電力 功率因素 - 考試
By Necoo
at 2013-07-13T18:11
at 2013-07-13T18:11
Table of Contents
請問各位前輩 95年電力考題 如下
http://ppt.cc/3Gi5
疑問是改善前的線電流不是應該要套用
S=√3*VL*IL*cosθ
=√3*220*IL*0.707
為何解答不用乘上cosθ
是我觀念有錯還是...
謝謝!!
--
http://ppt.cc/3Gi5
疑問是改善前的線電流不是應該要套用
S=√3*VL*IL*cosθ
=√3*220*IL*0.707
為何解答不用乘上cosθ
是我觀念有錯還是...
謝謝!!
--
Tags:
考試
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