发电机封母受潮的危害及防范措施

Harm of Generator Enclosed Bus Wetting and Countermeasures

简单介绍了大唐国际张家口发电厂3、4号机组由于发电机封闭母线受潮导致定子接地保护报警、动作跳闸的事故经过,分析了3号机组零序电压报警的原因及处理措施。

This paper introduces the fault course that the stator ground protection alarming and tripping caused by generator enclosed bus wetting of units 3 ＆ 4 in Zhangjiakou Power Plant, analyzed the cause of null sequence voltage alarming of unit 3 and the handling measures.