Re: Capacitors

• To: tesla-at-pupman-dot-com
• Subject: Re: Capacitors
• From: Jim Fosse <jim.fosse-at-bdt-dot-com>
• Date: Sun, 15 Sep 1996 21:29:54 GMT

>Date: Mon, 09 Sep 1996 14:40:11 -0700
>From: Richard Hull <hullr-at-whitlock-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: Capacitors
>
[snip]
>Does your cap glow with corona when it is run?  Put two or three 
>in series until no corona exists.
>
Richard,

	In this old post to Julian, you mentioned a corona glow in a
polyethylene cap. Is this under oil? That is: can you see a corona in
a poly cap under transformer oil when you run it close to it's maximum
voltage level?

I'm asking because I've blow my 4 home rolled caps. Each was evacuated
to <10^-2 torr, filled with oil and then pumped down again. I am
guessing that I am just over voltageing my caps but will watch for
corona if it is observable.

	jim

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