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Thermal Aging Study of an Anodized Aluminum Strip Wire for Winding and High Temperature Use

Author

Listed:
  • Sonia Ait-Amar

    (Laboratoire Systèmes Electrotechniques et Environnement (LSEE), UR 4025, Université Artois, F-62400 Béthune, France)

  • Rania Saoudi

    (Laboratoire Systèmes Electrotechniques et Environnement (LSEE), UR 4025, Université Artois, F-62400 Béthune, France)

  • Gabriel Vélu

    (Laboratoire Systèmes Electrotechniques et Environnement (LSEE), UR 4025, Université Artois, F-62400 Béthune, France)

Abstract

Electrical machines are commonly used in industries and transport and are manufactured with enameled wire coils with polymer insulation. In extreme conditions, as in aeronautics and aerospace, where temperatures exceed 280 °C, the organic insulation deteriorates and it is necessary to find another way to insulate winding wires, in order to ensure a longer life duration of the insulation system and a better operating reliability of electric motors in these environments. Ceramics are more resistant to high temperatures than polymers and the proposed study focuses on the temperature dependence of the dielectric properties of anodized aluminum strips for use in high-temperature electrical machine windings. Different dielectric parameters are measured during thermal constraint. The purpose is to determine the temperature index of the anodized strip and propose a thermal stress life model.

Suggested Citation

  • Sonia Ait-Amar & Rania Saoudi & Gabriel Vélu, 2022. "Thermal Aging Study of an Anodized Aluminum Strip Wire for Winding and High Temperature Use," Energies, MDPI, vol. 15(15), pages 1-10, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:15:p:5362-:d:870474
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    References listed on IDEAS

    as
    1. Vanessa Neves Höpner & Volmir Eugênio Wilhelm, 2021. "Insulation Life Span of Low-Voltage Electric Motors—A Survey," Energies, MDPI, vol. 14(6), pages 1-32, March.
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