[GTALUG] mysterious restarts

[Ivan Avery Frey]

On Mon, Jun 20, 2016, 10:54 Daniel Villarreal via talk <talk at gtalug.org>
wrote:

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> On 06/20/2016 10:21 AM, Lennart Sorensen via talk wrote:
> > On Sat, Jun 18, 2016 at 07:58:10PM -0400, Michael Galea wrote:
> >> You know of course that the grid frequency is only approximately
> >> 60.00 hz. For example, it was 59.97 hz on Friday at around 5 PM.
> >> I have heard rumors that the generators spin the grid up to above
> >> 60 hz in the early morning hours to compensate for the drift, but
> >> I don't know if thats a fact.  I often see the grid at 60.01 hz,
> >> in the middle of the day though.
> >
> > Hmm, my APC SmartUPS just reports 60.0 or 60.2Hz all the time, so
> > I don't think I believe it to be accurate. :)
> >
> > What gismo are you using to measure that?
>
> Wow, by pressing the right-hand button on my APC Back-UPS XS1000, I
> can see lots of status information, nice!
>
> I also have a Back-UPS XS900, and many years ago it shut down and
> beeped constantly, if memory servers, and so I replaced the fan, and
> put it back to work. Now the dual-batteries need to be replaced.
> I have them out in the garage, but I had taken the specs to my local
> W*ntronics store and they flatly stated that they would not order what
> I was specifying, and I refused to buy APC-branded batteries, thinking
> that I could save lots of money... I should probably pursue this and
> post the info at my web site.
>
> I recently took lots of pictures of the new memorial to Nikola Tesla
> down by the Falls, I need to see about putting those online, as well.
> If you haven't done so, I highly recommend reading "The Man Who
> Invented The Twentieth Century : Nikola Tesla, Forgotten Genius Of
> Electricity," by Robert Lomas.
>
> - --
> Daniel Villarreal
>

Sayal might have the batteries you're looking for.

>
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