Re: additional transformers [rolled caps]
From: Bert Hickman[SMTP:bert.hickman-at-aquila-dot-com]
Reply To: bert.hickman-at-aquila-dot-com
Sent: Tuesday, August 05, 1997 2:19 AM
To: Tesla List
Subject: Re: additional transformers [rolled caps]
Tesla List wrote:
> From: Robert W. Stephens[SMTP:rwstephens-at-headwaters-dot-com]
> Reply To: rwstephens-at-headwaters-dot-com
> Sent: Monday, August 04, 1997 10:05 PM
> To: Tesla List
> Subject: Re: additional transformers [rolled caps]
> > Do you advocate using several serial connected stages in the one, rolled
> > poly cap or several separate caps connected in series?
> > Peter E.
> I'm no *expert* on homemade capacitors. There are a number of
> coilers on this list who *are* experienced in this art enough to be called
> experts. In my opinion though I think placing a number of caps in
> the same container all in series would be the way to go because in
> doing so you reduce interconnection leadlength and help lower the ESL
> of the cap which is what you desire in a pulse cap. I have thought
> about schemes employing flat stacking of poly and foil which can give
> series capacitors all in one package. Perhaps someone out there has
> tried this and can chime in here.
and files cap1.jpg - cap4.jpg for pictures of a pair of flat plate caps
which use this approach. Each cap has 4 equal secions connected in
series for a total of 128 mils of LDPE. These caps were "overdesigned"
for use in a 20 KV pig-driven system. Like Timex, they've taken a
lickin' and they keep on tickin'...
-- Bert H --