High-speed Maglev Harmonic Current Suppression Strategy Based on Feedforward Compensation

被引：3
|
作者：
Cao, Xueqian [1 ,2 ]
Ge, Qiongxuan [1 ]
Wang, Ke [1 ]
Wang, Qi [1 ,2 ]
Zheng, Yanxi [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Elect Engn, Key Lab Power Elect & Elect Drive, Beijing, Peoples R China
[2] Univ Chinese Acad Sci, Beijing, Peoples R China
来源：
2021 24TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2021) | 2021年
基金：
国家重点研发计划;
关键词：
feedforward; harmonic suppression; high-speed maglev train; double feed;
D O I：
10.23919/ICEMS52562.2021.9634312
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：
In order to solve the problem of high harmonic content of phase current during operation of high-speed maglev train, a harmonic suppression strategy based on voltage feedforward compensation is proposed. The fifth and seventh harmonic currents with the highest harmonic content are detected by transforming the coordinates to the fifth or seventh rotating coordinate system and low-pass filtering the current. A harmonic mathematical model of the long-stator linear motor of the high-speed maglev train under double feeding mode (DF) is established, and on the basis of the model, the feedforward voltage is calculated as the harmonic compensation amount to complete the suppression of current harmonics. The simulation results show that the method based on the harmonic voltage feedforward compensation can effectively suppress the content of the harmonic current of the motor, and the strategy is practical and easy to implement.
引用
收藏
页码：1849 / 1853
页数：5
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