题目内容

绕组Yy联结的三相变压器的二次侧的额定电流等于()

A. 变压器额定容量除以一次侧相电压的3倍
B. 变压器额定容量除以二次侧额定电压2的平方根倍
C. 变压器额定容量除以二次侧额定电压的3的平方根倍

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