Re: inductor current limiting for MOTs

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "george hadle by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ckreol1-at-yahoo-dot-com>

current equals V div. by XL
XL is inductive (L) reactance.  2 (pi) f L is the
formula. 2x3.14x60xthe inductance of your inductor.
That's the math anyway.


--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "Laurence Davis by way of Terry
> Fritz <twftesla-at-qwest-dot-net>" <meknar-at-hotmail-dot-com>
> 
> I've gathered a few MOTs and realized that I have to
> current limit
> them.  I want to build a small static gap coil with
> 1 or 2 of them.
> Some of the people running MOTs have used inductive
> current limiting.  
> However I don't know the equations for calculating
> the
> inductance required.  can someone point me towards
> the equations?
> What shape of core should i use for the choke;
> cylindrical or toroidal?  And to choose the
> material... I'm assuming the
> current limiter would be placed before the chokes
> limiting the feedback
> of the high frequency from the primary tank circuit.
>  Therefore the 
> frequency would be 60hz.
> 
> thanks, larry d.
>