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.
出处
《机车电传动》
北大核心
2001年第3期19-21,共3页
Electric Drive for Locomotives