Wind turbine pitch-angle control device and method thereof

Details Wind turbine pitch-angle control device and method thereof Wind turbine pitch-angle control device and method thereof

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 7/04 (2006.01) F03D 7/00 (2006.01)

Patent

CA 2670279

The object is to reduce aerodynamic load when a wind turbine is halted. When a wind turbine halt command is input, pitch angles of wind turbine blades 5-1, 5-2, and 5-3 are matched, and then the pitch angles of the wind turbine blades 5-1, 5-2, and 5-3 are moved to a feathering position.

L'invention porte sur un dispositif de commande d'angle de pas d'éolienne qui réduit la charge aérodynamique à l'arrêt d'une éolienne. Lors de l'entrée d'une instruction d'arrêt d'éolienne, le dispositif de commande d'angle de pas d'éolienne déplace un angle de pas de chaque pale d'éolienne 5-1, 5-2 et 5-3 à une position de mise en drapeau après égalisation de l'angle de pas de chaque pale d'éolienne 5-1, 5-2 et 5-3.

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