電力電子問題 - 考試
By Xanthe
at 2014-05-13T09:59
at 2014-05-13T09:59
Table of Contents
1. http://ppt.cc/zSbB
問一下第二小題為啥流經9.1Ω得電流不是0.08244(mA)呢?(如右圖)
2. http://ppt.cc/t~DU
題目說線電壓比是100:200
那相電壓比是100/√3 : 200 a=1/2√3
2
哪答案為啥不是 40*a = 10/3 呢?
3. http://ppt.cc/BI0k
算R1時不用把保險絲那兩歐姆考慮進去嗎?覺得詳解怪怪的,是有寫錯嗎?
謝謝
--
問一下第二小題為啥流經9.1Ω得電流不是0.08244(mA)呢?(如右圖)
2. http://ppt.cc/t~DU
題目說線電壓比是100:200
那相電壓比是100/√3 : 200 a=1/2√3
2
哪答案為啥不是 40*a = 10/3 呢?
3. http://ppt.cc/BI0k
算R1時不用把保險絲那兩歐姆考慮進去嗎?覺得詳解怪怪的,是有寫錯嗎?
謝謝
--
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考試
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By Wallis
at 2014-05-16T23:45
at 2014-05-16T23:45
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