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Universidad, Ciencia y Tecnología

versión impresa ISSN 1316-4821versión On-line ISSN 2542-3401

Resumen

BAETHGE, Erick; BERZOY, Alberto; GUZMAN, Víctor  y  GIMENEZ, María Isabel. New control system for maximum power point tracking in solar panels based on dc-dc converter predictive current control. uct [online]. 2011, vol.15, n.60, pp.151-160. ISSN 1316-4821.

To get maximum energy from a solar panel it is necessary to operate in the maximum power point where the product of generated photovoltage and extracted current is a maximum. In normal operation this point changes continuously, therefore a maximum power point tracking system is required. Solar panels present a nonlinear characteristic in the current-voltage graph, complicating the use of standard operating point tracking algorithms to find a maximum power point. If has been shown that the "perturb and observe" (P&O) algorithm is adequate to achieve this task. This work presents a Simulink Matlab simulation of the solar panel behavior under constant irradiation and typical temperatures. This simulation is used to prove that a maximum power point tracking control based on the P&O algorithm manipulating a predictive current control applied to a DC-DC converter is able to find and efficiently follow the maximum power point under panel irradiance and temperature variations.

Palabras clave : Photovoltaic Generation; Maximum Power Point Tracking; P & O Algorithm; DC-DC Converter.

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