Re: [MLUG] [OT] UPS battery replacements... local? overnight?

["Kevin Crowley" <caohaoim AT gmail.com>]

Amazingly wikipedia has a moderately complete and coherent article on
UP supplies.

http://en.wikipedia.org/wiki/Uninterruptible_power_supply

hoodathunk


Kevin

On 10/20/07, George Moulton 
<gmoulton AT wi.rr.com>
 wrote:
> On Friday 19 October 2007 18:08, JP wrote:
> > On 17/10/2007, Jason M. Hecker 
> > <jmhecker AT gmail.com>
> >  wrote:
> > > A UPS would probably come in handy for me out here in Wyoming ... Turns
> > > out that Rocky Mountain Electric does not like to always send a clean
> > > electrical signal.  Our lights like to dim out every few minutes for 
> > > just
> > > a split second.  I do not know much about UPS setups, but if memory does
> > > serve me correctly; a UPS will clean the electrical current for me,
> > > right?
> >
> Some have a boost capability to bump up a sag in the voltage.  Otherwise the
> UPS switches over to battery.  The problem is how often it switches over may
> drain the battery faster than it can be charged,  You need to check to see 
> if
> the problem is really in your building or really is the Utility, first.
>
> Some UPS produce true sine waves and the less expensive ones produce a
> simulated sine wave.
>
> > Not necessarily; you'll need to check the specs to see if it actually runs
> > on the battery and inverter.
> >
> > JP
> >
> > -- Jason
>