A Perturbative Method for Calculating the Impedance of Coils on Laminated Ferromagnetic Cores

<table>Contours of constant <svg height="12.85" id="M225" style="vertical-align:-2.8755pt" version="1.1" viewbox="0 0 17.625 12.85" width="17.625" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.85)">
<g transform="translate(72,-61.72)">
<text transform="matrix(1,0,0,-1,-71.95,64.63)">
<tspan style="font-size: 11.21px; " x="0" y="0">𝐿</tspan>
</text>
<text transform="matrix(1,0,0,-1,-64.01,61.83)">
<tspan style="font-size: 7.85px; " x="0" y="0">𝑚</tspan>
</text>
</g>
</g>
</svg> at 1 MHz.</table>

Mathematical Problems in Engineering

fig3

Figure 3

Figure 3: A Perturbative Method for Calculating the Impedance of Coils on Laminated Ferromagnetic Cores 