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Analysis of the Influence of Parameter Condition on Whole Load Power Factor and Efficiency of Line Start Permanent Magnet Assisted Synchronous Reluctance Motor

Author

Listed:
  • Jin Wang

    (National Engineering Research Center for REPM Electrical Machines, Shenyang University of Technology, Shenyang 110178, China)

  • Yan Li

    (National Engineering Research Center for REPM Electrical Machines, Shenyang University of Technology, Shenyang 110178, China)

  • Shengnan Wu

    (National Engineering Research Center for REPM Electrical Machines, Shenyang University of Technology, Shenyang 110178, China)

  • Zhanyang Yu

    (National Engineering Research Center for REPM Electrical Machines, Shenyang University of Technology, Shenyang 110178, China)

  • Lihui Chen

    (National Engineering Research Center for REPM Electrical Machines, Shenyang University of Technology, Shenyang 110178, China)

Abstract

Line start permanent magnet assisted synchronous reluctance motor (LSPMaSynRM) is an important high-efficiency and high-quality motor. Its parameter matching and operating characteristics are complex, with an increase in salient ratio resulting in a valley in the power factor curve. In this study, the formation principle of power factor curve valley was first deduced by the mathematical model of LSPMaSynRM. Then, the parameter matching principle of power factor curve valley was analyzed in detail. On this basis, the characteristics of load rate corresponding to the critical state of the power factor curve valley were obtained, and its influence on whole load efficiency was analyzed. The design principles for optimal efficiency in wide high-efficiency region and specific load point were obtained. Finally, a 5.5 kW LSPMaSynRM was designed and manufactured to verify the validity of the principle.

Suggested Citation

  • Jin Wang & Yan Li & Shengnan Wu & Zhanyang Yu & Lihui Chen, 2022. "Analysis of the Influence of Parameter Condition on Whole Load Power Factor and Efficiency of Line Start Permanent Magnet Assisted Synchronous Reluctance Motor," Energies, MDPI, vol. 15(11), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:11:p:3866-:d:822896
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    References listed on IDEAS

    as
    1. Armagan Bozkurt & Ahmet Fevzi Baba & Yusuf Oner, 2021. "Design of Outer-Rotor Permanent-Magnet-Assisted Synchronous Reluctance Motor for Electric Vehicles," Energies, MDPI, vol. 14(13), pages 1-12, June.
    2. Carlos Candelo-Zuluaga & Jordi-Roger Riba & Dinesh V. Thangamuthu & Antoni Garcia, 2020. "Detection of Partial Demagnetization Faults in Five-Phase Permanent Magnet Assisted Synchronous Reluctance Machines," Energies, MDPI, vol. 13(13), pages 1-17, July.
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