VOLTAGE SENSORLESS CONTROL OF FIVE-LEVEL PACKED U-CELL INVERTER BASED ON LYAPUNOV APPROACH FOR GRID-CONNECTED PHOTOVOLTAIC SYSTEM

Authors

  • BOUTHEYNA HADMER LSPIE Laboratory, Faculty of Technology, University of Batna 2, Algeria. Author
  • SAID DRID Higher National school of Renewable Energy, Environment and Sustainable Development, Constantine Road, Fesdis, Batna, 05078, Algeria Author https://orcid.org/0000-0001-8289-7103
  • ABDALLAH KOUZOU LAADI Laboratory, Faculty of Science and Technology, Djelfa University, Algeria Author https://orcid.org/0000-0001-6198-4347
  • LARBI CHRIFI-ALAOUI Laboratoire LTI, Université de Picardie Jules Verne, GEII, IUT de l’Aisne, 02880 Cuffies, France Author https://orcid.org/0000-0002-8302-8409

DOI:

https://doi.org/10.59277/RRST-EE.2024.2.3

Keywords:

Packed U-cell, Multilevel converter, Lyapunov control theory

Abstract

This paper deals with the nonlinear control of a five-level packed U-Cell (PUC5) inverter used in a grid-on photovoltaic (PV) system. The sensorless modulation strategy is adopted to control the switching of the six power switches. This topology generates a five-level output voltage with fewer active and passive components than traditional multilevel inverters. A nonlinear controller was designed to control the grid current using the Lyapunov theorem to ensure the asymptotic stability of the overall system. The proposed control scheme addresses two key challenges: minimizing the injected grid current's total harmonic distortion (THD) while balancing the capacitor voltage at their reference under various operating conditions. The efficiency of the proposed approach was comprehensively evaluated using theoretical analysis, mathematical modeling, and simulation results obtained using MATLAB/Simulink software.

Author Biography

  • SAID DRID, Higher National school of Renewable Energy, Environment and Sustainable Development, Constantine Road, Fesdis, Batna, 05078, Algeria

    Said Drid was born in Batna, Algeria, in 1969. He received the B.Sc., M.Sc., and Ph.D. degrees in electrical engineering from the University of Batna, Batna, in 1994, 2000, and 2005, respectively. 
    From 2002 to 2022, he was a full Professor at the Electrical Engineering Institute, University of Batna 2. He is the Head of the Energy Saving and Renewable Energy Team, Research Laboratory of Electromagnetic Induction and Propulsion Systems, University of Batna 2. He was a head of electrical engineering departement at university of Batna 2. 
    He spent one months as a Visiting professor at Picardie Jules Verne University, France. 2015, 2017 and 2021, respectively.
    Since 2023, He is full Professor at Higher National school of Renewable Energy, Environment and Sustainable Development, Batna, Algeria
    His research interests include electric machines and drives, power electronics, renewable energy and smart grid. He is also a reviewer for some international prestigious journals (IET, IEEE, etc.).
    Prof. Drid is a Senior Member of the IEEE and affiliate Member of the IFAC. He is a Member of IEEE Algeria section nomination committee. He is the Chair of the Power and Energy chapter, IEEE Algeria section. He was IEEE Algeria section Treasurer. He serves as an Associate Editor for some international journals,

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Published

07.07.2024

Issue

Vol. 69 No. 2 (2024): RRST-EE

Section

Électrotechnique et électroénergétique | Electrical and Power Engineering

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Copyright (c) 2024 REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE

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How to Cite

VOLTAGE SENSORLESS CONTROL OF FIVE-LEVEL PACKED U-CELL INVERTER BASED ON LYAPUNOV APPROACH FOR GRID-CONNECTED PHOTOVOLTAIC SYSTEM. (2024). REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE, 69(2), 135-140. https://doi.org/10.59277/RRST-EE.2024.2.3