IGBT逆变器短路保护试验与分析  

Test and analysis of short circuit protection for IGBT inverter

作　　者：郑琼林[1] 王儒[2] 郝荣泰[1] 

机构地区：[1]北方交通大学电气工程系,北京100044 [2]大同西电力机务段技术科,山西大同037300

出　　处：《机车电传动》2001年第3期19-21,共3页Electric Drive for Locomotives

摘　　要：电力半导体器件故障电流 (特别是短路电流 )的确认与及时有效保护 ,对电力机车交流装置的可靠工作至关重要。介绍了为 8K型电力机车开发的 IGBT辅助逆变器的短路电流检测和保护方案 ,给出了试验结果 ,分析了试验波形的浪涌和振荡现象。Acknowledge and in time effective protection of power semiconductors from fault current is of utmost importance for the reliable operation of AC equipment on electric locomotive. Short circuit current detection and protection scheme of IGBT auxiliary inverter developed for 8K electric locomotive is suggested,with the test result given, and surge & oscillation of experimental waveform analyzed.

关 键 词：IGBT逆变器 故障电流 短路保护 电力机车 交流装置 

分 类 号：U264.372[机械工程—车辆工程]