A Multilevel inverter for photovoltaic systems with fuzzy logic control / Cecati, Carlo in IEEE transactions on industrial electronics, Vol. 57 N° 12 (Décembre 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 12 (Décembre 2010) . - pp. 4115 - 4125 Titre : A Multilevel inverter for photovoltaic systems with fuzzy logic control Type de document : texte imprimé Auteurs : Cecati, Carlo, Auteur ; Ciancetta, Fabrizio, Auteur ; Siano, Pierluigi, Auteur Année de publication : 2011 Article en page(s) : pp. 4115 - 4125 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Field-programmable gate arrays (FPGAs) Fuzzy logic (FL) Multilevel converter topologies Photovoltaic (PV) systems Renewable energy Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Converters for photovoltaic (PV) systems usually consist of two stages: a dc/dc booster and a pulsewidth modulated (PWM) inverter. This cascade of converters presents efficiency issues, interactions between its stages, and problems with the maximum power point tracking. Therefore, only part of the produced electrical energy is utilized. In this paper, the authors propose a single-phase H-bridge multilevel converter for PV systems governed by a new integrated fuzzy logic controller (FLC)/modulator. The novelties of the proposed system are the use of a fully FLC (not requiring any optimal PWM switching-angle generator and proportional-integral controller) and the use of an H-bridge power-sharing algorithm. Most of the required signal processing is performed by a mixed-mode field-programmable gate array, resulting in a fully integrated System-on-Chip controller. The general architecture of the system and its main performance in a large spectrum of practical situations are presented and discussed. The proposed system offers improved performance over two-level inverters, particularly at low-medium power. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5422767 [article] A Multilevel inverter for photovoltaic systems with fuzzy logic control [texte imprimé] / Cecati, Carlo, Auteur ; Ciancetta, Fabrizio, Auteur ; Siano, Pierluigi, Auteur . - 2011 . - pp. 4115 - 4125. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 12 (Décembre 2010) . - pp. 4115 - 4125 Mots-clés : Field-programmable gate arrays (FPGAs) Fuzzy logic (FL) Multilevel converter topologies Photovoltaic (PV) systems Renewable energy Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Converters for photovoltaic (PV) systems usually consist of two stages: a dc/dc booster and a pulsewidth modulated (PWM) inverter. This cascade of converters presents efficiency issues, interactions between its stages, and problems with the maximum power point tracking. Therefore, only part of the produced electrical energy is utilized. In this paper, the authors propose a single-phase H-bridge multilevel converter for PV systems governed by a new integrated fuzzy logic controller (FLC)/modulator. The novelties of the proposed system are the use of a fully FLC (not requiring any optimal PWM switching-angle generator and proportional-integral controller) and the use of an H-bridge power-sharing algorithm. Most of the required signal processing is performed by a mixed-mode field-programmable gate array, resulting in a fully integrated System-on-Chip controller. The general architecture of the system and its main performance in a large spectrum of practical situations are presented and discussed. The proposed system offers improved performance over two-level inverters, particularly at low-medium power. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5422767

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