R
Robert Morein
Guest
"Scott Dorsey" <kludge@panix.com> wrote in message
news:c54acp$krl$1@panix2.panix.com...
news:c54acp$krl$1@panix2.panix.com...
Sola makes both CVS and CVN. The CVN's put out a flat-topped waveform.Watson A.Name \"Watt Sun - the Dark Remover\" <alondra101@hotmail.com
wrote:
We had a 80kVA Exide UPS for our computer room, then replaced it with a
150kVA Exide, that we have today.
We need to get a couple 2 to 3 kVA UPSes for some PBXes, and we've been
using Fortress and APCs lately. Are there any better UPSes out there?
The PBX uses a ferroresonant transformer in the constant voltage 48VDC
PS. If that makes any diff.
If you have a ferroresonant transformer there, you don't really need a
good
waveform on the input, but you do need pretty good frequency regulation.
You can also live with dropouts as a result, too, so you can probably get
away with a cheaper standby UPS without any trouble.
Depends on whether it's sine-wave neutralized.