[Prev][Next][Index][Thread]
Re: additional transformers [rolled caps]
-
To: "'Tesla List'" <tesla@poodle.pupman.com>
-
Subject: Re: additional transformers [rolled caps]
-
From: Tesla List <tesla@stic.net>
-
Date: Sun, 3 Aug 1997 00:22:19 -0500
-
Approved: tesla@stic.net
From: Peter Electric[SMTP:elekessy@macquarie.matra.com.au]
Reply To: elekessy@macquarie.matra.com.au
Sent: Saturday, August 02, 1997 4:16 AM
To: Tesla List
Subject: Re: additional transformers [rolled caps]
T> >
> >Peter,
>
> The effect you note is an old one and is purely elecrostatic in nature.
> Current will readily flow along differing dielectric boundry edges in the
> presnce of rapidly changing voltage gradients. The sharper and more angular
> they are the more likeily a flashover might occur. The classic example is
> the plane, flat, dielectric surface with a knife edge lying flat on it
> (plate and insulator sheet) Amazing arc lengths can be supported at
> relatively low voltages provided the dv/dt is steep enough.
>
> Richard Hull, TCBOR
I would have thought that Poly and Transformer oil would have similar
dielectric constants so there shouldn't be too much of a "boundary".
Might have to do a few experiments with pins and pieces of plastic.
Peter E.