UPS Recommendations: was Re: Power supply recommendations

[Leon Goldstein]

David Bandel wrote inter alia:

>Unfortunately, I see the same trend in UPSs.  The dampeners and
>regulators (power supply geeks might call them zener diodes, etc., but
>to most of us they're just filter components) have also been removed
>from UPSs making them little more than batteries.  And while batteries
>(which are really just big capacitors) dampen surges somewhat, as do
>isolation transformers, etc., the new battery USPs aren't running off
>the batteries all the time so the big dampeners are effectively not in
>the circuit at the most critical times.
>
>That's how you make cheap power supplies and UPSs.  By removing
>"unnecessary" components.  Funny how those components were necessary
>when the supply was originally designed, but now aren't.
>
Any recommendations or preferences from among the currently available 
UPS offerings?

-- 
Leon A. Goldstein

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