VanLUG Email Archive
Richard Chycoski (richard@sfu.ca)
Tue, 4 May 1999 22:33:40 -0700 (PDT)
The non-linearity of most small UPS units also makes them unsuitable
to drive other UPS units, i.e. don't plug one UPS into another. It's OK to
plug a small UPS into a large (multi-KW) unit that puts out pure (or near pure)
sine waves, but the mostly-square waves of one small UPS will usually hinder
(or even harm) another UPS acting as a load.
- Richard
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