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wxh0734
級別: 論壇版主

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樓主  發(fā)表于: 2008-05-22 14:58
剛剛看了兩個(gè)關(guān)于慘案的貼子，個(gè)人認為有兩個(gè)可能。
第一，接觸器的接線(xiàn)沒(méi)有壓緊，接觸不良是有可能的
第二，如果電柜中有控制變壓器，次級短路也是會(huì )起火，這個(gè)我見(jiàn)過(guò)兩次，有感受，呵呵
yfdxb
級別: 略有小成
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1樓  發(fā)表于: 2008-06-05 20:52
接觸器觸頭過(guò)流是否夠？
致力各種非標設備之機械、電氣一體開(kāi)發(fā)。

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