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Re: Info and requests for book
From: Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent: Thursday, September 18, 1997 3:14 PM
To: tesla-at-pupman-dot-com
Subject: Re: Info and requests for book
A brief comment:
> From: terryf-at-verinet-dot-com[SMTP:terryf-at-verinet-dot-com]
> Sent: Wednesday, September 17, 1997 3:19 PM
> To: Tesla List
> Subject: Re: Info and requests for book
>
> Hi all.
>
> Mark and I said in part:
>
>
> >From: Mark S. Rzeszotarski, Ph.D.[SMTP:msr7-at-po.cwru.edu]
> >Sent: Wednesday, September 17, 1997 2:27 AM
>
> >Hello all:
> >Terry Fritz said in part:
> ><snip>
<snip>
> > Distributed capacitance is easily modelled and is essentially
> >isotropic in nature, related to the area of the coil on the former. It is
> >not turns dependent. It is not a killer unless you build really big coils,
> >and top capacitance does much to tame it.
> >
>
> Big top capacitance goes a long way toward swamping the coil capacitance and
> getting all the energy to the top. However, it also takes much energy to
> charge these big toriods. This takes time (ligthning doesn't wait around)
> and it also limits maximum voltages. I have to disagree about how easy it
> is to model or discount this capacitance. Idealy we wouldn't have any
> internal or top capacitance except what is generated by the giant "spark" an
> ideal system would produce. I would rather use thin toroids to control
> E-fields rather than produce large capacitances. However, this is something
> I need to study more.
I agree with Mark on the modelling problem. As far as large
capacitances go, you have see the high current discharges these
provide to really appreciate them although it sounds as if you've
seen them already.
Malcolm
<snip>