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nbwrk
樹(shù)不要皮必死無(wú)疑！人不要臉天下無(wú)敵！
級別: 家園�？�
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樓主  發(fā)表于: 2010-03-16 08:47
各位大俠，我這有一臺兩個(gè)30kW的電機的設備，應該要選多大的導線(xiàn)，單個(gè)電機又應該多大的線(xiàn)。在這先謝謝各位了  
pretco123
不為失敗找理由，只為成功找方法
級別: 論壇先鋒

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1樓  發(fā)表于: 2010-03-16 09:14
按計算公式P=根式3ＵＩ功率因素（找不到符號，用文字表達）估算,功率因素�。�.82計算,最少要10平方多股銅芯線(xiàn)！按經(jīng)濟的角度考慮,可以用6平方單股銅芯線(xiàn)!

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