Re: [TCML] Dual MOT SGTC

["DC Cox" <resonance@xxxxxxxxxxxx>]

What size capacitor did you use with the two MOTs?

Dr. Resonance

On Wed, Jun 25, 2008 at 3:05 PM, Liviu Vasiliu <teslina@xxxxxxxxx> wrote:

> Hi list
>
> I built these days another dual MOT for a friend (he needs it for a
> presentation or maibe to impress some other guys, who knows). I dont have
> the time to set a web page, but I made a quick movie presentation (sort
> of...) and some "action" movies.
>
> The power source is just two MOTs in serie (4-4.5 kV output), inductive
> ballasted on the low voltage side. I still believe that it is the cheapest
> solution for the eastern Europe where the NSTs are still rare. They give
> enough power for a healthy streamer and if they are well ballasted they can
> get some more voltage input (from a variac) without saturation (just more
> voltage and lower current in the same power area). The gap is not set very
> wide (to mantain the breakrate at resonable high level), so the streamer is
> not the longest possible, but is still very good for a presentation. I wound
> a bit longer secondary to prevent the strikes to the strikerail, allowing
> the full lenght for the streamers. Because the low kV input the primary cap
> cost is very low.
>
> The "presentation" movie:
>
> http://www.youtube.com/watch?v=scdu0BoxSaw
>
> 220 V from mains, multiple streamer output:
>
> http://www.youtube.com/watch?v=5IdWf83LNvw
>
> 250 V from variac, more like a single streamer output:
>
> http://www.youtube.com/watch?v=18yltrMa5AE
>
> Enjoy
>
> teslina
>
>
>
>
>
>
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