Re: Small DRSSTCs

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Liviu Vasiliu <teslina@xxxxxxxxx>

http://www.stevehv.4hv.org/DRSSTC.5.htm

http://hosting.modflex.com/rayer/teslatr/sstce.htm#IGBT

http://www.ctc-labs.de/html/mhrdrsstc_2.html

http://www.geocities.com/livvasil/minidrsstc.html

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--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: "S&JY" <youngsters@xxxxxxxxxxxxxxx>
>
> 1) The list has been buzzing with the success of
> ever-larger and more
> impressive DRSSTCs, with even larger ones on the
> drawing board.  But what
> about the other end of the spectrum?  Some of us may
> wish to build much
> smaller versions for tabletop fun and portability.
> But as size goes down,
> the secondary resonant frequency goes up, and can be
> in the 200-500 kHz
> range.
>
> Question - are IGBTs available that can work well at
> much higher Fs?
> Current capacity & voltage rating need only be
> enough to produce leaders
> measured in inches for tiny coils, to about 3 feet
> for larger desktop
> models.  Any suggested manufacturers & products?
> Any general design advise
> for building small DRSSTCs?
>
> 2) Suppose one wanted to buiild a twin coil DRSSTC.
> Does anyone see a
> problem in using feedback from just one of the
> primaries or secondaries?  I
> think all would be well for leaders jumping between
> the coils, but what if
> one coil experiences a ground strike and the other
> one doesn't, etc?
> Experts, any thoughts?
>
> --Steve Y.
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