Re: Cooling MOFSETS and IGBT's.

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

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-uswest-dot-net>" <m.j.watts-at-massey.ac.nz>

On 19 Mar 01, at 11:15, Tesla list wrote:

> Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-uswest-dot-net>"
> <jimlux-at-earthlink-dot-net>
> 
> 
> 
> Tesla list wrote:
> > 
> > Original poster: "sundog by way of Terry Fritz
> > <twftesla-at-uswest-dot-net>"
> <sundog-at-timeship-dot-net>
> > 
> > 
> >  On a thought, I do *NOT* recommend trying to watercool electrodes. 
> >  It'd
> > take a pump insulated to 30kv or so.  The $20 home-depot-special
> > will most assuredly arc over and fry (and put HV on the mains).  So
> > don't try it.
> > 
> > Thanks Marc for thinkin' of using this on IGBS's!
> > 
> >    Comments, questions and snide remarks welcome!
> >
>               Shad
> 
> Distilled water as the coolant would work quite nicely, and hold off
> the 30 kV.
> 
> or, run entire water cooling rig "floated" at the HV.

But will it remain distilled in contact with various voltages and 
metals? I don't think I'd have water anywhere near HV of any sort and 
the thought of dripping condensation doesn't appeal either if for no 
other reason than corrosive effects.

Regards,
malcolm