High Performance EV Battery
Test System
The 6V series battery test system can achieve a wider voltage range and higher equipment accuracy, providing a tailored test solution for high standard laboratories
Detailed Introduction
The 6V series battery test system uses a full-bridge circuit topology with a higher digit sampling chip. It can provide higher precision and more dynamic test data, and can provide a complete test program for mainstream lithium-ion batteries and batteries with a variety of material systems such as sodium batteries.
System Features
Ultra-high Accuracy Test
Voltage Accuracy：0.02%F.S.
Current Accuracy：0.02%F.S.
High Regenerative Efficiency
Advanced three-level technology, high efficiency & low loss Energy feed back to the grid, 75% efficiency
High-speed Roadmaps
1ms fast current response 10ms roadmap
Flexible Expansion
Integrated voltage\temperature\ expansion force\temp chamber\Water chiller etc., efficient linkage
KEY SYSTEM PARAMETERS
| Model | BTS-6V200A16CH | BTS-6V300A16CH | BTS-6V400A16CH | BTS-6V600A8CH | BTS-6V1200A4CH | BTS-6V2400A2CH |
|---|---|---|---|---|---|---|
| Max Power | 19.2kW | 28.8kW | 38.4kW | 28.8kW | 28.8kW | 28.8kW |
| Channels Quantity (Customizable) | 16CH | 16CH | 16CH | 8CH | 4CH | 2CH |
| Voltage Parameters | ||||||
| Charge and Discharge Voltage Range | -6V~6V (Support Voltage Expansion 10V) | |||||
| Voltage Accuracy | ± 0.02%F.S. | |||||
| Voltage Resolution | 0.01mV | |||||
| Current Parameters | ||||||
| Output Current Range | -200A ~ 200A | -300A ~ 300A | -400A ~ 400A | -600A ~ 600A | -1200A ~ 1200A | -2400A ~ 2400A |
| Current Range | 4A/20A/200A | 4A/30A/300A | 4A/40A/400A | 6A/60A/600A | 12A/120A/1200A | 24A/240A/2400A |
| Current Accuracy | ± 0.02%F.S. (Based on current range) | |||||
| Current Resolution | 0.01mA | |||||
| Charge And Discharge Test Parameters | ||||||
| Rising Time | ≤1ms | |||||
| Switching Time | ≤2ms | |||||
| Minimum Recording Time | 1ms / 0.1mV / 0.1mA | |||||
| Charge-discharge Operation Mode | CC, CV, CP, CC-CV, CR, DCIR, Pulse, Drive simulation and other modes | |||||
| Drive Simulation for EVs | 10ms operating condition, 1000w+ lines of text, support Excel import | |||||
| Channel Parallel | Supports parallel connection of 6400A (channel current accuracy after parallel connection meets ±0.02% F.S.) | |||||
| Efficiency | Charge efficiency: 80%; Feedback efficiency: 75% | |||||
FAQ
Battery voltage exceeds the upper voltage limit, confirmation time 0.2s
- 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.
- 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.
- 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.
- Check the corresponding battery for any obvious swelling, damage, or other abnormalities. If there are issues, take necessary safety measures.
- If the battery and voltage sampling lines are normal, confirm that the DC board is faulty and replace it.
Battery voltage is lower than the lower voltage limit, confirmation time 0.2s
- 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.
- 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.
- 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.
- Check the corresponding battery for any obvious swelling, damage, or other abnormalities. If there are issues, take necessary safety measures.
- If the battery and voltage sampling lines are normal, confirm that the DC board is faulty and replace it.
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.
- Check if the module and the middle computer are in a normal powered-on state.
- Check if the CAN connection between the module and the middle computer is normal.
- Check if the CANA dip switch is set correctly.
- 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.
- 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.
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