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Container BESS Test System

The Container BESS Test System combines ultra-high accuracy, ultra-wide voltage and current output, fast dynamic response, and high regenerative efficiency to provide a comprehensive testing platform for containerized battery energy storage systems.

Detailed Introduction

The Container BESS Test System uses the SINEXCEL-RE’s superior high-power regenerative technology with ultra wide range voltage and current output, high accuracy, fast dynamic response and up to 96% regenerative efficiency. Capable of offering output power from 300 kW to 10 MW and charge/discharge voltage range up to 2500 V, the Container BESS Test System is aimed at meeting the demands of utility-scale battery energy storage system testing. It can offer functionality of charge-discharge cycling, capacity measurement, dynamic tests, grid simulation, drive cycle test as well as integration with BMS, environmental chamber, water cooling systems and communication standards including CAN, CAN FD and RS485.

System Features

Ultra-high Accuracy Testing

Voltage Accuracy: 0.05%F.S. Current Accuracy: 0.05%F.S.

Ultra-wide Voltage And Current Output

2500V High Voltage Charge /  Discharge, Compatible with various high voltage batteries Single channel 2400A high current test

High Regenerative Efficiency

SiC technology, 96% regenerative efficiency Ultra-high energy density 450+kW/m³

Flexible Expansion

Integrated BMS \ voltage \ temperature \ temperature chamber \ Water chiller etc. efficient linkage

Key System Parameters

Model
Voltage Parameters

Output Voltage Range

Charge Discharge from 100V to 2500V

Voltage Accuracy

±0.05% F.S at 25°C±5°℃

Voltage Resolution

1mV

Current parameters
Output Current Range
-200A ~ +200A
-400A ~+400A
-600A ~+600A
-1200A ~+1200A

Current Range

100A/200A

200A/400A

200A/400A/600A

200A/400A/600A/1200A

Current Accuracy
±0.05% F.S. at 25°C±5°℃

Current Resolution

1mA

Channels Quantity

2CH / 4CH (support for Customisation)

Output Power Parameters

Total Output Power

300kW to 10MW (support for Customisation)

Charge And Discharge Test Parameters

Rise Time

≤20ms

Switching Time

≤40ms

Min Recording Time

10ms / 1mV / 1mA

Charge-discharge Operation Mode

CC, CV, CP, CC-CV, CR, DCIR, Pulse, Grid Simulation,etc

Drive Simulation For EVs

50ms operating condition, 10 millions+lines text, support excel format input

Efficiency

Charging Efficiency: 96%; Regenerative Efficiency: 96%

FAQ

Battery Overvoltage
Battery voltage exceeds the upper voltage limit, confirmation time 0.2s
  1. Use a multimeter to measure the actual battery voltage and compare it with the voltage displayed on the BTS to check if the sample values are consistent.
  2. If the sample value and the actual value are not equal, confirm whether the issue is with the DC board or the wiring by swapping the sampling lines with adjacent channels. If the wiring is faulty, check for incorrect, loose, or poor connections in the voltage sampling lines.
  3. If the sample value and the actual value are equal, check if the upper computer step settings are reasonable and determine if the battery overvoltage occurs as soon as the step runs or at a specific point during the step.
  4. Check the corresponding battery for any obvious swelling, damage, or other abnormalities. If there are issues, take necessary safety measures.
  5. If the battery and voltage sampling lines are normal, confirm that the DC board is faulty and replace it.
Battery Undervoltage
Battery voltage is lower than the lower voltage limit, confirmation time 0.2s
  1. Use a multimeter to measure the actual battery voltage and compare it with the voltage displayed on the BTS to check if the sample values are consistent.
  2. If the sample value and the actual value are not equal, confirm whether the issue is with the DC board or the wiring by swapping the sampling lines with adjacent channels. If the wiring is faulty, check for incorrect, loose, or poor connections in the voltage sampling lines.
  3. If the sample value and the actual value are equal, check if the upper computer step settings are reasonable and determine if the battery undervoltage occurs as soon as the step runs or at a specific point during the step.
  4. Check the corresponding battery for any obvious swelling, damage, or other abnormalities. If there are issues, take necessary safety measures.
  5. If the battery and voltage sampling lines are normal, confirm that the DC board is faulty and replace it.
Communication Failure
Module 6S does not receive data from the upper computer, switches to fault state. The fault is automatically cleared when the module receives data from the upper computer.
  1. Check if the module and the middle computer are in a normal powered-on state.
  2. Check if the CAN connection between the module and the middle computer is normal.
  3. Check if the CANA dip switch is set correctly.
  4. Measure the matching resistance between CAN H and CAN L on the CANA bus. It should be 60±5 ohms. If not, adjust the matching resistance on the signal adapter board. If the bus voltage is normal, check the BTS fault records to identify which sub-channel triggered the fault. Use debugging software tools to check if the bus voltage displayed for that channel is normal. If abnormal, it can be determined that the DC board's bus sampling is faulty, and the board should be replaced.
  5. If all the above points are normal, connect a CAN box and use the captured messages to determine whether the issue lies with the middle computer or the lower computer.

Our Products

Our range of battery test equipment includes various specialized test systems such as the Milliampere-level Test System, IT Battery Test System, and EV Battery Test System, among others

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