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Improved Performance of Low-Frequency Harmonic Current Suppression Based on Hybrid Active Power Filter

Author

Listed:
  • Xianshun Shen

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China)

  • Jun Tao

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China)

  • Yanan Wu

    (Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China)

  • Tianbai Deng

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China)

  • Qianlong Zhu

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China)

  • Feixiang Peng

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China)

Abstract

The hybrid active power filter (HAPF) can effectively suppress the 75–125 Hz low-frequency harmonic current generated by the EAST poloidal field power supply. However, the low-frequency harmonic current suppression performance of HAPF is greatly affected by its control parameters when the circuit parameters are determined. In this paper, the state–space equation of the HAPF system is established, and the relationship between the eigenvalues of the state–space matrix and the HAPF control parameters is analyzed using the Lyapunov method. Based on the variation law of the eigenvalues, by optimizing the control parameters of the HAPF system, the low-frequency harmonic current suppression performance of HAPF is improved by 41.9%.

Suggested Citation

  • Xianshun Shen & Jun Tao & Yanan Wu & Tianbai Deng & Qianlong Zhu & Feixiang Peng, 2024. "Improved Performance of Low-Frequency Harmonic Current Suppression Based on Hybrid Active Power Filter," Energies, MDPI, vol. 17(15), pages 1-17, July.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:15:p:3740-:d:1445233
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