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Re: MMC Protection SGap current limit



Hi Terry,

Tesla List wrote:

> Original Poster: Terry Fritz <twftesla-at-uswest-dot-net>
>
> Hi Ted,
>
>  I put the safety gap basically across the main gap ...

I don't  understand how you do that, the safety and main gap are parallel
normally
that's the shortest who suppose to fire. Please explain.

Luc Benard(Montreal)


> so that the primary
> inductor of the Tesla coil will act as a current limiter.  Some people fear
> that the main cap may charge up to higher voltages especially in resonant
> systems.  However, as long as the interconnect wiring is sound, it should
> not make much difference if the primary inductor is in series with the cap
> and the safety gap.  MMCs, if well designed, can probably take over voltage
> hits well but normally they should never have to.  I worry more about the
> transformers getting damaged from over voltage more than the caps.  I think
> the recent posts about Ross Overstreet's "hot rodded" NST being successful
> is due to the fact he "only" over currents it rather than overvoltages it.
> He may run at 4X the rated current, but I bet he doesn't run it at 4X the
> rated voltage ;-)
>
> Cheers,
>
>         Terry