怎么算三相电流是不是平均
怎么算三相电流是不是平均
其他人气:970 ℃时间:2020-02-03 19:05:08
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三相电动机功率P=1.732UIcosφ,cosφ(功率因数)取0.7-0.95之间,电动机功率越大,功率因数越大,一般可以按0.85取值.那么I=P/(1.732*U*cosφ)=4800/(1.732*440*0.8)=7.4A,你说的11.5A可能是整个压缩机的功率或者是你...
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