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Fuzzy-Based Fifteen-Level VSC for STATCOM Operations with Single DC-Link Voltage

Author

Listed:
  • Lakshminarayana Gadupudi

    (Department of EEE, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad 500090, Telangana, India)

  • Gudapati Sambasiva Rao

    (Department of EEE, R.V.R. & J.C. College of Engineering, Guntur 522019, Andhra Pradesh, India)

  • Rachakonda Venkata Lakshmi Narayana Divakar

    (Department of EEE, ANITS, Visakhapatnam 531162, Andhra Pradesh, India)

  • Hasmat Malik

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering, University Technology Malaysia (UTM), Johor Bahru 81310, Malaysia
    Department of Electrical Engineering, Graphic Era Deemed to be University, Dehradun 248002, Uttarakhand, India)

  • Faisal Alsaif

    (Department of Electrical Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia)

  • Sager Alsulamy

    (Energy & Climate Change Division, Sustainable Energy Research Group, Faculty of Engineering & Physical Sciences, University of Southampton, Southampton SO16 7QF, UK)

  • Taha Selim Ustun

    (Fukushima Renewable Energy Institute, AIST (FREA), National Institute of Advanced Industrial Science and Technology (AIST), Koriyama 9630298, Fukushima, Japan)

Abstract

A static synchronous compensator (STATCOM) is a powerful mechanism for balancing reactive power and uplift voltage stability in a transmission system. Nowadays, the desire to save energy by reducing losses is prioritized as an essential target instead of increasing the power generation for the sustainability of any nation’s growth plans. As a result, power-electronics-based converters are more significant for power savings in transmission systems. STATCOM based on voltage source converters (VSC) are operated to improve on stable performance conditions as well as to minimize the harmonic distortions in a power system. Hence, this paper explores low harmonic distortions of fifteen-level VSC structured STACOM using only one DC-link voltage to balance the reactive power and to manage the voltage profile in large power transmission systems. STATCOM consisting of H-bridge type VSCs and binary weighted transformers was utilized to maintain an AC system voltage at 132 kV, 50 Hz. The three stages of VSCs were operated with meticulous firing angles based on converter levels for controlling THD (total harmonic distortion) and providing system improvement. The proposed model of the fifteen-level H-bridge type voltage source converters with fuzzy logic decoupled control algorithm based STATCOM can be used for large power range applications with a small number of switches. This model attained stable operation of the system with a low harmonic deviation at any dynamical conditions. The simulation results using MATLAB showed that the system’s operation was enhanced, with a smoother response and improved steady state performance.

Suggested Citation

  • Lakshminarayana Gadupudi & Gudapati Sambasiva Rao & Rachakonda Venkata Lakshmi Narayana Divakar & Hasmat Malik & Faisal Alsaif & Sager Alsulamy & Taha Selim Ustun, 2023. "Fuzzy-Based Fifteen-Level VSC for STATCOM Operations with Single DC-Link Voltage," Sustainability, MDPI, vol. 15(7), pages 1-15, April.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:7:p:6188-:d:1115546
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    References listed on IDEAS

    as
    1. Damiano Lanzarotto & Florent Morel & Pierre-Baptiste Steckler & Konstantin Vershinin, 2022. "Rapid Evaluation Method for Modular Converter Topologies," Energies, MDPI, vol. 15(10), pages 1-20, May.
    2. In Wha Jeong & Tae Hyun Sung, 2021. "One-Cycle Control of Three-Phase Five-Level Diode-Clamped STATCOM," Energies, MDPI, vol. 14(7), pages 1-30, March.
    3. Arup Das & Subhojit Dawn & Sadhan Gope & Taha Selim Ustun, 2022. "A Strategy for System Risk Mitigation Using FACTS Devices in a Wind Incorporated Competitive Power System," Sustainability, MDPI, vol. 14(13), pages 1-21, July.
    4. Sanjay K. Chaudhary & Allan F. Cupertino & Remus Teodorescu & Jan R. Svensson, 2020. "Benchmarking of Modular Multilevel Converter Topologies for ES-STATCOM Realization," Energies, MDPI, vol. 13(13), pages 1-22, July.
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