Hybrid-Frequency Phase-Shift PWM Technique to Reduce DC-Side and AC-Side High Frequency Current Harmonics in PMSM Drives

被引:0
|
作者
Fu, Pengrui [1 ]
Zhang, Chengming [1 ]
Li, Liyi [1 ]
Zhang, Chaoyu [1 ]
机构
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Peoples R China
基金
中国国家自然科学基金;
关键词
DC-link capacitor; inverter input current harmonics; permanent magnet synchronous motor; pulsewidth modulation (PWM); total harmonic distortion (THD); MODULATION TECHNIQUES; VOLTAGE; STRATEGY;
D O I
10.1109/TPEL.2024.3394489
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
The presence of current harmonics on both ac-side and dc-side is undesired for voltage source inverters feeding permanent magnet synchronous motor systems. This article presents a hybrid-frequency phase-shift pulse width modulation (HFPSPWM) method to mitigate the high frequency current harmonics on both sides. The mechanism of reducing the root mean square of dc-side current harmonics by phase-shift modulation is analyzed. By introducing individual switching frequency for each phase and addressing an optimization problem, the ac-side current distortion is reduced with minimal impact on the dc-side performance. Simulations and experiments validate that the proposed HFPSPWM can alleviate the total harmonic distortion of phase currents, as well as minimize the dc-side current harmonics.
引用
收藏
页码:9344 / 9354
页数:11
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