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Modelling of Spatial Harmonic Interactions in a Modular PM Generator

Author

Listed:
  • Tomasz Węgiel

    (Faculty of Electrical and Computer Engineering, Cracow University of Technology, Warszawska 24 St., 31-155 Cracow, Poland)

  • Dariusz Borkowski

    (Faculty of Electrical and Computer Engineering, Cracow University of Technology, Warszawska 24 St., 31-155 Cracow, Poland)

Abstract

This study analyses the spatial harmonic interactions of the magnetic field with winding currents for a modular PM generator (MPMG) in steady-state operation. We created MPMG mathematical model in which we applied the harmonic balance method (HBM) to an unusual stator winding connection involving parallel path configurations. A star or delta stator winding configuration with two winding paths connected in parallel or in series was introduced. In this way, we obtained four different winding diagrams. However, this approach required some systematization of the analytical model. Using transformations to symmetrical components helped us to make some simplifications of the model, especially for the symmetry of load. We used the proposed model to verify the numerical calculations by performing measurements on a laboratory test stand for a single segment. We performed comparative analyses of the measurement results of the generator-phase currents for four characteristic cases of the stator winding reconfiguration, and the calculations verified the ideal qualitative convergences and satisfactory quantitative convergences.

Suggested Citation

  • Tomasz Węgiel & Dariusz Borkowski, 2025. "Modelling of Spatial Harmonic Interactions in a Modular PM Generator," Energies, MDPI, vol. 18(16), pages 1-22, August.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:16:p:4297-:d:1722967
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    References listed on IDEAS

    as
    1. Tomasz Lerch, 2023. "Analysis of the Impact of Design Parameters on the Power Density of the New Design of the Cogging Machine," Energies, MDPI, vol. 16(7), pages 1-17, March.
    2. Natalia Radwan-Pragłowska & Tomasz Węgiel & Dariusz Borkowski, 2021. "Application of the Harmonic Balance Method for Spatial Harmonic Interactions Analysis in Axial Flux PM Generators," Energies, MDPI, vol. 14(17), pages 1-16, September.
    3. Keyi Wang & Heyun Lin, 2020. "Modular Permanent Magnet Synchronous Machine with Low Space Harmonic Content," Energies, MDPI, vol. 13(15), pages 1-18, July.
    4. Natalia Radwan-Pragłowska & Tomasz Wegiel, 2024. "Diagnostics of Interior PM Machine Rotor Faults Based on EMF Harmonics," Energies, MDPI, vol. 17(9), pages 1-22, May.
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