Harmonic Current Compensation of PMSM Based on Disturbance Observer and Robustness Analysis

被引：0
|
作者：
Zhou, Peng [1 ]
Xu, Haiping [1 ]
Guan, Tao [1 ]
Liu, Wei [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Power Elect & Elect Drive, Inst Elect Engn, Beijing, Peoples R China
来源：
PROCEEDINGS OF 2019 IEEE 3RD INTERNATIONAL ELECTRICAL AND ENERGY CONFERENCE (CIEEC) | 2019年
关键词：
permanent magnet synchronous motor; harmonic current; disturbance observer; robustness; TORQUE-RIPPLE; MOTOR-DRIVES; MINIMIZATION; SUPPRESSION;
D O I：
10.1109/CIEEC47146.2019.CIEEC-2019459
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Due to the influences of rotor flux harmonics and nonlinear characteristics of the inverter, high-order harmonic components are contained in the stator current, which results the torque ripples. This disadvantage limits the application of proportional integral controller in synchronous coordinate system in high performance drive system. To solve the problem, firstly, this paper models and analyzes the disturbance in PMSM. The results show that the performance of the motor is mainly affected by the periodic high-order harmonic current. Secondly, a disturbance observer based on band pass filter is designed to estimate the periodic disturbance in the system, and the harmonic current is compensated by internal feedback. Then, design principle of the observer parameter is given. Finally, the simulation model is built. The results verify the correctness, effectiveness and robustness of the proposed method.
引用
收藏
页码：1258 / 1263
页数：6
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