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Re: Power draw from UPS



Yes, I checked with a simple wattmeter and it's correct.

[send by mobile device]

Am 28.07.2017 4:07 nachm. schrieb "Dan Ritter" <dsr@randomstring.org>:
On Fri, Jul 28, 2017 at 01:04:30PM -0000, Dan Purgert wrote:
> g wrote:
> > I've found out that apcaccess is my friend. When used with attached UPC
> > via USB, it tells a lot about the UPC:
> >
> > https://linux.die.net/man/8/apcaccess
> >
> > and the line
> >
> > RETPCT : Battery charge % required after power off to restore power
> >
> > is the key. My UPC has a max power of 900 watt. RETPCT shows 30.0%. So:
> >
> > 900w x 0.30 = 270w
> >
> > 270 watt is the actual power draw of my server.
>
> Maybe I'm misreading it -- but it sounds like "RETPCT" is the required
> battery charge level before the UPS will restore power to connected
> devices, assuming the battery runs flat.

Yeah. I think that LOADPCT * NOMPOWER gives you the actual
usage.

-dsr-


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