500kV变电站500kV线路开关跳闸事故处理及分析

Pocessing and Analysis of 500kV Line Switch Trip Event in 500kV Substation

针对一起500kV变电站500kV龙罗甲线开关跳闸事故,通过分析事故发生后一、二次设备的检查、试验内容,对线路开关跳闸故障原因进行判断,找出开关跳闸的根本原因及开关储能回路元件的设备紧急缺陷,并提出了相应的防范措施。

This paper introduces the processing of 500 kV Longluojia line switch trip in a 500 kV substation.The cause of the accident is analyzed in detail.The inspection of primary equipment and secondary equipment is introduced.The root cause of the switch trip is found.The emergency defect of the device for switching energy storage circuit is discovered.This paper puts forward the corresponding preventive measures.