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Re: Self-built power transformer



What I meant is, it's wound on a solid iron core and placed in a pipe to
contain
the oil and provide magnetic coupling.

Tesla List wrote:

> Original Poster: ESchulz531-at-aol-dot-com
>
> Hi,
>         Your not using a pipe are you?  The flux would be way to high on
> the little amount of iron you have and would probably saturate below
> 30 volts unless you added a lot more turns in series.  Since the flux
> wouldn't have a closed path your mutual inductance will be really low.
> This means that you will have an efficiency less than 25%.  If you
> want to make a good/decent HV transformer get a real transformer
> core.
>
>         I am not trying to bite your head off I am just trying to stop
you from
> making that pretty smoke and wondering why it didn't work.
>
> Erik Schulz
>
> > Original Poster: Doug Brunner <dabrunner-at-earthlink-dot-net>
> >
> >  It's currently not a closed core. However, I can probably put
something in.
> >  One
> >  idea I want to check: it'll already be in a iron pipe (to contain the
oil).
> > If
> >  it's got good magnetic coupling with the end caps, will it work OK?
> >
> >  Tesla List wrote:
> >
> >  > Original Poster: "D.C. Cox" <DR.RESONANCE-at-next-wave-dot-net>
> >  >
> >  > to: Doug
> >  >
> >  > I assume your core is a closed core -- if you try this with a straight
> > core
> >  > and no closed magnetic path your losses will be horrible.
> >  >
> >  > DR.RESONANCE-at-next-wave-dot-net
> >  >



--
           --Mr. Postman (Doug Brunner)
                <dabrunner-at-earthlink-dot-net>