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Research on the Torque and Back EMF Performance of a High Speed PMSM Used for Flywheel Energy Storage

Author

Listed:
  • Jing Zhao

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

  • Zhongxin Gu

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

  • Bin Li

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

  • Xiangdong Liu

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

  • Xiaobei Li

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

  • Zhen Chen

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

Abstract

Due to advantages such as high energy density, high power density, rapid charge and discharge, high cyclic-life, and environmentally friendly, flywheel energy storage systems (FESs) are widely used in various fields. However, the performance of FES systems depends on the performance of a high speed machine, therefore, the design and optimization of a high efficiency and high power density machine are very crucial to improve the performance of the whole FES system. In this paper, a high speed permanent-magnet synchronous machine (PMSM) is researched. Considering the requirement of low torque ripple in low speed and loss caused by back electromotive force (EMF) harmonics, the electromagnetic performance is improved from points of view of slot/pole matching, magnetic-pole embrace with the finite element method (FEM). Furthermore, the magnetic-pole eccentricity, the slot opening, the thickness of PM and air-gap length are also optimized with Taguchi method. The electromagnetic performance, such as torque ripple, cogging torque, average torque and back EMF wave are much improved after optimization. Finally, experiments are carried out to verify the calculated results.

Suggested Citation

  • Jing Zhao & Zhongxin Gu & Bin Li & Xiangdong Liu & Xiaobei Li & Zhen Chen, 2015. "Research on the Torque and Back EMF Performance of a High Speed PMSM Used for Flywheel Energy Storage," Energies, MDPI, vol. 8(4), pages 1-22, April.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:4:p:2867-2888:d:48189
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    References listed on IDEAS

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    1. Ching-Hui Chang & Nabendu Pal & Wooi Lim & Jyh-Jiuan Lin, 2010. "Comparing several population means: a parametric bootstrap method, and its comparison with usual ANOVA F test as well as ANOM," Computational Statistics, Springer, vol. 25(1), pages 71-95, March.
    2. Jingang Bai & Yong Liu & Yi Sui & Chengde Tong & Quanbin Zhao & Jiawei Zhang, 2014. "Investigation of the Cooling and Thermal-Measuring System of a Compound-Structure Permanent-Magnet Synchronous Machine," Energies, MDPI, vol. 7(3), pages 1-34, March.
    3. Chun-Yu Hsiao & Sheng-Nian Yeh & Jonq-Chin Hwang, 2011. "A Novel Cogging Torque Simulation Method for Permanent-Magnet Synchronous Machines," Energies, MDPI, vol. 4(12), pages 1-14, December.
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    Cited by:

    1. Chengming Zhang & Qingbo Guo & Liyi Li & Mingyi Wang & Tiecheng Wang, 2017. "System Efficiency Improvement for Electric Vehicles Adopting a Permanent Magnet Synchronous Motor Direct Drive System," Energies, MDPI, vol. 10(12), pages 1-27, December.
    2. Xuan Wu & Hui Wang & Shoudao Huang & Keyuan Huang & Li Wang, 2015. "Sensorless Speed Control with Initial Rotor Position Estimation for Surface Mounted Permanent Magnet Synchronous Motor Drive in Electric Vehicles," Energies, MDPI, vol. 8(10), pages 1-17, October.
    3. Shun Li & Xinxiu Zhou, 2018. "Sensorless Energy Conservation Control for Permanent Magnet Synchronous Motors Based on a Novel Hybrid Observer Applied in Coal Conveyer Systems," Energies, MDPI, vol. 11(10), pages 1-23, September.

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