[Shop-talk] Boosting a UPS?

[Pat Horne]

I had this problem at my house. We have several UPS units around the place.
When the A/C came on all the UPS units would beep. Turned out we had low
line voltage coming into the house, about 108v that would drop to about 100v
for a second. Check your incoming power just to be sure.

Peace,
Pat

-----Original Message-----
From: Shop-talk [mailto:shop-talk-bounces at autox.team.net] On Behalf Of Mark
J Bradakis
Sent: Sunday, July 27, 2014 3:08 PM
To: shop-talk at Autox.Team.Net
Subject: [Shop-talk] Boosting a UPS?

It is hot here in Salt Lake. I got a small fan for my office to help keep me
cool.
I plugged it into one of the non-backup outlets on the UPS that powers the
Team.Net server. Now when I turn the little fan off or on, the UPS beeps a
few times. Interesting.

It could be a sign that I need to replace the UPS soon. Maybe time for a
mini fund drive?
I have also heard that one can increase the capacity by wiring normal 12
volt car, motorcycle, lawn tractor, etc. batteries into the circuit. Anyone
have any experience doing so?

mjb.

ps: About the only thing I remember from all the electrical engineering
classes I took
     in college is that given enough current, any circuit element can be
modeled as a fuse.
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