Re: [TCML] Dual MOT SGTC

[Liviu Vasiliu <teslina@xxxxxxxxx>]

37.5 nF @ 16 kV MMC type, 3 strings, each string with 8 caps in serie (100 nF @ 2kv)

teslina
>
>


--- On Thu, 6/26/08, DC Cox <resonance@xxxxxxxxxxxx> wrote:

> From: DC Cox <resonance@xxxxxxxxxxxx>
> Subject: Re: [TCML] Dual MOT SGTC
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Date: Thursday, June 26, 2008, 5:42 AM
> 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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> >
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