一起220kV变电站误操作事故的原因分析

对现有的电气误操作装置和实现方法做了概述,针对一起220千伏变电站在220千伏母恢复送电操作过程中,发生带接地刀闸合开关误操作事故来说明防误操作的必要性,并提出了相应的解决方法。

This paper summarizes the existing electrical misoperation devices and their implementation methods, and explains the necessity of preventing misoperation in a 220kV substation during the process of 220kV bus resuming power supply operation, when a misoperation accident occurs with the switch of the grounding knife. Finally, it puts forward the corresponding solution.