The Effect of Magnetic Anisotropy on the Computed Specific Total Loss in Electrical Steel

Wojciech A. Pluta ()
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Wojciech A. Pluta: Faculty of Electrical Engineering, Czestochowa University of Technology, 42-201 Czestochowa, Poland

Energies, 2024, vol. 17, issue 5, 1-18

Abstract: Grain-oriented (GO) electrical steel (ES) laminates are still very important in industrial applications due to their remarkable crystallographic properties. Cores of large electrical machines and transformers are built from ES. The performances of these devices are significantly influenced by the properties of ES. The improvement of ES properties has been the subject of considerable research for many years. The phenomenon of magnetic anisotropy is highly non-linear, and it should be taken into account by the designers of magnetic circuits. The article proposes a modified model for calculating the angular properties of specific total loss of ES. The modeling takes into account the isotropic component (from classic eddy currents) and the anisotropic component, which is the sum of hysteresis and excess losses. For the directional loss modeling, the Boltzmann function was used. An analysis of the dependency of model coefficients on the frequency is presented.

Keywords: electrical steel; magnetic anisotropy; specific total loss; hysteresis and excess loss (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: 2024
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