1329results about "Wind motor combinations" patented technology

The invention discloses a deep and far sea wind power foundation platform and load integrated system under extreme environment conditions, and belongs to the technical field of offshore wind power platforms. The system comprises a basic platform body, a multi-dimensional monitoring subsystem, an environment-load coupling analysis subsystem, an intelligent regulation and control execution subsystem, a safety early warning decision subsystem and a shore-based collaborative management subsystem. Through synchronous acquisition of extreme marine environment, basic platform structure load and operation state data, distributed multi-type sensor layout and high-frequency sampling, data acquisition comprehensiveness and timeliness are realized, monitoring data are fused, a coupling model is constructed, 24-hour load change is predicted, and the real-time performance of the system is improved. According to the method, the attitude of the platform is dynamically adjusted, bearing configuration is optimized, emergency protection is started, the limitation of traditional separation analysis and fixed regulation and control is broken through, and the risk disposal and operation and maintenance efficiency is improved through risk quantification and grading early warning, remote monitoring and intelligent scheduling of a shore-based collaborative management subsystem and four-level early warning accurate matching coping strategies.

The invention discloses a strong anti-overturning power generation device and method based on wind wave combined capture, and the device comprises a four-column type semi-submersible fan platform and a wind driven generator located above the four-column type semi-submersible fan platform, and the four-column type semi-submersible fan platform comprises hollow columns. The bottom of the hollow stand column is fixedly connected with the bottom of the outer side stand column through a horizontal column, a floating wave energy absorption system is arranged on the outer side of the outer side stand column, and the output end of the floating wave energy absorption system is connected with the input end of a power generator system through a bevel gear power generation system in the hollow stand column. One end of the floating wave energy absorption system is connected with the spring system in the hollow stand column; the core technical problems that an existing device is poor in stability, high in cost, low in efficiency, weak in adaptability and the like are solved.

The present application relates to the field of wind power generation technology, and discloses a ducted double turbocharged windmill, which comprises a duct and a blade type rotating structure arranged in the duct. The duct comprises a first contraction section, a first straight section, a second contraction section and a second straight section in sequence along the wind direction, and the diameter of the first straight section is greater than that of the second straight section. The blade type rotating structure comprises a rotating shaft, a primary turbine and a secondary turbine arranged on the rotating shaft, the primary turbine and the secondary turbine are arranged in the first straight section and the second straight section respectively, and the rotating shaft is connected with a generator through a transmission structure. The present application improves the structure of the blade type rotating structure and the duct, and realizes that the turbine fan at the front end drives the turbine fan at the rear end to rotate, so as to improve the wind energy utilization rate.

The invention relates to a transmission device, a transmission system, a wind generating set and a maintenance method, the transmission device comprises a shafting assembly and an interference magnitude adjusting device, the shafting assembly comprises a main shaft and a bearing, the bearing is arranged around the main shaft, an inner ring of the bearing is in interference fit with the main shaft, and the main shaft is provided with a hollow cavity. The interference magnitude adjusting device is arranged in the hollow cavity and used for applying acting force to the inner wall face, defined by the main shaft, of the hollow cavity, so that the main shaft deforms to adjust the interference fit amount between the main shaft and the inner ring of the bearing. The bearing ring running probability can be reduced, and the power generation benefit of the wind generating set is guaranteed.

The invention belongs to the technical field of wind power generation, and particularly discloses a wind energy directional rectifier which comprises a body and at least one airflow channel, the body is provided with at least one airflow channel in the extending direction of the central axis, and the body and the airflow channels are each of a streamline gradual change structure and have the same gradual change direction. Comprising a device for converting the wind energy rectified by the wind energy directional rectifier into mechanical kinetic energy to drive a generator to generate electricity. Wind energy in different directions is collected through the wind energy directional rectifier and then converged together to become high-speed jet flow consistent in direction and stable in flow speed, then the high-speed jet flow is converted into mechanical kinetic energy through the power conversion structure, finally the generator is driven to generate electricity, the wind energy utilization efficiency of the wind power conversion device is effectively improved, and the wind energy utilization efficiency is improved. The power generation efficiency of the wind-power conversion device is improved.

According to the fault early warning system for the wind power booster station provided by the invention, the limitation of traditional single-point monitoring is broken through by fusing the infrared ultrasonic technology and the ultrahigh frequency technology through the non-contact sensor, so that the early fault detection rate is greatly improved; the composite heat dissipation system suppresses the temperature rise of a transformer hot spot based on a dynamic heat management mechanism of a phase change material and a heat pipe, and the energy-saving efficiency is improved; the edge calculation early warning center converts temperature, partial discharge, strain and other multi-source heterogeneous data into a unified health degree index through a weighted fusion algorithm, and in combination with an equipment topology correlation analysis model, the positioning accuracy of a fault source is greatly improved, and the early warning response time delay is greatly reduced.

The invention discloses a high-altitude wind power generation system which comprises a main air bag extending in the front-back direction, and the peripheral face of the main air bag is a rotary face; the ring wing sleeves the radial outer side of the main air bag and is spaced from the main air bag, and a duct space is formed between the inner wall of the ring wing and the outer wall of the main air bag; the first supporting frame and the second supporting frame are sequentially arranged on the radial outer side of the main air bag in a sleeving mode in the axial direction of the main air bag; the wind power assembly is mounted on the first supporting frame; the first supporting frame comprises a plurality of supporting units, an annular supporting frame with an inner ring and an outer ring is defined by the multiple supporting units, the annular supporting frame comprises ducts formed between the adjacent supporting units, and the wind power assembly is installed in the ducts; the second supporting frame is of an annular grid truss structure and comprises a main body frame and truss rod pieces assembled in the main body frame through truss nodes, and the truss rod pieces and the truss nodes are modularly expanded to form the grid truss structure.

The invention discloses a wind turbine group wake flow control method based on radar wind measurement, and the method comprises the following steps: S1, radar wind measurement: installing laser wind measurement radars on cabins of an upstream wind turbine generator and a downstream wind turbine generator, and enabling the laser wind measurement radars to collect wind direction data in real time; and S2, multi-machine radar data fusion and whole wind flow field reconstruction are carried out, radar wind measurement data of upstream and downstream wind turbine generators are synchronously collected, a three-dimensional wind flow field of a wind direction area of the wind power plant is reconstructed, and the three-dimensional wind flow field outputs whole-field unified wind field indexes as wake flow model input data. The method has the advantage of being good in control effect, and solves the problems that when wake flow of an existing wind turbine group is controlled, self-adaptive adjustment is inconvenient to carry out on upstream and downstream wind turbine units according to radar wind measurement data, so that upstream and downstream fans are lack of cooperation, the wake flow control efficiency is affected, and the power generation benefits of the upstream and downstream fan groups are reduced.

A carousel lifting tower may facilitate assembly of a wind turbine generator (WTG) and other constructs. In one example, the carousel lifting tower includes a tower, which may be positioned in an upwardly angled orientation, and which may define a tower axis. In the example, the carousel lifting tower further includes a lift frame, which may be movably mounted on the tower to allow translation of the lift frame along the tower axis. Additionally, in the example, the carousel lifting tower includes a carousel coupled to the lift frame. The carousel may rotate about the tower axis. Moreover, in the example, the carousel lifting tower includes a load handler on the carousel. The load handler may releasably engage with a component to be lifted.

The integrated hybrid system for managing the production, flow, consumption and storage of energy is characterised in that it comprises a cryogenic liquefied air energy storage (7), to which, either upstream and / or downstream of the compressor, an system for transporting oxygen (D) obtained from the electrolyzer (11) is connected, while an system supplying heat (B) obtained during combustion of gas in the trigeneration unit (9) is incorporated in the liquid air and / or oxygen expansion station of the cryogenic liquid air energy storage (LAES) (7), wherein all energy processing and storage units are incorporated in the control and supervision system, collecting data in real time, monitoring the production, consumption and demand for electrical energy, and intelligently controlling energy flow between generation sources, powered devices and energy storage units.

Offshore wind turbine systems and processes for installing same. The system can include a wind turbine generator that can include a plurality of blades connected thereto. The system can also include a first support arm and a second support arm each having a first end and a second end. The system can also include a support structure that can be configured to float on a surface of a body of water that can include first, second, and third columns. The first end of the first support arm and the first end of the second support arm can each support the wind turbine generator at an elevation above the support structure. The second end of the first support arm can be connected to and supported by the first column. The second end of the second support arm can be connected to and supported by the second column.

The invention discloses a composite wind energy collector, which relates to the technical field of energy collection, and comprises a driving assembly, and the driving assembly comprises a shell, a rotating shaft, a wind cup, a bearing and a placing disc; the power generation assembly comprises an electromagnetic assembly, a piezoelectric assembly and a friction assembly. The device has the beneficial effects that on the basis of combination of electromagnetic energy collection and piezoelectric energy collection, the friction power generation process is additionally added, on one hand, the energy utilization rate is increased through electromagnetic energy collection and piezoelectric energy collection, energy collected by electromagnetic energy is small in voltage and large in current, energy collected by piezoelectric energy is large in voltage and small in current, and the energy utilization rate is increased; the two kinds of energy complement each other, on the other hand, alternating force is applied to the magnetic poles on the piezoelectric plates through the magnets, frequency conversion on piezoelectric energy collection is achieved, the wind cup does not generate electricity through friction when wind is small and electricity is not needed, the rotating speed of the wind cup is reduced while electricity is generated through friction when wind is large, and sufficient conversion of the energy is ensured.

The invention discloses an intelligent brake control system and a high-cold-wind wind generating set, and relates to the technical field of wind energy industries. A sensor module is used for collecting airflow parameters, blade state parameters and wind wheel operation parameters in real time, and a controller is in signal connection with the sensor module; the controller is used for being installed in a control cabinet at the bottom of a tower of the high-cold-wind wind generating set, the controller is configured to judge whether an extreme strong wind protection mode is triggered or not according to collected parameters, the executing mechanism is in communication connection with the controller, and the mechanical brake is used for being installed at a main shaft brake disc of the high-cold-wind wind generating set. The variable-pitch driving device is used for being integrated in a hub of the high-cold-wind wind generating set so as to be used for adjusting the pitch angle of a blade, and the executing mechanism is configured to execute a mechanical brake control strategy in an extreme strong wind protection mode and control a mechanical brake to be separated from a brake disc after the blade feathering and wind wheel rotation speed are reduced to a safe rotation speed. And the wind wheel in the feathering state is in a free rotation state.

A wind turbine with adaptive nacelle preferably includes a geared blade shaft; and at least one reciprocating generator unit. The geared blade shaft includes a plurality of blade magnets attached to an outer perimeter of the blade shaft, which extend a portion of a length of the blade shaft. Each reciprocating generator unit preferably includes an intermediate magnetic gear, at least one magnetic generator gear, at least one electrical generator, at least one actuator and a retention frame. The intermediate magnetic gear and the at least one generator magnetic gear are pivotally retained in the retention frame. The at least one electrical generator is retained on the retention frame. The at least one actuator is used move the reciprocating generator unit to engage rotation of the geared blade shaft with the intermediate magnetic gear. Rotation of the geared blade shaft causes rotation of the electrical generator.

The invention provides flight wind energy unit equipment, a flight acting device, a flight control device, a flight connection assembly and a flight control method. The flying wind turbine equipment (1000) comprises a floating device (1100) and a transmission cable (1300). The floating device (1100) is used to lift off so as to lift the flight crew equipment (1000) to a predetermined height. The transmission rope (1300) is arranged around the upper pulleys (1500-1, 1500-3) close to the side of the floating device (1100) and the lower pulleys (1500-2, 1500-4) close to the side of the fixed base structure (2000). The flying wind turbine arrangement (1000) further comprises a first and a second flying work device (1400-1, 1400-2) fixedly connected to the transmission cable (1300) on both sides, respectively. The first flight acting device (1400-1) and the second flight acting device (1400-2) are arranged to be capable of alternately flying up and down in a reciprocating mode so as to drive the transmission rope (1300) to move in a reciprocating mode. The flying wind turbine assembly (1000) of the present invention enables continuous work in any wind direction and transmits mechanical work to the fixed base structure (2000).

The invention discloses a piezoelectric-triboelectric hybrid power generation device and method based on flow-induced shaking, the device comprises a flow-induced shaking module, the flow-induced shaking module comprises a base, a rotating rod capable of rotating along the base is arranged on the base, a cantilever beam is arranged on the rotating rod, the inner end of the cantilever beam is arranged on the rotating rod, and the outer end of the cantilever beam is arranged on the base. The cantilever beam is provided with a piezoelectric module, the piezoelectric module comprises a piezoelectric plate, and the piezoelectric plate is connected with a first collection circuit; a solid-liquid friction nanometer power generation module is arranged at the outer end of the cantilever beam, the solid-liquid friction nanometer power generation module comprises a container, friction liquid, a friction layer and an electrode are arranged in the container, and the electrode is connected with a second collection circuit.

The embodiment of the invention provides a PLC (Programmable Logic Controller)-based high-power wind turbine generator control method and a PLC-based high-power wind turbine generator control system, which are used for carrying out short-time prediction on future wind speed on the basis of a time sequence model and generating a feed-forward compensation pitch angle in combination with system delay so as to actively cope with upcoming wind speed disturbance, so that the reactive defects of traditional control are fundamentally overcome. According to the prospective control mode, the response speed and the control precision of the variable pitch system can be remarkably improved, the power and rotating speed overshoot caused by the large inertia characteristic is effectively restrained, the output power is smooth, and therefore the overall operation life of a unit is prolonged, and the power generation efficiency and the power grid friendliness are improved.

This utility model relates to the field of floating wind power, and more particularly to a floating offshore wind power integration system based on fishery-wind complementarity. It includes a floating platform, a wind turbine system, an aquaculture system, and a suction caisson. The aquaculture system includes aquaculture nets. The wind turbine system is located above the floating platform, and the aquaculture nets are located below the floating platform. The suction caisson is connected to the floating platform. Wind power is provided through the wind turbine system, and fishery aquaculture is carried out through the aquaculture system, achieving fishery-wind complementarity integration. Furthermore, the design of the suction caisson ensures the stable arrangement of the entire system. The overall structure utilizes longitudinal sea space, has the characteristics of wide applicability to various sea areas, strong stability, and high energy utilization rate, and is expected to be widely used in the field of floating offshore wind power.

Wind energy assemblies and deployment methods are provided that include a telescoping mast, an energy conversion system, and a carriage assembly. The telescoping mast has a top and a bottom, a mast roller system, and a plurality of mast sections. At least one of the mast sections is an internal mast section, and at least one of the mast sections is an external mast section. The energy conversion system is mounted to the top of the telescoping mast and includes a steering system, a wind instrument mast, a drive assembly, a rotor hub, a disc brake, and a plurality of blades extending from the rotor hub. The carriage assembly supports the telescoping mast. The mast roller system enables the at least one internal mast section to be pulled out from the at least one external mast section, thereby facilitating extension of the telescoping mast. A hydraulic ram assembly may be provided to rotate the telescoping mast to a vertical position.

The invention relates to the technical field of wind power generation, and discloses a wind driven generator blade monitoring method, which is applied to electronic equipment and comprises the following steps: acquiring a load parameter of a wind driven generator; and inputting the load parameters into the trained wind regime reconstruction model to enable the wind regime reconstruction model to generate wind regime data based on the load parameters. And inputting the wind regime data into the trained load calculation model, so that the load calculation model outputs load time sequence data of the blade based on the wind regime data. According to the method, when the load of the blade is monitored, compared with a mode of detecting the load borne by the blade by utilizing a sensor arranged at the root of the blade, the spanwise load of the blade can be monitored more comprehensively, so that the accuracy of monitoring the load of the blade of the wind driven generator is improved. The invention further discloses a monitoring device and equipment for the wind driven generator blade and a storage medium.

The application discloses a kind of energy storage offshore wind power generation equipment and its using method, it is related to offshore wind power generation technical field, including at least one tower, the top of the topmost tower is installed generator set, the top of generator set input shaft is connected with main shaft through coupling, and the top of main shaft is installed three-blade vertical paddle group;The top of the topmost tower is installed with segmented shaft rotating support cylinder coaxial with main shaft, and four-column C-shaped bracket is fixedly installed on the lower part of the left and right outer walls of segmented shaft rotating support cylinder. The application solves the problem of insufficient lubrication caused by the decrease of lubricant viscosity in high temperature environment, enhances the corrosion resistance and mechanical stability of offshore power generation equipment, and significantly reduces the need for frequent manual maintenance of offshore power generation due to continuous and automatic lubrication, significantly improves the maintainability and operating economy of the equipment in summer.

The present application relates to a kind of system and adaptation method suitable for wind energy direct drive heat pump unit;The system includes temperature module, wind speed module, rotational speed module, control unit, air supplementing enthalpy increasing pipeline solenoid valve and evaporator bypass solenoid valve;The control flow of adaptation method includes temperature control, rotational speed control and wind speed control;After adaptation method is started, temperature, rotational speed and wind speed control are carried out in parallel until all controls are cancelled by user.The present application can effectively solve the problem that existing control scheme is difficult to operate at low wind speed, and can effectively improve the rated operating wind speed of wind heat pump, can effectively improve the rated heating capacity of wind heat pump, for the equipment without using this scheme, the present application can improve the heating capacity by about 35%.The present application can also effectively improve the efficiency of wind energy utilization.

The invention provides a green energy self-power-generation endurance system of a carrier, which comprises a wind power generation assembly, a double-sided photovoltaic panel assembly, a double-sided photovoltaic soft curtain assembly and an air power generation assembly, which can utilize respective advantages to combine or independently carry out green energy power generation. The wind power generation assembly comprises a main air duct and a plurality of one-shaft double-body generators. The main air duct is provided with a closed cabin; a plurality of one-shaft double-body generators are arranged in the main air duct and the closed cabin in a matrix manner; each one-shaft double-body generator comprises a wind power blade arranged on a transmission shaft; the transmission shaft is located in the main air duct, and the two ends of the transmission shaft are rotatably connected to the wind driven generator in the closed cabin. According to the implementation mode, wind resistance airflow generated by driving of the carrier acts on the one-shaft double-body generator through the main air duct, so that each transmission shaft drives the two wind driven generators to synchronously generate electricity. The system has an extremely wide application range and can provide green electric energy for corresponding scenes.

The present invention relates to a drivetrain of a wind turbine and a wind turbine with the drivetrain, wherein the drivetrain comprises at least a gearbox, a generator and a lubrication system. The lubrication system comprises at least a pump unit, a main filter system, a heat exchanger and a distribution unit. A secondary filter system is arranged upstream relative to the distribution unit and downstream relative to the heat exchanger. The first filter system has at least one first filter with a first filtration range and the secondary filter system has at least one second filter with a second filtration range. The first filtration range differs from the second filtration range.

A wind turbine system is provided. The wind turbine system includes a flow consolidating conduit and an air driven rotor assembly. The flow consolidating conduit is close sided and extends from a consolidating conduit upstream end to a consolidating conduit downstream end. The flow consolidating conduit includes an airflow capture inlet at the consolidating conduit upstream end, and a plurality of flow partitions that subdivide a cross-sectional area of the flow consolidating conduit into three or more flow paths. Each flow partition and each flow path extend between the consolidating conduit upstream end and the consolidating conduit downstream end. Each flow partition has a partition downstream end located upstream of the consolidating conduit downstream end. At each partition downstream end, adjacent flow paths merge into a merged flow path. The three or more flow paths gradually merge into a single flow path at the consolidating conduit downstream end.

The wind power generation device (1) includes: a support shaft (10); a rotating body (20) formed of a dielectric material and supported on the support shaft in such a way that it can rotate about the central axis of the support shaft; a plurality of electrodes (30) arranged at intervals along the circumference of the central axis on the surface of the rotating body; a power source (50) applying a predetermined voltage to each of the plurality of electrodes at predetermined time intervals; and a generator (60) connected to the rotating body.

The utility model relates to the technical field of monitoring devices, in particular to a wind power concrete tower monitoring device which comprises a guide plate and a monitoring assembly, and the monitoring assembly comprises a guide rail, a mounting seat, a rack and two monitoring parts. The monitoring component comprises a sliding block, a double-shaft tilt angle sensor, a double-shaft gyroscope, a driving part and a gear; the guide plate is installed on the surface of a wind power concrete tower, one monitoring component is located at the top end of the tower, the other monitoring component is located at the foundation position of the tower, when a double-shaft tilt angle sensor and a double-shaft gyroscope at the top end of the tower need to be overhauled, the driving part is controlled to drive the gear to rotate reversely, and the gear moves downwards along the rack when rotating reversely; and the sliding block drives the double-shaft tilt angle sensor and the double-shaft gyroscope to move downwards to a low position, so that the double-shaft tilt angle sensor and the double-shaft gyroscope which are mounted at the top end of the wind power tower can be conveniently overhauled.

A submarine connection box for connecting a system of submarine power cables, each including at least one submarine power cable core, the submarine connection box including: a casing, the casing having N first openings configured to receive a respective submarine power cable of a first set of N submarine power cables, N being an integer equal to or greater than 1, the casing having K second openings configured to receive a respective submarine power cable of a second set of K submarine power cables, K being an integer greater than 1, a termination box arranged inside the casing, the termination box having a housing including a first group of openings, and a second group of openings, each of the first group of openings being configured to receive a respective submarine power cable core of the first set of N submarine power cables, and each of the second group of openings being configured to receive a respective submarine power cable core of the second set of K submarine power cables, and L sets of connectors arranged in the termination box, L being an integer equal to the number of electrical phases or poles of the system of submarine power cables, wherein for each of the L sets, the connectors are electrically interconnected with each other and configured to connect submarine power cable cores of corresponding electrical phases or poles of the first set of N submarine power cables and the second set of K submarine power cables.

The utility model provides wind power generation equipment, and relates to the technical field of wind power generation, the wind power generation equipment comprises a tower, a host, a transformer and a magnetic shielding piece, the tower is provided with a containing cavity; the host is arranged at the top of the tower and comprises a cabin and a fan, and the fan comprises a generator and a control unit which are in signal connection with each other; the transformer is arranged at the end, away from the ground, of the containing cavity or in the cabin, and when the transformer is arranged in the cabin, the transformer is arranged on the side close to the generator and away from the control unit and electrically connected with the generator; the magnetic shielding piece is arranged between the transformer and the generator, the projection area of the magnetic shielding piece covers the projection area of the transformer in the direction from the generator to the transformer, and by limiting the arrangement position of the transformer and arranging the magnetic shielding piece, the electric energy transmission distance between the draught fan and the transformer is shortened, and the electric energy transmission efficiency is improved. And the influence of an electromagnetic field generated by the transformer on other devices in the fan is reduced while the electric energy loss between the fan and the transformer is reduced.

A system for harvesting kinetic wind energy for a vehicle includes a turbine drivingly connected to a motor / generator. The turbine is configured to be driven by the force of air encountered during operation of the vehicle and / or from wind when parked, and to drive the motor / generator to generate electrical power.