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【題組】計算 P 點的 a 相故障電流(以標么值表示)。(10 分)
問題詳情
【題組】
計算 P 點的 a 相故障電流(以標么值表示)。(10 分)
參考答案
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10 I wonder how she can_____ that guy and live under the same roof with him. He is a good-for-nothin
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35 I don’t have time to go jogging and play basketball now. I _____exercise a lot when I was in high
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【題組】37 (A) extremely (B) frequently (C) habitually (D) moderately
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【題組】38 (A) one another (B) one of the (C) the other (D) the single
二、圖二電路內 v2(t)=0.7580cos(2t+66.7°),v3(t)=0.6064cos(2 t −69.8°),求 i1(t)。(25 分)
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【題組】39 (A) admission (B) deduction (C) extension (D) production
四、如圖二所示之系統,發電機的暫態電抗、變壓器及輸電線的電抗標么值如圖上之標示,假設發電機反電勢 Eg'與無限匯流排電壓 V 之間的功率角為 δ。若 P 點發生三相短路故障,試求故障前、故障
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【題組】40 (A) at (B) on (C) in (D) for
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【題組】42 (A) cried (B) lost (C) ran (D) succeeded
【題組】43 (A) defeat (B) encourage (C) forgive (D) irritate
【題組】5. 承第 4 題,此系統的直流增益為何?(A) − 0.2 (B) 0 (C) 0.2 (D) 0.4