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Improved Control Method for Voltage Regulation and Harmonic Mitigation Using Electric Spring

Author

Listed:
  • Mahdi Shademan

    (Department of Electrical Engineering, Iran University of Science and Technology, Tehran 16846-13114, Iran)

  • Alireza Jalilian

    (Department of Electrical Engineering, Iran University of Science and Technology, Tehran 16846-13114, Iran
    Centre of Excellence for Power System Automation and Operation (C.E.P.S.A.O), Iran University of Science and Technology, Tehran 16846-13114, Iran)

  • Mehdi Savaghebi

    (Electrical Engineering Section, Department of Mechanical and Electrical Engineering, University of Southern Denmark, DK-5230 Odense, Denmark)

Abstract

An electric spring (ES) with series connection to non-critical loads (NCLs) is mainly known as a smart load (SL) technology that can compensate undervoltages and overvoltages. In this paper, an improved control method is presented for the electric spring to regulate the effective value of the critical load (CL) voltage to the nominal value and to compensate the harmonics of the critical load voltage caused by the grid side. The electric spring’s performance for simultaneous voltage magnitude regulation and harmonic distortion compensation is investigated through simulation studies. The results are compared with those of a conventional control scheme. It has been demonstrated that the electric spring, using the improved control system, reduces the amplitude deviation and distortion of critical load voltage.

Suggested Citation

  • Mahdi Shademan & Alireza Jalilian & Mehdi Savaghebi, 2021. "Improved Control Method for Voltage Regulation and Harmonic Mitigation Using Electric Spring," Sustainability, MDPI, vol. 13(8), pages 1-16, April.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:8:p:4523-:d:538887
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    References listed on IDEAS

    as
    1. Affam, Azuka & Buswig, Yonis M. & Othman, Al-Khalid Bin Hj & Julai, Norhuzaimin Bin & Qays, Ohirul, 2021. "A review of multiple input DC-DC converter topologies linked with hybrid electric vehicles and renewable energy systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 135(C).
    2. Qingsong Wang & Fujin Deng & Ming Cheng & Giuseppe Buja, 2018. "The State of the Art of Topologies for Electric Springs," Energies, MDPI, vol. 11(7), pages 1-21, July.
    3. Yun Zou & Yinlong Hu & Sifan Cao, 2019. "Model Predictive Control of Electric Spring for Voltage Regulation and Harmonics Suppression," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-8, April.
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    Cited by:

    1. Po Li & Xiang Li & Jinghui Li & Yimin You & Zhongqing Sang, 2021. "A Real-Time Harmonic Extraction Approach for Distorted Grid," Mathematics, MDPI, vol. 9(18), pages 1-20, September.

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