is not OK, please do corresponding transform.

  • Page 32: Heat Dissipation Requirements

    Power Conversion System BCS-B-H Series (1000K-1500K) 3 Installation User Manual  In narrow space, to ensure enough air income rate and convenient maintenance, the device can be installed against the wall. Figure3-2 Installation space diagram 3.2.4 Heat Dissipation Requirements To ensure the PCS work in good status, the installation space should be with good ventilation.

  • Page 33: Transportation

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 3 Installation Figure3-3 Air flue diagram for heat dissipation Please clean the dust and barrier on the air inlet and outlet regularly (every 3 months). The heat dissipation air flue should be designed by professionals. When using heat dissipation air flue, the top installation clearance in Figure3-2should be adjusted according to the actual size of air flue.

  • Page 34: Forklifttransportation

    Power Conversion System BCS-B-H Series (1000K-1500K) 3 Installation User Manual  The PCS must be transported by trained professionals.  While transporting, please move gently and avoid impacting or dropping.  If the PCS needs to be stored for long time after unpacking, it is suggested to pack the device by original plastic bag.

  • Page 35: Unpacking

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 3 Installation Figure3-5 Lift transportation 3.4 Unpacking For the package is large, please select the package site in advance. In principle, the package site should be as close as possible to the installation site.
  • Page 36 Power Conversion System BCS-B-H Series (1000K-1500K) 3 Installation User Manual Figure3-6 Insert position Step 3 Unpack the external package. Remove the foam pad and plastic bag, take out the accessories and built-in data. For easy package and transportation in the future, please put the package material into the box and save properly.

  • Page 37: Installation Procedure

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 3 Installation 3.5 Installation Procedure In this section, we take the ground installation as an example. If adopt U-steel installation or other installation way, please adjust the installation procedure on the basis of actual condition.
  • Page 38 Power Conversion System BCS-B-H Series (1000K-1500K) 3 Installation User Manual Figure3-9 Size Step 2 Drill 6 installation holes of expansion bolt on the ground by impact drill according to the installation holes size of pedestal, as shown in Figure3-10. Figure3-10 Installation hole size of pedestal (unit: mm) The drilling holes size of expansion bolt M12 isΦ16.5, the exposed part of expansion bolt must be...
  • Page 39 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 3 Installation Figure3-11 Expansion bolt installation diagram The outer height of expansion bolts should be within 50mm. Step 4 Move the PCS from wooden bracket to the ground, and align the bottom installation hole at the expansion bolt.

  • Page 40: Electrical Connection

    Power Conversion System BCS-B-H Series (1000K-1500K) 3 Installation User Manual 3.6 Electrical Connection 3.6.1 Wiring Requiremnts Grid-tied power generation should be allowed by local power supply department and operated by professionals. Ensure that the AC and DC side is without electricity when wiring.
  • Page 41 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 3 Installation Step 2 Dismantle the wire cover plate of AC side and DC side. Step 3 Connect the grounding wire. Lead the grounding wire go through the bottom wiring hole (as shown in Figure3-13), and connect it to the grounding terminal bar (as shown in Figure3-14).
  • Page 42 Power Conversion System BCS-B-H Series (1000K-1500K) 3 Installation User Manual When connecting grounding wire, please ensure all grounding wires and grounding devices are connected with earth reliably, which is to avoid electrification on the outer cover of the device. The grounding of the PCS cannot be the same as the lightning rod of installed building, the two must be separated (as shown in Figure3-15).
  • Page 43 3 Installation Figure3-16 Wiring diagram of AC output side The BCS-B-H series (1000K-1500K) PCS is without built-in transformer, the output voltage of BCS1000K-B-H respectively are 440V (line voltage), the output voltage of BCS1250K-B-H respectively are 550V (line voltage), and the output voltage of BCS1500K-B-H respectively are 600V (line voltage).
  • Page 44 Power Conversion System BCS-B-H Series (1000K-1500K) 3 Installation User Manual Figure3-18 Wiring diagram of DC side When connecting the input wires of DC side, the input current of BCS1000K-B-H should not exceed 1603A, the input current of BCS1250K-B-H should not exceed 1754A, the input current of BCS1500K-B-H should not exceed 1871A.

  • Page 45: Check The Installation

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 3 Installation 3.7 Check the Installation To ensure normal operation, after all installation and wiring is finished, please check the following items.  Check if the installation environment meets the requirement.  Check if the installation clearance is with enough heat dissipation space to ensure normal work.

  • Page 46: Touch Screen Operation

    Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual 4 Touch Screen Operation This chapter mainly introduces the touch screen operation of the BCS series PCS, including the function of touch screen, menu structure, main interface, startup and shutdown, setting, etc.

  • Page 47: Main Page

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation The parameter value in the figures of this chapter is just for illustration, the actual interface please take the touch screen display of received product as the standard.

  • Page 48: Login

    Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Table4-1 Running status description Running status Description Charge PCS is on and charging Discharge PCS is on and discharging Charge derating PCS is on and running in charge derating status for over-temperature.
  • Page 49 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-4 Login page Enter the password and click ENT button, as shown in Figure4-5, then click Login icon. Figure4-5 Enter password page The user password includes two-level limit. For the initial password 111, user can change the password, user can check the other parameters but cannot change them.

  • Page 50: On/Off

    Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Figure4-6 Authority personnel page 4.4 ON/OFF 4.4.1 ON When the PCS is off, click icon in the default main page, it will enter ON/OFF control page, as shown in Figure4-7.

  • Page 51: Energy Query

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-8 Confirm to power off page Click OK to power off, click Cancel to give up the power off operation. 4.5 Energy Query In the default main page, click icon, it will enter Energy Query page, as shown in Figure4-9.

  • Page 52: Monthly Energy

    Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Figure4-10 Daily energy query page (graph) Figure4-11 Daily energy query page (Table) When selecting Table, you can select the month by pull-down list and enter the inquired month to inquire the daily energy in that month.

  • Page 53: Total Energy

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-12 Monthly energy query page (graph) Figure4-13 Monthly energy query page (table) When selecting Table, you can select the year by pull-down list to inquire the monthly energy in that year.

  • Page 54: Function

    Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Figure4-14 Total charge &discharge query page 4.6 Function In the default main page, click icon, it will enter the Function page, as shown in Figure4-15. The function page includes the following contents: running information, historical information, system information, setting.
  • Page 55 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-16 Running information page Click System to show the other running information, as shown in Figure4-17. Here take the running information of Unit 1 as an example, and the running information of Unit is shown in Figure4-18...

  • Page 56: History Information

    Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Click Next to check the other running information, as shown in Figure4-19. Figure4-19 Running information page Click Battery, the interface can switch to the battery running information page, as shown in Figure4-20.

  • Page 57: About

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-21 History information page 4.6.3 About In the Function page, click About icon, the touch screen will enter the system information page, as shown in Figure4-22. Figure4-22 System information page 4.6.4 Setting...
  • Page 58 Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Figure4-23 Setting page Engineering setting In the Setting page, click Engineering icon, the touch screen will enter the engineering setting page, as shown in Figure4-24. Figure4-24 Engineering setting page ...
  • Page 59 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-25 Common setting page 1 Figure4-26 Common setting page 2 Table4-2 Setting range of common setting Parameters Setting range Mode auto switch Manual grid-tied/off-grid mode Grid-tied, Off-grid Initiative islanding...
  • Page 60 Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Parameters Setting range Active power Unit: 0.1kW Reactive power Unit:1kVar Power factor Unit: 0.01 Constant current Unit: 0.1A Emergency power Unit: 0.1kW Fault recovery time Unit: 1s Insulation detection...
  • Page 61 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-28 Setting successful prompting  Battery setting The battery setting page is as shown in Figure4-29. The page contains the setting of battery over-voltage protection, equalized charge voltage, floating charge voltage, battery under-voltage...
  • Page 62 Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Figure4-30 Battery setting page 2  Profit set The profit setting page is as shown in Figure4-31. The page includes charge-discharge time and electricity price setting. Figure4-31 Profit setting page There are 12 period amount reserved for charge and discharge time setting, as shown in Figure4-32.
  • Page 63 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-32 Charge & discharge time setting page If the time period setting error, the touch screen will pop up the corresponding warning prompting window, as shown in Figure4-33.
  • Page 64 Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Figure4-34 Electricity price set page 1 Figure4-35 Electricity price set page 2 If the time interval coincides, the touch screen will pop up the warning prompting, as shown in Figure4-36.
  • Page 65 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Communication set In the Setting page, click Communication icon, the touch screen will enter the corresponding setting page, as shown in Figure4-37. In this page, user can modify the communication parameter of network (as shown in Figure4-37), Modbus (as shown in Figure4-38), 104 communication (as shown in Figure4-39, Figure4-40).
  • Page 66 Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Figure4-39 104 communication setting page 1 Figure4-40 104 communication setting page 2 Screen setting In the Setting page, click Screen icon, the touch screen will enter the screen setting page, as shown in Figure4-41.
  • Page 67 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation Figure4-41 Screen setting page Log manager In the Setting page, click Log manage icon, the touch screen will enter the Figure4-42. Figure4-42 Log manage page After inserting the USB flash drive, click the corresponding function icon, battery power, the historical log, wave capture, energy data can be exported.
  • Page 68 Power Conversion System BCS-B-H Series (1000K-1500K) 4 Touch Screen Operation User Manual Figure4-43 Password set page After login, user can modify the password. Energy calibration In the Setting page, click Energy Calibration icon, the touch screen will enter the corresponding page, as shown in Figure4-44.

  • Page 69: Current Fault

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 4 Touch Screen Operation ----End Reset In the Setting page, click Reset icon, touch screen pop up the Confirm to restore default settings page, as shown in Figure4-45. Restore settings will set the parameters in system setting to default.

  • Page 70: System Commissioning

    Power Conversion System BCS-B-H Series (1000K-1500K) 5 System Commissioning User Manual 5 System Commissioning This chapter mainly introduces the system commissioning of the PCS. 5.1 Running Operation Please re-confirm DC and AC voltage according with allowable range of the PCS.

  • Page 71: Power Off In Emergency Or Fault

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 5 System Commissioning Step 5 Close the front door of PCS, lock the handle (as shown in Figure5-1), and pull out the key and keep it properly. Figure5-1 Diagram for locking the handle...
  • Page 72 Power Conversion System BCS-B-H Series (1000K-1500K) 5 System Commissioning User Manual ----End All rights reserved © Kehua Data Co., Ltd.

  • Page 73: Routine Maintenance

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 6 Routine Maintenance 6 Routine Maintenance This chapter mainly introduces the maintenance and safety precautions, preventive maintenance and maintenance procedure, etc. 6.1 Maintenance Guide The correct maintenance is the key of the best operation for PCS. It can prolong the device service life.

  • Page 74: Preventive Maintenance

    Power Conversion System BCS-B-H Series (1000K-1500K) 6 Routine Maintenance User Manual Checking items Cycle Inflammable gas alarm Yearly Smoke detector and heat detector and auto alarm device Yearly Grounding and ground connection resistance test Yearly Dust grain density measuring Yearly 6.1.2 Preventive Maintenance...
  • Page 75 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 6 Routine Maintenance Item Check method Period 9. Check the filter screen behind the air inlet and see if it's function is normal. Note: the air inlet holes must be checked. Or, once the holes blocked, the PCS will not be cooled effectively, even over-temperature and fault.
  • Page 76 Power Conversion System BCS-B-H Series (1000K-1500K) 6 Routine Maintenance User Manual Item Check method Period fans 3. Check if there is any abnormal vibrating noise on fan when running. Note: if the fan is abnormal, please replace it in time, which is avoid the PCS fault caused by over-temperature.

  • Page 77: Safety Precautions

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 6 Routine Maintenance  The maintenance period in above table are just the recommended maintenance period, actual period should be decided by actual installation and use environment. The power station size, location and environment all may influence the routine maintenance period.

  • Page 78: Troubleshooting

    Power Conversion System BCS-B-H Series (1000K-1500K) 7 Troubleshooting User Manual 7 Troubleshooting This chapter mainly introduces the dispose methods of general faults. 7.1 Rectifying Common Faults Once the PCS fault, the ALARM indicator lights on, the buzzer sends alarm, and the touch screen shows the current fault, at the same time, the PCS halts.
  • Page 79 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 7 Troubleshooting Phenomenon Possible reason Solution 2. Contact the battery manufacturer in time. voltage smaller than allowable battery heavy-load voltage. Fan abnormal 1. The fan is blocked. 1. Clean the dust or sundries on the fan.
  • Page 80 Power Conversion System BCS-B-H Series (1000K-1500K) 7 Troubleshooting User Manual Phenomenon Possible reason Solution alarm is too high. ventilation holes unblocked. 3. Air inlet or outlet holes are 2. Replace the inner cooling fan. blocked. 3. Lower the temperature of air inlet holes.
  • Page 81 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 7 Troubleshooting Phenomenon Possible reason Solution 2. Check the wires of AC and DC side, and see if the wires are damaged. 3. Contact the manufacturer in time. DC over-voltage DC voltage larger than max.
  • Page 82 Power Conversion System BCS-B-H Series (1000K-1500K) 7 Troubleshooting User Manual Phenomenon Possible reason Solution manufacturer in time. After discharge completely, prohibits BMS system sent no-discharge maintain the BMS system, if the fault still battery signal. exists, please contact battery discharging manufacturer in time.
  • Page 83 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 7 Troubleshooting Phenomenon Possible reason Solution 1. The wiring remote communication is not in 1. Check connection IEC61850 remote good connection. communication wire good communication connection and not reversed connected. 2. The address and baud rate of...
  • Page 84 Power Conversion System BCS-B-H Series (1000K-1500K) 7 Troubleshooting User Manual Phenomenon Possible reason Solution communicaiton communication wire is not in wire abnormal. good condition. 2. The parallel communication is reversed connected. Battery Battery voltage is lower than the 1. Check if the battery configuration is...

  • Page 85: Maintenance Operation Procedure

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 7 Troubleshooting Phenomenon Possible reason Solution same when several PCS parallel accordance with each other's, and the connected. address of each PCS must be different. fuse DC fuse is damaged Replace DC fuse.
  • Page 86 Power Conversion System BCS-B-H Series (1000K-1500K) 7 Troubleshooting User Manual If the PCS needs to be shut down, it is necessary to power off through screen, and then operate the switches, or, it may cause fault even damage the PCS.

  • Page 87: Package, Transportation And Storage

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual 8 Package, Transportation and Storage 8 Package, Transportation and Storage This chapter mainly introduces the related announcements of the energy storage during package, transportation and storage 8.1 Package The package of product is wooden box. When packaging, pay attention to the placing direction requirements.

  • Page 88: A Technical Specifications

    Power Conversion System BCS-B-H Series (1000K-1500K) A Technical Specifications User Manual Technical Specifications Model BCS1000K-B-H BCS1250K-B-H BCS1500K-B-H Item (440Vac) (550Vac) (600Vac) Max. DC voltage (Vdc) 1500 Max. DC current (A) 1603 1754 1871 Setting range of charge & discharge current (A)
  • Page 89 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual A Technical Specifications Model BCS1000K-B-H BCS1250K-B-H BCS1500K-B-H Item (440Vac) (550Vac) (600Vac) Rated grid frequency (Hz) 50/60 49.5～50.2 (settable)\59.5~60.2 (settable) Grid frequency range (Hz) >0.99(rated power) Power factor 0.8 ahead～0.8 lag (adjustable) Grid-tied current THDi <3%(rated power)
  • Page 90 Power Conversion System BCS-B-H Series (1000K-1500K) A Technical Specifications User Manual Model BCS1000K-B-H BCS1250K-B-H BCS1500K-B-H Item (440Vac) (550Vac) (600Vac) Environment temperature -30～65 (>50℃ derating) ( ℃ ) ＜80 Noise (dB)  Specifications are subject to change without prior notice. All rights reserved © Kehua Data Co., Ltd.

  • Page 91: B Fasten Torque List

    Power Conversion System BCS-B-H Series (1000K-1500K) User Manual B Fasten Torque List Fasten Torque List Specification Connection type Steel-steel (N· m) 0.7~1 1.8~2.4 4~4.8 18~23 34~40 60~70 119~140 The connection type in above table is that material of connecting part (bolt-screw hole).

  • Page 92: C Quality Assurance

    Power Conversion System BCS-B-H Series (1000K-1500K) C Quality Assurance User Manual Quality Assurance If the PCS fault in guarantee period, Kehua Data Co., Ltd. (hereinafter referred to as Kehua Company) will maintenance it free or replace new product. Evidence In guarantee period, user needs to show the purchase invoice of the product, and the trademark on the product must be clearly visible, or, Kehua Company have right to refuse the quality assurance.
  • Page 93 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual C Quality Assurance  Damage caused by abnormal nature environment. If the fault is caused by above situation and user requires to maintain it, we can provide paid maintenance service after our service organization decided.

  • Page 94: D Acronyms And Abbreviations

    Power Conversion System BCS-B-H Series (1000K-1500K) D Acronyms and Abbreviations User Manual Acronyms and Abbreviations Alternating Current DANGER Direct Current Digital Signal Processor Emergency Power Off MPPT Maximum Power Point Tracking Recommend Standard232 RS232 RS485 Recommend Standard485 All rights reserved © Kehua Data Co., Ltd.
  • Page 95 Power Conversion System BCS-B-H Series (1000K-1500K) User Manual D Acronyms and Abbreviations THDi Total Distortion of the input current waveform Universal Serial Bus All rights reserved © Kehua Data Co., Ltd.
  • Page 96 4402-02858 005...

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