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AbstractAbstract
[en] The thesis work concerns the development of a real-time emulation platform for theoretical and experimental studies of offshore wind and tidal power hybrid systems. Various energy coupling architectures are processed on the basis of the functional similarities of two systems and by both numerical and experimental emulation concepts. The notion of accelerated time used for real time simulation has been developed. The concept was validated on the experimental platform using the evolution of the mean power delivered by a small wind turbine. This approach can reduce the observation times of the measurement campaigns and could accelerate the studies for the wind potential of developing sites. We have also developed two types of coupling of the wind-tidal hybrid system. An electrical coupling based on the connection in parallel on a continuous bus of two turbines. We have developed an innovative concept of an electromechanical coupling based on the use of a single asynchronous generator on which the wind turbine and tidal turbine are simultaneously coupled. For this purpose, a vector-controlled servomotor was used to emulate the wind turbine while a synchronous motor was used as a tidal turbine emulator. The generator shaft is used as a mechanical coupling between the two systems. We have demonstrated in the experiments that we have developed the complementarity of the electrical productions of the two systems; we highlighted the need to add a storage system to compensate the simultaneous decrease of the two energy productions. The real time simulations results allow us to validate the feasibility of such a coupling. (author)
[fr]
Les travaux de these concernent le developpement d'une plateforme d'emulation temps reel destinee aux etudes theoriques et experimentales des systemes hybrides eolien- hydrolien. Diverses architectures de couplages energetiques sont traitees sur la base des similitudes fonctionnelles des deux systemes et par des concepts d'emulation a la fois numeriques et experimentaux. La notion de simulation en temps 'accelere' a ete developpee. Le concept a ete valide sur la plateforme experimentale en utilisant l'evolution de la puissance moyenne delivree par une turbine eolienne de petite puissance. Cette approche pourra permettre de reduire les temps d'observation des campagnes de mesure, d'accelerer les etudes sur le potentiel eolien des sites en developpement. Nous avons developpe egalement deux types de couplage du systeme hybride eolien-hydolien. Un couplage electrique base sur la connexion en parallele sur un bus continu des deux turbines. Nous avons developpe un concept innovant d'un couplage electromecanique base sur l'utilisation d'une seule generatrice asynchrone sur laquelle sont simultanement couples les arbres de la turbine eolienne et de la turbine hydrolienne. Pour cela, un servomoteur a commande vectorielle nous a servi a emuler la turbine eolienne pendant qu'un moteur synchrone nous a servi d'emulateur de turbine hydrolienne. L'arbre de la generatrice sert de couplage mecanique entre les deux systemes. Nous avons mis en evidence dans les experimentations effectuees, la complementarite des productions electriques des deux systemes, et egalement le besoin de leur adjoindre un systeme de stockage pour palier a une baisse simultanee de deux productions d'energie. (auteur)Original Title
Systeme multi physique de simulation pour l'etude de la production de l'energie basee sur le couplage eolien offshore-hydrolien
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Source
12 Dec 2016; 187 p; 139 refs.; Available from the INIS Liaison Officer for France, see the INIS website for current contact and E-mail addresses; These de doctorat, Specialite: Genie Electrique
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Miscellaneous
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Thesis/Dissertation
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