Re: [TCML] spark gap substitute...?

[johnbrooks@xxxxxxxxxxx]

Yes,This link is one everyone will want to print and file.This article
helps
in many ways.One of which is knowing "Exactally" what's going on.Thanks
Phillip
Joe in Texas


On Wed, 27 Jan 2010 08:07 -0600, "Phillip Slawinski"
<pslawinski@xxxxxxxxx> wrote:
> Daniel
> 
> It might work, but there are several difficulties you would need to
> overcome.  You would need antiparallel diodes since you're switching an
> AC
> load.  Also SCRs are pretty slow in terms of switching speed.  You would
> be
> better off using IGBTs as a replacement for the spark gap <see
> http://wiki.4hv.org/index.php/SISG>
> 
> -Phillip Slawinski
> 
> On Tue, Jan 26, 2010 at 22:11, Daniel Lee <leedanieljoseph@xxxxxxxxx>
> wrote:
> 
> > Hello all,
> >
> > I'm having difficulty getting my stationary spark gap to work properly.  I
> > am wondering; is it possible to use an optocoupler (triggered by a 555
> > timer
> > or maybe a function generator) to trigger a pair of massive SCRs to imitate
> > the function of a spark gap?
> > The biggest SCRs I've seen can handle 1kv (probably rated in DC, but i'm
> > not
> > sure), so it couldn't be too big of a coil.  I'm just wondering if this
> > would work or if I'm missing something obvious.
> >
> > Thanks,
> > daniel
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