Hybrid RPWM Technique Based on Modified SVPWM to Reduce the PWM Acoustic Noise

作者: Yingliang Huang , Yongxiang Xu , Wentao Zhang , Jibin Zou

DOI: 10.1109/TPEL.2018.2869980

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摘要: This paper proposed a novel hybrid random pulsewidth modulation (HRPWM) technique based on the modified space vector PWM for three-phase voltage source inverters to eliminate the PWM acoustic noise. Due to PWM technique and switching losses considerations, ear-piercing high-frequency noise from motor is common. The proposed HRPWM technique is able to remove the high-frequency unpleasant acoustic noise more effectively than the conventional RPWM with lower switching losses and shorter random …

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