104年電雇輸配電試題一問 - 考試
By Rae
at 2016-07-14T23:49
at 2016-07-14T23:49
Table of Contents
想請問一下
104電雇輸配電第五題
http://imgur.com/hcLseWV
功因0.6落後時,線路損失16kW
將功因改到0.8落後,求改善後線路損失=?
答案 (A)9kW 是怎麼來的?
唯一想到接近的只有Qc=P(tanθ1-tanθ2)
但這是算功率改善電容增加的虛功啊...
想來想去都想不到怎麼算
求解 麻煩各位了
--
104電雇輸配電第五題
http://imgur.com/hcLseWV
功因0.6落後時,線路損失16kW
將功因改到0.8落後,求改善後線路損失=?
答案 (A)9kW 是怎麼來的?
唯一想到接近的只有Qc=P(tanθ1-tanθ2)
但這是算功率改善電容增加的虛功啊...
想來想去都想不到怎麼算
求解 麻煩各位了
--
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