Resumen de: US2020240395A1

A system for placing a wind turbine assembly on a support surface of a support structure being supported on a seabed with a lifting crane provided on a floating vessel, said system can be changed from a first operation mode into a second operation mode to compensate a vertical reciprocal crane movement of the crane relative to the support structure.

Resumen de: WO2020151160A1

A floating platform-based multi-energy power generation system, which is specifically a TLP floating platform-based fan-oscillating water column-type wave energy integrated power generation system, comprising an offshore wind power generation system and an oscillating water column-type wave energy power generation device; the offshore wind power generation system comprises a fan (1) and a tower (2); and the oscillating water column-type wave energy power generation device (3) comprises an outer shell body of the wave energy power generation device, an air chamber (10) and an air turbine generator (9). The present system may make full use of offshore renewable resources to achieve the purpose of improving the utilization rate of the TLP platform and reducing the total cost, which thereby improves economic efficiency.

Resumen de: US2020224639A1

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: WO2020139445A1

An example method includes: determining a period of natural oscillation of a floating ground station in an airborne wind turbine with an aerial vehicle coupled to the ground station via a tether, and wherein each natural-oscillation period comprises forward and backward displacement of the floating ground station with respect to the aerial vehicle; and operating the aerial vehicle to fly in a substantially circular path with a looping period that matches the natural-oscillation period of the floating ground station, and a looping phase that aligns with the oscillation phase of the floating ground station such that movement of the aerial vehicle on a downstroke portion the circular path corresponds to forward displacement of the floating ground station, and movement of the aerial vehicle on an upstroke portion the circular path corresponds to reverse displacement of the floating ground station.

Resumen de: US2020208611A1

A deep sea energy integration system based on a floating wind turbine and a current energy device, being of a power generation structure having wind turbines with a Spar platform as a foundation and integrating vertical axis current energy device, and having a Spar-type floating wind power generation system and a current energy power generation system. The Spar-type floating wind power generation system is simple in structure and high in stability, is suitable for middle and far sea areas. By combining an offshore wind turbine with the current energy power generation device to share the Spar platform, an mooring line, a voltage transformation device, and a power transmission device, the power generation performance of the system is improved. An outer support of the current energy power generation system is a cylindrical shape, thereby reducing wave loads, utilizing the current energy to the maximum extent.

Resumen de: US2020208607A1

An example method includes: determining wave data corresponding to a floating ground station of an airborne wind turbine, wherein an aerial vehicle is coupled to the floating ground station via a tether; determining, based on the wave data, an oscillation profile of the floating ground station; and operating the aerial vehicle to fly in a closed path with: (a) a looping period that matches the period of wave-influenced oscillation of the floating ground station, and (b) a looping phase that aligns with the oscillation phase of the floating ground station such that movement of the aerial vehicle on a downstroke portion of the closed path corresponds to forward displacement of the floating ground station, and movement of the aerial vehicle on an upstroke portion the closed path corresponds to reverse displacement of the floating ground station.

Resumen de: US2020207446A1

Disclosed is a novel type of computing apparatus which is integrated within a buoy that obtains the energy required to power its computing operations from winds that travel across the surface of the body of water on which the buoy floats. Additionally, these self-powered computing buoys utilize their close proximity to a body of water in order to significantly lower the cost and complexity of cooling their computing circuits. Computing tasks of an arbitrary nature are supported, as is the incorporation and/or utilization of computing circuits specialized for the execution of specific types of computing tasks. And, each buoy's receipt of a computational task, and its return of a computational result, may be accomplished through the transmission of data across satellite links, fiber optic cables, LAN cables, radio, modulated light, microwaves, and/or any other channel, link, connection, and/or network.

Resumen de: WO2020136288A1

A floating platform for high-power wind turbines, comprising a concrete substructure (1), said concrete substructure forming the base of the platform, which remains semi-submerged in the operating position, and consisting of a square lower slab (11) on which a series of beams (3, 31) and five hollow reinforced concrete cylinders (2, 21) are constructed, distributed at the corners and the centre of said lower slab (1); a metal superstructure (4) supported on the concrete substructure and forming the base for connection with the wind turbine tower, said tower being coupled at the centre thereof; and metal covers (5, 51) covering each of the cylinders (2, 21), on which the metal superstructure is supported and to which vertical pillars (6, 61) are secured, linked together by means of beams (7, 71) which join at the central pillar (61) by means of an element (8) whereon the base (9) of the wind turbine tower is secured.

Resumen de: WO2020139863A1

A wind or water flow (hydrokinetic) turbine for harnessing a predetermined minimum or baseload value of renewable electric energy from the wind or water flow energy received at a harnessing module comprises the harnessing module, a controlling module, and a generating module. Han's Principle is that, in a torque balanced three variable Hummingbird speed converter system, from a harnessed input power (input), the generated electric power (output) must exceed the electric power used for the control power (control input) and the input power must exceed the summation of control power and output power. Harnessed input power is provided to a power-balanced three variable mechanical gear control system when a control power of power versus load graph is crossed by an output power line graph to achieve an electrical advantage at a generator output. The three variable mechanical motion control system or "motionics" comprises a Hummingbird control assembly of first and second spur/helical/bevel/miter/ring gear assemblies or Transgear assemblies with an adjustment in between to eliminate variations from constant rotational speed input. The Hummingbird mechanical variable to constant speed control, a control motor and a generator among other components may be mounted on land or a floating platform. Constant electric power at constant frequency are delivered to a variable load.

Resumen de: US2020208608A1

An example method includes: determining a period of natural oscillation of a floating ground station in an airborne wind turbine with an aerial vehicle coupled to the ground station via a tether, and wherein each natural-oscillation period comprises forward and backward displacement of the floating ground station with respect to the aerial vehicle; and operating the aerial vehicle to fly in a substantially circular path with a looping period that matches the natural-oscillation period of the floating ground station, and a looping phase that aligns with the oscillation phase of the floating ground station such that movement of the aerial vehicle on a downstroke portion the circular path corresponds to forward displacement of the floating ground station, and movement of the aerial vehicle on an upstroke portion the circular path corresponds to reverse displacement of the floating ground station.

Resumen de: US2020200150A1

The outer volume delimited by the shell (28A) of the main column (24) is greater than the respective outer volumes delimited by an outer surface of the shell (28B, 28C) of each secondary column (26).

Resumen de: WO2020127804A1

Floating support for a wind turbine comprising a central support member, and at least three buoyancy assemblies, each connected to the central support member via a radial connector beam and mutually interconnected via a transverse connector beam, characterized in that each buoyancy assembly comprises a connector body having two radial sides, an outward and an inward transverse side, wherein two transverse connector beams and a radial connector beam extend away from the inward transverse side of the connector body, anchoring means are provided at or near the outward transverse side of the connector body and the radial sides of the connector body are each connected to a respective buoyancy element.

Resumen de: US2020198741A1

The invention relates to a semisubmersible float, in particular for an offshore wind turbine, comprising at least four columns, including a central column and three outer columns connected to the central column by arms in the form of a pontoon, the outer columns and the pontoon arms comprising ballasts, is characterized in that the ballasts are filled by gravity and emptied using compressed air.

Resumen de: AU2018371270A1

A self-aligning to the incoming wind floating platform supporting multiple wind turbines(17, 18) forms a wind power generation unit. Under horizontal wind, the wind load resultant passes the center of geometry of the wind load receiving areas (hereafter C.Geo) of the floating platform, but not the turning axis (15), resulting a yaw moment about the turning axis (15) to turn the floating platform until the wind load resultant passes through the C.Geo and the turning axis (15) simultaneously. A wind park or wind farm comprises at least one floating platforms capable of self-aligning to the incoming wind for electric power generation. The floating platform helps to reduce the mileage of the submarine power cable (44), hence reducing the electric resistance and subsequently heat loss, and reducing the cost of submarine power cables (44).

Resumen de: US2020173422A1

A floating offshore horizontal axis wind turbine structure, including an anchored part anchored to a sea bed, and a rotatable part, the structure being supported by at least a pivot buoy, the pivot buoy includes a lower body anchored to the seabed and an upper body fixed to the rotatable part structure; an electrical connection between the lower body and the upper body; and a yaw system connecting the upper body with the lower body. The yaw system includes an inner ring connected to one of the upper and lower body, and an outer ring connected to the other of the upper and lower body; wherein the inner and outer rings are configured to rotate with respect to each other around a vertical yaw axis. The yaw system allows an alignment of the rotatable part with the prevailing wind direction, by rotating about the vertical yaw axis.

Resumen de: WO2020109674A1

The invention relates to an electrical power generation assembly for a floating wind turbine. The wind turbine comprises a set of support legs (5), which are mounted by a first, low end on a floating substructure (6) and the upper ends (5b) of which converge. The power generation assembly comprises a rotating hub (4) which has means (18) for fixing wind turbine blades (3) and is rotatably mounted with respect to the upper and converging ends (5b) of the support legs. It further comprises a set of at least two generators (10, 11) each driven by the rotating hub (4).

Resumen de: WO2020105378A1

The present invention provides a float-type offshore wind power generation system in which, while suppressing costs for the introduction of equipment, the entirety of a wind power generation device is prevented from rotating and stable power generation can be efficiently performed even when a float body is fixed to the seabed by means of a single mooring body. The float-type offshore wind power generation system according to the present invention is provided with: a tower serving as a post for a generator; a nacelle rotatably provided on the tower and having the generator built therein; and a rotor rotatably provided on one end of the nacelle and comprising a hub and a plurality of blades which receive wind and convert the wind to rotational energy, wherein the tower is installed on the float body floating on the ocean, and the float body is fixed to the seabed by means of a single mooring body. The float-type offshore wind power generation system has, on at least one position of the mooring body between the float body and the seabed, a mooring stabilizing body having a shape that receives ocean current and generates a drag.

Resumen de: WO2020101077A1

Provided is a floating offshore wind power generator combined with a fish farm, comprising: a floating body having buoyancy so as to float on the sea; a wind power generator which is installed on the upper part of the floating body and generates power by using wind power generated from the sea; and a barrel-shaped fish farming structure which is installed to be connected to the floating body and is configured to have buoyancy to float with the lower part thereof submerged in the water to provide a space part where fish or shellfish can live; a fish farming net which is installed to be connected to the fish farming structure to surround the fish farming structure and allows cage culture of fish or shellfish in the space part of the fish farming structure; and a plurality of balance maintaining parts which are spaced apart from each other and installed to be connected to each other along the circumference of the fish farming structure and absorb wave kinetic energy of the sea so as to allow the fish farming structure to be maintained in a balanced state.

Resumen de: WO2020095012A1

An offshore wind turbine system for the large scale production of hydrogen from seawater that includes a floating tower structure, a wind turbine generator, a lift pump, a desalination unit, anelectrolysis unit, and an export riser. The floating tower structure may be secured to the sea floor by a suction anchor for deepwater deployment. The lift pump, desalination unit, and electrolysis unit are powered by the wind turbine generator and configured to pump, desalinate, and electrolytically split seawater, respectively. The hydrogen generated by the electrolysis unit is provided to the export riser for delivery to a manifold or pipeline that may be deployed upon the sea floor. Individual units of the system may be combined into a field interconnected to one or more such manifolds to increase the scale of the system.

Resumen de: AU2018376719A1

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 15° and 60° with the horizontal struts (28).

Resumen de: WO2020093037A2

A tuned mass damper (TMD) system in combination with a floating offshore wind turbine (FOWT) platform includes a barge type FOWT platform having a hull configured to have a wind turbine tower mounted thereon. A TMD system is mounted in the hull and has a first TMD configured to operate at a first frequency, and a second TMD configured to operate at a second frequency different than the first frequency.

Resumen de: US2020141388A1

Provided is an offshore wind turbine installation arrangement, including a lifting assembly realized to hoist a suspended load between a floating installation vessel and a wind turbine assembly, the lifting assembly including a crane supported by the floating installation vessel; a sensor arrangement realized to sense at least a motion of the floating installation vessel; and a controller realized to control elements of the lifting assembly on the basis of the sensed installation vessel motion to adjust the position of the suspended load relative to the wind turbine assembly. Also provided is a method of hoisting a load between a floating installation vessel and an offshore wind turbine assembly.

Resumen de: US2020128798A1

A floating breakwater and wind energy integrated system used for offshore aquaculture. The system contains the wind turbine system, the floating breakwater system, and offshore aquaculture system. The combination of wind turbine, floating breakwater system and offshore aquaculture system makes full use of the floating breakwater, thus decrease the wave load on the floating cage. In addition, the floating breakwater offers a supporting platform to the floating wind turbine, which effectively reduces the costs of the wind turbine. Meanwhile, a power autarkic offshore aquaculture system may be realized by using the electrical energy generated by the turbine. Compared with the simple offshore aquaculture system, the utilization rate of the sea per unit becomes even higher while the costs of the floating wind turbine becomes even lower.

Resumen de: AU2018348547A1

A system for placing a wind turbine assembly on a support surface of a support structure being supported on a seabed with a lifting crane provided on a floating vessel, said system can be changed from a first operation mode into a second operation mode to compensate a vertical reciprocal crane movement of the crane relative to the support structure.

Resumen de: WO2020079048A1

The present invention relates to a semi-submersible float in particular for an offshore wind turbine, comprising at least four columns (3), including a central column (3) and three exterior columns that are connected to the central column (3) by pontoon-shaped branches (8, 9). Each column (3) defines an internal space. At least one of the columns (3), called high-stress column, is of circular transverse shape and comprises a part (15) for attaching the corresponding pontoon-shaped branch (8, 9) or each pontoon-shaped branch (8, 9) to this column. The attachment part (15) is in the form of a ring, disposed around the internal space of the high-stress column (3) and is made of a single piece.