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Re: Coil Experiments in Austin



Malcolm Watts wrote:

> Earlier I wrote in reply to Greg Leyh:
> 
> > > I hope to do so by bootstrapping the secondary with a 100 kJ, 25 kV bank
> > > of capacitors, fed by a 100 kVA capacitor charging power supply.  In this
> > > way whenever the streamer connects solidly with a grounded object, the
> > > caps will disruptively discharge thru the arc, followed by 100 kW of CW from
> > > the DC power supply.  Then when the streamer breaks away or is interrupted,
> > > then the power supply will recharge the caps.
> > >
> > > Any comments regarding the feasibility of this setup will be appreciated.
> >
> > Ball lightning production could be on perhaps. Any chance that the
> > caps will charge to destruction? I guess you'll be isolating the
> > charging supply with chokes?

Yes, a 4mH sgl layer choke.  I doubt that I'll even need it, if I can get a 
good earth gnd.

> A further thought: some of the discharge current from the caps will
> end up in the primary. It might matter.
> 
> Malcolm

The coil should act as a step-down xfmr in that direction, producing only
hundreds of volts.  The primary ckt is god for 35 kV.