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过刊浏览>2021年第48卷第9期 >2021,48(9):36-42. DOI:10.12177/emca.2021.091
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永磁同步电机注入谐波电流减小振动噪声的设计研究
Design and Research on Reducing Vibration Noise by Injecting Harmonic Current into Permanent Magnet Synchronous Motor
发布日期：2021-09-26
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[摘要]
永磁同步电机(PMSM)及其逆变器、控制器属于装备动力系统关重件，其振动噪声指标对装备质量目标的实现有较大影响。由于极槽数配合、气隙磁密正弦度不佳等因素会使其绕组电流中包含5、7次等谐波，从而导致电机产生谐波转矩脉动，并使电机产生振动和噪声。为了减小PMSM在运转过程中的振动和噪声，探讨一种新颖的谐波抑制策略，即在PMSM系统的相电流中注入谐波电流产生谐波转矩，从而抵消已有的低次谐波转矩脉动。通过仿真及试验验证了该策略的有效性。
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[Abstract]
Permanent magnet synchronous motor (PMSM) and the inverters and controllers are important parts of the platform’s power system, and the vibration and noise indicators have a great impact on the realization of the platform’s quality goals. Due to factors such as the non-ideal pole-slot combination and the poor sinusoidal degree of the air gap flux density, the winding current will contain the 5th and 7th harmonics, which will cause the motor to produce harmonic torque pulsation as well as vibration and noise. In order to reduce the vibration and noise of PMSM during the operation, a novel harmonic suppression strategy is discussed, in which the harmonic current is injected into the phase current of the PMSM system to generate harmonic torque, thereby canceling the existing low-order harmonic torque ripple. The effectiveness of this strategy is verified by simulation and experiment.
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许龙飞,马艳秋,胡利民.永磁同步电机注入谐波电流减小振动噪声的设计研究[J].电机与控制应用,2021,48(9):36.
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收稿日期: 2021-05-21
收到修改稿日期: 2021-08-21
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在线发布日期: 2021-09-26
出版日期: 2021-09-10