An underwater power station and method for operating an...

F - Mech Eng,Light,Heat,Weapons – 03 – B

Patent

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F03B 17/06 (2006.01) F03B 13/26 (2006.01)

Patent

CA 2671301

The invention relates to an underwater power station and a method for operating an underwater power station comprising a supporting structure, at least one electric machine that can be operated as a generator and as a motor and at least one turbine that is fixed to a rotating joint of the supporting structure by means of a spacer element and that has at least an indirect drive connection to the electric machine. When the electric machine acts as a generator, the surrounding water flow impinges on the turbine, driving the latter. The turbine and the spacer element are pivoted about the joint axis as a unit from a first position into a second position, the torque for carrying out said pivoting motion being produced by the drive of the turbine using the electric machine as a motor.

L'invention concerne une centrale électrique sous-marine et un procédé permettant de faire fonctionner une centrale électrique sous-marine dotée d'une structure support, d'au moins une machine électrique, pouvant fonctionner en générateur et en moteur, d'au moins une turbine, fixée à une articulation tournante de la structure support, au moyen d'un élément d'écartement, et en liaison d'entraînement au moins indirect avec la machine électrique. Lorsque la machine électrique fonctionne en générateur, la turbine est entraînée par le courant marin environnant. La turbine et l'élément d'écartement peuvent être pivotés, en un bloc, d'une première position à une seconde position autour de l'axe articulé et le couple de rotation permettant l'exécution du mouvement de pivotement est induit par l'entraînement de la turbine au moyen de la machine électrique, lorsque cette dernière fonctionne en moteur.

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