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Harmonics Compensation by Using a Multi-Modular H-Bridge-Based Multilevel Converter

Author

Listed:
  • Raul Gregor

    (Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay)

  • Julio Pacher

    (Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay)

  • Alejandro Espinoza

    (Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay)

  • Alfredo Renault

    (Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay)

  • Leonardo Comparatore

    (Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay)

  • Magno Ayala

    (Laboratory of Power and Control Systems (LSPyC), Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay)

Abstract

This paper presents an active power filter based on a seven-level cascade H-bridge where the main contribution is a control strategy that combines model-based predictive control, the voltage vectors of the converter output levels, the phase shift PWM technique, and suboptimal DC-link voltage control. The proposed scheme greatly simplified the overall control system, making it well suited to compensate the current harmonics distortion at the grid side, generated by nonlinear loads connected to the point of common coupling. In addition, the proposed method achieved a balancing of the capacitor voltages of the seven-level cascade H-bridge converter by using the minimum DC-link voltage sensors. This feature significantly reduced the control system complexity and provided a low computational burden. Experimental results confirmed the feasibility and effectiveness of the proposed controller.

Suggested Citation

  • Raul Gregor & Julio Pacher & Alejandro Espinoza & Alfredo Renault & Leonardo Comparatore & Magno Ayala, 2021. "Harmonics Compensation by Using a Multi-Modular H-Bridge-Based Multilevel Converter," Energies, MDPI, vol. 14(15), pages 1-16, August.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4698-:d:607404
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    References listed on IDEAS

    as
    1. Hanying Gao & Pengfei Zhang & Xu Liu & Shuai Feng & Junjie Ma & Ran Li, 2019. "Seven-Level Active Power Filter Based on a Novel H-Bridge Power Topology Structure," Energies, MDPI, vol. 12(15), pages 1-16, August.
    2. Yu Wang & Yuewu Wang & Si-Zhe Chen & Guidong Zhang & Yun Zhang, 2018. "A Simplified Minimum DC-Link Voltage Control Strategy for Shunt Active Power Filters," Energies, MDPI, vol. 11(9), pages 1-14, September.
    3. Sergio Toledo & Edgar Maqueda & Marco Rivera & Raúl Gregor & Pat Wheeler & Carlos Romero, 2020. "Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems," Energies, MDPI, vol. 13(10), pages 1-13, May.
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    Citations

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    Cited by:

    1. Dawid Buła & Marcin Zygmanowski, 2022. "Control Strategies Applied to Active Power Filters," Energies, MDPI, vol. 15(7), pages 1-3, March.
    2. Raúl Gregor & Julio Pacher & Alfredo Renault & Leonardo Comparatore & Jorge Rodas, 2022. "Model Predictive Control of a Modular 7-Level Converter Based on SiC-MOSFET Devices—An Experimental Assessment," Energies, MDPI, vol. 15(14), pages 1-11, July.
    3. Rodolfo Araneo & Salvatore Celozzi & Stefano Lauria & Erika Stracqualursi & Gianfranco Di Lorenzo & Marco Graziani, 2022. "Recent Trends in Power Systems Modeling and Analysis," Energies, MDPI, vol. 15(23), pages 1-7, December.

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