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Control and supervision of a photovoltaic umping station based on multicelle inverter topologies / Said Boudjana

Public ISBD Titre : Control and supervision of a photovoltaic umping station based on multicelle inverter topologies Type de document : texte imprimé Auteurs : Said Boudjana, Auteur ; Mouloud Deneai, Directeur de thèse ; Bali, Noureddine, Directeur de thèse ; Benmansour, Khelifa, Directeur de thèse Editeur : [S.l.] : [s.n.] Année de publication : 2021 Importance : 118 f.,1 fichier PDF (9,8 Mo) Présentation : ill. Format : 30 cm Note générale : Mode d'accès : accès au texte intégral par intranet. Thèse de Doctorat : Automatique : Alger, École Nationale Polytechnique : 2021 Bibliogr. 101 - 113 . - Appendices [4] f Langues : Anglais (eng) Mots-clés : Maximum  power  point  tracking  (MPPT) DC-DC  boost  converter Loop-Shaping  controler Multicell  inverter Hybrid  system Sliding  mode  control Three-phase  induction  motor Stand-alone  PV  pumping  systems Résumé : Thisworh relates to the development of a new robust control approach for multi-celle invertres. The hybrid naturs of this inverter, represented by the presence of continuous and discrete dynamics, is taken inoto account in the modeling and control design parts. First, a Lopp-Shaping control (LSC) is designed to control a high gain DC/DC boost converter wiyh a midpoint to generate the pulses for supplying the inverter. Next; a new cascaded hybrid robust loop shaping control of three cell inverter is developed and the underlying output voltage level is determined. Secondly; a new algebraic condition is proposed in order to fulfill this constraint. Furthermore, a hybrid automata defining all possible transitions respecting the adjacency rule is given. Then, a new hybrid algorithm is proposed in order to ensure a blanced distribution of theflying capacitors voltages. In this algorithm, the states of the inverter are directly conrolled through a predefind selection table. The advantages of this hybrid control are the reduction of the execution time by adopting parallel processing and its intrinsic robustness properties. In order, to improve the performance and efficiency of the photovoltaic (PV) system, a cascade sliding mode controller (SMC) is proposed to regulate the current from the PV system to the load of the inverter. Finally, this new control structure is applied to a solar pumping inverter driving a three-phase induction motor (IM) coupled to a centrifugal pump load. Control and supervision of a photovoltaic umping station based on multicelle inverter topologies [texte imprimé] / Said Boudjana, Auteur ; Mouloud Deneai, Directeur de thèse ; Bali, Noureddine, Directeur de thèse ; Benmansour, Khelifa, Directeur de thèse . - [S.l.] : [s.n.], 2021 . - 118 f.,1 fichier PDF (9,8 Mo) : ill. ; 30 cm. Mode d'accès : accès au texte intégral par intranet. Thèse de Doctorat : Automatique : Alger, École Nationale Polytechnique : 2021 Bibliogr. 101 - 113 . - Appendices [4] f Langues : Anglais (eng) Mots-clés : Maximum  power  point  tracking  (MPPT) DC-DC  boost  converter Loop-Shaping  controler Multicell  inverter Hybrid  system Sliding  mode  control Three-phase  induction  motor Stand-alone  PV  pumping  systems Résumé : Thisworh relates to the development of a new robust control approach for multi-celle invertres. The hybrid naturs of this inverter, represented by the presence of continuous and discrete dynamics, is taken inoto account in the modeling and control design parts. First, a Lopp-Shaping control (LSC) is designed to control a high gain DC/DC boost converter wiyh a midpoint to generate the pulses for supplying the inverter. Next; a new cascaded hybrid robust loop shaping control of three cell inverter is developed and the underlying output voltage level is determined. Secondly; a new algebraic condition is proposed in order to fulfill this constraint. Furthermore, a hybrid automata defining all possible transitions respecting the adjacency rule is given. Then, a new hybrid algorithm is proposed in order to ensure a blanced distribution of theflying capacitors voltages. In this algorithm, the states of the inverter are directly conrolled through a predefind selection table. The advantages of this hybrid control are the reduction of the execution time by adopting parallel processing and its intrinsic robustness properties. In order, to improve the performance and efficiency of the photovoltaic (PV) system, a cascade sliding mode controller (SMC) is proposed to regulate the current from the PV system to the load of the inverter. Finally, this new control structure is applied to a solar pumping inverter driving a three-phase induction motor (IM) coupled to a centrifugal pump load.

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