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空开跳闸什么原因

更新时间: 2020-08-18 00:00:00     

空开跳闸主要有以下几个原因:

1、过载保护跳闸,当电流超过额定电流,并达到所设定的过载延时时间,断路器跳闸保护;2、缺项保护跳闸,三项电路中某一项缺失,导致其余两路电流异常,断路器跳闸保护;3、短路保护,当断路器后端电路出现短路现象,并超过设定的短路短延时时间,断路器跳闸保护;4、漏电保护,断路器后端电路出现漏电,断路器跳闸保护;5、失压、欠压保护。

关键词: 跳闸 什么 原因

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