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首页> 外文期刊>IEEE Transactions on Magnetics >Plane Wave Model for the Electromagnetic Behavior of SiFe Alloys
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Plane Wave Model for the Electromagnetic Behavior of SiFe Alloys

机译：SiFe合金电磁行为的平面波模型

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We present a model that evaluates in the frequency domain the magnetic behavior of laminated SiFe alloys caused by a magnetic field imposed at the material edge. The model is based on plane wave theory describing how an electromagnetic wave penetrates a material. As the nonlinear material with hysteresis can cause harmonic frequency components of the field and induction inside the material, the model takes into account several harmonics simultaneously by applying the harmonic balance principle. The plane wave model is solved iteratively with a classical Preisach model as constitutive law. We compare the model with a time domain finite-element model and with measurements on a ring core and find a good correspondence. The CPU time is low if only a few harmonics are considered and if the nonlinearity of the material is rather mild.
机译：我们提出了一个模型，该模型在频域中评估由材料边缘施加的磁场引起的叠层SiFe合金的磁行为。该模型基于描述电磁波如何穿透材料的平面波理论。由于具有滞后作用的非线性材料会在材料内部引起磁场的谐波频率分量和感应，因此该模型通过应用谐波平衡原理同时考虑了多个谐波。平面波模型是用经典的Preisach模型作为本构律迭代求解的。我们将该模型与时域有限元模型进行了比较，并与环芯上的测量结果进行了比较，并找到了良好的对应关系。如果仅考虑少量谐波，并且材料的非线性相当温和，则CPU时间很短。

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