某发电机逆功率保护动作跳机原因分析

Analysis of Trip Causes for Reverse Power Protection Action of a Generator

针对河南某电厂一起因发电机PT保险接触不良,造成机组并网后逆功率保护动作,机组跳闸的事件进行分析,查找出逆功率保护动作原因,总结暴露出的问题,并对如何预防此类事故发生提出防范措施。

In the case of a power plant in Henan province, due to poor contact with the PT fuse of generator, the reverse power protection action of the unit after gird connection was caused. The trip event of the unit was analyzed. The reasons for the reverse power protection action were found out, and the problems exposed were summarized. Preventive measures on how to prevent such accidents are put forward.