[单选题]在纯电容负载作三角形连接的三相对称电路中,各相XC=38W,电源线电压为380V,则三相负载的无功功率是( )。(每题0.5分)(0.5)
发布时间:2025-12-01
A.3.8 kVar
B.7.2 kVar
C.11.4 kVar
D.22.8 kVar
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