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Analysis of a Misoperation Accident in Three Phases Inconsistent Protection
Pages: 39-40,48
Year: Issue:  3
Journal: Guangxi Electric Power

Keyword:  三相不一致时间继电器保护误动断路器本体;
Abstract: 文章对新投产的500 kV变电站发生的一起三相不一致保护误动进行了探讨,对其误动原因进行了深入分析,对产生误动的铺助开关接点、三相位置不一致保护的零序电流起动定值过低等各种因素提出了相应的解决措施,对变电运行维护有一定的借鉴作用.
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