摘要
通过分析主变压器本体保护装置内部继电器在直流系统接地时误动的原因,揭示了保护选型的重要性,并提出了改进方法,避免误动事故再次发生。
The causes of misoperation of the relays in protecting devices of the main transformer during earthing of the DC system were analyzed. It showed the importance to select types of the protecting devices. The improvement methods were put forward to avoid such accidents, of misoperation.
出处
《冶金动力》
2006年第3期5-6,共2页
Metallurgical Power
关键词
变压器
保护
事故
transformer
protection
accident