怎麼判斷題目給的電壓值 - 考試
By Isabella
at 2015-08-04T16:19
at 2015-08-04T16:19
Table of Contents
如題,
怎麼判斷題目給的電壓是線電壓還是相電壓
我一般都是當線電壓
然後畫每相等效再換相電壓
像這題↓
http://i.imgur.com/xO1F5mU.jpg
但有幾題這樣算結果都錯
看答案是直接把題目給的電壓當相電壓
像是這題↓
http://i.imgur.com/Q41vB7T.jpg
我都快混亂了
到底怎麼判斷呀?(*?>д<)
求解,謝謝(^__^)
--
Sent from my Android
--
怎麼判斷題目給的電壓是線電壓還是相電壓
我一般都是當線電壓
然後畫每相等效再換相電壓
像這題↓
http://i.imgur.com/xO1F5mU.jpg
但有幾題這樣算結果都錯
看答案是直接把題目給的電壓當相電壓
像是這題↓
http://i.imgur.com/Q41vB7T.jpg
我都快混亂了
到底怎麼判斷呀?(*?>д<)
求解,謝謝(^__^)
--
Sent from my Android
--
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考試
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