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ngch
深圳工控小匠
級別: 網(wǎng)絡(luò )英雄

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樓主  發(fā)表于: 2012-06-15 20:31
關(guān)于烤爐耗電怎么計算��！我看到很多人的說(shuō)法都不一樣？有的說(shuō)1KW/h就是一度。但是220V的和380V的能一樣嗎？烤爐升到設置的溫度后，就不斷的補償還是1KW/h就是一度這樣算嗎？
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rpgdiy
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1樓  發(fā)表于: 2012-06-15 22:38
引用
引用第1樓liaocb于2012-06-15 20:52發(fā)表的  :
1000w/(1.72x電壓x0.85)=電流
想記得比較準 ，就裝個(gè)電度表




求1.72x電壓x0.85是什么意思

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