Control of an autonomous pv system using the backstepping mppt controller under real climatic conditions in northern morocco

HANANE YATIMI; YOUNESS OUBERRI; RIM MARAH; ELHASSAN AROUDAM

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Control of an autonomous pv system using the backstepping mppt controller under real climatic conditions in northern morocco

Author(s)

HANANE YATIMI Modeling and Simulation of Mechanical Systems Team, Department of Physics, Faculty of Sciences, Abdelmalek Essaadi University, Tetouan, Morocco; Systems,Control & Decision Laboratory, Ensit Engineering School, Tangier, Morocco

YOUNESS OUBERRI Modeling and Simulation of Mechanical Systems Team, Department of Physics, Faculty of Sciences, Abdelmalek Essaadi University, Tetouan, Morocco

RIM MARAH Systems, Control & Decision Laboratory, Ensit Engineering School, Tangier, Morocco; Faculty of Sciences, Abdelmalek Essaadi University, Tetouan, Morocco

ELHASSAN AROUDAM 4Modeling and Simulation of Mechanical Systems Team, Department of Physics, Faculty of Sciences, Abdelmalek Essaadi University, Tetouan, Morocco

Abstract

Maximum power point tracking (MPPT) methods are widely used with PV solar systems to maximize power extraction under variants whether conditions. On another hand the system stability around the maximum power point depends on the robustness of the used method for better load charging conditions. This paper presents a non-linear backstepping controller, based on the Lyapunov function, and applied to an autonomous PV system as a MPPT controller, to extract its maximum power, under simultaneous changes in solar radiation and temperature. A DC-DC boost converter is used as a bridge between the PV module and the load. To validate the robustness of the proposed backstepping controller, the system outcomes under variant meteorological conditions using both the backstepping controller and the wellknown incremental conductance method are compared. The results based on analyzing and interpreting the power, voltage and current curves and system behavior, reveal that by using the backstepping controller, the asymptotic stability of the system is smoothly guaranteed with practically no oscillation around the maximum power point and far exceeds the incremental conductance performance in terms of speed and accuracy.

Publication Details

Page(s) 2872-2888

DOI DOI not available

Published Journal: Journal of Theoretical and Applied Information Technology, Volume: 98, Issue: 14, Year: 2020

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Keywords

Backstepping Controller (BSC), Boost converter, Photovoltaic (PV), Recursive Structure, Maximum Power Point Tracking (MPPT)

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