Re: SSTC questions

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jan Wagner by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jwagner-at-cc.hut.fi>

Hi Terry,

(by the way, Paul Nicholson & co - when might the modeling software
http://www.abelian.demon.co.uk/tssp/ be available for download?
judging from the flowcharts and derived formulas it looks very
interesting and promosing to say the least)

> There are a number of configurations for a solid state Tesla coil.  But it
> sounds like you are using a H-bridge at the coil's resonant frequency to
> drive a primary.

Actually to drive a impedance matching transformer. :o) Well I guess
I'll just try out both ways - 1/4wave transformer and direct match
transformer secondary out to TC base input Z. After all winding the
transformer is the easiest part of it all. 

> I drive my solid state coil with an RF power supply in this configuration:
> http://hot-streamer-dot-com/TeslaCoils/MyCoils/CWCoil/CWDig.jpg

Hmm sorry but is the site down? Or maybe it is just the finnish
internet backbone that can't reach the site? I get "TCP_error" and
"webserver may be down" yesterday and today.

> I don't have a primary cap or anything so there is no real stored energy to
> be punched back into the supply.  It is a well protected plasma supply
> anyway but, aside from high reflected power when it is not tuned, the load
> seems very tame.

I was more worried about the secondary topload not breaking out, and
thus when the driver shuts down (interrupt mode) a bunch of that
energy might decide to take a visit through the transformer back to
the mains side. Probably means "goodbye driver circuit"?


Big thanks for comments!

 - Jan