网上体育下注

什么是故障电弧探测装置_故障电弧探测装置和灭弧式短路保护器的区别

2019-05-08 11:08:15      点击:

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  故障电弧探测装置和灭弧式短路保护器的区别

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  故障电弧网上体育下注,俗称就是电火花,中心温度极高,发生时有金属喷溅物,极易引起火灾。并联电弧发生时,火线和零线并未直接接触,只是因为绝缘皮老化失去绝缘特性或绝缘皮破损,但火线和零线的距离又离的非常近,电流击穿火线和零线之间的空气,在火线和零线之间放电打火。

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