电闸半夜就跳闸白天没事

2025-03-24 17:45:36
推荐回答(5个)
回答1:

这个原因很多种可能。给你一个实例参考:我以前碰到一种情况,也是白天就没事.早上起来推上闸之后.一天都没事.然后到半夜就跳。后用兆欧表一段线路一段线路地找,后来找发现有一截电线对地电阻偏低,但是也不是很低,还算合格吧,不至于跳闸,其它线路正常。后来把这段线换下来仔细检查,发现绝缘皮有一个小小的划痕,估计问题就在这里。当地白天比较干燥,但是晚上会有结露的情况发生,夜晚用电器相继关闭,导线电流减少,发热也少,加上外表的结露,导致电线划痕处的对地电阻进一步降低,漏电开关跳闸。但是白天电线有发热,天气也干燥,电阻又上升到正常值,所以白天一切正常。
从你的描述来看,一定是有某段线路的电阻介于正常值和不正常值之间,可以用兆欧表一段一段地检查,把对地电阻偏低的线路更换即可。

回答2:

跳闸不是联电短路,就是有地方漏电,再有就是用电量过大,如果你确认闸没问题的话,你可以检查一下家里用电量大的电器插头,接口地方,插座等。最后在考虑检查线,因为线不好查,换线也比较麻烦。

回答3:

那是有连电的,你家邻居或者你自己家可能连电了,好好检查检查,我家经常这样,一般都是别人连电,或是电闸该换了

回答4:

有没有冬天不用的电器现在开始用了?比如空调,是不是空调的线路有问题了,或是空调有问题了,漏电了

回答5:

家里的电闸经常跳闸的原因是什么?怎么快速判断跳闸故障?教给你

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