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Re: [TCML] Variac

I can run it beyond 158V without popping the breaker.  I set up a jacobs
ladder to test running the transformers at higher voltage.  At the variacs
maximum setting the arcs will go up to 6" before extinguishing.

On Thu, Jun 26, 2008 at 9:45 AM, Lau, Gary <Gary.Lau@xxxxxx> wrote:

> Pushing 158V into a 120V NST may be a stretch.  I would not be worried
> about the secondary insulation breaking down (but not certain here!) quite
> as much as saturating the primary and drawing excessive current.  If you
> meter the primary current and don't see it soaring, I guess it's OK.
>
> Regards, Gary Lau
> MA, USA
>
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > Behalf Of Phillip Slawinski
> > Sent: Wednesday, June 25, 2008 9:59 PM
> > To: Tesla Coil Mailing List
> > Subject: Re: [TCML] Variac
> >
> > I just tried it :)  I have a 0-250V variac (with 110 input).  I set up a
> gap
> > and drew a power arc from the NST.  I ran the NST up to 158V (10A on the
> > primary).  Seemed fine, and the arc became notably hotter :)
>
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