問題詳情
24.設三相發電機的三相繞組接成Y形，若相電壓 
，則線電壓 
為： 
，則線電壓 為：
參考答案
答案：D
難度：適中0.634146
統計：A(12),B(18),C(24),D(104),E(0)
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