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Re: [TCML] MMC's



Thank You, Daniel, Steve, and Bert, All points well taken, one more
question please. I.U. also sells a little rectangular Capacitor,
[.15u/2KVMAZ1] Any thoughts on that?
Adam J.

On Mon, Nov 23, 2020 at 12:44 PM Bert Hickman <bert@xxxxxxxxxxxxxxxxxxxxx>
wrote:

> Hi Adam,
>
> The capacitors from Information Limited are well-made pulse
> foil-film-oil capacitors made by Condenser Products (CP). CP used to
> sell "Tesla Coil" capacitors like these directly to Tesla Coilers.
> However, some coilers on the Pupman list found that these caps could
> build up internal pressure when overvolted due to gas formation and
> corona at the plate boundaries. The cylindrical shape did not handle
> pressure as gracefully as box-shaped cases used by Maxwell and other
> pulse cap manufacturers. Because of liability concerns with amateur
> coilers, CP stopped selling these to non-professional coilers and
> non-business entities over 20 years ago. You may want to search for
> Condenser Products in the Pupman archive for more information
>
> That being said, CP caps are very well-made pulse caps. However, some
> Pupman coilers did encounter problems when using their 20 kVAC CP caps
> in 14.4 pig or 15 kV NST-powered system. Since these caps are NOT
> self-healing, when abused they will either fatally fail shorted or they
> may even "rapidly disassemble". Many professionals using these caps
> often specified CP caps rated for either 25 kVAC or even 32 kVAC.
>
> As mentioned by others, an MMC capacitor provides greater flexibility,
> self healing, and no oily mess if/when it fails. However, some initial
> assembly is required.
>
> Good luck,
>
> Bert
>
> Adam James wrote:
> > Trying to understand why I should build a MMC When I can purchase a
> single
> > Capacitor from Information unlimited that would work for my upcoming
> coil.
> > A .014u/20KVAC is only $70 versus much more $ to buy and use
> > comparable single Caps to build a mmc?
> > Adam James
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> > Tesla@xxxxxxxxxxxxxxxxxx
> > https://www.pupman.com/mailman/listinfo/tesla
> >
> >
>
>
>
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