"David Heald" <hea...@symbol.com> wrote on 06/02/2003 11:51:50 AM:
> Most UPS's use a stepped approximation of a sine wave when in battery
> mode. While most switching supplies don't care (and are the intended
> loads for these UPS's), surge suppressors can cause real issues - It has
> something to do with capacitive overload of the output circuits.
If the capacitance of MOVs is a problem, then the capacitance of the X caps
and Y caps found in most power supplies would be an even bigger problem.
Don Borowski
Schweitzer Engineering Labs
Pullman, WA
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