電力系統&電機機械問題 - 考試
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By Rachel
at 2013-09-25T20:06
at 2013-09-25T20:06
Table of Contents
1.第二題 http://wwwc.moex.gov.tw/ExamQuesFiles/Question/099/34180.pdf
李進雲解答 電樞電流 Ia= 1∠-36.9°pu
想請問一下 Ia是如何求出來的呀@@?
題目只有提到額定端電壓 VL=1pu 與 P.f.=0.8 lagging
就沒了..?
2.第三題 http://wwwc.moex.gov.tw/ExamQuesFiles/Question/102/102090_35970.pdf
直流電機 電樞電壓 Ea= (PZ/60a)*n*Φ = (PZ/2π)*ω*Φ
想請問一下 看單位 推測 K=(PZ/2π)
我想請問一下 通常是使用哪一種呢?
邱天基-電機機械 使用常數K=(PZ/60a)
這幾個小問題 麻煩請教各位大大 感激不盡!
--
李進雲解答 電樞電流 Ia= 1∠-36.9°pu
想請問一下 Ia是如何求出來的呀@@?
題目只有提到額定端電壓 VL=1pu 與 P.f.=0.8 lagging
就沒了..?
2.第三題 http://wwwc.moex.gov.tw/ExamQuesFiles/Question/102/102090_35970.pdf
直流電機 電樞電壓 Ea= (PZ/60a)*n*Φ = (PZ/2π)*ω*Φ
想請問一下 看單位 推測 K=(PZ/2π)
我想請問一下 通常是使用哪一種呢?
邱天基-電機機械 使用常數K=(PZ/60a)
這幾個小問題 麻煩請教各位大大 感激不盡!
--
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