某发—变组差动保护误动作原因分析

Reason Analysis of Error Operation of the Differential Protection in the Unit

针对太原刚玉东山热电厂 1#发—变组差动保护误动作造成的停机事故进行分析、测量 ,找出误动原因 。

The generator stopping accident caused by error operation of the differential protection in the first generator and transformer unit in our station is analysed and tested,to find out the reasons of error operation and to remind relay protection work to be high responsibility.