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Characterization of rotor losses in permanent magnet machines

    1. [1] University of Lorraine

      University of Lorraine

      Arrondissement de Nancy, Francia

    2. [2] Rajamangala University of Technology

      Rajamangala University of Technology

      Tailandia

    3. [3] Artus, Meggitt Group, Francia
  • Localización: Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 39, Nº Extra 5, 2020, págs. 1215-1226
  • Idioma: inglés
  • Enlaces
  • Resumen
    • Purpose – The purpose of this paper is to present a synthesis of the analysis and modeling of the rotor losses in high speed permanent magnets motors.

      Design/methodology/approach – Three types of losses are as a result of eddy currents in the conductive parts of the rotor. The analysis includes their characterization and the setup of a numerical model using finite element method. The adopted methodology is based on the separation of the losses which allows a better understanding of the physical phenomena. Each type of losses will bemodeled and computed separately.

      Findings – It is possible to make a precise estimate of the different losses in the rotor while keeping a relatively short computing time.

      Research limitations/implications – The analysis is applied on a high-speed permanent magnet motor for avionic application. The model is validated with the commercial finite element model (FEM) software Flux2D.

      Originality/value – The developed model allows an important save in terms of CPU-time compared to commercial FEM software while staying accurate. The separation of each losses and their sources is important for motor engineers and was requested for themto improve the designs more easily.


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