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Based on the stator structure of an asynchronous motor with a rated power of 5kW for air conditioning outdoor unit compressors, this paper designs a synchronous reluctance motor with the same power. The torque quality of the motor is improved by optimizing the parameters of the rotor flux barrier. Compared with the original prototype, the synchronous reluctance motor proposed in this paper is more suitable for air conditioning compressors. Subsequently, the electromagnetic noise of the motor is verified through finite element simulation based on the noise standards of air conditioning outdoor unit compressors. The simulation results indicate that the electromagnetic noise of the motor meets the requirements of state standards. Finally, the variation laws of centrifugal stress and deformation of the motor rotor with speed are simulated, and the stress and deformation of the weakest part of the rotor flux barrier are verified to ensure the reliable operation of the motor.

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Multi-Physics Analysis of a Synchronous Reluctance Motor for Low-Noise Air Conditioning Compressor

  • 会议论文

  • 发表日期：

    2025年

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  • Haoran Lin,
  • Hairuo Hu,
  • Daofu Zhuang,
  • Ying Dai

摘要

Based on the stator structure of an asynchronous motor with a rated power of 5kW for air conditioning outdoor unit compressors, this paper designs a synchronous reluctance motor with the same power. The torque quality of the motor is improved by optimizing the parameters of the rotor flux barrier. Compared with the original prototype, the synchronous reluctance motor proposed in this paper is more suitable for air conditioning compressors. Subsequently, the electromagnetic noise of the motor is verified through finite element simulation based on the noise standards of air conditioning outdoor unit compressors. The simulation results indicate that the electromagnetic noise of the motor meets the requirements of state standards. Finally, the variation laws of centrifugal stress and deformation of the motor rotor with speed are simulated, and the stress and deformation of the weakest part of the rotor flux barrier are verified to ensure the reliable operation of the motor.