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scw威偉
互幫互助，共建美好社會(huì )。給他人方便就等于方便了自己。
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樓主  發(fā)表于: 2011-07-05 22:49
我用接觸器接220V電熱管Y型接法，ABC每一相上接4根管子，如果A相上壞了2根管子，或A相4根全壞了，會(huì )出現什么情況呢，會(huì )不會(huì )因為三相不平衡而產(chǎn)生電氣火災��？？？
困難像彈簧，你強它就弱，你弱它就強！
無(wú)憂(yōu)山水
認真，謙虛
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1樓  發(fā)表于: 2011-07-05 22:52
保證電阻值一樣，加斷路器，星形點(diǎn)接地。比較安全。
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