A floating structure includes: a floating body including one or more buoyant bodies disposed around a structure; and a plurality of first support wires disposed between the structure and the floating body and configured to transmit the self-weight of the structure to the floating body. Each of the first support wires having: one end connected to the floating body; and another end connected to the structure below the one end.

Wind turbine comprising a rotor, comprising at least a first blade, and a supporting structure for supporting said rotor up in the air; wherein said first blade is arranged to rotate in a rotor plane around a rotor axis of the rotor and wherein said first blade is rotatable by a blade pitch driving mechanism around a blade pitch axis that is substantially parallel to a longitudinal axis of the blade, wherein said rotor axis is movable in at least one of a rotational tilt direction, a rotational yaw direction and a fore-aft translational direction and wherein the wind turbine further comprises a controller for controlling the wind turbine by varying an induction factor of the first blade over time while the rotor rotates around its rotor axis, wherein the controller is further arranged for varying said induction factor of the first blade by controlling the blade pitch driving mechanism for applying an oscillatory blade pitch rotation to the first blade, and by inducing an oscillatory motion of the rotor axis in the at least one of the rotational tilt direction, the rotational yaw direction and the fore-aft translational direction.

The invention relates to a structure (2) for supporting a wind turbine tower (1) provided with a housing (7) for fitting therein the foot of the tower (1), a main axis (?) being defined on the platform (2) which coincides with a main axis of the tower (1), and which comprises a body with a constant cross-section and internal walls (8) and intermediate walls (10) joined by internal radial ribs (11) perpendicular to the internal wall (8) whose plane passes through the main axis (?), such that at the intermediate wall (10) first joining nodes (12) are defined between the intermediate wall (10) and radial ribs (11), the intermediate wall (10) and an external wall (9) being joined by reticular ribs (14 and 15). This structure provides an optimal transmission of forces. The invention likewise relates to methods for manufacturing, assembling and installing the structure.

A tensegrity offshore wind power generation support structure is provided, relating to the technical field of offshore wind power. The support structure includes inclined columns, prestressed cables, a rigid support, a floating foundation and anchoring systems. A stable self-balancing space supporting structure is formed by the inclined columns and the cables; the inclined columns inclines outwards, upper parts of the inclined columns are connected with the prestressed cables; the bottom ends of the inclined columns are connected with the floating foundation; the middle parts of the inclined columns are connected with the rigid support; and the floating foundation is fixed with a seabed through the anchoring systems. According to the support structure, a tower in the traditional design is not needed, and all the cables are ensured to be in a tension state through the support of the inclined columns.

The invention relates to a system comprising: a foundation element that has a universal joint, wherein the universal joint has a first universal joint element connected to the foundation element for conjoint rotation and a second universal joint element which is rotatable about the longitudinal axis of the first universal joint element by carrying out a rotation about its own longitudinal axis; a floating wind turbine; and a mooring line. One end of mooring line is connected to the foundation element a first connector connected to the second universal joint element for conjoint rotation and the other end of which is connected to the floating wind turbine a second connector rotatably mounted on the floating wind turbine. The system also includes a controller which, on the basis of the rotational position of the floating wind turbine about the foundation element, brings about the adoption of a rotational position of the second connector rotatably mounted on the floating wind turbine; wherein the rotational position of the second connector rotatably mounted on the floating wind turbine corresponds to the rotational position of the second universal joint element about its own longitudinal axis, which rotational position geometrically corresponds to the rotational position of the floating wind turbine about the foundation element.

A method and system for horizontally mating an offshore wind turbine generator assembly. typically including a tower and wind turbine nacelle and blades, with a substructure platform to form an integrated substructure unit, wet towing the unit to installation site offshore, and then installing the unit independent of cranes and derricks.

A semi-submersible floating platform including six columns (C.sub.V, C.sub.L) arranged forming a triangle such that three vertex columns (C.sub.V) are arranged at the vertices of the triangle. Three side columns (C.sub.L) are arranged at the centers of the sides of the triangle. Each column (C.sub.V, C.sub.L) is connected by a joining element (B) respective to each of the adjacent columns (C.sub.V, C.sub.L). Further, a side column (C.sub.L) is configured to support the wind turbine (A). The columns (C.sub.V, C.sub.L) that do not support the wind turbine (A) have a weight configured to maintain the center of mass of the set formed by the platform (1) and wind turbine (A) in the vertical of the hull center of the platform (1).

A wind turbine support system configured to support an off-shore wind turbine, an offshore wind turbine farm and a method for controlling a floating offshore wind park with such turbine support system are described. The wind turbine support system includes: a floating body configured to hold a lower end of a tower of the wind turbine; and a single point mooring system. The single point mooring system includes a seabed anchor; and a mooring line configured to be connected to the seabed anchor at a first end thereof. The floating body has a bow and a stern, and the bow is configured to be connected to a second end of the mooring line.

A floating wind power platform is suitable for offshore deployment in deep-sea environments. The platform includes a tower that supports a wind turbine and a base support structure that is stabilized by a combination of stabilizers, struts, and floats. The platform furthermore includes a set of propellers and an electronic motion control system to control position and orientation relative to the wind. The floating wind power platform may be deployed in groups of connected platforms tethered to a centralized fuel production platform, carbon dioxide (CO2) capture and sequestration platform, or other processing platform that transforms and/or utilizes energy captured from the wind power platforms.

A method of repositioning a floating offshore wind turbine located at a current offshore position and having rotor blades rotating in a rotor blade plane includes: measuring a first value of a variability of a load related to a first location at the wind turbine; measuring a second value of a variability of a load related to a second location at the wind turbine; comparing the first value with the second value; and moving the wind turbine along a direction depending on the comparison and in particular further depending on the first location relative to the second location.