電工機械 - 考試
By Barb Cronin
at 2014-06-15T19:37
at 2014-06-15T19:37
Table of Contents
有個疑問,角度算出來是給線電流還是給相電流的
再三等題目給相電流,四等題目中給線電流,算到後面都亂了
http://imgur.com/1Ly4gvy
PF=0.85 角度是=31.8度角度算出來是給二次側線電流的
http://imgur.com/2WHTUke
PF=0.8 角度是=36.9度角度算出來是給高壓測單相等效電路的相電流的
--
再三等題目給相電流,四等題目中給線電流,算到後面都亂了
http://imgur.com/1Ly4gvy
PF=0.85 角度是=31.8度角度算出來是給二次側線電流的
http://imgur.com/2WHTUke
PF=0.8 角度是=36.9度角度算出來是給高壓測單相等效電路的相電流的
--
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