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DC resonant inductor - sizing core

Original poster: "Paul Benham" <paulb@xxxxxxxxxxxxxxxxxxxx>

Hi All,

I am in the process of rebuilding my DC charging inductor.  Does anyone have
any information on how I should calculate the size of the core I use based
on the peak current and value of inductance required?  I will put an air gap
in the core so it does not saturate.

I have calculated the size of wire to use based on ~3A/square mm that I read
in a transformer paper once.

I am thinking of getting a MOT core with an air gap and winding lots of wire
on it first and seeing what value I end up with and going from there.


Paul Benham.