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何工控學(xué)
勵志竭精
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樓主  發(fā)表于: 2015-01-28 15:55
各位大師們，請問(wèn)三相380V接成三角形的發(fā)熱管，每根4KW，總是燒發(fā)熱管，漏電開(kāi)關(guān)動(dòng)作，有什么方法減少這種燒管的次數嗎？
sunsongfang
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1樓  發(fā)表于: 2015-02-02 22:56
就是電熱管質(zhì)量差.有時(shí)我還連燒3只燈泡呢

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