電機機械直流電機問題 - 考試
By Hedy
at 2017-03-23T20:50
at 2017-03-23T20:50
Table of Contents
先貼題目跟我的問題點
http://i.imgur.com/44OuBWn.jpg
http://i.imgur.com/yLdjUJq.jpg
這一題給的發電機產生32V的電壓
該算在端電壓身上還是內電勢?
一般電機如果沒有分出一個場電阻
還可以說無載時端電壓等於內電勢
但是出現分激場電阻的話
情況就有不一樣了
有大大可以講解一下怎麼判斷才是正確的嗎
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考試
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