Re: [LUG] Power supplies - do they have transformers

[Tom <madtom1999@xxxxxxxxxxxxxx>]

On 06/09/13 09:31, raymond.knowles@xxxxxxxxxxxxx wrote:
> Hi Tom,
>
> Not sure what 'standard' means in this context.
>
>
> The answer is some do, some don't. The big giveaway is the
> weight.
> If it seems astonishingly light, then there is no
> conventional
> transformer therein.
>
> I have a quantity of
> 'surplus' 200VA transformers which could
> be doubled or
> trebled up to deliver 500VA.
> What volts and amps do you
> require?
> Does it need smoothing?
> What would it power?
> Motors, lamps, electronics, something else?
>
> Give me a bell
> and we can sort out the details.
>
> Regards etc,
> Ray.
>
> > ----
> Original Message----
> > From: madtom1999@xxxxxxxxxxxxxx
> > Date: 06/09/2013 8:13
> > To: <list@xxxxxxxxxxxxx>
> > Subj:
> [LUG] Power supplies - do they have transformers
> > Do the
> standard pc power supplies have a transformer in them.
> Just
> > wondering as I found a 500W job for Â12 and I cant
> get a 500w
> > transformer for anything like that
> > Tom te tom
> te tom
> > --
> > The Mailing List for the Devon & Cornwall
> LUG
> > http://mailman.dclug.org.uk/listinfo/list>FAQ: http://www.dcglug.org.uk/listfaq
I'm looking into inverters for renewable to mains - and it amazes me how 
expensive they are ( I was a chip designer many years ago) and the major 
cost should be the transformer and all of my powers supplies have 
transformers in (or are weighty) and I was just wondering whether the 
price here for transformers is overinflated like everything else!
Tom te tom te tom

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