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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:
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:
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)
上一篇 :
7.熱電耦之工作原理是將溫度變化轉換為:(A)電壓變化(B)元件之彎曲變異量(C)電阻變化(D)磁場變化
下一篇 :
17.一般發電機出力,以多少負荷為其最大出力?(A)60~69﹪(B)70~75﹪(C)80~90﹪(D)95~100﹪
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