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Article Dans Une Revue International Journal of Applied Electromagnetics and Mechanics Année : 2022

Using grain oriented electrical steel sheets for electric motor in automotive application: Tooth segmentation

Résumé

Grain Oriented Electrical Steel (GOES) have better performance in terms of permeability and iron losses compared to conventional Fe-Si 3% Non-Oriented Grains Electrical Steel (NOES), particularly when it is magnetized in the rolling direction. This paper presents a concentrated winding radial flux permanent magnets synchronous machine (PMSM) equipped with teeth made of GOES sheet. The goal is to assess the suitability of the use of GOES sheets to improve the efficiency of electric motors. This work is based on the comparison of the performances (Joule losses, iron losses, losses in the permanent magnets and efficiency) of two iso-geometric motors: a reference motor made of NOES sheets and a motor with GOES sheet teeth, at iso-torque and over the operating range (at constant torque and flux weakening). The comparison is made using a finite element software application considering the magnetic anisotropy of the GOES sheets.
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Dates et versions

hal-04292657 , version 1 (17-11-2023)

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Abderrahmane Rebhaoui, Sid Ali Randi, Cristian Demian, Jean-Philippe Lecointe. Using grain oriented electrical steel sheets for electric motor in automotive application: Tooth segmentation. International Journal of Applied Electromagnetics and Mechanics, 2022, 69 (2), pp.221-232. ⟨10.3233/JAE-210186⟩. ⟨hal-04292657⟩

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