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Review of High-frequency PWM Acoustic Noise Suppression Methods for PMSMs
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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.
Permanent magnet synchronous motor(PMSM)high-frequency acoustic noisehigh-frequency current harmonics
Wentao Zhang、Haiyang Gao、Yongxiang Xu、Jibin Zou
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School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150000,China
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