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Eaton 9130 UPS feedback

On Tue, Nov 13, 2012 at 1:52 PM, Robert Bonomi <bonomi at mail.r-bonomi.com> wrote:
>> From: Blake Dunlap <ikiris at gmail.com>
>> Date: Tue, 13 Nov 2012 15:20:35 -0600
>> On Tue, Nov 13, 2012 at 2:27 PM, Mike A <mikea at mikea.ath.cx> wrote:
>> > On Tue, Nov 13, 2012 at 11:59:18AM -0800, Seth Mattinen wrote:
>> > > Does anyone use Eaton 9130 series UPS for anything? I'm curious how
>> > > they've worked out for you.
>> > >
>> > > I bought a 700VA model to give it a whirl versus the traditional APC
>> > > since the Eaton is an online type with static bypass and also does some
>> > > high efficiency thing where it normally stays on bypass, but the first
>> > > thing it did on the bench was have the inverter/rectifier or bypass
>> > > section catch on fire and destroy itself.
>> >
>> > Was this the 2U rackmount form factor, or the tower?
>> >
>> > Either way, I hope that you will pursue this with APC tech support. That's
>> > a pricey piece of gear, and it shouldn't toast itself at any time.
>> >
>> As a side note, how do you call a UPS "online" if it stays on bypass most
>> of the time, and throws out of "bypass" to go to battery?
> Reading the specs, it _is_ 'true online' normally, has a bypass mode if
> internal failure detected, or manually commanded.  UPS totally disabled
> in bypass -- if utility power fails while on bypass, downstream devices
> lose power.   In bypass, device provides 'passive' filtering of utility
> power ONLY.

Reading the users manual... pp 33, "Setting Power Strategy", it
indicates that normal operation is true online (as above) and that you
can change it to "high efficiency" mode, which is not online per se
(default bypass, 10 ms cutover if it detects a fail or spike).  So it
has 3 modes; default/normal (online), high efficiency (bypass
w/cutback), and partially failed (bypass only, UPS functions

-george william herbert
george.herbert at gmail.com