Re: Capacitor dielectric

To: tesla-at-grendel.objinc-dot-com
Subject: Re: Capacitor dielectric
From: jim.fosse-at-bdt-dot-com (Jim Fosse)
Date: Tue, 09 Apr 1996 00:33:42 GMT
>Received: from bdt.bdt-dot-com (root-at-bdt-dot-com [140.174.173.10]) by uucp-1.csn-dot-net (8.6.12/8.6.12) with SMTP id TAA09647 for <tesla-at-grendel.objinc-dot-com>; Mon, 8 Apr 1996 19:36:03 -0600


>>From ed-at-alumni.caltech.edu Sat Apr  6 10:13 MST 1996

>Richard:
>	Have you tried pumping the capacitors down and then
>pouring in the oil?  Probably from a jug which is also connected
>to the capacitor and evacuated first.  That is the general
>procedure for vacuum impregnating transformers, and seems to
>work well.  Not sure about the water aspirator, though, because
>there will be water vapor in the system.
>Ed Phillips
>
>[ This is the technique that I used and my cap is still working after 15kV 
>  -- Chip ]
>
It may actually work better than a real vacuum pump. I use an
industrial vacuum pump, when I open up the oil valve, the oil boils,
introducing more gas bubbles.

I don't have a way of regulating the vacuum yet. The lighter fractions
of the oil appear to boil off.

	jim