[Amps] OM power power supply design

Felipe Ceglia - PY1NB felipeceglia2 at gmail.com
Fri Dec 11 01:08:53 PST 2009


Hi again folks,

As I should have expected, there would be no free lunch on this.

Thank you for your opinions!

73,

Felipe - PY1NB

Felipe Ceglia wrote:
> Hi guys,
> 
> Still regarding my own project.. As the first quote was a bit too
> salty, I started thinking about alternatives...
> 
> Last night I came across these schematics from OM Power.
> 
> They use 8 250v  windings, rectified, in series. Seems ingenious as
> that would lower the costs for the transformer, and it makes the use
> of toroidal cores an option.
> 
> What would be the drawbacks of copying such a design? Should each of
> the windings deliver the required current or should there be a safe
> margin?
> 
> here are the pics: http://www.sm5cki.se/ompower/schematics.html
> 
> 73 tu,
> 
> Felipe
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