Sinusoidal periodic carrier frequency modulation in reducing electromagnetic noise of permanent magnet synchronous motor

被引：21
作者：
Xu, Yongxiang [1 ]
Yuan, Qingbing [1 ]
Zou, Jinbin [1 ]
Yao, Yanmei [1 ]
Zhu, Guangqi [1 ]
机构：
[1] Harbin Inst Technol, Dept Elect Engn, Harbin 150006, Heilongjiang, Peoples R China
来源：
IET ELECTRIC POWER APPLICATIONS | 2013年 / 7卷 / 03期
关键词：
RANDOM PWM TECHNIQUE; ACOUSTIC-NOISE; POWER CONVERTERS; HARMONIC-SPECTRUM; EMI REDUCTION; VIBRATION; FILTERS; SCHEME; DRIVE;
D O I：
10.1049/iet-epa.2012.0206
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This study introduces a simple method to reduce the electromagnetic noise of permanent magnet synchronous motor (PMSM) fed by pulse-width modulation (PWM) inverter. The analysed relationship between PMSM electromagnetic noise and current harmonic shows that PMSM electromagnetic noise concentrating on integral multiples of switching frequency is produced by the concentrative current harmonic. To spread the current harmonic spectrum, sinusoidal periodic carrier frequency modulation (PCFM) is presented and discussed theoretically. Simulations and experiments of PMSM fed by PWM inverter are conducted to verify the effectiveness of sinusoidal PCFM in reducing PMSM current harmonic and electromagnetic noise. The most efficient sinusoidal PCFM strategy in alleviating PMSM current harmonic and electromagnetic noise is put forward based on the comparison about reductions of PMSM current harmonic and electromagnetic noise by sinusoidal PCFM with different modulation frequency ratios.
引用
收藏
页码：223 / 230
页数：8
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