電工機械兩問 - 考試
By Elizabeth
at 2015-07-15T19:50
at 2015-07-15T19:50
Table of Contents
http://imgur.com/g5NRcm5
這題我算600V,他答案是500V
這題不是用 (3EpVp)*sin(應電勢角-端電壓角)/Xs=P 嗎?
我帶答案回算,sin角要37度,請問要如何求出他的角度。
http://imgur.com/ps4EC7q
觀念題,我課本找不到TAT
另外你們有推薦的書嗎?我現在用的是台科大的電工機械升學寶典,大概5年前的
--
這題我算600V,他答案是500V
這題不是用 (3EpVp)*sin(應電勢角-端電壓角)/Xs=P 嗎?
我帶答案回算,sin角要37度,請問要如何求出他的角度。
http://imgur.com/ps4EC7q
觀念題,我課本找不到TAT
另外你們有推薦的書嗎?我現在用的是台科大的電工機械升學寶典,大概5年前的
--
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考試
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