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Re: Tesla coil polarity?



Hi Ed,
my fault, I got confused between a a disruptive discharge coil using a DC
supply
to charge the series tank capacitor, and a solid state TC that uses a DC
voltage
which is pulsed then fed into a resonant secondary!

Regards,

Gavin

Tesla List wrote:

> Original Poster: "Ed Phillips" <evp-at-pacbell-dot-net>
>
> Tesla List wrote:
> >
> > Original Poster: "Gavin Dingley" <gavin.dingley-at-astra.ukf-dot-net>
> >
> > Hi Matt,
> > a DC powered tesla coil generates high frequency current that is fed into
> > the base of a secondary coil. So instead of a primary coil you directly
> > feed the secondary with high frequency alternating current (usually a high
> > frequency pulse train passed through a capacitor). So in answer to your
> > question, the output from a DC TC is AC, if that makes any sense.
> >
> > Regards,
> >
> > Gavin
> >
>
>         Perhaps simpler way to state it is that in a "DC TC" the primary
> capacitor is charged from a DC source (series inductance is typical)
> instead of being charged from a transformer.  Same basic coil.......
>
> Ed