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Operation analysis of spare power automatic switch device after 110 kV circuit breaker manually opening in Luojiazhuang transformer substation
Pages: 141-142
Year: Issue:  5
Journal: Relay

Keyword:  110kV断路器备自投误动作解决方案;
Abstract: 罗家庄变电站110 kV部分为内桥接线,备自投方式采用分段断路器自投与两条110 kV进线自投自适应方式,在对进线断路器进行手动分闸时备自投装置误动作.通过对备自投装置进行实地检查,认真分析,查找故障出现原因,针对该问题提出三种解决方案,采用最合适的方案进行整改,将汇控柜内断路器就地操作把手摘除,避免就地操作,从而使备自投装置能正确动作.
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