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2022•2022 IEEE 20th Biennial Conference on Electromagnetic Field Computation (CEFC)Open access

Dynamic Hysteresis Calculation of Silicon Steel Considering DC Hysteresis and Anomalous Eddy Current Loss

Yanhui Gao, Taketo Shibauchi, Yuji Gotoh, Weimin Guan, Kazuhiro Muramatsu

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Abstract

For accurate magnetic field and iron loss calculation of laminated iron cores with low computation cost, we have proposed a combined 3D solid core and 1D steel plate model. Only the initial BH curve and classic eddy currents are considered in the 1D steel plate model, thus it is improved to consider the DC hysteresis property and anomalous eddy current loss. The improved 1D steel plate model is applied to the dynamic hysteresis loop calculation of silicon steel. It is shown that dynamic hysteresis loops obtained from the improved 1D model are in good agreement with the measured ones.

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What this paper is about

For accurate magnetic field and iron loss calculation of laminated iron cores with low computation cost, we have proposed a combined 3D solid core and 1D steel plate model. Only the initial BH curve and classic eddy currents are considered in the 1D steel plate model, thus it is improved to consider the DC hysteresis property and anomalous eddy current loss. The improved 1D steel plate model is applied to the dynamic hysteresis loop calculation of silicon steel. It is shown that dynamic hysteresis loops obtained from the improved 1D model are in good agreement with the measured ones.

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Available abstract

For accurate magnetic field and iron loss calculation of laminated iron cores with low computation cost, we have proposed a combined 3D solid core and 1D steel plate model. Only the initial BH curve and classic eddy currents are considered in the 1D steel plate model, thus it is improved to consider the DC hysteresis property and anomalous eddy current loss. The improved 1D steel plate model is applied to the dynamic hysteresis loop calculation of silicon steel. It is shown that dynamic hysteresis loops obtained from the improved 1D model are in good agreement with the measured ones.

Key concepts: Electrical steel, Eddy current, Hysteresis, Materials science, Magnetic hysteresis, Silicon, Mechanics, Current (fluid)

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