Abstract: Wind turbine blades comprising one or more deformable trailing edge sections, each deformable trailing edge section comprising a first and a second actuator, wherein the second actuator is arranged substantially downstream from the first actuator, and wherein the first actuator is of a first type and wherein the second actuator is of a second type, the second type being different from the first type. The application further relates to wind turbines comprising such blades and methods of operating a wind turbine comprising one or more of such blades.

Abstract: A damping device for a wind turbine tower is disclosed having at least one upper mount extending from a tower structure, at least one lower mount extending from one of the tower structure or a tower foundation, at least one damping device extending only in a substantially vertical direction, the damping device having an upper connector coupled with the upper mount and a lower connector coupled with the lower mount, and at least one damper coupled between the upper connector and the lower connector.

Abstract: A damping device for a wind turbine tower is disclosed having at least one upper mount extending from a tower structure, at least one lower mount extending from one of the tower structure or a tower foundation, at least one damping device extending only in a substantially vertical direction, the damping device having an upper connector coupled with the upper mount and a lower connector coupled with the lower mount, and at least one damper coupled between the upper connector and the lower connector.

Abstract: A floating offshore wind turbine comprises a rotor with a plurality of blades, a nacelle and a nacelle support structure having a central longitudinal axis. A plurality of tuned mass damping configurations is arranged around the central longitudinal axis of the nacelle support structure to dampen vibrations in all 6 degrees of freedom.

Abstract: An offshore wind turbine comprising a buoyancy structure intended to provide a buoyancy force to support the wind turbine, wherein said buoyancy structure comprises at least one floater tank and a damping structure extending radially outward from the floater tank to damp forces due to heave, pitch or roll.

Abstract: Wind turbine blades comprising one or more deformable trailing edge sections, each deformable trailing edge section comprising a first and a second actuator, wherein the second actuator is arranged substantially downstream from the first actuator, and wherein the first actuator is of a first type and wherein the second actuator is of a second type, the second type being different from the first type. The application further relates to wind turbines comprising such blades and methods of operating a wind turbine comprising one or more of such blades.

Abstract: A direct drive wind turbine has a a rotor and a generator. The rotor includes a hub and a plurality of blades rotatably mounted on a frame. The generator includes a generator rotor and a generator stator. There are one or more dampers arranged between the rotor and the generator rotor and extending at least partially in an axial direction.

Abstract: An offshore wind turbine comprising a buoyancy structure intended to provide a buoyancy force to support the wind turbine, wherein said buoyancy structure comprises at least one floater tank and a damping structure extending radially outward from the floater tank to damp forces due to heave, pitch or roll.

Abstract: It comprises at least one substantially elongated pin associated with a wind turbine tower and at least one corresponding substantially elongated pile to be inserted into a surface and adapted for receiving at least one portion of the pin. A chamber is defined between the pin and the pile for receiving grout. At least one of the pin and the pile is provided with connecting plates extending inside the grouting chamber and provided with holes through which the grout passes. The connecting plates may extend radially inside the grouting chamber, aligned or not to each other or with the center of the pin or the pile.

Abstract: It comprises a number of wind turbines having a modular jacket formed of at least an upper substructure, an intermediate substructure, and a lower substructure that are connectable to each other. At least the intermediate substructure in a wind turbine foundation is different in height (h) from at least one substructure in another wind turbine foundation in order to adapt the different wind turbines of the wind farm to a site having differences in depth (?H) where the wind turbines of the wind farm are installed of the order of about 20 to 60 m.

Abstract: A floating offshore wind turbine comprises a rotor with a plurality of blades, a nacelle and a nacelle support structure having a central longitudinal axis. A plurality of tuned mass damping configurations is arranged around the central longitudinal axis of the nacelle support structure to dampen vibrations in all 6 degrees of freedom.

Abstract: The invention relates to a wind turbine comprising a substantially tubular tower structure and one or more vibration damping systems. At least one of the one or more vibration damping systems include a plurality of bracing elements and a damping element. One of the bracing elements is connected to the tower structure. The bracing elements and damping element are linked in such a way that a local displacement of the tower structure causes an increased displacement of the damper along its longitudinal axis. The invention further provides a method of damping vibrations in a wind turbine tower using one or more toggle-brace vibration damping systems and a using a toggle-brace vibration damping system for damping vibrations in a wind turbine.

Abstract: Wind turbine foundation comprising at least one substantially elongated pin associated with a wind turbine tower and at least one corresponding substantially elongated pile foundation to be inserted into a surface and adapted for receiving at least a portion of the length of the pin when in use, wherein the pin comprises an inserting end arranged opposite to a connecting end associated with the wind turbine tower and a stopping element is arranged inside the pile on a plane substantially transversal to a longitudinal axis of the pile, wherein the stopping element is adapted to receive said inserting end such that when the pin is inserted into the pile the inserting end is fitted in the stopping element. Furthermore, a wind turbine comprising such a foundation is described.

Abstract: A direct drive wind turbine comprising a rotor and a generator, the rotor comprising a hub and a plurality of blades and being rotatably mounted on a frame, and the generator comprising a generator rotor and a generator stator, further comprising one or more dampers arranged between the rotor and the generator rotor and extending at least partially in an axial direction.

Abstract: The invention relates to a wind turbine comprising a substantially tubular tower structure and one or more vibration damping systems. At least one of the one or more vibration damping systems include a plurality of bracing elements and a damping element. One of the bracing elements is connected to the tower structure. The bracing elements and damping element are linked in such a way that a local displacement of the tower structure causes an increased displacement of the damper along its longitudinal axis. The invention further provides a method of damping vibrations in a wind turbine tower using one or more toggle-brace vibration damping systems and a using a toggle-brace vibration damping system for damping vibrations in a wind turbine.