平均功率觀念小釐清 - 考試
By Kyle
at 2015-07-06T16:55
at 2015-07-06T16:55
Table of Contents
http://i.imgur.com/qnwC3Nu.jpg
1.如果他這題是問"整個電路"的功率因素,答案應該就不一樣了吧?
(這題好像忽略0.05+j0.5....)
2.最下面那式子,如果在轉共軛複之前就已經呈現負角度,那轉換後還是得負角度嘛?
http://i.imgur.com/kqEeIKC.jpg
如果ST'再串聯一個負載10+j10
最後ST是直接相加?
(只知道並聯可直接加)
感謝各位還在苦讀的鄉民們!
一起來討論吧!
--
1.如果他這題是問"整個電路"的功率因素,答案應該就不一樣了吧?
(這題好像忽略0.05+j0.5....)
2.最下面那式子,如果在轉共軛複之前就已經呈現負角度,那轉換後還是得負角度嘛?
http://i.imgur.com/kqEeIKC.jpg
如果ST'再串聯一個負載10+j10
最後ST是直接相加?
(只知道並聯可直接加)
感謝各位還在苦讀的鄉民們!
一起來討論吧!
--
Tags:
考試
All Comments
By Hardy
at 2015-07-09T16:51
at 2015-07-09T16:51
By Ursula
at 2015-07-14T00:09
at 2015-07-14T00:09
By Rebecca
at 2015-07-17T02:19
at 2015-07-17T02:19
By Kyle
at 2015-07-18T13:36
at 2015-07-18T13:36
By Agnes
at 2015-07-20T05:39
at 2015-07-20T05:39
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