全电战斗车辆逆变器故障诊断研究

Research on Fault Diagnosis of Inverter for All Electric Combat Vehicle

为实现全电战斗车辆逆变器的故障诊断,在此分析了T型逆变器的开路故障特征,提出一种开路故障诊断策略,该策略不需要改变原电路结构或额外增加传感器,运算量小,易于工程实现,搭建了T型三电平逆变器实验平台,实验结果验证了所提故障诊断策略的可行性。

In order to realize the fault diagnosis of inverter for all electric combat vehicle, the fault characteristics of open circuit for T-type inverter is analyzed.A fault diagnosis method is proposed.The proposed fault diagnosis strategy does not need additional sensors,and it is easy to implement in engineering.Experimental results verify the feasibility of the proposed fault diagnosis strategy.