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Gap Losses (II) Re: Primary Heating



Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>" <davep-at-quik-dot-com>

Tesla list wrote (in part):

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

> > come on people lets give it a thought or 10 ....  just maybe we can come
> > up with a new approach ...
 
> I don't think it's any great secret. Increase Xp to reduce gap
> current since the loss is essentially a VI function.

	Is it?
	Seriously...
	ARC losses aren't.  (Arcs have a negative resistance
	characteristic:  More current means LESS voltage drop.)

	Sparks ARE a different beast, but, I'd have thought
	sparks were similar?  (without checking references...)

> Interestingly enough, there is probably only so well you can do.
> Consider that for a given Xp, if you reduce all other primary
> losses to an absolute minimum, primary current is maximised
>which = maximised gap losses for that value of Xp. A related
> approach is to run real high primary voltages as well to make
> the Vgap drop a smaller fraction of the total.

> Regards,
> malcolm

	best
	dwp