390H发电机一次定子接地保护动作处理

Treatment of stator grounding protection device action in 390H generator

介绍了S109FA机组390H发电机的典型主接线及配套的G60保护2种定子接地的保护方法。论述了发电机定子接地保护动作的处理过程,分析了动作的原因,最后给出了S109FA机组事故处理中故障原因查找的建议。

The typical main connection of 390H generator of S109FA unit and two stator grounding protection methods of matched G60 device were introduced.The treatment process of stator grounding protection action was described,and the reasons of protection action were analyzed.At last,the suggestions for finding the fault reason in accident treatment of S109FA unit were given.