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

<table><svg height="13.2" id="M243" style="vertical-align:-2.89125pt" version="1.1" viewbox="0 0 93 13.2" width="93" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.2)">
<g transform="translate(72,-61.44)">
<text transform="matrix(1,0,0,-1,-71.95,64.37)">
<tspan style="font-size: 11.21px; " x="0" y="0">(</tspan>
<tspan style="font-size: 11.21px; " x="3.732264" y="0">𝐿</tspan>
</text>
<text transform="matrix(1,0,0,-1,-60.28,61.57)">
<tspan style="font-size: 7.85px; " x="0" y="0">𝑚</tspan>
</text>
<text transform="matrix(1,0,0,-1,-51.72,64.37)">
<tspan style="font-size: 11.21px; " x="0" y="0">−</tspan>
<tspan style="font-size: 11.21px; " x="10.154448" y="0">𝐿</tspan>
</text>
<text transform="matrix(1,0,0,-1,-33.62,61.57)">
<tspan style="font-size: 7.85px; " x="0" y="0">𝑚</tspan>
<tspan style="font-size: 7.85px; " x="5.5706601" y="0">ℎ</tspan>
</text>
<text transform="matrix(1,0,0,-1,-23.02,64.37)">
<tspan style="font-size: 11.21px; " x="0" y="0">)</tspan>
<tspan style="font-size: 11.21px; " x="3.732264" y="0">/</tspan>
<tspan style="font-size: 11.21px; " x="6.8480878" y="0">𝐿</tspan>
</text>
<text transform="matrix(1,0,0,-1,-8.24,61.57)">
<tspan style="font-size: 7.85px; " x="0" y="0">𝑚</tspan>
<tspan style="font-size: 7.85px; " x="5.5706601" y="0">ℎ</tspan>
</text>
</g>
</g>
</svg> curve versus frequency.</table>

Mathematical Problems in Engineering

fig10

Figure 10

Figure 10: A Perturbative Method for Calculating the Impedance of Coils on Laminated Ferromagnetic Cores 