Wind power plant

H - Electricity – 02 – P

Patent

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Details

H02P 9/14 (2006.01) F03D 7/02 (2006.01) F03D 9/00 (2006.01) H02J 3/36 (2006.01)

Patent

CA 2385588

A wind power plant where the driving shaft communicates with a synchronous generator (3) optionally through a gear (2) and with a transformer, if any, communicating through an AC/DC inverter 7 with an HVDC transmission cable 9. The synchronous generator (3) is connected to a magnetic field controller (3). In response to an output parameter, such as the power generated by the synchronous generator (3), this magnetic field controller (4) is adapted to vary the magnetic field in the generator (3) in response to said output parameter. As a result it is possible to compensate for a possible variation in the output parameter, whereby said output parameter is stabilized. As a result it is possible to compensate for a varying speed of rotation.

L'invention concerne une centrale éolienne dont l'arbre d'entraînement communique avec un générateur synchrone (3) éventuellement au moyen d'un engrenage, et avec un transformateur communiquant le cas échéant avec un câble de transmission CCHT (9) au moyen d'un inverseur AC/DC (7). Le générateur synchrone (3) est connecté à une commande (4) de champ magnétique. En réponse à un paramètre d'entrée, tel que l'énergie produite par le générateur synchrone (3), cette commande (4) de champ magnétique est conçue pour modifier le champ magnétique dans le générateur (3). Par conséquent, il est possible de compenser une variation possible du paramètre de sortie, ledit paramètre de sortie étant stabilisé, et donc de compenser une vitesse de rotation variable.

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