電機機械效率問題 - 考試
By Edward Lewis
at 2016-12-02T14:16
at 2016-12-02T14:16
Table of Contents
http://miupix.cc/pm-(null)
(手機排版請見諒)
平常題目給的輸出功率X馬力,是銘牌上的額定值。
像此次國營第五題還有提到運轉效率為何,這樣我搞混了,此時額定下輸出是100%的值還是乘以效率%之後的值?
(皆為線電壓/線電流)
1.)100hp=根號3*V*I*0.87*0.92
2.)100hp*0.92=根號3*V*I*0.87
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