104 電力系統 - 考試
By Andy
at 2016-03-04T22:24
at 2016-03-04T22:24
Table of Contents
http://imgur.com/pJS79GZ
http://imgur.com/lJXZvqP
題目很長所以我只問重點
鐵損為滿載銅損的25%
第二個算式是在算最上面那個變壓器的銅損 IT^2*0.005
鐵損0.25*1^2*0.005
這邊都是用標么值算
為什麼滿載銅損 電流Pu值為1(三個變壓器滿載銅損的電流PU值都是1)
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