[Prev][Next][Index][Thread]

RE: Induction heating in toroid / short circuit of secondary

Ok Ken,
We'll be keeping a keen eye on your submitted word from now on....
The double 'rr' may come from
 spell checkers suggesting toroid is torrid !
 and they have no idea concerning dielectric.

Regarding toroid toploads,

Is it at all possible a toroids intense electrostatic field
 impulse could affect (interact with) the electromagnetic field ?

I know theory says they're in different planes, 
 but can TC high intense energy physics alter that ?

I admire how the toroid appears to shield or provide 
 influence to produce even field distribution, 
 preventing corona, innerwinding arcs, etc.

Re: my ~8"x24" AL dryer duct toroid(s): 
I do not observe a significant change in affect
between leaving the toroid shorted and open (but close ~1/4"), 
and aiding or opposing Sec winding direction. 
Open, I'm able to draw ~1/8" point-point arcs at the edges, 
suggesting EM induction and some energy wasted. (?)
But as well, I can produce similar arcs from any loop
even further from the TC.

Regards, Dale

-----Original Message-----
From: Tesla List [mailto:tesla-at-pupman-dot-com]
Sent: Tuesday, December 21, 1999 10:33 AM
To: tesla-at-pupman-dot-com
Subject: Re: Induction heating in torroid / short circuit of secondary

Original Poster: Kennan C Herrick <kcha1-at-juno-dot-com> 

Here is a thought on the subject:

A "shorted" toroid constitutes a single shorted turn adjacent to the
secondary.  There will be a circulating current in it but the power it
might subtract from the system will be very small since its resistance is
very low ((I^2)R--remember?).  Its only deleterious effect might be to
set up its own magnetic field that would be in opposition to the field of
the secondary--tending to push aside that latter field.  Apparently that
doesn't happen to any great extent, or else if it does, it doesn't matter
all that much, at the top end of the secondary coil where that magnetic
field is the weakest.  Or else--the field tending to be pushed aside
merely "sneaks out" between the secondary and the toroid.  That it might
be deflected from passing completely thru the toroid is of no
consequence, of course, since the purpose of the toroid is not at all to
act as a part of the transformer per se.

And by the way, everyone--and please no one take offense:  It's "toroid"
with 1 "r" and it's "dielectric" with an "e" and not an "a".  Sorry--I
can't help it!

Ken Herrick