[Nut-upsuser] Slightly OT: Generators & UPS

[Daniel O'Connor]

On Friday 01 September 2006 16:10, Julian Stacey wrote:
> I guess the Halogen lights are a straight resisitive load ?  (ie
> no complex electronics in the back, although light bulbs somehow
> seem to get inductive ) however the fluorescent Do have a wedge of
> electronics on a PCB in back, & as you know starter capacitor in
> front etc.
>
> My guess is its the fluorescents being the dirty (noisy) load.
>
> You could confirm by using an oscilloscope (there are also more
> complex power measuring logger machines), borrow one & or its
> optionaly owning / accompanying owner / electrician & then simulate
> the power failure again.

Yes, unlike fluorecent lights.

> Thr traditional simple way mechanical way to iron out noise from a
> generator is to feed it into a motor witha big flywheel, & couple
> a generator to the flywheel.

Or something like this 
http://www.mgeups.com/download/doc_intl/powcond/ctuk.pdf

Probably not quite the same amount of isolation but a lot lighter, cheaper and 
smaller :)

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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