电池管理系统跨接采样对Pack性能的影响分析

Analysis of the impact of Battery management system Cross-sampling on pack performance

通过室温充放电容量及低soc脉冲放电测试分析电池管理系统(以下简称"BMS")跨接采样对Pack性能的影响,发现BMS有跨接采样(Yes Cross sampling)(以下简称"YCS")和无跨接采样(No Cross sampling)(以下简称"NCS")对Pack室温放电容量基本无影响;低soc(2%soc,5%soc,10%soc)脉冲放电试验发现:YCS放电末端压差较NCS大,通过增加跨接铜排截面积,可有效减小脉冲放电末端压差,提升Pack性能为结构布置提供参考。

Analysis of the impact of BMS cross-sampling on pack performance, through the room temperature charge/discharge capacity and low soc pulse discharge test, it was found that BMS has Yes Cross sampling(hereinafter referred to as "YCS") and no cross-sampling(hereinafter referred to as "NCS") has basically no effect on the room temperature discharge capacity of the pack;low soc(2%soc,5%soc,10%soc) pulse discharge test found that the voltage difference at the YCS discharge terminal is greater than NCS. Increasing the cross-sectional area of the cross-bar copper row can effectively decrease the voltage difference at the end of the pulse discharge, and improve the performance of the pack to provide reference for structural layout.