基于输入电流的牵引变流器开关管开路故障诊断方法
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陈怡恬,陈特放,成庶,陈高华,王晗
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Input Current-Based Diagnosis Scheme for Power Transistor Open-Circuit Faultin Traction Converter
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Yitian Chen,Tefang Chen,Shu Cheng,Gaohua Chen,Han Wang
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表3 δ值编码表
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Tab.3 Encode table of δ
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| 故障管周期 | δ | 编 码 | | 变量 | T1 | T2 | T3 | T4 | | 正常 | 00 | 00 | 00 | 00 | 00000000 | | VT4 | 00 | 00 | 00 | 00 | 00000000 | | VT3 | 00 | 00 | 00 | 00 | 00000000 | | VT1 | 00 | 01 | 00 | 00 | 00010000 | | VT2 | 00 | 00 | 00 | 10 | 00000010 | | VD2 | 00 | 01 | 01 | 00 | 00010100 | | VD1 | 10 | 00 | 00 | 10 | 10000010 | | VT6 | 01 | 00 | 00 | 01 | 01000001 | | VT5 | 00 | 10 | 10 | 00 | 00101000 | | VD4 | 00 | 10 | 10 | 00 | 00101000 | | VD3 | 01 | 00 | 00 | 01 | 01000001 |
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