题目内容
.(多选)下列结论中错误的是( )。
2025-06-27
A.当负载做Y连接时,必须有中线
B.当三相负载越接近对称时,中线电流就越小
C.当负载做Y连接时,线电流必须等于相电流
D.当负载做星形连接时,线电压等于相电压
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