Re: Ballasting ..... Again

• To: tesla-at-pupman-dot-com
• Subject: Re: Ballasting ..... Again
• From: Greg Leyh <lod-at-pacbell-dot-net> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Fri, 23 Oct 1998 16:37:52 -0600
• Approved: terryf-at-verinet-dot-com

> Original Poster: Mark Finnis <mefinnis-at-medicine.adelaide.edu.au>


> My 5 kVA transformer is nearing completion.  Wound up using 0.71mm wire for
> the new secondary.  Needed 19 layers/winding to get 60:1 and 14.4 kV, but
> due to thickness of insulation etc the window will only allow 18 layers
> .... still, 13.6 kV will do just fine ;-)
> 
> The point of the post is to discuss ballasting this monster.  I have a 15A
> variac, which will limit me to 3.6 kV theoretically (though I could
> probably squeeze a little more for short runs).  I have a quantity of
> left-over wire from the primary (it had windings out to 440V - since
> removed) which I could use for an inductor with an appropriate core.  This
> wire is rectangular and about 3.5 x 2mm .... quite heavy !

Gee, if you're going through all the trouble of
winding your own (50Hz!) transformer, why don't
you include a magnetic shunt on the transformer
core itself to provide the ballasting function? 
-- 


-GL
www.lod-dot-org

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