Exploració per autor "Hafez, Ahmed A. A."

Ara es mostren els items 1-3 de 3

    • Autonomous cascaded PV system 

      Hafez, Ahmed A. A.; Montesinos Miracle, Daniel; Sudrià Andreu, Antoni (2011-11-14)
      Article
      Accés restringit per política de l'editorial
      This paper proposes multi-level PV system; three PV generators each coupled to a buck cell. Each PV-generator-buckconverter channel is controlled such that maximum power is captured independently under different irradiation ...

    • Autonomous photovoltaic lighting system 

      Hafez, Ahmed A. A.; Montesinos Miracle, Daniel; Sudrià Andreu, Antoni (2012)
      Article
      Accés obert
      This paper introduces a comparison between the conventional and Photovoltaic (PV) lighting systems. A simple sizing procedure for a PV stand-alone system was advised. The paper also proposes a novel PV lighting system. The ...

    • Simple maximum power point controller for single-phase grid-connected PV system 

      Hafez, Ahmed A. A.; Montesinos Miracle, Daniel; Sudrià Andreu, Antoni (2010)
      Text en actes de congrés
      Accés obert
      This paper proposes a simple and efficient PI controller for single-phase grid-connected PV generator. The controller ensures the system operation at maximum power point (MPP) irrespective to atmospheric conditions. A ...