Online/double-conversion UPS economy/high efficiency modes?

Alex Rubenstein alex at
Fri Dec 7 00:19:40 UTC 2012

> I have a 700VA 9130 rackmount that I recently bought to give it an eval run
> (although the first was a dud). There is a 3kVA model. For my small load it
> reports a PF of 0.91 online.

PF, as in power factor? That has nothing to do with UPS efficiency.

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