Re: Re: [TCML] Flat strip primary inductance

["DC Cox" <resonance@xxxxxxxxxxxx>]

Perhaps it could be expanded to an Archmedian spiral using the golden ratio
concept.

Dr. Resonance






On Sun, Dec 21, 2008 at 7:25 AM, Antonio Carlos M. de Queiroz <
acmdq@xxxxxxxxxx> wrote:

> Paul Nicholson wrote:
>
>> <div class="moz-text-flowed" style="font-family: -moz-fixed">The
>> inductance of a flat strip coil is significantly lower
>> than that of a round conductor wound along the same path.
>>
>> None of our TC calculators take proper account of flat
>> conductors at the moment.  I think it would be possible to
>> alter JavaTC to model such primary coils by the above method,
>> but for now, you have to use a separate calculation such as
>> the one provided by Bart.
>>
> In the Inca program I have implemented the calculation for a single turn
> primary decomposed in several parallel rings. I didn´t extend the idea to
> coils with more turns, but it is surely possible. Something to try also
> would be to compute the inductance of a ring of flat ribbon using the gmd
> idea, but changing the gmd of a round conductor to the gmd of a flat ribbon.
> Mutual inductances between different turns would be calculated as if they
> were simple filaments. I will try some calculations.
>
> Antonio Carlos M. de Queiroz
>
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