电动汽车高电压连接故障注入及在驱动电机故障研究中的应用

High Voltage Connecting Fault Injection and Application in Drive Motor Fault Research

高压电安全是电动汽车研发和使用过程中需面临的安全风险。针对电动汽车高电压系统中存在的连接故障风险,阐述了一种电动汽车高压电连接故障注入方法以及在驱动电机上实施三相不平衡故障注入的试验,对电机三相不平衡引起的电动汽车驱动系统故障现象进行了分析。

High voltage safety problem is a serious risk both in electric vehicle developing and using. The technology of high voltage connecting fault in electric vehicle, and a method of high voltage connecting fault injection and its application in drive motor fault research is described. The experiment of motor unbalanced three - phase is researched.