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Analysis of Vibrations in Interior Permanent Magnet Synchronous Motors Considering Air-Gap Deformation

Author

Listed:
  • Yi Li

    (State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
    Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China)

  • Feng Chai

    (State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
    Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China)

  • Zaixin Song

    (Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China)

  • Zongyang Li

    (Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China)

Abstract

This paper studies the non-uniform air-gap caused by stator and rotor deformations, together with its effects on the spatial and temporal spectrum of the radial magnetic force density in an interior permanent magnet synchronous motor (IPMSM). According to the mathematical model of the deformed air-gap length, the superposition method is adopted to derive the air-gap permeance. Then, the formulas of the magnetic flux field and radial force density of the IPMSM considering air-gap deformation are obtained. Considering the stator oval deformation and the rotor centrifugal distortion in the electromagnetic finite element models (FEMs), the finite element analysis (FEA) and experiments of the investigated IPMSM are carried out to verify the results obtained by the theoretical analysis at different operations. Finally, the mathematical correlation between air-gap deformation and electromagnetic vibration is obtained. The result is helpful in solving problems of mutual influence between electromagnetic and mechanical characteristics during the optimization design of IPMSM.

Suggested Citation

  • Yi Li & Feng Chai & Zaixin Song & Zongyang Li, 2017. "Analysis of Vibrations in Interior Permanent Magnet Synchronous Motors Considering Air-Gap Deformation," Energies, MDPI, vol. 10(9), pages 1-18, August.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:9:p:1259-:d:109568
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    References listed on IDEAS

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    1. Ping Zheng & Fan Wu & Yu Lei & Yi Sui & Bin Yu, 2013. "Investigation of a Novel 24-Slot/14-Pole Six-Phase Fault-Tolerant Modular Permanent-Magnet In-Wheel Motor for Electric Vehicles," Energies, MDPI, vol. 6(10), pages 1-23, September.
    2. Guangtao Zhang & Junyong Wu & Liangliang Hao, 2017. "Fast Calculation Model and Theoretical Analysis of Rotor Unbalanced Magnetic Pull for Inter-Turn Short Circuit of Field Windings of Non-Salient Pole Generators," Energies, MDPI, vol. 10(5), pages 1-19, May.
    3. Weiwei Gu & Xiaoyong Zhu & Li Quan & Yi Du, 2015. "Design and Optimization of Permanent Magnet Brushless Machines for Electric Vehicle Applications," Energies, MDPI, vol. 8(12), pages 1-13, December.
    4. Jing Zhao & Wei Liu & Bin Li & Xiangdong Liu & Congzhe Gao & Zhongxin Gu, 2015. "Investigation of Electromagnetic, Thermal and Mechanical Characteristics of a Five-Phase Dual-Rotor Permanent-Magnet Synchronous Motor," Energies, MDPI, vol. 8(9), pages 1-31, September.
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    Cited by:

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    2. Adrian Mlot & Juan González, 2020. "Performance Assessment of Axial-Flux Permanent Magnet Motors from a Manual Manufacturing Process," Energies, MDPI, vol. 13(8), pages 1-15, April.
    3. Zia Ullah & Jin Hur, 2018. "A Comprehensive Review of Winding Short Circuit Fault and Irreversible Demagnetization Fault Detection in PM Type Machines," Energies, MDPI, vol. 11(12), pages 1-27, November.
    4. Farya Golesorkhie & Fuwen Yang & Ljubo Vlacic & Geoff Tansley, 2020. "Field Oriented Control-Based Reduction of the Vibration and Power Consumption of a Blood Pump," Energies, MDPI, vol. 13(15), pages 1-18, July.
    5. Francisco Juarez-Leon & Nathan Emery & Berker Bilgin, 2023. "Acoustic Noise Reduction in an 8/6 Switched Reluctance Machine Using Structural Design," Energies, MDPI, vol. 16(7), pages 1-24, April.
    6. Fangwu Ma & Hongbin Yin & Lulu Wei & Liang Wu & Cansong Gu, 2018. "Analytical Calculation of Armature Reaction Field of the Interior Permanent Magnet Motor," Energies, MDPI, vol. 11(9), pages 1-12, September.
    7. Emil Król & Marcin Maciążek & Tomasz Wolnik, 2023. "Review of Vibroacoustic Analysis Methods of Electric Vehicles Motors," Energies, MDPI, vol. 16(4), pages 1-29, February.
    8. Wenying Jiang & Qiqi Guo & Zhen Zhang, 2019. "Study of Excitation Characteristics of Traction Machine/Drive Systems," Energies, MDPI, vol. 13(1), pages 1-17, December.

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