一起油流继电器重瓦斯误动事故分析
Sichuan Electric Power Technology(2022)
Abstract
文中结合一起有载分接开关油流继电器重瓦斯保护误动导致220 kV变压器跳闸事故展开分析.通过对油流继电器干簧管的绝缘电阻测试、试验,结合现场检查、试验情况和故障录波对事故动作逻辑进行反复推演分析,找到了油流继电器干簧管的设计缺陷及事故诱因,并提出合理的整改建议.
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