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An Improved Sensorless Vector Control Method for IPMSM Drive with Small DC-Link Capacitors

Author

Listed:
  • Quan Yin

    (School of Automation, Huazhong University of Science and Technology, Wuhan 430000, China)

  • Haichun Li

    (School of Automation, Huazhong University of Science and Technology, Wuhan 430000, China)

  • Hui Luo

    (School of Automation, Huazhong University of Science and Technology, Wuhan 430000, China)

  • Qingyi Wang

    (School of Automation, China University of Geosciences, Wuhan 430000, China)

  • Chendong Xu

    (School of Automation, Huazhong University of Science and Technology, Wuhan 430000, China)

Abstract

In this paper, an improved sensorless vector control method for an interior permanent magnet synchronous motor (IPMSM) drive with small DC-link capacitors is proposed. First, a fast sliding-mode observer was applied, to enlarge the observer bandwidth. Then, an improved estimator based on a proportional integral resonant controller was designed for the estimate speed shaping, which means the actual speed can be tracked. This not only reduces the position estimate error, but also enhances the grid power factor and suppresses the input current harmonics. Simulation and experiments were conducted on a sensorless IPMSM drive system with a small film capacitor. The effectiveness of the proposed estimation method was verified by the simulation and experimental results. The estimated error was reduced and the grid current harmonics satisfy the requirements of EN61000-3-2.

Suggested Citation

  • Quan Yin & Haichun Li & Hui Luo & Qingyi Wang & Chendong Xu, 2020. "An Improved Sensorless Vector Control Method for IPMSM Drive with Small DC-Link Capacitors," Energies, MDPI, vol. 13(3), pages 1-26, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:3:p:580-:d:313315
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    Citations

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    Cited by:

    1. Ji-Chang Son & Young-Rok Kang & Dong-Kuk Lim, 2020. "Optimal Design of IPMSM for FCEV Using Novel Immune Algorithm Combined with Steepest Descent Method," Energies, MDPI, vol. 13(13), pages 1-15, July.
    2. Alessandro Benevieri & Lorenzo Carbone & Simone Cosso & Krishneel Kumar & Mario Marchesoni & Massimiliano Passalacqua & Luis Vaccaro, 2022. "Surface Permanent Magnet Synchronous Motors’ Passive Sensorless Control: A Review," Energies, MDPI, vol. 15(20), pages 1-26, October.

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