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电流互感器二次断线会如何
更新时间: 2020-10-26 00:00:00  

电压互感器二次断线时,发出预告信号,电压回路断线光字牌亮,低电压继电器动作,频率监视灯灭.表计指示不正常,同期检查继电器有响声.

处理:首先考虑互感器所带继电器保护自动装置,防止误动作.再检查熔断器是否熔断,若熔断器熔断应立即更换,再熔断时,应检查原因,不得加大熔断器容量.如二次熔断器完好,应检查接头是否松动,切换回路是否接触不良,或回路是否断线,在检查过程中应防止保护误动.

关键词: 电流 互感器 如何

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