雷击线路故障保护动作原因分析

Cause Analysis of Lightning Line Fault Protection Action

某水电厂220 kV线路受雷击,造成GIS系统绝缘件损坏,引起母线保护、线路保护动作,说明二者动作的逻辑及原因分析。

In view of the damage of insulators in GIS system caused by lightning strike on 220 kV line of a hydropower plant,bus protection and line protection actions are caused,and the logic and cause analysis of the actions are explained.