试题与答案

三相四线三元件有功电能表在测量平衡负载的三相四线电能时,若有两相电压断线,则电能表将

题型:单项选择题

题目:

三相四线三元件有功电能表在测量平衡负载的三相四线电能时,若有两相电压断线,则电能表将()。

A.停转;

B.少计2/3;

C.倒走1/3;

D.正常。

答案:

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