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- Title
Current harmonic elimination for dual three‐phase PMSM based on a spatial analytical model of flux linkage.
- Authors
Zhong, Zaimin; Yin, Xing; Zhou, Shuihua; Zhen, Yongcheng
- Abstract
Compared with the conventional three‐phase motors, the dual three‐phase permanent magnet synchronous motors (PMSMs) have many advantages and have been widely used in various drive fields. However, one major disadvantage of these machines is that they are easy to generate large stator current harmonics, which makes it difficult to have an excellent performance in the drive field. To solve this problem, this study introduces a current harmonic elimination method based on a spatial analytical model of flux linkage. The study reconstructed the analytical model of flux linkage from finite element analysis. The analytical model can describe the spatial harmonics of flux linkage by considering the rotor position information. Based on the model, an active feedforward controller was proposed to eliminate current harmonics by actively injecting the corresponding voltage harmonics, the voltage harmonics are calculated by the model of flux linkage. The performance of the proposed method in eliminating current harmonics is verified by simulations and experiments.
- Publication
IET Electric Power Applications (Wiley-Blackwell), 2020, Vol 14, Issue 14, p2855
- ISSN
1751-8660
- Publication type
Article
- DOI
10.1049/iet-epa.2020.0019