電機機械 100年升等 串激電動機 - 考試
By Thomas
at 2015-10-24T22:55
at 2015-10-24T22:55
Table of Contents
http://i.imgur.com/g3aBNwC.jpg
這題的第三小題,
題目沒告知哪些條件不變。
只說加上電阻Rea將轉速降至200rpm
感覺題目不完整,但推測是同(2)小題條件,而電磁功率不變。
但還是不知道該從何下手。
看了解答還是一知半解...
光第一步的轉速比平方就霧颯颯了Orz
http://i.imgur.com/W1bWS3D.jpg
請求強者稍加解釋,非常感謝!
--
這題的第三小題,
題目沒告知哪些條件不變。
只說加上電阻Rea將轉速降至200rpm
感覺題目不完整,但推測是同(2)小題條件,而電磁功率不變。
但還是不知道該從何下手。
看了解答還是一知半解...
光第一步的轉速比平方就霧颯颯了Orz
http://i.imgur.com/W1bWS3D.jpg
請求強者稍加解釋,非常感謝!
--
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考試
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