动力电池绝缘电阻检测系统设计  

作　　者：李恒 涂浡 马季军[1] 

机构地区：[1]上海空间电源研究所,上海200245

出　　处：《科技创新与应用》2020年第21期83-85,共3页Technology Innovation and Application

摘　　要：文章提出一种动力电池绝缘电阻检测系统,采用外接电阻切换测量法设计绝缘电阻检测系统,搭建试验平台对电池组绝缘电阻进行测试,结果表明系统可以正确测量1kΩ到300kΩ之间的绝缘电阻,检测误差均在7%以下,精度满足实际工程需要,用电设备绝缘失效时及时提供预警,提高用电设备安全性能。In this paper,a power battery insulation resistance detection system is proposed,which adopts the external resistance switching measurement method to design the insulation resistance detection system and build an experimental test platform,in order to test the insulation resistance of the battery pack.The results show that the system can correctly measure the insulation resistance between 1kΩand 300kΩ,the detection error is less than 7%,the accuracy meets the actual engineering needs and improves the safety performance of power equipment.

关 键 词：动力电池 绝缘电阻 正负母线 

分 类 号：TM933[电气工程—电力电子与电力传动]