Re: run capacitors for tc use

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Nick Andrews by way of Terry Fritz <twftesla-at-qwest-dot-net>" <nicothefabulous-at-hotmail-dot-com>

I was looking at caps for a pseudo-tc application in a welding arc 
starter/stabilizer.

Nick A






>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: run capacitors for tc use
>Date: Fri, 15 Nov 2002 12:09:49 -0700
>
>Original poster: "jimmy hynes by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
><chunkyboy86-at-yahoo-dot-com>
>
>
>thats the one. why do you ask?
>
>  Tesla list <tesla-at-pupman-dot-com> wrote:
>Original poster: "Nick Andrews by way of Terry Fritz "
>
>Was that this one: Model: N50H2210G12R for $1.00 each?
>
>Nick A
>
>
>
>
>
>
>
>
>
>
>
> >From: "Tesla list"
> >To: tesla-at-pupman-dot-com
> >Subject: Re: run capacitors for tc use
> >Date: Sun, 10 Nov 2002 21:33:38 -0700
> >
> >Original poster: "Bert Hickman by way of Terry Fritz "
> >
> >
> >Hi Jimmy,
> >
> >Connecting a bunch of these caps in series should work as a TC tank cap.
> >The voltage rating for MO caps is VAC RMS, but at 60 Hz. It would be
> >prudent to derate the voltage rating to 33-50% of this for RF use, since
> >internal stresses (in particular the risk of partial discharge damage on
> >the polypropylene (PP) dielectric) increase subs! tantially with increasing
> >frequency. You'll need to connect quite a few in series anyway to get the
> >capacitance down to a usable range. Connecting 20 or more of these caps in
> >series should do the trick for a 15 kV system.
> >
> >Since MO caps are oil impregnated and metal cased, you may also want to
> >put the capacitor bank inside a housing to protect you from a catastrophic
> >failure (hot oil and flying capacitor innards). Good luck!
> >
> >Best regards,
> >
> >-- Bert --
> >--
> >Bert Hickman
> >Stoneridge Engineering
> >"Electromagically" (TM) Shrunken Coins!
> >http://www.teslamania-dot-com
> >
> >Tesla list wrote:
> >>Original poster: "jimmy hynes by way of Terry Fritz "
> >>
> >>
> >>usamfg-dot-net were selling 2200v 1.02uf capacitors made by aerovox. on the
> >>aerovox website it said that the n-series are exte! nded foil construction
> >>with plain or rough polyprop! ylene and kraft; liquid impregnation. isn't
> >>that what you want for a tc capacitor? and is it 2200v rms or peak?
> >>
> >>JImmy
>
>
>
>
>
>JImmy


_________________________________________________________________
The new MSN 8: advanced junk mail protection and 2 months FREE* 
http://join.msn-dot-com/?page=features/junkmail