中国电机工程学报Issue(3)：423-430,8.DOI:10.13334/j.0258-8013.pcsee.2014.03.013
基于谐振调节器的永磁同步电机电流谐波抑制方法
A Permanent Magnet Synchronous Motor Current Suppression Method Based on Resonant Controllers
摘要
Abstract
When permanent magnet synchronous motor (PMSM) is controlled by field oriented control method, dq-axes current will contain harmonics due to non-ideal factors including slot effect of the motor, dead-time effect of the inverter, etc. To suppress the current harmonics, the resonant controllers are used in this paper by adding to the current control loop. The gain of resonant controller at the given resonant frequency is infinite, so it can suppress the harmonic totally at this frequency, however, when the input happens to be a step signal, the overshoot will occur in the current response. To eliminate the overshoot, and also to improve the dynamic response of the current, a command feed-forward compensation method is used in this paper, meanwhile the effects of the digital control delay are considered. Current response without overshoot is achieved with fast current response. To demonstrate the method proposed in this paper, simulation study is done, experiments are also finished on a built 1.25 kW PMSM platform, the effectiveness of the proposed method including the suppression of current harmonics and the improvement of the dynamic response is verified.关键词
永磁同步电机/电流谐波抑制/谐振调节器/前馈控制Key words
permanent magnet synchronous motor (PMSM)/current harmonic suppression/resonant controller/feed-forward compensation分类
信息技术与安全科学引用本文复制引用
李毅拓,陆海峰,瞿文龙,盛爽..基于谐振调节器的永磁同步电机电流谐波抑制方法[J].中国电机工程学报,2014,(3):423-430,8.基金项目
国家自然科学基金项目(51277102)。Project Supported by the National Natural Science Foundation of China (51277102) （51277102）
