Re: cap in parallel to neon xfrmr

            Re: cap in parallel to neon xfrmr
            Wed, 2 Apr 1997 11:27:35 +1200
            "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
            Wellington Polytechnic, NZ


>       From: 
>            xtal-at-airmail-dot-net (David Christal)
>         To: 
>            Tesla List <tesla-at-pupman-dot-com>
> References: 
>            1
> On Wed, 26 Mar 1997 08:50:20 -0600, you wrote:
> >If you put the HV cap in parallel to the neon xfrmr won't you short
> >out or at least overload the xfrmr ?
> >----------------------------
> >Kenneth Aaron 
> >E-mail : kennetha-at-geocities-dot-com
> >http://www.geocities-dot-com/SunsetStrip/8736/
> >----------------------------
> >
> >
> The way I see it:
> Once the capacitor is fully charged, it no longer conducts;

Charging current falls to zero near as....
> the current then flows through the spark gap;

If the gap firing voltage has been reached.....
> the current stored in the cap is then drained through the (conducting)
> spark gap;

and dumped into the primary coil setting up an oscillation. At this 
time, the transformer is also shorted by the gap which is where 
current limiting inductance comes in handy.....
> the drained cap now conducts again, thus shutting off the arc in 
> the spark gap.

It was conducting while oscillating with the primary coil. The gap
goes out when gap current reaches a low enough level - i.e. energy
transferred to the secondary and lost in other ways.....
> and so on, and so on, and so on.
> Sure it's hard on the cap and the xformer, but that's what we're here
> for!
> The primary coil inductance absorbs some of the shock.

gets the shock which is passed on to the secondary.

> Some people add a resistor to lighten the load.
> Take this with a grain of salt, I'm new to all this.

> David Christal 3341 Cloverdale Lane, Dallas, TX  75234
> 214 349-6972 (214 FIX MY PC) (Pool Cues and Personal Computers)