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RE: [TCML] Torroid/Shorted Turn?



If you search the Pupman.com archives for "toroid shorted turn" it's been discussed many times.  The consensus is that the toroid is too far away from the primary and its high currents & magnetic fields, for losses to be significant.

Regards, Gary Lau
MA, USA

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Skip Malley
> Sent: Friday, September 05, 2008 12:06 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Torroid/Shorted Turn?
>
> This is the first time that I have heard this being asked, but yes,
> it would act like a shorted turn and probably eliminates the windings
> near the top as useful turns   It might be worth trying to make the
> toroid look more like a big C.  It might add a few volts to the final
> output.  It would also lokely change the resonant frequency of the
> secondary wince it will likely change the inductance of the
> secondary.  A shorted turn at the end of the secondary would
> effectively shorten the length of the secondary.  By "unshorting" it
> the inductance would increase a bit.
>
> Skip Malley
>
> At 03:01 AM 9/5/2008, you wrote:
> >Just curious if a corona ring on top of the  secondary coil, or the torroid
> >itself acts like a shorted turn? If so, is  it just insignificant?
> >
> >Tony Greer
>
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