Resumen de: WO2019234489A1

Floating platform (100) for fastening a floating wind turbine (300) on a bed of a body of water by means of a mooring buoy (200) which is anchored on the bed of the body of water, wherein the floating wind turbine (300) has a cavity which opens in the direction of the bed of the body of water and is intended for accommodating the mooring buoy (200), characterized by a positioning means (110) for positioning the floating wind turbine (300) in a predetermined position relative to the floating platform (100), and by an actuator (120) for lowering the mooring buoy (200) to a level beneath the platform (100) and for inserting the mooring buoy (200) into the cavity of the floating wind turbine (300) by raising the mooring buoy (200).

Resumen de: WO2021063841A1

Drive train of a wind turbine comprising a coupling shaft for compensating concentricity tolerances and misalignment of a gearbox output axis and a generator turning axis Provided is a drive train of a wind turbine. The drive train comprises a main shaft assembly, a planetary gearbox, and a generator. The planetary gearbox comprises an output shaft. The generator comprises a torque shaft, and the drive train further comprises a coupling shaft having a first articulated joint that is coupled to the output shaft and a second articulated joint that is coupled to the torque shaft. The first and second articulated joints are configured to compensate concentricity tolerances and a misalignment between the out-put shaft and the torque shaft. The coupling shaft is a floating shaft having a translational degree of freedom in axial direction. The drive train comprises a first and a second mechanical stop for limiting a resulting freedom of movement of the coupling shaft in axial direction to a predetermined range of motion. Further provided are a wind turbine, and a wind park.

Resumen de: WO2021066258A1

The present invention provides a floating-type offshore wind power generation apparatus comprising: a wind power generator which produces electric power by using wind power; a vertical column which is installed at the lower end of the wind power generator and supports the wind power generator so that the wind power generator is disposed above sea level; and a support floating body which is installed extending downward from the lower end of the vertical column so that the wind power generator and the vertical column are supported at designated offshore positions in a floating state. The support floating body includes: a main body which is installed by coupling the upper end thereof to the lower end of the vertical column, and has a tubular shape in which the upper and lower ends are open; a tubular seawater guide body which is installed by being inserted into the main body, and in which a seawater inflow path is formed such that seawater is introduced and discharged through the lower end thereof, which is disposed underwater, according to the vertical floating position with respect to sea level; and a weight which is installed coupled to the lower end of the main body and increases the weight of the lower end of the main body.

Resumen de: WO2021058531A1

It is described a floating metal platform (100), a method for assembling a floating metal platform (100) and a floating wind turbine (1000) supported by a metal platform (100). The floating metal platform (100) comprises at least three elongated elements (110), each elongated element (110) comprises: a first elongated member (111); a second elongated member (112) parallel to the first elongated member (111); and at least one buoyancy element (114) connected to the first elongated member (111) and the second elongated member (112).

Resumen de: EP3798467A1

Provided is a drive train of a wind turbine. The drive train comprises a main shaft assembly, a planetary gearbox, and a generator. The planetary gearbox comprises an output shaft. The generator comprises a torque shaft, and the drive train further comprises a coupling shaft having a first articulated joint that is coupled to the output shaft and a second articulated joint that is coupled to the torque shaft. The first and second articulated joints are configured to compensate concentricity tolerances and a misalignment between the output shaft and the torque shaft. The coupling shaft is a floating shaft having a translational degree of freedom in axial direction. The drive train comprises a first and a second mechanical stop for limiting a resulting freedom of movement of the coupling shaft in axial direction to a predetermined range of motion. Further provided are a wind turbine, and a wind park.

Resumen de: WO2021052888A1

The application concerns a method for installing an offshore wind turbine (102, 202, 402), more particularly a floating offshore wind turbine (102, 202, 402), comprising: providing an offshore wind turbine (102, 202, 402) to be installed with at least one flywheel module (110, 210.1, 210.2, 410) mounted on the offshore wind turbine (102, 202, 402) during the installation; and controlling the at least one flywheel module (110, 210.1, 210.2, 410) in such a manner that a specified location of the offshore wind turbine (102, 202, 402) corresponding to at least one target position parameter is adopted during the installation of the offshore wind turbine (102, 202, 402).

Resumen de: WO2021052683A1

It is described a method of offshore mounting a wind turbine (1), the wind turbine (1) comprising a foundation (2), a tower (3), a nacelle (4) and a plurality of blades (5). The method comprising steps of: a) mounting the foundation (2) on a sea ground (S); b) mounting the tower (3) to the foundation (2); c) mounting the nacelle (4) to the tower (3); and d) mounting the plurality of blades (5) to the nacelle (4). At least one of the steps a) through c) is performed by use of at least one floating vessel (6) which is exclusively supported by buoyancy when performing the at least one of the steps a) through c).

Resumen de: WO2021053252A1

The invention relates to a method for controlling an offshore floating tower wind turbine (1), and to various systems and a wind turbine (1) that use the method. The invention is mainly based on the control of the pitch angle of the blades (3) of the wind turbine (1) by means of power levels different from nominal power, depending on the movement conditions to which the wind turbine (1) is subjected at sea, and for operating conditions above nominal wind speed. Owing to the described method, the invention allows the movements experienced by the wind turbine (1) to be reduced, using the energy performance thereof more efficiently, without detriment to the service life thereof.

Resumen de: WO2021048450A1

The invention relates to a floating platform for supporting generators of wind, wave and marine current power, which has a generally disc-like shape with a circular or polygonal perimeter, the size of the platform being optimised, considerably minimising the weight and, thereby, the production costs thereof, in addition to other related problems. The platform prevents the possibility of being able to resonate with the movement of the sea waves, preventing the installed devices from becoming damaged or falling over, and does not exceed the maximum inclination acceptable for generators of wind, wave or marine current power. In addition, the platform can withstand the largest possible waves, owing to a relationship between the height or support (13) of the platform and the diameter (14) thereof, in a ratio of between 0.06 and 0.35.

Resumen de: EP3792486A1

It is described a method of offshore mounting a wind turbine (1), the wind turbine (1) comprising a foundation (2), a tower (3), a nacelle (4) and a plurality of blades (5). The method comprising steps of: a) mounting the foundation (2) on a sea ground (S); b) mounting the tower (3) to the foundation (2); c) mounting the nacelle (4) to the tower (3); and d) mounting the plurality of blades (5) to the nacelle (4). At least one of the steps a) through c) is performed by use of at least one floating vessel (6) which is exclusively supported by buoyancy when performing the at least one of the steps a) through c).

Resumen de: ES2812374A1

Control procedure of a floating type offshore tower wind turbine. The invention relates to a control method of a floating type offshore tower wind turbine (1), as well as different systems and a wind turbine (1) that make use of said procedure. The invention is mainly based on the control of the "pitch" angle of the blades (3) of the wind turbine (1) by means of power levels other than nominal power, depending on the movement conditions to which the wind turbine is subjected (1) at sea, and for operating conditions above the rated wind speed. The invention makes it possible, thanks to the described method, to reduce the movements experienced by the wind turbine (1), making more efficient use of its energy efficiency without affecting its useful life. (Machine-translation by Google Translate, not legally binding)

Resumen de: US2021062788A1

A wind-energy-power-generating device is disclosed for flotation on a body of water. The device includes a turbine assembly having rotor blades rotating about a rotation axis for harnessing kinetic energy from an airflow. The device includes a cowl at least partially surrounding said turbine assembly and defining an airflow passageway between a cowl inlet and outlet, having an inlet and outlet axis, respectively. The inlet and outlet axis intersect at a redirect angle. The device includes a base platform adapted to support the turbine assembly and cowl on the water. The cowl is rotatably mounted on the base platform such that it is rotatable around the turbine assembly to self-align with a wind direction. Stabilising arms extend from the base platform and are spaced circumferentially around a platform axis, to stabilise it on the water. A wind-energy-power-generating device secured to the ground or other fixed non-floating structure is also described.

Resumen de: CA3092042A1

The present invention relates to efficient electricity generating turbines using wind and motion of waves as sources of energy comprising of extendible cables attached to ratchet type drive mechanisms as means to rotate expandable and fix flywheels, said windmills are easily mountable unto towers and tripods unto existing buildings whereas said cables runs similarity to clothes lines to generators on the ground, said cables as another option runs from floatation platforms across the water to shore interconnecting with said ratchet type drive mechanisms forming mechanical drive linkages in between said flotation platforms to said flywheels and electrical generators instead of connecting rods as rotational drive system means.

Resumen de: WO2021032405A1

It is described a control system (170, 270) for stabilizing a floating wind turbine (100, 200, 300, 400, 600). The control system (170, 270) comprises a measuring device (371, 471) configured for measuring a wind field (111, 211, 311, 411, 611) and a wave field (418, 618), a determining device (373, 473), wherein the determining device (373, 473) is configured for determining an excitation frequency spectrum (591, 791) of the floating wind turbine (100, 200, 300, 400, 600) on the basis of the measured wind field (111, 211, 311, 411, 611) and/or the wave field (418, 618) and/or a current floater pitch angle of the floating wind turbine (100, 200, 300, 400, 600), and wherein the determining device (373, 473) is fur- ther configured for determining a balanced state of the floating wind turbine (100, 200, 300, 400, 600), wherein in the balanced state a natural frequency (592, 792) is outside of the excitation frequency spectrum (591, 791) and/or the current floater pitch angle is equal to a pre-defined floater pitch angle. The control system (170, 270) further comprises an adjustment device (372, 472, 672) which is configured for manipulating the current floater pitch and/or the natural frequency (592, 792) until the balanced state is met. Furthermore, a floating wind turbine (100, 200, 300, 400, 600) is described which comprises a wind rotor comprising a blade (140, 240), a tower, a floating foundation (120, 220, 320, 420, 620), and an above-described control system (170, 270).

Resumen de: WO2021032407A1

It is described a control system (170) for stabilizing a floating wind turbine (100), the control system (170) comprising a detection device (271, 272, 273, 274) configured for monitoring an offset (231) from a predetermined floater pitch angle (393) and/or an offset from a predetermined floater yaw angle of the floating wind turbine (100), wherein the detection device (271, 272, 273, 274) is further configured for monitoring an oscillating motion (396) of the floater pitch angle (392) and/or an oscillating motion of the floater yaw angle, wherein the predetermined floater pitch angle (393) and the predetermined floater yaw angle define a predetermined balanced state of the floating wind turbine (100), wherein a threshold (394, 395) of the oscillating motion (396) of the floater pitch angle (392) and a threshold of the oscillating motion of the floater yaw angle further define the predetermined balanced state of the floating wind turbine (100), and an actuation device (281, 282) configured for manipulating the floater pitch angle (392) and/or the floater yaw angle until the predetermined balanced state is met, wherein the actuation device (281, 282) is further configured for manipulating the oscillating motion (396) of the floater pitch angle (392) and/or the oscillating motion of the floater yaw angle until the predetermined balanced state of the floating wind turbine (100) is met. Furthermore, a floating wind turbine (100) is described. Additionally, a method for stabilizin

Resumen de: WO2021032406A1

It is described a control system (170) for operating a floating wind turbine (100, 200) under sea ice conditions. The control system (170) comprises a detection device (281, 282) configured for detecting a formation of ice (271, 272) in a critical zone (205) around the floating wind turbine, and an ice inhibiting device (291, 292, 293, 294) configured for manipulating the floating wind turbine (100, 200) in such a manner that the critical zone (205) is free of a threshold amount of the detected formation of ice (271, 272). Furthermore, a floating wind turbine (100, 200) is described which comprises a wind rotor comprising a wind rotor comprising a blade (140, 240), a tower (130, 230), a floating foundation (120, 220), and an above-described control system (170). Additionally, a method for operating a floating wind turbine (100, 200) under sea ice conditions is described.

Resumen de: WO2021032370A1

It is described a control system (111, 121) for positioning at least two floating wind turbines (110, 120) in a wind farm (100). The control system (111, 121) comprises a measuring device (112, 122) configured for measuring an incoming wind field at the two wind turbines, a determining device (114, 124), wherein the determining device (114, 124) is configured for determining a wake property (151, 252, 351, 352) at the two wind turbines, wherein the determining device (114, 124) is configured for determining a propagation path of the wake property (151, 252, 351, 352) through the wind farm (100) based on the determined wake property (151, 252, 351, 352) at the at least two floating wind turbines (110, 120), wherein the determining device (114, 124) is configured for determining a location for each of the at least two floating wind turbines (110, 120) comprising a minimized wake influence based on the determined propagation path of the wake property (151, 252, 351, 352) through the wind farm (100), and a repositioning device (113, 123) configured for repositioning each of the at least two floating wind turbines (110, 120) to the determined location. Furthermore, a wind farm (100) is described which comprises at least two floating wind turbines (110, 120), and an above-described control system (111, 121). Additionally, a method for positioning at least two floating wind turbines (110, 120) in a wind farm (100) is described.

Resumen de: WO2021032422A1

Described are a wind turbine comprising an integrated electrical substation, and a floating offshore wind farm, which are optimised with respect to capital costs, economic efficiency and installation space requirements.

Resumen de: EP3782899A1

It is described a control system (170, 270) for stabilizing a floating wind turbine (100, 200, 300, 400, 600). The control system (170, 270) comprises a measuring device (371, 471) configured for measuring a wind field (111, 211, 311, 411, 611) and a wave field (418, 618), a determining device (373, 473), wherein the determining device (373, 473) is configured for determining an excitation frequency spectrum (591, 791) of the floating wind turbine (100, 200, 300, 400, 600) on the basis of the measured wind field (111, 211, 311, 411, 611) and/or the wave field (418, 618) and/or a current floater pitch angle of the floating wind turbine (100, 200, 300, 400, 600), and wherein the determining device (373, 473) is further configured for determining a balanced state of the floating wind turbine (100, 200, 300, 400, 600), wherein in the balanced state a natural frequency (592, 792) is outside of the excitation frequency spectrum (591, 791) and/or the current floater pitch angle is equal to a pre-defined floater pitch angle. The control system (170, 270) further comprises an adjustment device (372, 472, 672) which is configured for manipulating the current floater pitch and/or the natural frequency (592, 792) until the balanced state is met. Furthermore, a floating wind turbine (100, 200, 300, 400, 600) is described which comprises a wind rotor comprising a blade (140, 240), a tower, a floating foundation (120, 220, 320, 420, 620), and an above-described control system (170, 270). Ad

Resumen de: EP3782898A1

It is described a control system (170) for operating a floating wind turbine (100, 200) under sea ice conditions. The control system (170) comprises a detection device (281, 282) configured for detecting a formation of ice (271, 272) in a critical zone (205) around the floating wind turbine, and an ice inhibiting device (291, 292, 293, 294) configured for manipulating the floating wind turbine (100, 200) in such a manner that the critical zone (205) is free of a threshold amount of the detected formation of ice (271, 272). Furthermore, a floating wind turbine (100, 200) is described which comprises a wind rotor comprising a wind rotor comprising a blade (140, 240), a tower (130, 230), a floating foundation (120, 220), and an above-described control system (170). Additionally, a method for operating a floating wind turbine (100, 200) under sea ice conditions is described.

Resumen de: EP3782897A1

A control system (170) for stabilizing a floating wind turbine (100), the control system comprising a detection device (271, 272, 273, 274) configured for monitoring an offset (231) from a predetermined floater pitch angle (393) and/or an offset from a predetermined floater yaw angle of the floating wind turbine, wherein the detection device is further configured for monitoring an oscillating motion (396) of the floater pitch angle (392) and/or an oscillating motion of the floater yaw angle, wherein the predetermined floater pitch angle and the predetermined floater yaw angle define a predetermined balanced state of the floating wind turbine, wherein a threshold (394, 395) of the oscillating motion of the floater pitch angle and a threshold of the oscillating motion of the floater yaw angle further define the predetermined balanced state of the floating wind turbine, and an actuation device (281, 282) configured for manipulating the floater pitch angle and/or the floater yaw angle until the predetermined balanced state is met, wherein the actuation device is further configured for manipulating the oscillating motion of the floater pitch angle and/or the oscillating motion of the floater yaw angle until the predetermined balanced state of the floating wind turbine is met. Furthermore, a floating wind turbine is described. Additionally, a method for stabilizing a floating wind turbine is described.

Resumen de: EP3783221A1

It is described a control system (111, 121) for positioning at least two floating wind turbines (110, 120) in a wind farm (100). The control system (111, 121) comprises a measuring device (112, 122) configured for measuring an incoming wind field at the two wind turbines, a determining device (114, 124), wherein the determining device (114, 124) is configured for determining a wake property (151, 252, 351, 352) at the two wind turbines, wherein the determining device (114, 124) is configured for determining a propagation path of the wake property (151, 252, 351, 352) through the wind farm (100) based on the determined wake property (151, 252, 351, 352) at the at least two floating wind turbines (110, 120), wherein the determining device (114, 124) is configured for determining a location for each of the at least two floating wind turbines (110, 120) comprising a minimized wake influence based on the determined propagation path of the wake property (151, 252, 351, 352) through the wind farm (100), and a repositioning device (113, 123) configured for repositioning each of the at least two floating wind turbines (110, 120) to the determined location. Furthermore, a wind farm (100) is described which comprises at least two floating wind turbines (110, 120), and an above-described control system (111, 121). Additionally, a method for positioning at least two floating wind turbines (110, 120) in a wind farm (100) is described.

Resumen de: PH12020550612A1

The invention concerns a floating support structure (10) for an offshore wind turbine, comprising a float (12) intended to be partially submerged and on which a wind turbine mast is intended to be assembled, and a counterweight linked to the float and intended to be submerged under the float, the float comprising a main structure (18), the shape of which is toroidal or polygonal with at least five sides, a central tubular structure (26) having a diameter suitable for receiving the wind turbine mast and comprising a section suitable for being ballasted in order to adjust the waterline of the float, a first series of horizontal struts (28) distributed around a vertical axis and linking the main structure to the central structure, and a second series of oblique struts (30) distributed around a vertical axis (Y-Y) and linking the main structure to the central structure, forming an angle of between 15ø and 60ø with the horizontal struts (28).

Resumen de: US2021048002A1

A wind-driven power generating system with a hybrid wind turbine mounted on a floating platform that heels relative to horizontal in the presence of a prevailing wind. The hybrid turbine has a turbine rotor with at least two rotor blades, each mounted to a turbine shaft by at least one strut, and the system is configured so that the shaft forms a predetermined non-zero operating heel angle relative to vertical in the presence of a prevailing wind at a predetermined velocity. The blades and struts are airfoils with predetermined aerodynamic characteristics that generate lift forces with components in the direction of rotation around the shaft of the blades and struts at the operating heel angle to drive an electrical generator carried by the platform. The system can be designed to generate maximum power at the predetermined heel angle or essentially constant power over a range of heel angles.

Resumen de: WO2021029491A1

The present invention relates to a marine wind power generation floating body, which can be coupled to a tower used for wind power generation and is provided at sea, the marine wind power generation floating body comprising: a floating main body which is formed at a predetermined length and which has a circular transverse cross section; a ballast part positioned on one side of the floating main body; a damping plate positioned at one end of the floating main body, and formed with a diameter that is larger than the outer diameter of one side of the floating main body; and a pitching/rolling damping part which is positioned on the other side of the floating main body, and which damps the horizontal pitching and rolling of the floating main body.