word格式-可编辑-感谢下载支持BMS测试总结报告产品名称拟制人审核人批准人PWEV03张春林实验环境日期日期日期实验室目录1概述........................................................................................................................................22试验条件及工具....................................................................................................................23试验内容................................................................................................................................3word格式-可编辑-感谢下载支持3.1BMS功耗.........................................................................................................................33.2BMS单体/总电压采集精度............................................................................................33.3BMS电流采集精度.........................................................................................................43.4BMS温度采集精度.........................................................................................................43.5BMS故障报警及保护功能.............................................................................................53.6SOC测试..........................................................................................................................53.7CAN通信测试..................................................................................................................63.8均衡性能对能量密度比的提升测试..............................................................................65测试总结................................................................................................................................81概述本报告主要总结安装在某电池科技有限公司实验室内模拟平台上的钜威BMS测试项目、测试方法及测试结果。2试验条件及工具试验条件BMS已安装在某实验室内模拟平台上(1主1从,20串,标称容量70AH),BMS部分功能及性能需word格式-可编辑-感谢下载支持在整车上完成测试。如无特殊说明时,环境温度应为20℃-25℃,相对湿度为45%-75%,电池SOC80%左右。试验工具名称钳流表电压表计时器充电机型号Fluke375Fluke手机秒表TBT-120V/200A3试验内容3.1BMS功耗测试标准:BMS(1主控+1从控+1EV200接触器)功耗平均值小于20w。测试方法:用电压表测试BMS供电电压V1,使用电流表测试BMS供电总电流A1。P(BMS功耗)=(V1*A1)序号12345V1(v)24V24V平均功耗A1(A)0.945(最大值)0.35(最小值)P(w)22.68w8.4w15.4w测试结论:按上述条件测试,BMS的功耗平均值约为15.4w(含接触器)。3.2BMS单体/总电压采集精度测试标准:单体电池电压采样精度±5mv,总电压精度≤±2%FS。测试方法:电池静置20MIN后,使用电压表测试第1箱电池前20节单体电压及电池组总电压并记录。使用上位机监控1#BMU电压并记录。电池编号12345电压真实值(v)BMS采集值(v)误差(mv)3.1573.1603.1553.1593.1573.1573.1603.1543.1593.15800-101判据≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv结果PASSPASSPASSPASSPASSword格式-可编辑-感谢下载支持67891011121314151617181920总电压3.1523.1533.1573.1653.1573.1613.1593.1633.1583.1643.3053.3053.3063.3053.30570.34最大误差3.1533.1533.1563.1653.1573.1613.1613.1623.1583.1643.3053.3063.3053.3053.3067010-10002-10001-1010.4%2mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±5mv≤±2%FS合格PASSPASSPASSPASSPASSPASSPASSPASSPASSPASSPASSPASSPASSPASSPASSPASS测试结论:按上述条件测试,最大误差为2mV,满足测试要求。3.3BMS电流采集精度测试标准:电流精度≤±5%FS;30A以内≤±1A(500A满量程)测试方法:将...