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Hysteresis Modeling for Electrical Steel Sheets Using Improved Vector Jiles-Atherton Hysteresis Model

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4 Author(s)
Wei Li ; Sch. of Electr. Eng., Chungbuk Nat. Univ., Cheongju, South Korea ; In Hyun Kim ; Seok Myeong Jang ; Chang Seop Koh

To describe the vector magnetic hysteresis phenomenon of electrical steel sheets, an improved vector Jiles-Atherton hysteresis model is presented. The proposed model is developed based on Berqvist model. First, the anhysteretic magnetization function is improved by modifying the model parameters according to the excitation direction. By this, the modeling results are accurate under different alternating and nonsaturated rotating excitations. Furthermore, to model the magnetic property under saturated rotating excitations accurately, the proposed model is extended by modifying the model parameters according to the measured data. The proposed model is validated through comparisons between modeling and measured results under different alternating and rotating excitations.

Published in:

Magnetics, IEEE Transactions on  (Volume:47 ,  Issue: 10 )