一起110kV开关爆炸事故分析

Analysis of the blast accident on a 110 kV circuit breaker

针对220 kV五陂下变电站一台110 kV SF6开关雷击爆炸事故,从系统接线方式、事故现场状况、故障录波信息及雷电查询情况等方面对事故原因进行了详细分析,并提出具体防范措施。对减少线路断路器由于雷击而引起的恶性事故具有较好参考价值。

This paper introduces an lightning strike blast accident on one 110kV SF6 circuit breaker in 220kV Wupixia substation and analyses the causes of the accident through the aspects such as the systematic wiring diagram, the locale status, failure information on recorder and the circ of the lighting checking, the measures for prevention were also put forward.