首页/ 题库 / [单选题]在计算等效三相负荷时,如果既有线间负荷又的答案

在计算等效三相负荷时,如果既有线间负荷又有相负荷,应先将线间负荷换算为相负荷,然后各相负荷分别相加,选取最大相负荷乘( )倍作为等效三相负荷。

单选题
2021-09-02 13:59
A、1.2
B、根号3
C、3
D、3倍根号3
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正确答案
C

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在计算等效三相负荷时,如果只有线间负荷,则单台时的等效三相负荷取线间负荷的( )倍。
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在计算等效三相负荷时,如果既有线间负荷又有相负荷,应先将线间负荷换算为相负荷,然后各相负荷分别相加,选取最大相负荷乘( )倍作为等效三相负荷。
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