[TCML] Capacitor encapsulent
Gary.Lau at hp.com
Sat May 23 12:08:35 MDT 2009
I've not personally experienced it, but I had assumed that plate glass failure in a cap was just due to localized heating from corona fracturing the glass. How hot does glass have to get to become conductive?
One further point regarding the original plan - Using brass for the plates is expensive and unnecessary. Aluminum foil or flashing is electrically perfectly adequate and a lot cheaper. The only down side is that one can't solder directly to it.
Regards, Gary Lau
> -----Original Message-----
> From: tesla-bounces at pupman.com [mailto:tesla-bounces at pupman.com] On
> Behalf Of jimlux
> Sent: Saturday, May 23, 2009 11:28 AM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Capacitor encapsulent
> > Hi Raymond,
> eading to degradation, tracking,
> > and eventual failure of your capacitor. Any hot spots in the dielectric
> > become increasingly electrically conductive, which can also lead to
> > localized thermal runaway, punch through, and shorting of the
> > dielectric.
> > Bert
> I completely forgot about that.. hot glass is a conductor.
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