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批踢踢實業坊 Examination 板
[課業] 電力 功率因素
Jul 13th 2013, 18:11, by dacodi

作者dacodi (大摳呆)

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標題[課業] 電力 功率因素

時間Sat Jul 13 18:11:50 2013

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!! -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.44.222.131

→ chishiang:...... S(視在功率)幹嘛乘上功率因素XD 07/13 18:16

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