單相功率因數改善問題 - 考試
By Olivia
at 2015-11-13T11:48
at 2015-11-13T11:48
Table of Contents
問題如圖片所示,
謝謝。
http://i.imgur.com/uyK7MKS.jpg
解答:
http://i.imgur.com/A397beU.jpg
http://i.imgur.com/HfHY5Wc.jpg
※ 編輯: wj0107 (1.161.106.113), 11/13/2015 11:49:44
謝謝。
http://i.imgur.com/uyK7MKS.jpg
解答:
http://i.imgur.com/A397beU.jpg
http://i.imgur.com/HfHY5Wc.jpg
※ 編輯: wj0107 (1.161.106.113), 11/13/2015 11:49:44
→ jimlexus: (1)你的觀念沒錯,其實作者只是省事而已。如要加sin90, 11/14 01:42
→ jimlexus: 那麼解析要多加個j喔。 j2.58*10^3=100*Ic*sin90 11/14 01:44
→ jimlexus: (2)修正完的(IL+IC)角度是落後22.84度沒錯,但是解析的 11/14 01:46
→ jimlexus: 圖畫的是IL的角度,所以是45度。 11/14 01:47
→ jimlexus: 更正說明:22.84為整體功因角度,非(IL+IC)電流角度。 11/14 01:58
→ wj0107: 懂了,謝謝。 11/14 12:38
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