On-line optimization of the P&O MPPT method by means of the system identification

Patrizio Manganiello, Mattia Ricco, Eric Monmasson, Giovanni Petrone, Giovanni Spagnuolo

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

8 Citations (Scopus)

Abstract

One of the main functions any photovoltaic system is equipped with is the maximum power point tracking. The perturb and observe technique is one of the mainly used algorithms for tracking the optimal operating point of the photovoltaic source. Its performances depend on the values of the two design parameters, that are the amplitude and the frequency of the perturbations it applies for identifying the position of the maximum power point. In this paper, two methods for an on-line optimization of the perturbation period are presented. They are based on the identification of the dc/dc converter, that controls the photovoltaic source, by means of its impulse and frequency response, both evaluated by using the cross-correlation method. Such methods, as well as the tracking algorithm, are effectively implemented by using a Field Programmable Gate Array. The feasibility of the proposed methods has been confirmed by Matlab simulations.
Original languageEnglish
Title of host publicationProceedings of 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013
Number of pages6
PublisherIEEE Press
Publication dateNov 2013
Pages1786-1791
ISBN (Electronic)978-1-4799-0224-8
DOIs
Publication statusPublished - Nov 2013
Externally publishedYes
Event39th Annual Conference of the IEEE Industrial Electronics Society - Wien, Austria
Duration: 10 Nov 201313 Nov 2013

Conference

Conference39th Annual Conference of the IEEE Industrial Electronics Society
CountryAustria
CityWien
Period10/11/201313/11/2013

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