A wind power plant

H - Electricity – 02 – J

Patent

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Details

H02J 3/36 (2006.01) F03D 9/00 (2006.01) H02J 3/38 (2006.01)

Patent

CA 2375125

A wind power plant comprising at least one wind power station (26), which includes a wind turbine, an electric generator (1) driven by this wind turbine and a rectifier (27), and an electric direct voltage connection (29) between the rectifier arranged at the wind power station and an inverter (30), the alternating voltage side of which is connected to a transmission or distribution network (31), the inverter being arranged on the network side of the plant. An underwater cable (33) or the like being included in the direct voltage connection (29). The plant comprises a DC/DC-converter (34) having a low voltage side electrically connected to the rectifier (27) and a high voltage side electrically connected to the inverter (30). The inverter (30) is arranged on the wind power station side of the underwater cable (33). With advantage, several wind power stations (26) are parallel connected on the low- voltage side of the DC/DC-converter (34).

Installation de production de courant par l'énergie éolienne qui comporte au moins une éolienne (26) pourvue d'une turbine éolienne, d'un générateur électrique (1) entraîné par la turbine éolienne, d'un redresseur (27) et d'une connexion électrique (29) de tension continue entre le redresseur placé près de l'éolienne et un inverseur (30) dont le côté tension alternative est connecté à un réseau (31) de transmission ou de distribution, l'inverseur étant placé du côté réseau de l'installation. Un câble immergé (33) ou analogue sert à la connexion électrique (29) de tension continue. Ladite installation possède un transformateur CC/CC (34) dont le côté basse tension est électriquement connecté au redresseur (27) et dont le côté haute tension est électriquement connecté à l'inverseur (30). Ledit inverseur (30) est placé du côté éolienne du câble immergé (33). Plusieurs éoliennes (26) peuvent être avantageusement connectées en parallèle du côté basse tension du transformateur CC/CC (34).

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