Re: oil dielectric

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

Water can be easily kept sufficiently pure with a small pump and a small
deionizing cartridge... the whole setup, brand new, from McMaster Carr or
Grainger will probably be a few hundred bucks...

Or, one can take that few hundred bucks and buy some drums of Diala AX...
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, May 13, 2002 10:51 AM
Subject: Re: oil dielectric


> Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<davep-at-quik-dot-com>
>
>
> >>    There was an article in TCBA News a number of years ago which
described
> >>a 1920's vintage GE HV testing lab.  If I remember correctly,
> >>one of the devices was indeed an oil-immersed Tesla coil.  Should work
> >>fine, but messy messy messy.  Once stuff has been in transformer oil it
> >>is never as nice again.
>
> > Hmm,Tesla used boiled out oils, however the kind of oil was not
>
> >specified.  Could an oil like peanut oil
>
>
> Need to check the dielectric constant, probably not
> specified.
>
> > be used in place of the transformer oil?
>
>
> AND essentially all oils are more or less flammable.
> Except 'PCB's', which have their own problems.
>
> > I understand it has a very high boiling point.  I also have
>
> >been reading that distilled water would accomplish a similar feat,
>
> > being non-conductive when distilled.
>
>
> It needs to be VERY well purified AND KEPT that way.
> Non trivial tasks.  And its more 'corrosive' than
> most oils.  99.99999% pure.
>
> (Near here: Some of my power comes from a HVDC
> substation, that chops +/- 500KVDC to 60 Hz.  They
> do all the HVDC with 99.99999 water....  They have
> Substantial Plant to keep it pure.)
>
> > Of the two, which would be the better?  Paul
>
>
> Air?
> Free, self healing, good dielectric strength.
> Oil scares me from being flammable, tho many people
> use it.  I Have my doubts water can be kept
> sufficiently pure.
>
> best
> dwp
>
>
>