Modeling the Effect of Compressive Stress on Hysteresis Loop of Grain-Oriented Electrical Steel

Mateus Botani de Souza Dias, Fernando José Gomes Landgraf and Krzysztof Chwastek
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Mateus Botani de Souza Dias: Department of Metallurgical and Materials Engineering, Polytechnic School, University of Sao Paulo, Sao Paulo 05508-030, Brazil
Fernando José Gomes Landgraf: Department of Metallurgical and Materials Engineering, Polytechnic School, University of Sao Paulo, Sao Paulo 05508-030, Brazil
Krzysztof Chwastek: Faculty of Electrical Engineering, Częstochowa University of Technology, 42-201 Częstochowa, Poland

Energies, 2022, vol. 15, issue 3, 1-21

Abstract: Modeling of hysteresis loops may be useful for the designers of magnetic circuits in electric machines. The present paper focuses on the possibility to apply the Harrison model to describe hysteresis loops of grain-oriented electrical steel subject to compressive stress. The model extension is achieved by introduction of an additional term into the equation that describes irreversible magnetization process. The extension term does not include a product of stress and magnetization, as could be anticipated from Sablik’s theory, applicable, e.g., to the Jiles–Atherton model. The present contribution points out the fundamental differences between the two aforementioned modeling approaches, which are based on different philosophies despite some apparent similarities. The modeling results are in a qualitative agreement with the experimental results obtained from a single sheet tester for a representative commercially available grain-oriented electrical steel grade 0.27 mm thick.

Keywords: Harrison model; grain-oriented electrical steel; hysteresis loops; compressive stress (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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