Current Harmonic Suppression in the Flux-Weakening Control of Surface Permanent Magnet Synchronous Motors Using Resonant Controllers
Wang Hechao1, Xia Changliang1, 2, Yan Yan1, Shi Tingna1
1. Tianjin University Tianjin 300072 China; 2. Tianjin Key Laboratory of Advanced Technology of Electrical Engineering and Energy Tianjin Polytechnic University Tianjin 300387 China
Abstract:This paper presents a PIR(proportional integral resonate) current control method for SPMSM(surface permanent magnet synchronous motors) in overmodulation range. The proposed method can effectively reduce THD(total harmonic distortion) of current and the torque ripple in the flux-weakening overmodulation region. In this paper, the mechanism of the disturbance rejection by the conventional method is analyzed, and a novel PIR controlled method is proposed to improve the ability of the system to reject period disturbance signals. Numerical simulations and experiments with a 7-kW prototype are carried out. The results show that the proposed method can effectively reduce harmonic current and torque ripple.
王贺超, 夏长亮, 阎彦, 史婷娜. 基于谐振控制的表贴式永磁同步电机弱磁区电流谐波抑制[J]. 电工技术学报, 2014, 29(9): 83-91.
Wang Hechao, Xia Changliang, Yan Yan, Shi Tingna. Current Harmonic Suppression in the Flux-Weakening Control of Surface Permanent Magnet Synchronous Motors Using Resonant Controllers. Transactions of China Electrotechnical Society, 2014, 29(9): 83-91.
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