[AusNOG] Bottom of rack UPS
Gaurab Raj Upadhaya
gaurab at lahai.com
Fri Dec 17 05:45:03 EST 2010
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On 12/16/10 4:31 PM, Trent Lloyd wrote:
> I've run a 2.2KVA UPS on house power for a few years as have many
> associates of mine and not had any issues through brownouts, black
> outs, overvoltages, etc causing a trip.
> Have you actually run into this issue of it breaking in real life?
I have seen this happen, not necessarily in Australia, but elsewhere.
2.2KVA is well within the safe limits compared to the 3KVA. Some
10A power draw at 220-240V would be 2200-2400W. 2200W is the typical
Australian power supply. .
A 2.2KVA UPS with power factor of .8 (typical with UPS) would draw 1760W.
A 3KVA UPS with power factor of .8 would draw 2400W.
So, while the 2.2KVA UPS is in a safe bracket, with the 3KVA its on
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