MPPT for Photovoltaic Modules via Newton-Like Extremum Seeking Control

Héctor Zazo, Esteban Del Castillo, Jean François Reynaud and Ramon Leyva
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Héctor Zazo: Department of Electronic, Electrical and Automatic Control Engineering, University Rovira i Virgili, Avenue Paisos Catalans, Tarragona 43007, Spain
Esteban Del Castillo: Department of Electronic, Electrical and Automatic Control Engineering, University Rovira i Virgili, Avenue Paisos Catalans, Tarragona 43007, Spain
Jean François Reynaud: Laboratory for Analysis and Architecture of Systems, CNRS, 7, Avenue du Colonel Roche, Toulouse Cedex 4 31077, France
Ramon Leyva: Department of Electronic, Electrical and Automatic Control Engineering, University Rovira i Virgili, Avenue Paisos Catalans, Tarragona 43007, Spain

Energies, 2012, vol. 5, issue 8, 1-15

Abstract: The paper adapts the Newton-like Extremum-Seeking Control technique to extract the maximum power from photovoltaic panels. This technique uses the gradient and Hessian of the panel characteristic in order to approximate the operating point to its optimum. The paper describes in detail the gradient and Hessian estimations carried out by means of sinusoidal dithering signals. Furthermore, we compare the proposed technique with the common Extremum Seeking Control that only uses the gradient. The comparison is done by means of PSIM simulations and it shows the different transient behaviors and the faster response of the Newton-like Extremum-Seeking Control solution.

Keywords: photovoltaics; Maximum Power Point Tracking; Extremum Seeking Control; Newton method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2012
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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