電機機械問題 - 考試
By Lauren
at 2013-04-24T19:26
at 2013-04-24T19:26
Table of Contents
容量為50kva變壓器,當輸出為30kva時,銅損為540w, 若輸出50kva時,銅損為?
Ans:1500w
我只知道銅損和I平方成正比,解答寫I平方等於(50/30)^2, 我想不出原因,為什麼兩個輸出相除會等於I?
麻煩版友解惑,謝謝!
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Ans:1500w
我只知道銅損和I平方成正比,解答寫I平方等於(50/30)^2, 我想不出原因,為什麼兩個輸出相除會等於I?
麻煩版友解惑,謝謝!
--
Sent from my Android
--
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考試
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