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Contribution à l'étude de micro-réseaux autonomes alimentés par des sources photovoltaïques

Abstract : The actual electrical energy demand focuses on the development of stand-alone electrical systems which leads to the definition of new directives on performances and reliability of the electrical structures, especially those based on renewable energy. The main objective of this work concerns the development of new tools to improve the power quality and the stability of autonomous micro-grid systems. In this aim, new control algorithms based on the concept of differential flatness have been developed. The main advantage of the proposed technique is the possibility of implementing one loop controllers ensuring high dynamic properties. In the same time, it allows accurate prediction of the evolution of all state variables of the system. Concerning the stability of the autonomous micro-grid systems, we proposed tools to deal with instability phenomena either caused by the loss of load information and the resonance phenomenon of the passive filters
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https://hal.univ-lorraine.fr/tel-01749469
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Azeddine Houari. Contribution à l'étude de micro-réseaux autonomes alimentés par des sources photovoltaïques. Autre. Université de Lorraine, 2012. Français. ⟨NNT : 2012LORR0293⟩. ⟨tel-01749469⟩

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