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Analysis of the Partial Demagnetization Process of Magnets in a Line Start Permanent Magnet Synchronous Motor

Author

Listed:
  • Mariusz Baranski

    (Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, 60-965 Poznan, Poland)

  • Wojciech Szelag

    (Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, 60-965 Poznan, Poland)

  • Wieslaw Lyskawinski

    (Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, 60-965 Poznan, Poland)

Abstract

The paper justifies the validity of analyzing the impact of temperature and the process of partial demagnetization of magnets on the operating parameters of machines. To analyze this impact, a field model of coupled electromagnetic and thermal phenomena in a permanent magnet synchronous motor was proposed. The non-linearity of the magnetic circuit, the effect of temperature on the magnetic, electrical and thermal properties of the materials as well as the developed method of modeling the process of partial demagnetization of the magnet were taken into account. Based on this model, an algorithm and software were developed to analyze the effect of temperature and the process of partial demagnetization of magnets on the work of the line start permanent magnet synchronous motor (LSPMSM). The elaborated software was used to study the effect of temperature during the motor starting phase on the magnetization state of the magnets after the start-up process. The calculation results were compared to the results of experimental studies. The experimental tests were carried out on a specially constructed test stand. The results of the research on the process of partial demagnetization of the magnets are presented and the conclusions resulting therefrom formulated.

Suggested Citation

  • Mariusz Baranski & Wojciech Szelag & Wieslaw Lyskawinski, 2020. "Analysis of the Partial Demagnetization Process of Magnets in a Line Start Permanent Magnet Synchronous Motor," Energies, MDPI, vol. 13(21), pages 1-20, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:21:p:5562-:d:433957
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    References listed on IDEAS

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    1. Stefan Sjökvist & Sandra Eriksson, 2017. "Investigation of Permanent Magnet Demagnetization in Synchronous Machines during Multiple Short-Circuit Fault Conditions," Energies, MDPI, vol. 10(10), pages 1-12, October.
    2. Dorota Stachowiak & Andrzej Demenko, 2020. "Finite Element and Experimental Analysis of an Axisymmetric Electromechanical Converter with a Magnetostrictive Rod," Energies, MDPI, vol. 13(5), pages 1-12, March.
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    Cited by:

    1. Alexander Wahl & Christoph Wellmann & Björn Krautwig & Patrick Manns & Bicheng Chen & Christof Schernus & Jakob Andert, 2022. "Efficiency Increase through Model Predictive Thermal Control of Electric Vehicle Powertrains," Energies, MDPI, vol. 15(4), pages 1-21, February.
    2. Piotr Mynarek & Janusz Kołodziej & Adrian Młot & Marcin Kowol & Marian Łukaniszyn, 2021. "Influence of a Winding Short-Circuit Fault on Demagnetization Risk and Local Magnetic Forces in V-Shaped Interior PMSM with Distributed and Concentrated Winding," Energies, MDPI, vol. 14(16), pages 1-16, August.
    3. Dongming Li & Guihong Feng & Wei Li & Bingyi Zhang & Jiaxu Zhang, 2022. "Effect of Stator Slots on Electromagnetic Performance of a High-Voltage Line-Start Permanent Magnet Synchronous Motor," Energies, MDPI, vol. 15(9), pages 1-18, May.
    4. Alex Wray & Kambiz Ebrahimi, 2022. "Octovalve Thermal Management Control for Electric Vehicle," Energies, MDPI, vol. 15(17), pages 1-23, August.

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