考试
1970-01-01 08:00:00

图中所示电路为三相四线制电路,三个负载连成星形。已知电源的线

题目描述

图中所示电路为三相四线制电路,三个负载连成星形。已知电源的线电压UL=380V,负载电阻RA=11Ω,RB=RC=22Ω。令UA为参考相量,当中线断开,A线短路时A相的电流为( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/1bca264e80034a818aaeccfa598a3446.png

答案解析

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/a4ff793e7f4e4e9b941f04d4a4ff6ae7.png

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