Re: Gap turn off at zero current and TVI
Hi Terry, Richie,
Interesting observations! You ask:
> Original Poster: Terry Fritz <twftesla-at-uswest-dot-net>
> From an off list post...
> At 09:16 PM 6/23/99 +0100, you wrote:
> >Hi Terry,
> >I just thought I would send you this message as some work I have been
> >doing recently further validates the observations in one of your papers
> >on High Bandwidth Primary Behaviour. It also sheds new light on the
> >TVI business.
> >My guess is that this effect is indeed causing the linear decay in the
> >primary ringing waveform. Since the amplitude of the bursts stays
> >fairly constant, an equal amount of the primary energy is radiated
> >in an HF burst every time the spark gap current goes low enough for
> >the gap to turn off. (In a way this effect is similar to the inductive
> >kick business being discussed at the moment. Both appear to be the
> >result of an inductor being open circuited whilst current is flowing.
> >I guess that the resulting voltage kick is what re-ignites the gap ?)
> Wow!!! You are seeing things few of use have seen!!! Nice to have someone
> else see these things too! I have not studied this much further than those
> papers reported but there is a LOT to still learn there!
> >What I really want to know is the one thing that you omitted:-
> >HOW DO I GET RID OF THESE HF BURSTS ?
Try something I;'ve been meaning to try but never got around to: a
snubber across the gap. Who knows - perfect quench might be just
around the corner. So might a host of other interesting effects.