UPSes - MinuteMan, others?
Ben Scott
dragonhawk at gmail.com
Thu Aug 10 18:28:19 EDT 2006
On 8/10/06, Mark E. Mallett <mem at mv.mv.com> wrote:
> http://www.intellipower.com/
Yah, Google found them, too. They had some interesting tech papers.
The issue, as usual, is that it's all biased to sell their stuff.
:-/
> While they all lasted 5+ years, most of them long enough to go through
> more than one set of batteries, each one ended up having electronics
> failures eventually.
Well, everything wears out, eventually. It sounds like those might
be wearing out at 5+ years. I'm dunno if that's good or not. :)
> These days we are using standby units, mostly (if not entirely) APC.
Our regular IT equipment is all on stand-by UPSes. I'm using
PowerWare stuff here, but only because that was what was here when I
got here, so I kept buying the same brand to keep things simpler.
I've used Smart-UPS'es in the past in similar roles. They all feature
some kind of hand-waving "voltage regulation". It's fine for keeping
computers working on typical office power.
Some of our test equipment, though, is both esoteric and expensive,
and in the middle of a factory with crappy power. Your typical
stand-by UPS basically chokes in this environment -- it's like having
a power failure 15 times a day.
I'm pretty set on a double conversion unit, it's just the brand I'm unsure of.
> (or you could get one of those flywheel systems..)
Ha ha, only serious. I looked -- very briefly. Motor-generator
sets are the best power protection money can buy, or so I'm told.
It's hard for a voltage surge to get through an axle. Even lightening
is generally stopped by a MG. But while I'm willing to pay for some
overkill here, that's a bit more overkill then I need. (Overkill
overkill?)
-- Ben
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