微特电机 ›› 2022, Vol. 50 ›› Issue (4): 39-45.

• 驱动控制 • 上一篇    下一篇

基于改进双准谐振控制器的PMSM电流谐波抑制

朱元1, 杨刚2, 肖明康1, 陆科1   

  1. 1.同济大学 汽车学院,上海 201800;
    2.同济大学 电子与信息工程学院,上海 201800
  • 收稿日期:2021-12-13 出版日期:2022-04-28 发布日期:2022-05-06
  • 作者简介:朱元(1976—),男,副教授,博士生导师,研究方向为高速电机控制,嵌入式系统。
  • 基金资助:
    国家重点研发计划项目(2016YFB0100804)

Current Harmonic Suppression of PMSM Based on Improved Double Quasi-Resonant Controller

ZHU Yuan1, YANG Gang2, XIAO Mingkang1, LU Ke1   

  1. 1. School of Automotive Studies, Tongji University,Shanghai 201800, China;
    2. School of Electronic and Information Engineering, Tongji University,Shanghai 201800, China
  • Received:2021-12-13 Online:2022-04-28 Published:2022-05-06

摘要: 针对电机中由谐波引起的定转子过热问题,提出了一种基于改进双准谐振控制器的永磁同步电机电流谐波抑制方法。该方法从理想的谐振控制器出发,针对高频处相位裕度不足以及离散化处理后谐振频率偏移等问题,进行改进和修正,使其在离散化以后仍能在高频处保持足够的稳定性,具有与连续状态下接近的系统性能。采用两个改进准谐振控制器并联来对不同阶次的谐波进行抑制,得到较好的效果。通过对改进双准谐振控制器进行仿真和实验,证明了该方法的正确性和有效性。

关键词: 永磁同步电机, 准谐振控制器, 谐波抑制, 离散化, 相角补偿, 偏移修正

Abstract: Aiming at solving the problems of overheat, a current harmonic suppression method of PMSM based on improved double quasi-resonant controller was proposed. The method started with the ideal resonant controller. Aiming at the problems of insufficient phase margin at high frequency and resonant frequency offset after discretization, the formulas for improvement and correction were proposed so that the controller was still stable at high frequency after discretization. The system performance after discretization was close to that of the continuous state. In order to suppress the harmonics of different order, two improved quasi resonant controllers were used in parallel. The harmonic could be suppressed. The results of simulation and experiments for improved double quasi-resonant controller show that the proposed method is correct and effective.

Key words: permanent magnet synchronous motor(PMSM), quasi-resonant controller, harmonic suppression, discretization, phase angle compensation, offset correction

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