電機機械題目 - 考試
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By James
at 2013-05-26T01:26
at 2013-05-26T01:26
Table of Contents
此兩題為101年鐵路佐級題目
第一題
http://ppt.cc/YmmH
答案:(C)
這題為什麼不能用 氣隙功率Pg=內部機械功率Pm+轉子銅損Pc2去解呢?
跟氣隙功率Pg=輸入功率Pin-定子銅損Pc1-鐵損Pi有什麼差別?(此題是用這種才能解)
第二題
答案:(D)
http://ppt.cc/qvIA
這一題我是先求Il1慢慢推過去到Il2,算出來是45.5A
我求不到解答這個值~
麻煩版友幫忙一下,感激不盡!!
--
第一題
http://ppt.cc/YmmH
答案:(C)
這題為什麼不能用 氣隙功率Pg=內部機械功率Pm+轉子銅損Pc2去解呢?
跟氣隙功率Pg=輸入功率Pin-定子銅損Pc1-鐵損Pi有什麼差別?(此題是用這種才能解)
第二題
答案:(D)
http://ppt.cc/qvIA
這一題我是先求Il1慢慢推過去到Il2,算出來是45.5A
我求不到解答這個值~
麻煩版友幫忙一下,感激不盡!!
--
Tags:
考試
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By Zora
at 2013-05-28T07:31
at 2013-05-28T07:31
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By Michael
at 2013-05-29T06:21
at 2013-05-29T06:21
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By James
at 2013-05-31T22:58
at 2013-05-31T22:58
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By Christine
at 2013-06-03T21:23
at 2013-06-03T21:23
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