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A Permanent Magnet Synchronous Machine with Mechanically Controlled Excitation Flux

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  • Piotr Paplicki

    (Faculty of Electrical Engineering, West Pomeranian University of Technology in Szczecin, Sikorskiego 37, 70-313 Szczecin, Poland)

Abstract

This paper presents the initial design of a permanent magnet synchronous machine with mechanically controlled excitation flux using the linear sliding motion of an additional excitation source placed inside a hollow shaft in the rotor. A new rotor design concept and assembling method are described and presented in detail. On the basis of 3D-FE analysis results, the principle of adjusting reluctance, magnetic flux distribution, flux linkage, field weakening rate, no-load back EMF waveforms, electromagnetic torque, magnetic tension, and the effectiveness of the excitation adjustment of the presented machine design are discussed. The presented machine concept enables the design of permanent magnet excited machines with a good flux control range operating in changing load conditions under variable rotor speed.

Suggested Citation

  • Piotr Paplicki, 2025. "A Permanent Magnet Synchronous Machine with Mechanically Controlled Excitation Flux," Energies, MDPI, vol. 18(17), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:17:p:4781-:d:1744829
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    References listed on IDEAS

    as
    1. Nicola Bianchi & Paolo Gherardo Carlet & Luca Cinti & Ludovico Ortombina, 2022. "A Review about Flux-Weakening Operating Limits and Control Techniques for Synchronous Motor Drives," Energies, MDPI, vol. 15(5), pages 1-18, March.
    2. Yacine Amara & Sami Hlioui & Mohamed Gabsi, 2021. "Overview of Degrees of Freedom in the Design of PM Synchronous Machines," Energies, MDPI, vol. 14(13), pages 1-24, July.
    3. Gustav Mörée & Mats Leijon, 2022. "Overview of Hybrid Excitation in Electrical Machines," Energies, MDPI, vol. 15(19), pages 1-38, October.
    Full references (including those not matched with items on IDEAS)

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