基于输入电流的牵引变流器开关管开路故障诊断方法
陈怡恬
1
,陈特放
1
,成庶
1
,陈高华
2
,王晗
3
Input Current-Based Diagnosis Scheme for Power Transistor Open-Circuit Faultin Traction Converter
Yitian Chen
1
,Tefang Chen
1
,Shu Cheng
1
,Gaohua Chen
2
,Han Wang
3
图4.
VT
4
开路故障电流流向图
Fig.4.
Current flow chart under VT4 open-circuit fault