Analysis of an explosion accident of lighting arrester
LIU Jianyue1, ZHANG Zhidong2
1. Skill Training Center of Shanxi Electrical Power Company (Shanxi Electric Power Technical College), Taiyuan 030000; 2. Maintenance Company of State Grid Shanxi Electrical Power Company, Taiyuan 030032
Abstract：The handling process of a 220kV lighting arrester explosion accident is introduced in this paper. Through the on-site disassembly and careful inspection of the arrester, referring to the equipment operation and repair and test records, the cause of the explosion is analyzed. It is confirmed that the damping of the arrester due to poor sealing is the main cause of the accident. Combined with the operation of the substation, targeted live detection is suggested to detect the damping, aging and other hidden dangers of the arrester in time, and take appropriate measures to prevent the accident from happening again.
2023, Vol. 24 
