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Magneto-thermal characterization of bulk forged magnetic steel used in claw pole machine

Abstract : During the operation of Claw Pole (CP) machines, and for some operating loads, the magnetic core temperature can reach 180°C in some hot spots. As a consequence, the core electromagnetic properties may considerably change, impacting the machine performances. In such a case, a deep knowledge of the electromagnetic behavior as a function of the temperature is required. In this work, we present a dedicated study of the CP rotor made of a forged magnetic steel. In fact, the CP magnetic properties heterogeneity and the claw shape made it necessary to extract specific samples that are characterized with a miniaturized Single Sheet Tester (SST). To that end, this work proposes a specific methodology to characterize the electromagnetic properties of the CP rotor material as a function of the temperature in order to better predict the machine electrical performances, especially regarding the iron losses.
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Contributeur : Meryeme Jamil <>
Soumis le : vendredi 26 mars 2021 - 16:12:51
Dernière modification le : lundi 29 mars 2021 - 08:40:40
Archivage à long terme le : : dimanche 27 juin 2021 - 18:59:16


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Meryeme Jamil, Abdelkader Benabou, Stéphane Clénet, Sylvain Shihab, Laure Le Bellu Arbenz, et al.. Magneto-thermal characterization of bulk forged magnetic steel used in claw pole machine. Journal of Magnetism and Magnetic Materials, Elsevier, 2020, 502, pp.166526. ⟨10.1016/j.jmmm.2020.166526⟩. ⟨hal-02947808⟩



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