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Update Modelica/Magnetic/FundamentalWave/UsersGuide/PermanentMagnets.mo
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Co-authored-by: Thomas Beutlich <modelica@tbeu.de>
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AHaumer and beutlich committed Jun 9, 2022
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Expand Up @@ -6,7 +6,7 @@ class PermanentMagnets "Concept of permanent magnet modeling"
<h4>Concept of permanent magnet modeling</h4>

<p>
High performace permanent magnets (e.g. NdFeB) operate on their largest hysteresis loop.
High performance permanent magnets (e.g. NdFeB) operate on their largest hysteresis loop.
This characteristic is nearly linear in the second quadrant between remnant flux density B<sub>r</sub> and coercive field strength H<sub>c</sub>.
As an example, typical values are B<sub>r</sub> = 1.3 T and H<sub>c</sub> = 1000 kA/m.
This proves that the slope of the hysteresis loop is nearly fully saturated with a relative permeability &mu;<sub>r</sub> = B<sub>r</sub> / H<sub>c</sub> / &mu;<sub>0</sub> = 1.
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