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Open Access

Review of High-frequency PWM Acoustic Noise Suppression Methods for PMSMs

Wentao ZhangHaiyang GaoYongxiang Xu( )Jibin Zou
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150000, China
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Graphical Abstract

Permanent magnet synchronous motors (PMSMs) driven by voltage source inverters (VSIs) with pulse width modulation (PWM) are widely used. Given the impact of acoustic noise on the environment and human ears, the comfort level of the high-frequency vibration noise emitted by PMSMs has become an important factor. This study introduces the current mainstream high-frequency vibration noise suppression strategies for PMSMs by reducing the high-frequency current harmonics of stator windings, including spread spectrum technology, vector position exchange technology, and interleaved parallel technology. Furthermore, this study analyzed and compared the advantages and disadvantages of various suppression strategies.

Abstract

Permanent magnet synchronous motors (PMSMs) driven by voltage source inverters (VSIs) with pulse width modulation (PWM) are widely used. Given the impact of acoustic noise on the environment and human ears, the comfort level of the high-frequency vibration noise emitted by PMSMs has become an important factor. This study introduces the current mainstream high-frequency vibration noise suppression strategies for PMSMs by reducing the high-frequency current harmonics of stator windings, including spread spectrum technology, vector position exchange technology, and interleaved parallel technology. Furthermore, this study analyzed and compared the advantages and disadvantages of various suppression strategies.

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Chinese Journal of Electrical Engineering
Pages 94-109
Cite this article:
Zhang W, Gao H, Xu Y, et al. Review of High-frequency PWM Acoustic Noise Suppression Methods for PMSMs. Chinese Journal of Electrical Engineering, 2024, 10(3): 94-109. https://doi.org/10.23919/CJEE.2024.000078

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Received: 27 November 2023
Revised: 14 January 2024
Accepted: 15 March 2024
Published: 13 June 2024
© 2024 China Machinery Industry Information Institute
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