电动车用永磁同步电机定子谐波优化控制  

Stator Harmonic Optimal Control of Permanent Magnet Synchronous Motor in Electric Vehicle

作　　者：王硕 王旭东[1] 金宁治[1] 刘宇博 谢瑞 WANG Shuo;WANG Xu-dong;JIN Ning-zhi;LIU Yu-bo;XIE Rui(School of Electrical and Electronic Engineering,Harbin University of Science and Technology,Harbin 150080,China)

机构地区：[1]哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨150080

出　　处：《哈尔滨理工大学学报》2018年第5期62-67,共6页Journal of Harbin University of Science and Technology

基　　金：国家自然科学基金(51507042);哈尔滨市科技创新人才研究专项资金(2016RAQXJ018)

摘　　要：针对电动车用永磁同步电机传统控制策略下电机定子含有高次谐波的问题,提出了通过反电势补偿来抑制电流畸变的改进控制方法。在传统电流转速双闭环控制框架的前提下,通过对高次谐波分量进行提取,加入高次谐波电压反馈环节,实现了对定子电流的优化,抑制了电机转矩脉动,提高电动汽车运行的平稳性。在Matlab/Simulink下进行仿真实验,通过分析高次谐波电流波形和转矩波形,证实显著抑制了电机定子电流中的高次谐波,验证该控制算法的有效性。For the problem of harmonics in the motor stator current under the traditional control strategy of the permanent magnet synchronous motor(PMSM),an improved control method of suppressing current distortion by voltage compensation is proposed.Under the premise of the traditional dual feedback control frame,the high-order harmonic component is extracted and the harmonic feedback is added to realize the optimization of the stator current,the torque ripple is restrained and the smoothness of electric vehicle running is improved.By analyzing the high harmonic current waveform and torque waveform under the Matlab/Simulink environment simulation experiment,confirmed that the method significantly inhibited the motor stator current harmonics and validate the effectiveness of the proposed control algorithm.

关 键 词：永磁同步电机 电压反馈 谐波优化 转矩脉动 

分 类 号：TM35[电气工程—电机]