# Re: Neon power draw, and resonant stresses.

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From: 	Peter Electric[SMTP:elekessy-at-macquarie.matra-dot-com.au]
Sent: 	Saturday, August 30, 1997 4:36 AM
To: 	Tesla List
Subject: 	Re: Neon power draw, and resonant stresses.

Tesla List wrote:

> From:   FutureT-at-aol-dot-com[SMTP:FutureT-at-aol-dot-com]
> Sent:   Friday, August 29, 1997 4:22 AM
> To:     tesla-at-pupman-dot-com
> Subject:        Re: Re[2]: Neon power draw, and resonant stresses.
>
> In a message dated 97-08-28 15:56:55 EDT, you write:
>
> <<
> > John, you have brought up an issue I had asked the list about and
> never
> > got a response.  You say "If it's value is such that it resonates
> with
> > the leakage reactance of the neon trannie..." How is this
> determined. In
> > the designing phase how could one determine if this would happen?
> And
> > does this stress the neon two much, or is it ok as long as the gap
> fires
> > to discharge it?
>
> > Still resonating in Ohio,
> > Mad Coiler
> >  >>
>
>
> I'm unable to find the formula, I was hoping someone would re-post
> it for you again.  "does it stress the neon too much?"... depends on
> what you mean by too much.  Certainly, it stresses it more than
> without resonant charging.  Yes, by limiting the gap spacing, you can
> limit the voltage across the trannie, and still obtain the benefit of
> the increased current draw. None of my neons have yet burned,
> and I've been using this resonant method for years.
> (I did burn out a couple of neons...but that was when I used a
> non-sync rotary gap!)
>
> John Freau

I believe the formula is C=1/2*PI*F*R
where R=V/I

For a 15Kv 60Ma, R=250000 and  if F is 60Hz, C=.01uF

Cheers,

Peter E.

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