Robert Dixon (OARNet) recently wrote:
Some time ago I wrote a short article here, about using a generator with a UPS, and ADEC chose to put that article on its web site.
I recently received the enclosed message from someone who found the article very helpful.
Thanks to ADEC for putting it on the web site. A good example of knowledge spinoff to the commercial sector.
Bob
Robert S. Dixon, Ph D, PE
Chief Research Engineer
Ohio State University, Office of the CIO and
Ohio Academic Resources Network (OARNet)
Postal address:
Office of the CIO
Room 451 Baker Systems Eng
Ohio State University
1971 Neil Ave
Columbus, OH 43210
Office Telephone:
614-292-1638
Lab Telephone:
614-292-7425
Fax:
614-292-7081
Email:
Bob_Dixon@osu.edu
Date: Wed, 26 Feb 2003 20:32:37 -0500
From: John (Scooter) Wetmore
Subject: UPS vs. Generator
To: Bob Dixon
Cc: Mark McAdam
Organization: Scooter's Sales & Service
I really appreciate your article on the web concerning the frequency tolerance of a UPS. I just installed a backup generator in my Tupper Lake, New York RadioShack store. We have many power failures there since we are in the middle of the woods.
Whenever the transfer switch put the UPS's on the generator they would switch to battery power. I checked the voltage at the input and found it to be within one volt of the line. My next step was to install a Sola constant voltage transformer ahead of the UPS's. Reading your article saved me this money and a lot of frustration.
Thank You
John Wetmore
Owner, Scooter's Sales & Service
RadioShack Dealer Stores
Gouverneur & Tupper Lake, New York
scooter@northnet.org