天气预报 > 其他 > 零线漏电会跳闸吗
零线漏电会跳闸吗
更新时间: 2020-06-29 00:00:00  

零线对地漏电,会导致流过漏电断路器的电流不平衡,从而触发漏电断路器跳闸。如果零线在漏电保护器之后接地,也有电流流过漏电的地方,因此会引起跳闸。一根线对地有电流,就会导致零序互感器产生信号。只要有大于30mA时,漏电保护就会执行跳闸动作。零线带电是没有良好接地的体现,如果良好接地了,电流会流入地下,用电笔将会检测不出来。如果用电笔检测出零线带电,可能是零线断了,可能是接触不好,这是零线带电的原因结果。

关键词: 漏电 跳闸

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