A Novel Adaptive Control Approach for Maximum Power-Point Tracking in Photovoltaic Systems

Author:

Qureshi Muhammad Ahmed1ORCID,Torelli Francesco2,Musumeci Salvatore1ORCID,Reatti Alberto3ORCID,Mazza Andrea1ORCID,Chicco Gianfranco1ORCID

Affiliation:

1. Dipartimento Energia “Galileo Ferraris”, Politecnico di Torino, 10129 Torino, Italy

2. Dipartimento Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, 70125 Bari, Italy

3. Dipartimento Ingegneria dell’Informazione, University of Florence, 50139 Firenze, Italy

Abstract

Maximum power-point tracking (MPPT) is applied to enable effective operation of photovoltaic (PV) systems under different external conditions. MPPT is based on a control system that aims at maintaining the PV system operation in the most effective conditions of maximum power output. This paper demonstrates the effective application of a novel adaptive control approach developed to be used in the field of power electronics. The application to MPPT is developed by using a non-inverted Buck-Boost converter applied to the PV system. The novel control methodology is based on the application of the Lyapunov stability concepts. The strength of this novel control technique is confirmed by the accurate comparison among the results obtained by using the proposed solution and some controllers proposed in the literature.

Publisher

MDPI AG

Subject

Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous),Building and Construction

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