[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: DATACENTER: Cooling and Cost Data for Web Hosting Data Centers
uhh.....
I'm not even gonna start.
On Thu, 9 Dec 1999, scott w wrote:
>
>
> KVA has the same units as watts (volts * amps), but is written KVA so as
> to denote complex power. complex power = real power + i*imaginary power.
> Imaginary in the sense that you use the square root of -1 and that doesn't
> exist, so it's an imaginary number represented by i. Here's a sort of
> hueristic approach. I haven't followed much of the thread so I hope it
> helps. Got my flame-proof panties on just in case... ;-)
>
> 1.add up the total DC wattage
> 2.divide total DC Watts by 0.7 (1 divided by the square root of 2 ~= .7)
> 3.divide by 0.65 to cover for power factor and apparent power correction
> (rough estimate)
> 4.divide by 1000 to get KVA
>
>
> scott
>
--
Ken Woods
[email protected]
"Now it's early and I'm just pissy"