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250557508
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12樓  發(fā)表于: 2009-10-17 21:26
不好意思各位大俠~~~我沒(méi)說(shuō)清楚~~！ 是因為電機先燒的~~然后引起了跳閘現象~~    樓主
250557508
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13樓  發(fā)表于: 2009-10-17 21:28
十樓的大俠說(shuō)的應該OK了，和我們自己廠(chǎng)里討論的結果一樣~~~受教了
waxiao88
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14樓  發(fā)表于: 2009-10-17 21:41
朋友,據你所述,定是零線(xiàn)的問(wèn)題,并且你司的供電是三相四線(xiàn)式.零地共用的.當出現總零線(xiàn)處有問(wèn)題(接觸不良)就會(huì )出現三相電壓不穩.單相負荷處電壓最高可達相電壓所以220V的東西會(huì )燒.電機燒呢,也就是三相太不平衡了.
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