Resumen de: WO2023046586A1

A floating platform for a wind turbine comprising a vertically arranged support; a toroidal body arranged horizontally and coaxially around said support; a plurality of connection elements which extends radially to connect the support to the toroidal body, wherein at least one of the support, the toroidal body and the connection elements is made of a natural fibre reinforced composite material and all elements can be adhesively bonded to each other; a system using said platform and combining wind-powered hydrolysis and green hydrogen production and storage is also described.

Resumen de: WO2023046507A1

It is described a method of controlling plural offshore wind turbines regarding a mechanical oscillation damping action, the method comprising: obtaining wave characteristic information (3) indicating a characteristic of at least one sea wave; obtaining wind turbine operational state information (5) of the plural wind turbines; obtaining wind characteristic information (7); controlling the wind turbines regarding the damping action based on the wave characteristic information (3) and/or the wind turbine operational state information (5) of the plural wind turbines and/or the wind characteristic information (7) in particular such that a power oscillation of a total power output of the wind park is reduced.

Resumen de: WO2023046506A1

It is described a method of controlling plural wind turbines (2a,b,c) regarding a mechanical oscillation damping action, the method comprising: obtaining for at least one, in particular each, wind turbine (2a,b,c) an oscillation damping power portion (11a,b,c), the oscillation damping power portion being determined to dampen at least one mechanical oscillation related to the respective wind turbine; computing a correlation related value (15, 44a,b,c) of the oscillation damping power portion with a comparison power output (8, 12) related to the wind park (1); and adapting (13a,b,c) the oscillation damping power portion (11a,b,c) for at least one, in particular each, wind turbine based on the correlation related value (15, 44a,b,c).

Resumen de: AU2021327133A1

A method and an installation facility for assembling a plurality of floating wind turbines (12). The method comprising establishing an installation facility by arranging an installation vessel (1), having a crane (4), at a sheltered place, mooring a barge (2) next to said vessel (1 ). Further transporting a plurality of turbine blades (6), a plurality of tower sections (8) and a plurality of nacelles (10) to said installation facility, lifting of these parts onto said installation facility. Further towing a first floating wind turbine foundation (11 a) to said installation facility, erecting a tower (8a) on said first foundation (11 a) by assembling a set of said tower sections (8), installing a nacelle (10) on top of said tower (8a), installing a set of turbine blades (6) onto said nacelle (10) to make a completed wind turbine (12a), and finally towing said first wind turbine (12a) away.

Resumen de: US2023094997A1

Wind turbine blade having a length L, an airfoil with a chord C, and a first Gurney flap attached to the pressure or the suction surface of the airfoil near the trailing edge of the wind turbine blade. The first Gurney flap extends along at least 50% of the length of the outer 1⁄3rd of the wind turbine blade. By mounting the Gurney flap to the outer portion of the blade, the lift of the outer portion of the blade can be increased or decreased depending on the conditions in which the wind turbine is operating.

Resumen de: US2023100321A1

A method for computer-implemented controlling of wind turbines in a wind farm is provided. The wind farm includes an upstream first and a downstream second wind turbines, wherein the following steps are performed: i) obtaining environmental data and stress data of the first wind turbine, the environmental data and the stress data being taken; ii) determining a status information indicating whether or not a predetermined event is present at the time of taking the data, wherein the predetermined event requires immediate controlling of the first wind turbine; iii) broadcasting a message which contains environmental data and a timestamp as event information; iv) evaluating the event information whether or not the predetermined event at the first wind turbine will hit the second wind turbine; v) generating a control command for controlling the second wind turbine in case the evaluation holds that the predetermined event will hit the second wind turbine.

Resumen de: US2023102928A1

A generator for a direct driven wind turbine configured to convert kinetic energy of a main shaft of the wind turbine into electrical energy. The generator includes a generator rotor connectable to the main shaft of the wind turbine and a generator stator, the generator includes a generator housing on which the generator stator is arranged. The generator housing includes a front side facing towards a rotor head of the wind turbine in an installed state of the generator and a rear side facing away from the rotor head in the installed state of the generator. The generator includes at least one front generator bearing arranged at the front of the generator housing and a rear generator bearing arranged at the rear of the generator housing.

Resumen de: US2023101916A1

A power generation device includes a first generator connected to a prime mover, a second generator connected to the prime mover, a first DCDC converter connected to the first generator, and a second DCDC converter connected to the second generator.

Resumen de: US2023101634A1

A stator assembly, an electrical motor having the stator assembly, a wind power generator set and a method for cooling a stator assembly are provided. The stator assembly includes a stator support and a stator core mounted on the stator support, wherein the stator support includes a support enclosure plate, a first axial air flow channel is fonned between the support enclosure plate of the stator support and a radial side surface of the stator core, and the first axial air flow channel is used for receiving a first cold air flow, so that the cold air flow can flow in the axial direction. The stator assembly can introduce a cold air flow from the other side, opposite an air gap, of a stator during the operation of an electrical motor, so that two radial sides of the stator can be cooled at the same time.

Resumen de: US2023101355A1

A transportation vehicle may be equipped with electrical energy harvesting systems to harvest electrical energy for use. By way of example, in the transportation vehicle, a Venturi system may be used to receive an air flow and the speed of the air flow increase in a constricted area of the Venturi system, the air flow containing a large amount of kinetic energy. A plurality of electrical energy harvesting systems is disposed in the Venturi system and is configured to convert the kinetic energy contained in the accelerated air flow into electrical energy that can be used to power on-board electronics as well as one or more on-board batteries in the transportation vehicle, as the transportation vehicle is in motion.

Resumen de: US2023101040A1

This composite-material blade formed by using a fiber-reinforced resin containing a resin and reinforcing fibers is provided with: a base material part provided on the inner surface of the composite-material blade; and a first cover part for covering the outer surface of the base material part. The base material part is formed by using a carbon fiber-reinforced resin containing a first resin and carbon fibers. The first cover part is formed from an elastic polymer fiber-reinforced resin containing a second resin and elastic polymer fibers, and has more resistance to impact than the base material part.

Resumen de: WO2023046145A1

A portable bladeless fan (100), comprising: a housing (1), the rear side of the housing being provided with an air intake portion (11), the front side of the housing being provided with an air discharge portion (12), and the air intake portion (11) and the air discharge portion (12) communicating in the housing (1); a mixed flow fan (2), which is provided in the housing (1) and rotates around a rotating shaft (212) to generate an airflow; a pressing member (3), which is connected to a front side portion of the housing (1) and is located at the front side of the mixed flow fan (2), the pressing member (3) comprising a pressing base (31) and multiple second blades (32).

Resumen de: WO2023046025A1

The present invention relates to a pressurization and oxygen supplementation modular residential complex in a high-altitude area. The complex uses a modular design and comprises module units, i.e., several standard compartments, a connecting node compartment, a connecting walkway compartment, a transition compartment, an equipment compartment, a sewage collecting compartment and a large-span space, wherein each module unit can be subjected to free assembly and any functional expansion in a plane direction and a vertical direction; the standard compartments are used for meeting a plurality of functional scenario requirements; the connecting node compartment and the connecting walkway compartment are used for spatial communication and personnel traffic between the standard compartments, between the standard compartment and the transition compartment and between the standard compartment and the large-span space; the transition compartment is used for indoor and outdoor pressure transition and personnel in-out of the complex; an intelligent pressurization and oxygen supplementation system is arranged in the equipment compartment; the sewage collecting compartment is used for collecting and treating sewage in the complex; and the large-span space is used for multicrowd large meetings, large gatherings and sports. The present invention meets the design requirements of a larger spatial scale, a higher pressurization capability, more residential functions, and lower cost operation.

Resumen de: WO2023045469A1

A power grid frequency detection method, an apparatus, a power grid frequency adjustment method, and an apparatus. The power grid frequency detection method comprises: transforming a collected three phase voltage of a grid connection point to a two phase voltage (S101); performing transformation on the two phase voltage on the basis of a phase of a specified frequency, and obtaining a voltage negative sequence component and a voltage positive sequence component to be decoupled (S102); performing decoupling on the voltage negative sequence component and the voltage positive sequence component to be decoupled on the basis of said phase, performing filtering on the decoupled voltage positive sequence component, and obtaining a voltage positive sequence fundamental component (S103); performing inverse transformation on the voltage positive sequence fundamental component on the basis of said phase, and obtaining a set of orthogonal voltage components in a two phase stationary coordinate system (S104); obtaining a phase of the power grid on the basis of the set of orthogonal voltage components (S105); and obtaining a frequency of the power grid on the basis of the phase of the power grid (S106).

Resumen de: WO2023045272A1

A wind-storage combined frequency regulation method and a wind-storage combined frequency regulation apparatus. The wind-storage combined frequency regulation method comprises: determining a power increment that needs to be provided by a wind-storage combined system; determining whether a rotor of a wind turbine is controllable; in response to the rotor being controllable, generating a first power increment by means of a first feedforward-feedback control mode on the basis of the determined power increment; generating a second power increment on the basis of the determined power increment while controlling the rotor; and generating a third power increment by means of a second feedforward-feedback control mode on the basis of the determined power increment.

Resumen de: WO2023045294A1

A support apparatus for a shaft system. The shaft system comprises a first shaft (1), a second shaft (2), and a bearing (3) arranged between the first shaft (1) and the second shaft (2); the first shaft (1) is sleeved at an outer peripheral side of the second shaft (2) and is able to rotate relative to the second shaft (2) by means of the bearing (3). The support apparatus is used for arranging at a first end in an axial direction of the shaft system, and the support apparatus comprises: shaft end support members (8, 15), at least a portion of the shaft end support members (8, 15) being rotatably supported in an axial direction at an outer side of a shaft end face of a first end of the second shaft (2); and connection assemblies (17, 14), where the connection assemblies (17, 14) in the axial direction of the shaft system are used for being connected between a first end of the first shaft (1) and the shaft end support members (8, 15). Further disclosed is a wind turbine. The present support apparatus may enable a bearing of a shaft system to essentially not bear a load or reduce an axial load borne, and the service life of the bearing is prolonged.

Resumen de: WO2023045121A1

A power control method for a wind generating set, comprising: acquiring an ambient temperature, rotational speed, and pitch angle of the wind generating set during running (S101); determining electrical boundary power of the wind generating set according to the ambient temperature and the rotational speed (S102); determining stall boundary power of the wind generating set according to the ambient temperature, the rotational speed, and the pitch angle (S103); determining set power of the wind generating set according to the electrical boundary power and the stall boundary power of the wind generating set (S104); and controlling output of the wind generating set according to the set power (S105). The set power of the set is adjusted according to the ambient temperature, the electric generating capacity is improved when the temperature is low, and the safety of the set is ensured when the temperature is high, thereby improving the competence of the set. Also involved are a power control device for a wind generating set, a computer readable storage medium, a computing device, and a computer program product.

Resumen de: WO2023045157A1

A tower tube section (100). The tower tube section (100) comprises: a tube section base body (10), comprising two or more tower tube pieces (11) successively distributed along the circumferential direction of the tube section base body (10); and a connecting assembly (20), in the circumferential direction, two adjacent tower tube pieces (11) being connected by means of the connecting assembly (20). The connecting assembly (20) comprises a first connecting member (21) and a second connecting member (22); the first connecting member (21) is located inside one of two adjacent tower tube pieces (11), and the second connecting member (22) is at least partially located inside the other of the two adjacent tower tube pieces (11); the first connecting member (21) comprises an adapter portion (211) and an anchoring portion (212); the adapter portion (211) is connected to the second connecting member (22), and the anchoring portion (212) is connected to one side of the adapter portion (211) facing away from the second connecting member (22). A tower frame (1) comprises two or more tower tube sections (100) connected to each other. A wind turbine generator set comprises the tower frame (1). Disclosed are a mold (5) for manufacturing the tower tube section (100) and a method for manufacturing the tower tube section (100) using the mold (5).

Resumen de: WO2023045706A1

Provided in the present invention is a control device for a gearbox, the control device comprising: a sensor module, a differential, a clutch, a brake, and a control module, wherein the control module is configured to actuate, when a system oil pressure is below a system oil pressure threshold, a brake caliper to clamp a brake disc and release the clutch, and is configured to release the brake caliper and close the clutch when the system oil pressure is above the system oil pressure threshold. Different rotation speed ratios of a mechanical pump are obtained by means of combined control of the clutch, the differential and the brake, so that the mechanical pump can have different flows under different operating conditions. Therefore, lubrication requirements of a rated operating condition and a special operating condition are both taken into consideration, and insufficient lubrication under low-speed and/or low-temperature conditions, and excessive oil under the rated operating condition are avoided.

Resumen de: WO2023045705A1

The present invention provides a control device for a gearbox. The gearbox comprises a mechanical pump and an electric pump. The mechanical pump has a first-stage displacement and a second-stage displacement, and the first-stage displacement is less than the second-stage displacement. The control device comprises: a sensor module used for detecting the oil pressure of a lubricating oil of the gearbox; and a mechanical pump control module used for, when the oil pressure is above an oil pressure threshold, controlling the mechanical pump to operate at the first-stage displacement, and when the oil pressure is below the oil pressure threshold, controlling the mechanical pump to operate at the second-stage displacement. By using a mechanical pump having two-stage displacement, different displacements are applied in different working conditions; thus, lubrication requirements in both rated working conditions and special working conditions are taken into account, thereby avoiding insufficient lubrication in low-speed and/or low-temperature conditions, and excessive oil in rated working conditions.

Resumen de: WO2023049411A1

A system for increasing power capture comprising a turbine having a rotor, a generator having a rated power limit, and an energy storage system, wherein the rotor generates a super-rated power above the rated power limit of the generator and the super-rated power is stored in the energy storage system before the generator converts the super-rated power into electric power.

Resumen de: WO2023045096A1

The present application belongs to the technical field of wind power generation, and discloses a tower clearance monitoring method and apparatus for a wind turbine, and a system therefor. The method comprises: acquiring measurement data generated by a laser distance measuring device, wherein the laser distance measuring device is arranged on a nacelle housing of a wind turbine, and is used to emit N laser beams and generate measurement data corresponding to the N laser beams, the measurement data comprising distance measurement data; on the basis of the distance measurement data and the blade length of blades of the wind turbine, determining an unshielded laser beam comprising a laser beam that is not shielded by blades and towers; according to information of the unshielded laser beam and a reference clearance value, determining whether a current clearance value is less than the reference clearance value; and when the current clearance value is less than the reference clearance value, issuing a clearance warning signal. According to embodiments of the present application, the safety of the wind turbine may be improved.

Resumen de: WO2023045104A1

Provided in the present disclosure are an offshore tower mooring foundation and a wind turbine generator set. The offshore tower mooring foundation comprises a tower foundation for supporting a tower, a fixing base for being fixed to the seabed, and an adapter device, which is connected to the tower foundation and the fixing base, wherein the adapter device is provided with a pivot shaft, and the adapter device comprises an adapter frame, such that the adapter frame can rotate around the pivot shaft; and the tower foundation is connected to the adapter frame, so as to rotate around the pivot shaft along with the adapter frame. The fixing base is fixed to the seabed, such that the tower foundation connected thereto can be prevented from freely drifting out of control, which results in same colliding with other components, thereby improving the safety and reliability of the offshore tower mooring foundation.

Resumen de: US2023095783A1

The present application relates to a generator comprising: a stator, a rotor, in particular having a rotor band, and a heat pipe assembly which is thermally connected to the rotor in order to conduct heat which is generated by the rotor, in particular during operation of the generator.

Resumen de: US2023099070A1

A wind turbine has a bearing housing, a rolling element bearing within the bearing housing and a space within the bearing housing for containing grease for lubricating the rolling element bearing. A shaft is rotatably supported by the rolling element bearing. A pressure sensor in fluid communication with the space measures the pressure of grease in the space within the bearing housing.