Re: Filter Choke Design

To: tesla-at-grendel.objinc-dot-com
Subject: Re: Filter Choke Design
From: joeyd-at-sojourn-dot-com (Joe Duszynski)
Date: Wed, 06 Mar 1996 10:52:31 -0500
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>I',m curious about another issue in filter choke design. Namely, are people 
>considering the saturation flux density (Bmax) of their chokes? If not, then
>the inductance of a choke which is exceeding Bmax is not the same value one 
>measures beforee the choke is actually used in  tesla coil circuit. 
>
>Suppose that a 100 turn choke sees:
>10,000volts at 100kHz
>
>reproducing the desing formula for flux density B:
>
>
>          8 
>   V x 10^
>B= ------------------
>    4.44 x f x N x A
>
>
>where 
>B=peak flux density in gauss
>V=rms voltage
>f=frquency in Hz
>N=number of turns
>A=core area in sq cm
>
>then assuming the torriod has a square cross section A=1cmxcm
>
>B=22,000 gauss
<snip> 

Gauss???????? I thought they redefined the units for measuring magnetic flux
as Teslas??
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