Resumen de: WO2018101833A1

A method of controlling a turbine of a floating wind turbine structure to reduce fatigue of its moorings comprises curtailing the turbine based on a pitching motion of the wind turbine structure and on a wind direction at the wind turbine structure relative to the orientation of moorings of the wind turbine structure. Optionally, the curtailment may be further based on the degree of displacement of the wind turbine structure from a reference location.

Resumen de: WO2019190387A1

The present invention relates to a floating vertical axis wind turbine, VAWT, with a central column which at its lower end is connected to a mooring system. The VAWT comprises at least one rigid peripheral power generating unit comprising a blade, a peripheral buoyancy element and a water turbine assembly. The peripheral buoyancy element extends from the lower end of the blade and connects the water turbine assembly to the blade, and wherein the peripheral buoyancy element at least partly supports the rigid peripheral power generating unit by buoyancy. A bearing assembly is rotatably attached to the central column and at least one first strut connects the rigid peripheral power generating unit with the bearing assembly.

Resumen de: EP3546337A1

In a floating structure 1 with a plurality of columns 2 as vertically extending columnar buoyancy bodies and a connecting body for connecting the columns 2 horizontally deployed, an upper structure (a wind turbine) 4 is connected to an upper portion of at least one (a main column 2a) of the columns 2 and the whole is supported on water. Construction is such that buoyancy on the main column 2a becomes larger than that on each of the other columns 2 (side columns 2b).

Resumen de: WO2019179881A1

The invention relates to a semi-submersible floater (12) defining an operating state and a non-operating state, and comprising at least two outer columns (24), a central column (22) for receiving a payload, and, for each outer column (24), an arm in the form of a pontoon (30) connecting said outer column to the central column and defining an arm axis (A) oriented from the central column (22) towards said outer column (24). Each arm (30) is formed from a first portion (42) and a second portion (44) which extend successively along the corresponding arm axis (A), each one over at least 10% of the total area (E) of said arm (30), along said arm axis. In the operating state of the floater (12), the second portion (44) of each arm (30) is at least partially filled with a ballast material (66), and the first portion (42) does not contain any ballast material.

Resumen de: WO2019172773A1

There is disclosed a construction of a wind turbine comprising a frame (10) on a floating pontoon (1,2,3) wherein the frame is constructed as a lattice rig (10) upright on the pontoon (1,2,3) forming a plurality of rectangular or square openings in the rig (10) for receiving respective interchangeable wind turbine generators (12) with associated drive propellers (14) driven by incoming wind (40), and each wind turbine generator (12) being arranged to travel up the rear of the rig ( 10) and through the openings towards the front of the rig (11). The wind power plant is characterized in that each turbine generator (12, 14) comprises one or more pairs of propeller blades (14a, b) forming a propeller set (14) having a blade diameter defining the turbine rotational plane (30), each propeller set (14) is arranged at a distance from the front side (11) of the rig (10), to be rotated by the incoming wind (40) towards the rig (10). There is also described a method for mounting turbines with associated propeller sets and openings in the rig, respectively.

Resumen de: WO2019169741A1

The present invention relates to the technical field of marine renewable energy application, and particularly relates to a deep sea energy integration system based on a floating fan and a tidal current energy apparatus, being of a power generation structure having fans with a Spar platform as a foundation and integrating vertical axis tidal current energy, and comprising a Spar floating type wind power generation system and a tidal current energy power generation system. The Spar floating type wind power generation system of the present invention is simple in structure and high in stability, is suitable for middle and far sea areas, and is simple and convenient to mount and wide in application water depth. By combining an offshore wind power generation apparatus with the tidal current energy power generation apparatus to share the Spar platform, an anchor mooring line, a voltage transformation device, and a power transmission device, the power generation performance of the system is improved, the total power generation capacity is increased, marine renewable energy sources are effectively utilized, the investment costs are reduced, and the commercial application is accelerated. An external support of the tidal current energy power generation system of the present invention is of a cylindrical shape, thereby reducing wave loads, utilizing the tide current energy to the maximum extent, and moreover, ensuring the stability of the structure.

Resumen de: WO2019169742A1

Disclosed is a floating breakwater and wind energy integrated system for deep-sea farming, the system comprising a wind-driven power generation system, a floating breakwater system and a deep-sea farming system. The wind-driven power generation system comprises a wind-driven power generator (1), a tower (2) and a power transmission system. The floating breakwater system comprises a plurality of boxes (3) for a floating breakwater and steel connection ropes (4) between the boxes. The deep-sea farming system comprises a circular farming cage (6), a mooring buoy (7), a vertical anchor chain (8) with a weight block, a vertical anchor chain (9) and a positioning anchor chain (10). The system has a high practical value and a simple structure by means of the wind-driven power generator, the floating breakwater system and the deep-sea farming system being combined.

Resumen de: US2019277255A1

A method of controlling a turbine of a floating wind turbine structure to reduce fatigue of its moorings comprises curtailing the turbine based on a pitching motion of the wind turbine structure and on a wind direction at the wind turbine structure relative to the orientation of moorings of the wind turbine structure. Optionally, the curtailment may be further based on the degree of displacement of the wind turbine structure from a reference location.

Resumen de: US2019264656A1

The floating structure (20) for supporting a marine wind turbine comprises a tower (21), a float (23), and a transition element (22) between the tower (21) and the float (23). The tower (21) has a tower tubular wall (31) having a tower axisymmetric outer surface about a central axis (5) defined by a tower generatrix, the float (23) has a float tubular wall (33) and a float lower end closing wall (34), the float tubular wall (33) has a float axisymmetric outer surface about the central axis (5) defined by a float generatrix, and the transition tubular wall (32) has a transition axisymmetric outer surface about the central axis (5) defined by a curved concave transition generatrix which is tangent to the tower generatrix. The transition axisymmetric outer surface of the transition element (22) has a transition upper diameter equal than a tower lower diameter (D1) and a transition lower diameter equal than a float upper diameter (D2). At least the float tubular wall (33), the float lower end closing wall (34) and the transition tubular wall (32) are made of reinforced concrete forming together a reinforced concrete monolithic body.

Resumen de: US2019263477A1

A method of assembling a floating wind turbine platform includes forming a base assembly of the floating wind turbine platform in either a cofferdam or a graving dock built in water having a first depth. The base assembly includes a keystone and a plurality of buoyant bottom beams extending radially outward of the keystone, wherein longitudinal axes of each of the plurality of bottom beams are coplanar. The cofferdam or the graving dock is flooded and the assembled base assembly is floated to an assembly area in water having a second depth. A center column and a plurality of outer columns are assembled or formed on the base assembly, a tower is assembled or formed on the center column, and a wind turbine is assembled on the tower, thereby defining the floating wind turbine platform.

Resumen de: WO2019162102A1

The invention relates to a floating base (2) for a floating off-shore system (1), in particular an off-shore wind turbine, comprising a base body (4) surrounding a hollow space (3) and consisting at least partially of concrete. The base body (4) comprises a plurality of concrete finished parts (5), which are clamped to one another by means of clamping elements (6) to form the base body (4), wherein a join (7) is formed between two respective adjacent concrete finished parts (5). The concrete finished parts (5) are clamped to one another without the arrangement of a bonding means in the join (7). An off-shore system (1), in particular a wind turbine, has a floating base (2) of this type.

Resumen de: US2019257291A1

Provided is a wind power generation system using a jet stream. The wind power generation system is implemented to include a flight vehicle configured to produce power through wind power generation while floating in the air and autonomously flying without a winch and configured to transmit the produced power to the ground, and a ground reception unit configured to receive a power signal transmitted from the flight vehicle and convert the power signal to electricity, wherein the flight vehicle enters a power generation location or escapes from the power generation location through buoyancy adjustment, the flight vehicle produces power through wind power generation while staying at the top of the troposphere or in the vicinity of the stratosphere where the jet stream is generated, and the flight vehicle includes a propeller configured to rotate in one direction due to the jet stream, a power generator configured to produce power by converting mechanical energy due to a rotational force of the propeller to electrical energy, a power generation control unit configured to control entry or escape into or from the power generation location, a buoyancy adjustment unit configured to increase or decrease buoyancy according to control of the power generation control unit, a laser conversion unit configured to convert power produced by the power generator to a laser, and a laser shooting unit configured to transmit the laser converted by the laser conversion unit to the ground.

Resumen de: WO2019156191A2

Provided is a power generation device which, by causing a rotating member to rotate using the flow of a plurality of fluids, is able to stabilize the rotation of the rotating member and perform stable power generation.　The power generation device is equipped with a floating base 10 that is provided with a flow passage 11 through which a fluid flows, a rotating member 20 that is rotatably supported by a support part 1 provided upon the floating base 10 and rotates about an axis by means of the flow of the fluid through the flow passage 11, and a rotation transmitting mechanism 60 that transmits the rotation of the rotating member 20 to a power generation part 50 installed upon the floating base 10. On the inlet opening 11a side of the flow passage 11 in the floating base 10, a fluid introduction part 30 is formed that takes in wind and water as fluids from an intake opening 31 formed to have a larger opening area than the inlet opening 11a and causes the fluids to flow into the inlet opening 11a.

Resumen de: US2019233060A1

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: WO2019147983A1

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 buoys 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: WO2018054419A1

The invention relates to a unit, having a floating wind turbine (100), which has a floating foundation (10), and having a floating mooring buoy (20), which can be connected to the floating foundation (10) of the floating wind turbine (100) and which has at least one anchoring means (30) for anchoring the mooring buoy (20) to the bed of a body of water, characterized in that the floating foundation (10) of the floating wind turbine (100) has a hole (12) for holding the mooring buoy (20).

Resumen de: WO2019143282A1

A floating wind power platform (1) for offshore power production, comprising, a floating unit (2), wherein the floating unit comprises a first, a second and a third interconnected semisubmersible column (3a, 3b, 3c) each having a longitudinal column central axis (3a', 3b', 3c') and each being arranged in a respective corner of the floating unit (2), a first and second wind turbine (4a, 4b), arranged to the first and second semisubmersible columns (3a, 3b), respectively, via a first and second tower (5a, 5b) respectively, wherein the first and second towers (5a, 5b) have a first and second longitudinal tower central axis (5a', 5b'), respectively, whereinthe first and second semisubmersible columns (3a, 3b) are arranged in the floating unit (2) with a first and second angle (α1,α2) respectively, with respect to a referencedirection (z), and directed away from each other, wherein the first and second longitudinal tower central axes (5a', 5b') are parallel to the first and second longitudinal column central axes (3a', 3b'), respectively.

Resumen de: WO2019143283A1

A floating wind power platform (1) for offshore power production, comprising: a floating unit (2), wherein the floating unit comprises a first, a second and a third interconnected semisubmersible column (3a, 3b, 3c) each being arranged in a respective corner of the floating unit (2), wherein a tension leg device (6) is arranged to the third semisubmersible column (3c), wherein the tension leg device (6) is adapted to be anchored to the seabed (8) by an anchoring device (60), and wherein the third semisubmersible column (3c) provides a buoyancy force adapted to create a tension force in the tension leg device (6), wherein the floating wind power platform (1) is further adapted to weather vane in relation to the wind direction.

Resumen de: WO2019143282A1

A floating wind power platform (1) for offshore power production, comprising, a floating unit (2), wherein the floating unit comprises a first, a second and a third interconnected semisubmersible column (3a, 3b, 3c) each having a longitudinal column central axis (3a', 3b', 3c') and each being arranged in a respective corner of the floating unit (2), a first and second wind turbine (4a, 4b), arranged to the first and second semisubmersible columns (3a, 3b), respectively, via a first and second tower (5a, 5b) respectively, wherein the first and second towers (5a, 5b) have a first and second longitudinal tower central axis (5a', 5b'), respectively, whereinthe first and second semisubmersible columns (3a, 3b) are arranged in the floating unit (2) with a first and second angle (α1,α2) respectively, with respect to a referencedirection (z), and directed away from each other, wherein the first and second longitudinal tower central axes (5a', 5b') are parallel to the first and second longitudinal column central axes (3a', 3b'), respectively.

Resumen de: WO2019143282A1

A floating wind power platform (1) for offshore power production, comprising, a floating unit (2), wherein the floating unit comprises a first, a second and a third interconnected semisubmersible column (3a, 3b, 3c) each having a longitudinal column central axis (3a', 3b', 3c') and each being arranged in a respective corner of the floating unit (2), a first and second wind turbine (4a, 4b), arranged to the first and second semisubmersible columns (3a, 3b), respectively, via a first and second tower (5a, 5b) respectively, wherein the first and second towers (5a, 5b) have a first and second longitudinal tower central axis (5a', 5b'), respectively, whereinthe first and second semisubmersible columns (3a, 3b) are arranged in the floating unit (2) with a first and second angle (α1,α2) respectively, with respect to a referencedirection (z), and directed away from each other, wherein the first and second longitudinal tower central axes (5a', 5b') are parallel to the first and second longitudinal column central axes (3a', 3b'), respectively.

Resumen de: US2019217926A1

The invention relates to a unit, having a floating wind turbine, which has a floating foundation, and having a floating mooring buoy, which can be connected to the floating foundation of the floating wind turbine and which has at least one anchoring means for anchoring the mooring buoy to the bed of a body of water, characterized in that the floating foundation of the floating wind turbine has a hole for holding the mooring buoy.

Resumen de: US2019211804A1

The invention relates to a wind turbine comprising a floating base designed as a semi-submersible, a tower arranged on the floating base, at least two arms extending from the tower, a respective energy conversion unit arranged at the free end of each arm, and a cable system connecting the base to the energy conversion units and connecting the energy conversion units to one another in order to introduce the thrust forces acting on the tower, the arms and the energy conversion units into the base, wherein the cable system has a pre-tensioning, the value of which is greater than the loads to be expected during the operation of the wind turbine and acting against the pre-tensioning.

Resumen de: CN209041023U

The utility model provides an ocean wind energy, tidal current energy and magnetofluid integrated power generation device. The device comprises a floating type floating platform, anchor chains are arranged at four corners of the floating platform and fixed on the seabed; an extension rod is arranged in the middle of the floating platform and extends below the sea level; a power generation device based on wind energy, potential energy and magnetic fluid is arranged above the floating platform and is connected with a storage battery; a vertical shaft type tidal current energy power generation device is arranged on the extension rod and rotates around the rod; the blades of the vertical shaft type tidal current energy power generation device extend outwards in a rod form; a horizontal shaft tidal current energy power generation device is arranged at the end of the rod, a heaving device is arranged at the lowermost end of the extension rod, and electric energy converted by the vertical shaft tidal current energy power generation device, the horizontal shaft tidal current energy power generation device and the heaving device is conveyed into a storage battery on the floating platform along a line in the middle of the extension rod to be stored for standby application. According to the offshore wind power generation platform, energy existing on the sea is collected in a multidirectional and multi-way mode, a plurality of energy collecting devices are assembled into the offshore pow

Resumen de: EP3499024A1

The present invention describes a floating wind turbine (10) comprising:- a tower (2) extending axially along a longitudinal axis (Z) of the floating wind turbine (10),- a nacelle (3) and a rotor (5) attached to an upper end of the tower (2),- a floating foundation (8) attached to a bottom end of the tower (2).The floating foundation (8) includes at least a ballast tank (12a,b) for housing a fluid, the quantity of fluid inside the tank (12a,b) being variable for changing a tilt angle (a) between the longitudinal axis (Z) and a vertical direction.