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Re: NST in oil design to help prevent NST failures
Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>
Dr.,
Do you have an idea of what these transformers will cost approximately??
Thanks
The Captain
> I'm working hard on this problem Ken. In July I hope to offer 15 kV 120
mA
> units in core/coil assemblies that can be dropped in a tupperware dish
full
> of xmfr oil and the shunt moved over to around 180 mA.
>
> Later this fall we expect to do the 16 kV, 200 mA units and the shunt on
> this could be moved as far as 250-300 mA if the duty cycle is short.
>
> Epoxy is ok for lighter duty but oil is the best for HV insulation and
> cooling factors. A good 200 degree C wire in oil and you have to boil the
> oil before it dies.
>
> I'm trying to optimize the design to keep the costs affordable for members
> of this list. Will keep you posted. The bobbins and the windings aren't
> the problem --- it's optimizing laminated core costs to make it all work
> out.
>
> Dr. Resonance
>
> Resonance Research Corporation
> E11870 Shadylane Rd.
> Baraboo WI 53913
>
> > When I was big into burning out neon sign transformers, I found that
the
> old
> > tar filled ones seemed to be rougher and tougher than some of the newer
> > epoxied units. The ones that lasted the shortest time under abuse were
> ones
> > from Actown. The tar filled Jefferson electric ones seemed the hardest
to
> > destroy, and were obviously much older.
> >
>
>
>
>
>