Re: [TCML] toroids instead of spheres - why?

[Scott Bogard <sdbogard@xxxxxxxxx>]

I'm not sure which document you are referencing, but if I am not mistaken,
a toroid typically has a larger capacitance for a given breakdown voltage
does it not?  IT also has far superior top turns shielding characteristics
which is why we use them so much; I believe this has to do with the E-field
shape though and not the capacitance.

Scott Bogard.


On Wed, Aug 21, 2013 at 5:34 PM, Electronic Battle <
electronicbattle@xxxxxxxxxxxxxx> wrote:

> Hello all
>
> many years ago someone provided a very useful reference which was a
> document (either a paper or an excerpt from a book). I look to Antonio De
> Queiroz or Bert Hickman for starters but it may have been one of many
> similar experts.
>
> If I remember correctly, it explained that for a given breakdown voltage,
> the dimensions required of a toroid to hold off that voltage meant it
> presented a smaller capacitive load than a sphere of equivalent hold-off
> (breakdown) voltage.
>
> I can't find the reference and I have failed to locate it in the archives,
> can anyone point me in the right direction please?
>
>
>
>
> Thanks!
>
>
>
>
>
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