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An n th Harmonic Current Suppression Method Based on the Impulse Current PWM Technique for a Multi-Phase Permanent Magnet Synchronous Motor Fed with a Current Source Inverter

Author

Listed:
  • Chao Chen

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China)

  • Zhen Chen

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China)

  • Congzhe Gao

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China)

  • Jing Zhao

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China)

  • Xiangdong Liu

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China)

  • Xiaoyong Sun

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China)

Abstract

Among the existing harmonic current suppression methods, it is difficult and complicated to suppress any n th harmonic current accurately for multi-phase permanent magnet synchronous motors (PMSMs). To solve this problem, this paper takes a five-phase dual-rotor PMSM fed with a current source inverter (CSI) as an example, and proposes an n th harmonic current suppression method based on the impulse current PWM algorithm. Firstly, the analysis is conducted and presented for the n th harmonic current in the m th harmonic space. Then, based on the Sliding Discrete Fourier Transformation (SDFT), a low-pass filter (LPF) named SDFT-LPF is designed. Additionally, the impulse current PWM technique for the five-phase CSI is realized. In this paper, the experiments have confirmed that the SDFT-LPF has good filter performance. Compared with the SVPWM, the impulse current PWM technique has the same DC-link current utilization rate, but it is easier to implement. Moreover, the proposed harmonic current control method can accurately control any n th harmonic current without changing the PWM technique, which has significantly reduced the complexity of the harmonic current control. Additionally, the proposed scheme is easy to implement and can be directly extended to the multiple harmonic current’s control.

Suggested Citation

  • Chao Chen & Zhen Chen & Congzhe Gao & Jing Zhao & Xiangdong Liu & Xiaoyong Sun, 2022. "An n th Harmonic Current Suppression Method Based on the Impulse Current PWM Technique for a Multi-Phase Permanent Magnet Synchronous Motor Fed with a Current Source Inverter," Energies, MDPI, vol. 15(12), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4394-:d:840467
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    References listed on IDEAS

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    1. Hamidreza Heidari & Anton Rassõlkin & Toomas Vaimann & Ants Kallaste & Asghar Taheri & Mohammad Hosein Holakooie & Anouar Belahcen, 2019. "A Novel Vector Control Strategy for a Six-Phase Induction Motor with Low Torque Ripples and Harmonic Currents," Energies, MDPI, vol. 12(6), pages 1-14, March.
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