If you are measuring the current actually drawn (with some kind of meter) 
then your calculations are without a doubt correct, no matter how low it 
sounds..  (give or take a few watts for margin of error of the meter).

-Rob

----- Original Message ----- 
From: "Peter Parnican" <peter at procad dot sk>
To: "M0n0wall" <m0n0wall at lists dot m0n0 dot ch>
Sent: Thursday, October 21, 2004 1:22 PM
Subject: [m0n0wall] Saving energy


> Hi everybody, this is not realy technical "problem" question. Im using PC
> (celeron 333, 64MB, 20GB, 2xNIC) ...none monitor, keybord, mouse.
>
> So, im measuring the current which use my PC (230V / 0.15A). ...so it 
> should
> be P=U * I * cos (fi) = 230 * 0.15 * 0.76 = 26.2 W.
> ...I read that average consumption for PC is 110 - 150 W (max. 3 PCI 
> cards).
>
> That is quite big differences 26W to 110W.  ..Is my calculation OK ?
>
> (m0n0 will work on my friend roof, so i want pay him all expenses for
> energy)
>
> peter
>
>
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