批踢踢實業坊 Examination 板: [考題] 電力系統－2016徵求年菜推薦網路訂購最紅的商家.年菜訂購?台北年菜外送餐廳推薦(年菜)?年菜.今年不想做年菜推薦,網路宅配哪一家好?

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批踢踢實業坊 Examination 板

[考題] 電力系統

Jul 18th 2013, 10:36, by qqptt

作者qqptt (夢想)

看板Examination

標題[考題] 電力系統

時間Thu Jul 18 10:36:14 2013

出處:100關務題目如下: http://ppt.cc/yk-e 我將輸電線AB電流解出如下圖: http://ppt.cc/IoRk 我的問題為，解答將算出來的IA*乘VL 算出線路A的實功即虛功，請問為什麼可以用負載的電壓呢？我的認知是，線路電壓不等於負載電壓吧! 請求高手解答。謝謝 -- Sent from my Android -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 27.243.70.74

→ losterkao:問的是負載端接收的功率當然用端電壓即負載端電壓 07/18 10:59

→ losterkao:不太懂你對線電壓的觀念當然問電源端就用送電端 07/18 11:01

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