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peilei1031
蘇州昆山的電氣自動(dòng)化從業(yè)者...
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樓主  發(fā)表于: 2018-09-11 09:55
請教三相不平衡電路的功率應該如何計算？  A:172     B:308    C:155  如何計算出功率來(lái)？謝謝指點(diǎn)
[ 此帖被peilei1031在2018-09-11 10:00重新編輯 ]
xingzb2
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1樓  發(fā)表于: 2018-09-11 11:00
什么樣的負載？
xingzb2
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2樓  發(fā)表于: 2018-09-11 11:23
三相功率=        A相功率  +  B相功率  + C相功率
A相功率 = 實(shí)測A相電壓  U（大約220V） * I * 功率因數

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