電機機械的問題 - 考試
By Erin
at 2013-03-05T09:57
at 2013-03-05T09:57
Table of Contents
題目:一台三相感應電動機,額定電流為9A,以全壓直接起動時,其起動電流可能為
(A)1A (B)9A (C)27A (D)65A
我這題本來想選C,但是題目沒提到Y-delta起動,書本解答是給D這答案,我實在是想不出原因在哪,還是這題目有問題?
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(A)1A (B)9A (C)27A (D)65A
我這題本來想選C,但是題目沒提到Y-delta起動,書本解答是給D這答案,我實在是想不出原因在哪,還是這題目有問題?
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