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Acoustic Noise Reduction in an 8/6 Switched Reluctance Machine Using Structural Design

Author

Listed:
  • Francisco Juarez-Leon

    (McMaster Automotive Resource Centre (MARC), McMaster University, Hamilton, ON L8S 4L8, Canada)

  • Nathan Emery

    (McMaster Automotive Resource Centre (MARC), McMaster University, Hamilton, ON L8S 4L8, Canada)

  • Berker Bilgin

    (McMaster Automotive Resource Centre (MARC), McMaster University, Hamilton, ON L8S 4L8, Canada)

Abstract

Today, switched reluctance motors (SRMs) represent a promising technology for the long-term sustainability of electrified transportation, mainly due to their simpler structure, lower production cost, and robust configuration compared to other motor technologies. Notwithstanding, high acoustic noise and torque ripple are two performance imperfections that have prevented the widespread implementation of SRMs. This paper presents different structural design techniques to reduce the acoustic noise of an 8/6 SRM, while maintaining the electromagnetic performance of the machine. For each technique, a corresponding multiphysics FEA analysis of the motor’s performance is presented. The accuracy of the multiphysics model is confirmed experimentally using acoustic noise measurements obtained from a four-phase 8/6 SRM. Then, several structural techniques have been investigated on the 8/6 SRM represented in two main categories: stator-housing modifications and rotor modifications. The best design strategies are then combined to improve the acoustic noise level of the 8/6 SRM while maintaining its performance.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:7:p:3282-:d:1117310
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    References listed on IDEAS

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    1. 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.
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    Cited by:

    1. Guilu Min & Yanwu Xu, 2023. "Output Power Capacity Improvement Based on Three-Phase Current Balance Control for the Doubly Salient Electromagnetic Generator System," Energies, MDPI, vol. 16(11), pages 1-18, May.

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