Flux-weakening strategy for improving PMSM dynamic performance

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机构
[1] [1,Zhou, Hua-Wei
[2] Chen, Long
[3] Liu, Guo-Hai
[4] Jiang, Yan
来源
Zhou, Hua-Wei | 1600年 / Editorial Department of Electric Machines and Control卷 / 18期
关键词
Anti-windup - Current error - Dynamic performance - Flux weakening control - Permanent Magnet Synchronous Motor;
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摘要
The dynamic performance of permanent magnet synchronous motors (PMSM) in flux-weakening operation is not good. To solve the problem, by analyzing the affection of dq-axis current regulators to the PMSM dynamic performance, a flux-weakening strategy for improving PMSM dynamic performance was proposed. The flux-weakening current was obtained by the interaction of q-axis current error integrator and voltage regulator. The simulation and experimental results demonstrate that the negative effect of q-axis current regulator is restrained, the PMSM dynamic performance in flux-weakening operation is improved, and the proposed strategy has the anti-windup and flux-weakening function.
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