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最遠是多遠
高調做事，低調做人
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樓主  發(fā)表于: 2015-08-06 21:34
求大神指點(diǎn)：電柜總閘是施耐德斷路器額定電流600A，主要負載是烘干加熱和風(fēng)機�？傞l今天老是發(fā)熱跳閘，用一年了從未有過(guò)。且總閘下端三相接線(xiàn)柱其中一相溫度比其它兩相燙手。懷疑端子松了鎖緊也沒(méi)用，總閘不是一合上就跳閘，而是逐漸發(fā)熱后才跳。請各位大師指點(diǎn)迷津
lqm003
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1樓  發(fā)表于: 2015-08-08 13:01
先用鉗形電流表測一下發(fā)熱那一相的電流與其它兩相的電流比較，如果基本相同，說(shuō)明是斷路器的故障。如果電流明顯大應找出原因。按照以往經(jīng)驗來(lái)判斷，一般是斷路器本身壞了。
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