電機機械 效率與直流機 - 考試
By Gary
at 2016-04-29T15:57
at 2016-04-29T15:57
Table of Contents
一
http://i.imgur.com/cA9Il7M.jpg
半載效率算法應該是我寫的那樣吧?
1000*0.5=500
不過這樣算可變損是負的
二
http://i.imgur.com/cTNieps.jpg
http://i.imgur.com/oi2oQ3K.jpg
此題的第三小題
我知道磁通量正比Ia
可是這題電阻也改了
這樣要怎麼算呢?
--
http://i.imgur.com/cA9Il7M.jpg
半載效率算法應該是我寫的那樣吧?
1000*0.5=500
不過這樣算可變損是負的
二
http://i.imgur.com/cTNieps.jpg
http://i.imgur.com/oi2oQ3K.jpg
此題的第三小題
我知道磁通量正比Ia
可是這題電阻也改了
這樣要怎麼算呢?
--
Tags:
考試
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