Fw: [問卦] 自己外租兩個月用電1100度的八卦
※ [本文轉錄自 Gossiping 看板 #1JoFsBN- ]
作者: wonder007 ( ) 站內: Gossiping
標題: Re: [問卦] 自己外租兩個月用電1100度的八卦
時間: Fri Jul 18 18:57:13 2014
http://ppt.cc/sOkX
從這張圖可以看到這是一顆單相二線220V專用的電錶
所以只有220V電器才能正常計電
如果你用110V電器如電腦、電扇、冰箱
電表只計算電流 P=IV V=220而不是110
所以除了冷氣熱水器外你的用電都被算兩倍
你同學應該有在關電腦
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一定是被黑,我就被黑過,錢也討回來了
租房子第一件事先看電錶是不是只給你裝一顆220V專用的
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他之所以寫220V在上面意思就是他只計電流,電壓不看全當作220V
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因為冷氣要220V的電啊..
220V跟110V就差在兩條火線跟一條火線啊,又不是說裝了220V電錶你家電器全變220V版
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最快驗證我說法的方式就是原PO現在去開冷氣,算轉一圈幾秒
關掉冷氣再開吹風機,算一圈幾秒
如此一來會發生很好笑的事情,在此電錶下,1000W的吹風機比1200W的冷氣耗電
※ 編輯: wonder007 (36.228.238.146), 07/18/2014 19:24:12
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※ 發信站: 批踢踢實業坊(ptt.cc)
※ 轉錄者: gn01982027 (61.57.74.192), 07/18/2014 19:56:20
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