[Bldg-sim] UPS Heat of rejection. (UNCLASSIFIED)

Eurek, John S NWO John.S.Eurek at usace.army.mil
Tue May 31 10:28:09 PDT 2011


Classification: UNCLASSIFIED
Caveats: NONE

All,

I have a project with an UPS room (Uninterruptible Power System).  I was give
the full load heat rejection.  

As I understand the UPS system, it is a battery back-up in emergencies. So
the rest of the time the UPS would be in a trickle-charger type mode.  When I
model the UPS as being in full load heat 24hrs-365day if become a very large
percentage of my building.  

What can I assume for the tickle-charger mode?  (I'm going to assume
"Emergencies" happen so seldom that it isn't worth scheduleing. So my model
would have the UPS always in stand-bye mode.... you know, in an attempt to
reflect reality.)

John

Classification: UNCLASSIFIED
Caveats: NONE





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