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how to use CST MWS to calculate inductance by S-parameter of two kontaktlos coils

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xihazhu

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i will simulate two kontaktlos coils, between is air.
simulate with the CST MWS to calculate mutual inductance between the coils and the respective self-inductance,

Primary coil: outer diameter 130mm, diameter 40mm, coil material: iron μr = 2300 Winding material: copper μr = 1, and the resistivity ρ = 0.0176Ωmm2 / m, the primary coil input current 10 A
Secondary coil: outer diameter 130mm, diameter 40mm, coil material: iron μr = 2300 Winding material: copper μr = 1, and the resistivity ρ = 0.0176Ωmm2 / m

Between primary and secondary air spacing 30mm.
better using S-parameter.

the model is :
View attachment 58222View attachment 58223
View attachment 58223 given formular: Main inductance LH = N12*f1/I1 I
Primary inductance L1s = N12*(f1-f2)/I1
secondary inductance L2s = N22*(f2-f1)/I2

how i could calculate inductance from S-parameter?
thanks
 

xihazhu

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The problem is how to add a current souce inside one coil and the relationship between S-parameter and inductance.
Thanks in advance.
 

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