.下列结论中正确的是( )
发布时间:2025-12-10
A.当负载作△连接时,相电流大小为线电流的
倍
B.当负载作△连接时,线电流在相位上滞后于相应的相电流30°
C.当负载作Y连接时,相电压对称,线电压也对称
D.当负载作△连接时,相电压对称,线电压也对称
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