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小徒弟
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樓主  發(fā)表于: 2010-11-20 21:15
小第公司有一臺新的380/350KW熱處理爐  電加熱的都是阻性負載 裝了一個(gè)三相分時(shí)電表怎么上面有反向電量？我用的是一個(gè)600/5的電流互感器，請問(wèn)算用電量的時(shí)候是不是總有功電量X120倍就可以了？謝謝！
周紅軍
學(xué)習，學(xué)習，再學(xué)習。
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1樓  發(fā)表于: 2011-02-10 20:41
互感器的二次線(xiàn)接反了,就會(huì )反轉。算用電量是正確的

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