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二、一部 20 kVA、 20 kV/480 V、60 Hz 之單相雙繞組配電變壓器,為求其等效電路而實施開路與短路試驗,測定之數據記錄如下:【題組】(一)此變壓器之標么等效電路如圖二所示,以其額定容
問題詳情
二、一部 20 kVA、 20 kV/480 V、60 Hz 之單相雙繞組配電變壓器,為求其等效電路而實施開路與短路試驗,測定之數據記錄如下:
【題組】(一)此變壓器之標么等效電路如圖二所示,以其額定容量及電壓為基準值,求 Req、Xeq、Rc、Xm之標么值。(12 分)
參考答案
答案:A
難度:
計算中
-1
書單:
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上一篇 :
15 如圖為整流後之電壓波形,則電壓的平均值約為何? (A) 11.1 V (B) 13.2 V (C) 15 V (D) 16.4 V
下一篇 :
【題組】(二)此時的RLC電路呈現什麼阻抗狀態?電感性?電容性或純電阻狀態?
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【題組】(五)此時流過3kΩ電阻器的電流方程式為何?
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