某三相对称负载为三角形连接,已知电源线电压UL=380V,测得线电流IL=15A,三相功率P=8.5kW,则该三相对称负载的功率因数为( )。
发布时间:2024-12-08
A.0.616
B.0.734
C.0.861
D.0.923
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