前清河石门变一起40.5kV断路器故障分析

Failure Analysis of a 40.5 kV Circuit Breaker in Shimen Substation of Qinghe River

前清河石门变40.5 kV泰兴出线柜断路器发生灭弧室炸裂故障,经实际勘察现场,走访用户,取得第一手资料.针对40.5 kV泰兴出线开关柜负载电弧炉,查找和分析事故的原因,得出事故结论,提出了解决方案,为泰兴钢厂后续安全供电提供保障,解决后顾之忧.

The 40.5 kV Taixing outlet cabinet circuit breaker of Qianqinghe Shimen Substation has an arc-extinguishing chamber explosion failure.The author actually surveyed the site,visited the user,obtained first-hand information,and targeted the 40.5 kV Taixing outlet switch cabinet load as an arc furnace.The cause of the accident,the conclusion of the accident was reached,and a solution was proposed to provide guarantee for the subsequent safe power supply of Taixing Steel Plant and solve the worries.