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yyy313
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12樓  發(fā)表于: 2011-11-04 10:54
引用
引用第5樓wdh_1688于2011-11-01 11:05發(fā)表的  :

會(huì )燒壞相應的東西，能不缺相最好不要缺相

這不是廢話(huà)嗎？
xtiqv
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13樓  發(fā)表于: 2011-11-04 16:05
都保護了還說(shuō)什么？
huosang
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14樓  發(fā)表于: 2011-11-06 21:37
電機內缺一相,小電機一般在星型時(shí)還能不正常的轉動(dòng),大電就不行了,電流也不會(huì )很大,但在三角型時(shí)不一樣電流很大,有熱脫扣一般會(huì )快速切斷,開(kāi)關(guān)配得

適當的空開(kāi)也能保護.
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