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Near-shore floating wind turbine assembly base and method

Resumen de: GB2639974A

A floating wind turbine assembly base (FWTAB) consists of a modular wind turbine assembly platform (WTAP) 2 comprising a crane module 12 and at least one work module 14 for temporary storage of wind turbine components, and a modular floating hull assembly platform (FHAP) (4, Fig 10) comprising a crane module (12, Fig 10) and at least one work module (14, Fig 10) for temporary storage of floating platform hull components and a large floating mat (42, Fig 9). Each of the modules comprises a rectangular hull and a plurality of retractable legs 16 with each leg featuring a large-size footing (16B1, Fig 7A). A method for assembly of a floating offshore wind turbine comprises the FWTAB deployed at a near-shore site in shallow water and assembling a floating platform hull and lowering it into the water using the FHAP with the floating mat, then assembling and integrating a wind turbine with the floating platform hull using the WTAP.

ROTOR BLADE LANDING SYSTEM

Resumen de: EP4628725A1

The invention describes a landing system (1) for use in a rotor blade installation procedure, which landing system (1) comprises a guide arm (10); a mounting assembly configured to secure the guide arm (10) to the rotor blade (20) such that the guide arm (10) extends beyond the root end (20R) of the rotor blade (20); and a guide arm aperture (22A) formed in a reinforcing plate (221) of the pitch system (21) of that rotor blade (20), which guide arm aperture (22A) is dimensioned to allow the guide arm (10) to pass into the interior of the hub (21) during the rotor blade installation procedure. The invention further describes a method of installing a rotor blade (20) at the hub (21) of a wind turbine (2) using such a landing system (1).

A WIND TURBINE ROTOR BLADE WITH A TIP SECTION

Resumen de: EP4628724A1

A wind turbine rotor blade comprising• a root section defining a pitch axis,• a tip section including a blade tip and a chord line,• a blade length,• a leading edge,• a trailing edge, and• a local chord length measured between the leading edge and the trailing edge,• wherein a reference plane is defined such that it includes the pitch axis and such that the chord line is normal to the reference plane, characterised in that• in the tip section, the trailing edge is an essentially straight line arranged at an angle in a range of 0° to 20° with reference to the reference plane.

Recirculating inertial hydrodynamic pump and wave engine

Resumen de: GB2640093A

Embodiments disclosed herein include a buoyant wave energy converter. In an embodiment, the wave energy converter comprises an upper chamber having a first fluid reservoir and a first gas pocket, and a lower chamber having a second fluid reservoir and a second gas pocket. In an embodiment, an injection tube is between and fluidly coupled to the upper chamber and the lower chamber, where the injection tube is to impel a fluid from the second fluid reservoir into the first fluid reservoir when the upper chamber, the lower chamber and the injection tube oscillate about a waterline with the upper chamber adjacent to the waterline and the lower chamber submerged below the waterline and vertically beneath the upper chamber. In an embodiment, an effluent tube is fluidly coupled to the upper chamber and the lower chamber, where the effluent tube is to return the fluid from the first fluid reservoir to the second fluid reservoir.

PROPELLER

Resumen de: EP4628703A2

It is provided a method of manufacturing a propeller having a plurality of blades, each of the plurality of blades having an intake portion, an exhaust portion, and a tip portion extending from the intake portion to the exhaust portion, the method comprising: defining a plurality of parameter sections by selecting some of the parameters including skew angle, roll angle, rake, radius, pitch angle, vertical angle values defining a parameter section at the transition from the intake portion to the tip portion by parameters to cause the amount of non-axial lift in the tip portion to be greater than the axial lift in the tip portion defining parameter sections to include a roll value of 90 degrees in the tip portion and extrapolating between parameter sections to form smooth lines to form a blade configured to form a loop when attached to a hub.

FLOATING OFFSHORE STRUCTURE AND FLOATING OFFSHORE POWER GENERATION APPARATUS HAVING SAME

Resumen de: EP4628398A2

A floating offshore structure of the present disclosure includes: a plurality of columns; and a plurality of pontoons installed at lower ends of the columns, respectively, wherein a polygonal shape is formed by an imaginary line connecting the columns, the pontoons are installed inside the polygonal shape, a cross-sectional area in a direction parallel to sea level of the pontoons is greater than or equal to the cross-sectional area in the direction parallel to the sea level of the columns, and the pontoons may have a shape protruding outward at the lower ends of the columns.

COOLING OF COILS OF ELECTRICAL MACHINES

Resumen de: EP4629485A1

The present disclosure relates to coils (121), electrical machines (100) comprising coils (121), e.g. a wind turbine generator (42), and methods for cooling coils (121) of electrical machines (100) and for winding and/or electrically insulating (200) coils (121). An electrical machine (100) comprises a rotor (110) and a stator (120). At least one of the rotor (110) and the stator (120) comprises a plurality of teeth (119) and a plurality of coils (121), the coils (121) comprising strand (150) which is wound around the teeth (119) in layers (130, 131). A first axial end portion of a first layer (130) of at least one of the coils (121) is axially displaced (117) with respect to a first axial end portion of a second layer (131) of the coil (121).

A DEVICE FOR PATCHING WIND TURBINE BLADE SURFACE

Resumen de: AU2024220884A1

The invention relates to the wind turbines and wind turbine blades' maintenance devices, in particular, to the methods and devices for patching wind turbine blade surface. The claimed device comprises: a patching head, comprising: a frame enclosure open on one side; the frame enclosure having a patch placement area designed to be in the form of a UV-transparent membrane, configured to be substantially flat at least in its center and have a border that extends outward; the frame enclosure further comprising suction interface, configured to be applied to a surface of a wind turbine blade and to hold the frame enclosure in the place, in respect to the blade; a curtain with curtain holding arrangement. The curtain is designed to be UV-opaque and configured to be removably attached in front of the membrane, so to close the open side of the frame enclosure and to guard a patch from the ambient UV light exposure, when the patch is placed on the membrane. The frame enclosure further comprising a UV light source configured to expose a patch placed on the patch placement area to the UV light. The device further comprises a pump system, connected to the suction interface of the patching head; a robotic arm, designed to grip and position the patching head, to exert substantially perpendicular pressure onto the blade surface via the frame enclosure during activation of the vacuum pump system.

INSTALLATION OF SUBSEA RISERS

Resumen de: AU2023401279A1

A steep-configuration subsea riser is installed by supporting an elongate flexible riser element underwater with a portion of the riser element ascending from the seabed. The ascending portion of the riser element is captured in a guide formation of an anchoring support. The anchoring support is then moved to a final position on the seabed while the riser element remains captured by the guide formation. When in the final position, the anchoring support anchors the riser element in a steep configuration. The anchoring support is lowered to the riser element to capture the riser element and is further lowered to the final position after capturing the riser element. In this way, after installing the riser element in a lazy configuration, capturing the ascending portion of the riser element and moving the anchoring support to the final position, the riser element is reconfigured into a steep configuration.

CONTROLLING THE PITCH ANGLE OF A ROTOR BLADE OF A WIND TURBINE

Resumen de: WO2024114875A1

The invention provides a method for controlling a pitch angle of a rotor blade (6) of a wind turbine (1) with a hydraulic pitch actuator system (200). The method comprises a step of receiving a current pitch signal of the rotor blade (6) and a pitch reference signal indicating a desired pitch angle for the rotor blade (6), a step of receiving an operating parameter signal (63) from the hydraulic pitch actuator system (200), a step of generating a feedback signal based on the operating parameter signal (63), a step of using a gain scheduler (150) to provide a variable feedback gain, a step of generating a damping signal based on the feedback signal and the variable feedback gain, a step of generating a pitch control command based on a difference between the current pitch signal and the pitch reference signal, and on the damping signal, and a step of sending the pitch control command to the hydraulic pitch actuator system (200).

BASE ELEMENTS AND EDGE ELEMENTS FOR WIND TURBINE BLADE SECTIONS

Resumen de: WO2024115703A1

The present disclosure relates to a wind turbine blade section comprising a base and an edge element. The base is made of fiber reinforced composite material and comprises a suction surface, a pressure surface and at least one outer surface portion between the suction surface and the pressure surface and comprising a first base positioning feature. The edge element comprises an inner surface including a first edge positioning feature. The first edge positioning feature is configured to engage with the first base positioning feature and the edge element is configured to be joined to the suction surface and/or to the pressure surface of the base.

PROCESS OF ANCHORING A FLOATING PLATFORM ON A ROCKY SEABED

Resumen de: WO2024115444A1

Process of anchoring a floating platform on a rocky seabed, comprising: - providing a trench portion (20) in the seabed, - installing an anchor structure (22) in the trench portion, comprising a steel reinforcement cage (34) extending in a longitudinal direction (L), and a chain supporting system (36) fixed to the reinforcement cage and including at least one plate (38), - connecting a mooring chain (26) to the chain supporting system, - injecting grout (24) in the trench portion, the reinforcement cage and the chain supporting system being at least partly surrounded by the injected grout, - after curing of the injected grout, connecting the mooring chain to the platform. Corresponding anchoring system.

INSULATED LIGHTNING TRANSMISSION SYSTEM FOR WIND TURBINE BLADES

Resumen de: WO2024160410A1

A wind turbine blade (100) comprising a lightning transmission system for the transmission of lightning current through the wind turbine blade (100). The lightning transmission system comprises one or more lightning receptors (20), a down conductor (1) electrically connected to each of the one or more lightning receptors (20) and extending along an interior of the wind turbine blade (100), and a first conductor element (4) proximate a base portion (6) of the wind turbine blade (100). The first conductor element (4) is electrically connected to the down conductor (1) and extends through a surface of the blade (100) between an interior and exterior of the blade wall (10). The first conductor element (4) comprises an electrically insulating element (45) that configures the first conductor element (4) to be electrically insulated from the blade wall (10). The dielectric strength of the electrically insulating element (45) is greater than the dielectric strength of the blade wall (10) at the location through which the first conductor element (4) extends.

METHOD FOR TRANSPORTING HYDROGEN FROM A FLOATING WIND TURBINE TO A WATER VEHICLE

Resumen de: WO2024115474A1

The aim of the invention is to transport energy produced in an environmentally friendly manner by means of an offshore wind turbine to land in a simple and reliable manner. This is achieved by a method (100) for transporting hydrogen from a floating wind turbine (10) to a water vehicle (11), wherein hydrogen is provided in a storage tank (31) of a floating wind turbine (10), and a water vehicle (11) with a transport tank (36) is positioned by the floating wind turbine (10). The hydrogen is transported from the storage tank (31) to the transport tank (36) using a line (35) which is designed to transport the hydrogen.

A ROBOTIC METHOD FOR INTRODUCING A SOLIDIFYING SUBSTANCE INTO THE INNER CAVITY OF WIND TURBINE BLADES

Resumen de: WO2024172637A1

The invention relates to the wind turbines and wind turbine blades' maintenance devices, in particular, to the methods and devices for introducing a solidifying substance into the inner cavity of wind turbine blades. The method for introducing a solidifying substance into an inner cavity of a wind turbine blade, the method comprising the following steps: (i) drilling coaxial apertures in a wind turbine blade opposite walls by a filing means comprising a drilling means, a rod and a core fixed together, wherein the core is provided with a channel and one or more apertures connected with the channel and designed to allow supply of a liquid or semiliquid solidifying material through the channel and the apertures; wherein the rod is made from the same material as the wind turbine blade, or a material having equivalent properties; (ii) pushing out the drilling means through the created apertures so that the apertures in the core part of the filling means are located in the inner cavity of the blade; (iii) supplying a solidifying substance in the liquid or semiliquid form into the inner cavity of the blade through the channel and aperture or apertures of the core part of the filling means; (iv) partially pulling or pushing out the filling means so that only the rod part of the filling means remains within the inner cavity of the blade; (v) cutting away the ends of the rod of the filling means from the outer sides of the wind turbine blade, so that the rod part of the filling means r

SYSTEM AND METHOD FOR OPERATING AN INVERTER-BASED RESOURCE IN GRID-FORMING MODE (GFM) FOR ENHANCED STABILITY

Resumen de: CN120380675A

A method for operating a renewable energy source having an inverter-based resource (IBR) system connected to a power grid, the method comprising: operating the IBR system as a virtual synchronous machine (VSM) in a grid formation mode (GFM) control; deriving a power error signal (PERR) between an actual real power output (Pfbk) and a power reference (Pref) from the IBR system; using a power error signal (PERR) to generate a power angle command signal received by the voltage regulator with the inertial power regulator; generating, with a voltage regulator, an x-direction current command (IRCmdx) signal and a y-direction current command (IRCmdy) signal, both the x-direction current command (IRCmdx) signal and the y-direction current command (IRCmdy) signal being received by a current regulator; and generating and adding an incremental x-direction current (delta IRx) component to the (IRCmdx) signal.

SYSTEM AND METHOD FOR OPERATING AN INVERTER-BASED RESOURCE IN GRID-FORMING MODE (GFM) FOR ENHANCED STABILITY DURING A TRANSIENT GRID POWER EVENT

Resumen de: CN120303850A

A method for operating a renewable energy source having an inverter-based resource (IBR) system connected to a power grid, the method comprising: operating the IBR system as a virtual synchronous machine (VSM) under grid formation mode (GFM) control; deriving a power error signal (Perr) between a real power output (Pfbk) and a power reference (Pref) from the IBR system; generating an internal frequency signal (omega 1) using the power error signal (Perr) using an inertial power regulator having an integral characteristic, the internal frequency signal being used to generate a phase shifted signal (delta IT) applied to a power angle command signal used by an inverter controller in the IBR system; and generating a compensation signal for modifying the internal frequency signal (omega 1) or the phase shift signal (delta IT) based on the power error signal (Perr) via a control function having at least one of proportional, differential or washout characteristics.

ELECTRIC VEHICLE CHARGEABLE BY WIND ENERGY

Resumen de: EP4628347A1

The present invention provides an electric vehicle chargeable by wind energy, enabling travel using electricity generated by wind power generation. The electric vehicle includes an air inlet 110 that is formed on the front of the electric vehicle 10 traveled by rotating a wheel 12 by an electric motor 11 to allow wind to flow in during traveling, a turbine 120 that is formed at a rear end of the air inlet 110 and rotated by wind power, a power generation unit 130 that includes a rotor 131 coupled to a rotating shaft 121 extended from the turbine 120 and a stator 132 disposed in a ring shape on the outside of the rotor 131 and generates power by rotation of the rotor 131, a power supply unit 140 that converts power from the power generation unit 130 into a chargeable voltage to charge a battery 141 and supplies a driving voltage from the battery 141 to the electric motor 11, and a controller 150 that electrically connects the battery 141 and the electric motor 11 through an electrical system and controls charging from the power generation unit 130 to the battery 141.

PERMANENT MAGNET MOTOR

Resumen de: WO2024130235A1

A permanent magnet motor is disclosed. The motor may include: a permanent magnet rotor placed on a shaft having magnetic disks at the ends of the shaft. The magnetic disks may be disposed at the shaft ends and may be facing two fixed driver magnets of opposing polarity. The driver magnets may also serve as core for electromagnets. The magnetic interactions of the magnetic disks and the driver magnets leads to a spontaneous acceleration of the rotor. The rotor magnet may spin inside a stator having windings for generating alternating current (AC) electricity. The AC electricity after rectification may be fed back to the two electromagnets generating exponentially increasing magnetic fields and revolutions for the rotor. A load circuit may regulate the rotation speed of the rotor.

DUAL DRUM TENSION-CONTROLLED WINCH SYSTEMS AND METHODS OF OPERATING THE SAME

Resumen de: WO2024118989A1

A rigging system for loading and unloading a cargo aircraft includes a front portion inside the aircraft and a rear portion outside, the portions being separable at one or more break locations therebetween. A rope extends from a first winch in the rear portion, to a turn-around sheave within the aircraft, and back to a second winch in the rear portion. The rope includes connections enabling separation of opposing sides of the loop at the break. When disconnected, a first rope length remains with the front portion and second and third rope lengths remain attached the first and second winches respectively. When connected, the winches operate to payout one side of the loop while another side is taken in, with cargo being advanced into or out of the aircraft depending on which side of the rope the cargo is coupled to, with the winches maintaining tension in the entire loop.

WIND TURBINE BLADES, METHODS AND INSPECTION DEVICES

Resumen de: EP4628727A1

The present disclosure relates to wind turbine blades (10) comprising an inspection device (30) for inspecting an inside of the wind turbine blade (10), to methods (100) for mounting an inspection device (30) in a wind turbine blade shell (24, 26) and to methods (200) for inspecting an inside of a wind turbine blade (10). The present disclosure further relates to inspection devices (30). A wind turbine blade (10) comprises a shell (24, 26) having a hole and comprises an inspection device (30). The inspection device (30) comprises a housing (31) arranged at least partially in the hole. The inspection device (30) further comprises an image acquisition system (36) arranged at a longitudinal end portion (43) of the housing (31) having a field of view of at least a portion of an inside of the wind turbine blade (10).

WIND TURBINE ASSEMBLY SYSTEM AND RELATED ASSEMBLY METHOD

Resumen de: EP4628726A1

The present invention can be included in the technical field of the wind turbine assembly systems, wherein the wind turbine assembly system of the present invention proposes an alternative to assembly systems using climbing cranes that install the tower sections sequentially as they climb on the previous section already in place, being an additional object of the invention an assembly method for a wind turbine.

LEADING EDGE PROTECTION (LEP) COATING COMPOSITION AND USES THEREOF

Resumen de: EP4628520A1

The current invention relates to a Leading Edge Protection (LEP) coating composition characterized by comprising a curable polyurethane material, wherein said polyurethane material is a solvent-free two component polyurethane material comprising: Component A comprising at least 10% by weight of biobased carbon polycarbonate diol in respect of the total weight of Component A, calculated according to method C14 using ASTM D6866; and one or more additives wherein the total quantity of additives is in the range of 5-15% by weight in the respect of the weight of the total Component A; and Component B comprising an aliphatic isocyanate with an isocyanate (-NCO) content between 10 - 25%; and uses thereof.

METHOD FOR PRODUCING A WIND TURBINE ROTOR BLADE

Resumen de: EP4628288A1

Es wird ein Verfahren zum Herstellen eines Windenergieanlagen-Rotorblattes (200) vorgesehen. Das Verfahren weist folgende Schritte auf: Herstellen einer Holmgurteinheit (300) mit einem ersten und zweiten Ende und einer ersten und zweiten Seite, Herstellen einer Rotorblattschale (210) mit einer Längsrichtung (L), wobei die Holmgurteinheit (300) in eine Rotorblattform platziert wird und die Rotorblattschale (210) um bzw. an der Holmgurteinheit (300) platziert ist, Durchführen einer Vakuum-Matrixinfusion mit der Rotorblattschale (210) und der Holmgurteinheit (300). Das Herstellen der Holmgurteinheit weist ein Einlegen von mindestens zwei Keilen (310) an gegenüberliegenden Seiten einer Holmgurtform, ein Einlegen von Faserlagen (320a), insbesondere von Fasermatten, zumindest teilweise über die nach innen weisenden Enden der Keile (310), ein Durchführen einer Vakuum-Matrixinfusion mit den Keilen (310) und der Mehrzahl von Faserlagen (320a) und ein Aushärten der harzgetränkten Holmgurteinheit (300) auf.

Wind turbine with a vertical, coaxial screw intake

Nº publicación: PL448167A1 06/10/2025

Solicitante:

POLITECHNIKA POZNANSKA [PL]
POLITECHNIKA POZNA\u0143SKA

Resumen de: PL448167A1

Przedmiotem zgłoszenia jest turbina wiatrowa z pionową, współosiową czerpnią śrubową. Stanowią ją cztery łopaty helikoidalne (1) umieszczone trwale na zewnętrznym wale obrotowym (2) z umieszczonym w nim wewnętrznym wale śrubowym (3) zwieńczonym u góry kopułą (4) z kanałami powietrznymi (5) i kanałami dolotowymi powietrza (6) połączonymi z wewnętrznym kanałem powietrznym (7), przy czym wewnątrz zewnętrznego wału obrotowego (2), umieszczony jest wewnętrzny wał śrubowy (3), który obraca się w przeciwnym kierunku obrotu, względem kierunku obrotu zewnętrznego wału obrotowego (2).