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夜雨無(wú)聲
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樓主  發(fā)表于: 2014-10-28 14:54
各位，一水泵電機工頻運行，改成變頻器控制，50HZ是否節能，若改成47hz,電機耗能如何估算，改成40HZ如何估算，由于沒(méi)有現在還沒(méi)有改成變頻控制，所以肯定無(wú)法從面板上直接讀出電機電壓電流來(lái)算功率的。。。
wangcheng18
承接各種非標電氣系統設計，安裝，編程，調試，歡迎新老朋友光臨
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1樓  發(fā)表于: 2014-11-01 11:29
可以節能，省不少的電費！具體節能多少，現場(chǎng)測試一下，比較準確，沒(méi)必要花時(shí)間計算這個(gè)！

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