Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

461results about "Renewable energy generation" patented technology

Vertical axis wind-flow energy power generation platform and operation method thereof

The invention relates to a vertical axis wind-flow energy power generation platform and an operation method thereof.The vertical axis wind-flow energy power generation platform comprises a platform body, an adjustable gearbox, a vertical axis fan and a vertical axis water turbine, and the platform body comprises a main stand column and a plurality of auxiliary stand columns; the adjustable gearbox is arranged in the main stand column; the vertical shaft fan comprises a fan shaft and a plurality of fan blades; the vertical shaft water turbine comprises a water turbine shaft and a plurality of water turbine blades; a fan shaft is connected with one end of the adjustable gearbox, and a water turbine shaft is connected with the other end of the adjustable gearbox; the transmission ratio gamma is adjusted through the adjustable gearbox, gamma = n wind / n flow, n wind is the rotating speed of the vertical axis fan, and n flow is the rotating speed of the vertical axis water turbine; and the rotating directions of the vertical shaft fan and the vertical shaft water turbine are opposite. Functional coupling of the vertical-axis fan and the vertical-axis water turbine is achieved by adjusting the transmission ratio of the adjustable gearbox, the vertical-axis fan and the vertical-axis water turbine are combined into a whole, and offshore wind energy and tidal current energy can be developed at the same time.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER

Power management of a hybrid power plant

A method of power management of a hybrid power plant includes at least one type of renewable power generation equipment and an energy storage system, including: before a first dispatching time range: using first forecasts of energy production capability and energy price, and in particular hybrid plant status and plant parameters, to derive a first power generation schedule defining power generation in the first dispatching time range; at a dispatch point in time within the first dispatching time range: using second forecasts of energy production capability and energy price, and in particular plant status and plant parameters, to derive a second power generation schedule defining power generation in a second dispatching time range; and calculating an optimal power injection value for the dispatch point in time based on the first power generation schedule and the second power generation schedule taking into account at least one constraint.
Owner:GAMESA INNOVATION & TECH SL

Generation of electricity through wind power

The invention relates to a wind-powered device for generating electrical power and to a method for generating electrical power using wind power. In order to provide a technology for wind-powered generation of electrical power that has improved efficiency, a wind-powered device (1) for generating electrical power is proposed, comprising a vertical rotor (2), a first drive shaft (3) that can be driven by the vertical rotor (2), a second drive shaft (4), an electrical generator (5) that can be driven by the second drive shaft (4), and a movable lever device (6), wherein the first drive shaft (3) is operatively connected to the lever device (6) for driving the latter, and wherein the lever device (6) is operatively connected to the latter for driving the second drive shaft (4).
Owner:MEIER NORBERT

Operation control method and device for vertical axis wind turbine generator

The invention discloses an operation control method and device for a vertical axis wind turbine generator, and belongs to the technical field of wind power generation. The method comprises the steps that a pitch angle of a lower blade is driven to be gradually increased to a preset angle at a preset angular speed through a variable pitch controller; when the rotating speed of the wind wheel reaches the cut-in rotating speed, the optimal tip speed ratio is tracked until the rotating speed of the wind wheel rises to the rated rotating speed; when the rotating speed of the wind wheel reaches the rated rotating speed, the rotating speed of the wind wheel is stabilized at the rated rotating speed; when the driving torque under the action of the aerodynamic load continuously exceeds the rated torque of the generator and the rotating speed of the generator reaches an early-warning rotating speed threshold value, a shutdown control strategy is triggered; and under the shutdown control strategy, the connection between the generator and the power grid is cut off, and mechanical braking is applied, so that the wind wheel stops rotating. According to the technical scheme, smooth starting of the wind wheel, stable operation at the rated rotating speed and safe shutdown in the fault state are achieved, the starting and stopping capacity and power stability of the unit are effectively improved, the wind speed application range is expanded, and it is guaranteed that the whole-process operation of the unit is safe and reliable.
Owner:中国船舶集团风电发展有限公司

Control strategy of vertical axis wind turbine

The invention relates to the technical field of wind driven generator control, aims to solve the problems that in the prior art, blades of a vertical-axis wind driven generator are fixed, the wind sweeping area is difficult to adjust, and the power generation efficiency is limited, and provides a control strategy of a vertical-axis wind driven generator. Establishing a control relation model of rated wind speed, current wind speed, fan rated rotating speed, first generator rotating speed, positive and negative motor rotating speed and rotating direction. The current wind speed and the rotating speed of the generator are acquired by the sensor, and the controller compares the current, rated and maximum power wind speed according to a model, controls the positive and negative motor to drive the lifting mechanism and adjusts the blade length and the wind sweeping area. The wind wheel has the beneficial effects that the wind sweeping area of the wind wheel can be changed by controlling the lengths of the blades at different wind speeds, continuous and stable power generation is achieved, and the power generation efficiency can be effectively improved.
Owner:ДУНФАН ЭЛЕКТРИК ВИНД ПАУЭР КО ЛТД

Vertical axis wind turbine structure

The invention discloses a vertical axis wind driven generator structure which comprises a vertically-arranged generator and a plurality of blades evenly arranged in the circumferential direction of the generator, and the rotor end of the generator is coaxially connected with a flat plate connecting flange. The upper end of the flat plate connecting flange is coaxially connected with a flange rotating shaft and a first angle connecting flange lower than the upper part of the blade in sequence; the flat plate connecting flange is connected with the middles of the blades through the horizontal supporting rods, the first angle connecting flange is connected with the upper portions of the blades through the first angle supporting rods, and a first anti-torsion supporting rod is connected between the upper portions of every two adjacent blades. The overall gravity center of the wind wheel can be reduced, so that the overall gravity center of the wind wheel is closer to the connecting end face of the tower drum, the length of an acting arm of force of a vibration load on the tower drum is effectively shortened, and the transmission effect of a dynamic load to the tower drum caused by unbalanced mass of the wind wheel is remarkably weakened; therefore, the vibration response of the tower drum caused by the coupling effect of pneumatic excitation and mechanical vibration is inhibited.
Owner:ДУНФАН ЭЛЕКТРИК ВИНД ПАУЭР КО ЛТД

Frame type blade support, vertical shaft impeller and vertical shaft wind turbine generator

The invention discloses a frame type blade support, a vertical shaft impeller and a vertical shaft wind turbine generator. The frame type blade support comprises a supporting beam, a moving pair and a fixed connecting piece. The first end of one supporting beam is provided with a sliding pair guide rail and forms sliding pair connection with the other supporting beam. And the at least three supporting beams are connected to form an interconnection structure by mutually forming a moving pair. Each supporting beam is divided into an interconnection section and an overhanging section by the moving auxiliary guide rail of the other supporting beam. And each interconnection section is provided with at least one lap joint point. The two interconnection structures are in lap joint at the lap joint points and are connected through the fixed connecting pieces to form the blade support. The multiple supporting beams are mutually restrained, and the supporting rigidity of the support is improved. The load transmitted along the supporting beam can be directly transmitted to the rotating shaft, and the force transmission path is single. And a moving pair is arranged between the two supporting beams, so that the length of supporting the blade cantilever is shortened. The blade support is easy to obtain raw materials, low in cost, easy to machine and convenient to assemble.
Owner:BEIJING SANLI XINNENG ELECTRIC EQUIP CO LTD

A vertical axis wind power generation fan blade and a vertical axis wind power generation device

The present invention discloses a vertical-axis wind turbine blade and a vertical-axis wind turbine generator device, primarily comprising a frame and a fan. The fan is disposed within the frame and includes a fixed fan and a movable fan. Several fixed fans are spaced apart from several movable fans, and the movable fan can rotate through an angle of 0-90 degrees. This application addresses the challenges of large-scale wind turbines, including difficult transportation, installation, maintenance, and high costs. It can be used in any terrain, regardless of topography, as long as there is sufficient wind power, while also achieving dual carbon emission reductions.
Owner:BLUE GRANARY MARINE ENG EQUIP (SHENZHEN) CO LTD

Distributed power generation vertical axis fan

The invention is suitable for the technical field of wind power generation equipment, and provides a distributed power generation vertical shaft fan which comprises a fan support, a main transmission shaft, a fan main shaft base, a wind power detection device and at least one distributed power generation unit. The fan impeller is divided into a spiral impeller structure and a lift-drag composite impeller structure, the distributed power generation unit comprises a power generation device base and a main driving outer gear, the power generation device base is rotationally provided with a plurality of power generation driving gears, and the power generation driving gears are meshed with the main driving outer gear; the power generation driving gear is in driving connection with the distributed generators through the power generation driving shaft, the main transmission shaft drives the main driving outer gear to drive the distributed generators to generate power, the electromagnetic clutch is arranged between the power generation driving shaft and the distributed generators, and the number of the distributed generators connected to the load can be flexibly adjusted according to working conditions. And maximum utilization of energy is realized.
Owner:NANJING SHIFAN UNIV ZHONGBEIXUEYUAN

Multi-partition variable pitch control strategy for floating vertical axis wind turbine

The invention relates to the field of wind driven generators, and particularly discloses a floating type vertical axis wind turbine multi-partition variable pitch control strategy which comprises the steps that S1, basic parameters and operating condition parameters of a unit are obtained; s2, establishing an aerodynamic model based on a double-disk multi-flow management theory and a superposition wind speed method; s3, measuring parameters through a sensor, and calculating a theoretical attack angle of the blade; s4, establishing a multi-partition pitch angle change function based on the theoretical attack angle; s5, constructing an NSGA-II multi-target optimization model, and taking maximization of an average power coefficient and minimization of a blade thrust standard deviation as targets; s6, substituting a function to obtain an optimal variable pitch control factor and an optimal pitch angle; and S7, the optimal pitch angle is converted into a variable pitch actuator instruction. The problems that an existing strategy is limited in partition, the wind direction influence is ignored, and optimal parameters for working condition adaptation are lacked are solved, the wind energy capture efficiency is improved, the load fluctuation is reduced, and the variable pitch control accuracy is improved.
Owner:FUZHOU UNIV

Vertical shaft light-weight blade universal breeze power generation device

The utility model discloses a vertical shaft light-weight blade universal breeze power generation device which comprises a tower drum, a stand column, a net rack, blades, a generator set, a mounting base and a bearing mechanism. The net frame is arranged on the stand column, the blades are fixed to the net frame, the tower barrel is hollow, a step ladder for climbing is arranged in the tower barrel, the generator set is fixedly arranged in the tower barrel through the mounting frame, the bottom end of the stand column is connected with the mounting base, the mounting base is arranged on the bearing mechanism and rotationally connected with the bearing mechanism, and the bearing mechanism is arranged at the top end of the tower barrel. One end of the mounting seat is connected with a generator set; blades are blown by breeze to drive the net rack, the stand column and the mounting base to rotate, and then the generator set is driven to rotate for power generation. According to the utility model, the blades are vertically and densely arranged, so that the wind direction limitation is avoided, and acting force can be generated in various wind directions to drive a generator set to operate and generate electricity.
Owner:WEIFENG NEW ENERGY TECHNOLOGY (SHANDONG) CO LTD +1

Adjustable vertical axis wind turbine

The invention discloses an adjustable vertical-axis wind turbine, and relates to the technical field of wind power generation. The device comprises a supporting column, a mounting cylinder is fixedly mounted at the top end of the supporting column, the mounting cylinder and the supporting column are fixedly mounted through a flange, a rotating column is rotatably connected to the top of the mounting cylinder in a limiting mode, and connecting plates are rotatably connected to the periphery of the rotating column in a uniform limiting mode; a mounting shaft is hinged to the side, away from the rotating column, of the connecting plate in a limiting mode, and main blades are rotationally connected to the outer side of the mounting shaft in a limiting mode. The positions and the gravity centers of the blades are adjusted at the starting stage of driving rotation and under the condition of different rotating speeds, rotation can be started more easily in the static state, continuous rotation can be better facilitated after rotation, effective utilization of wind energy is improved, generated electric quantity is increased, and the wind power generation efficiency is improved. The attack angle of the blade is adjusted according to the wind speed, so that the blade is always located at the optimal wind receiving angle, and the utilization rate of wind energy is increased.
Owner:HUNAN INSTITUTE OF ENGINEERING

Method for determining value of electric energy in consideration of power generation source in ev ecosystem and device for performing same

The present invention relates to a method for determining the value of electric energy in consideration of a power generation source in an EV ecosystem and a device for performing same. The method for determining the value of electric energy in consideration of a power generation source in an EV ecosystem may comprise: a step in which an EV ecosystem management device determines the incentive of an EV power plant on the basis of a power generation source of the EV power plant; and a step in which the EV ecosystem management device determines the carbon emission right to be allocated to the EV power plant on the basis of the power generation source of the EV power plant.
Owner:AIZEN GLOBAL CO INC

Adjustable blade supporting frame of vertical axis wind turbine

ActiveCN120684348ARotational speed controlWind motor controlElectric power equipmentClassical mechanics
The invention relates to the technical field of power equipment, in particular to an adjustable blade supporting frame of a vertical axis wind turbine, which comprises a base, a central shaft is rotatably connected to the base through a rotating seat, two groups of fixed discs are fixedly arranged on the outer wall of the central shaft, and a plurality of brackets are mounted on the fixed discs; one end of the support is movably connected with the inner end face of the outer blade through a first hinge block, a centrifugal driving mechanism is fixedly arranged on the outer wall of the center shaft, and a plurality of angle adjusting mechanisms are in transmission engagement with the outer side of the centrifugal driving mechanism. According to the adjustable blade supporting frame of the vertical-axis wind turbine, the problem that a traditional fixed blade is difficult to adapt to variable wind conditions is effectively solved, active speed limiting can be achieved when the rotating speed is too high, damage to equipment caused by power overload can be avoided, it can be guaranteed that an outer blade always operates in a high-efficiency interval, and the service life of the equipment is prolonged. And it can be ensured that the draught fan can continuously and stably operate when the wind speed is low, the applicable wind speed range of equipment is widened, and the utilization rate of wind energy resources is increased.
Owner:POWERCHINA HUBEI ENG CO LTD

Sleeves for turbine shafts

A fluid turbine may include a vertically-orientable shaft having at least one opening extending transversely therethrough, a first blade portion configured for vertical orientation on first side of the shaft, a second blade portion configured for vertical orientation on a second opposite side of the shaft, at least one rod extending through the shaft opening and connectable at a first end to the first blade portion and at a second end to the second blade portion. A reinforcing sleeve may extend through the shaft opening and may be interposed between the rod and the shaft opening for reinforcing at least one of the shaft, the at least one shaft opening, or the rod against forces exerted by the first and second blade portions when fluid impacts the first and second blade portions.
Owner:FLOWER TURBINES INC

A method for regenerating blades of an H-type vertical axis micro-wind generator from waste wind turbine blades

The invention discloses a method for regenerating blades of an H-type vertical axis micro-wind generator from waste wind power blades, which relates to the field of resource recovery and reuse. The waste wind power blades are cut into profiles to manufacture the blades of the H-type vertical axis micro-wind generator. The epoxy resin fiberglass sandwich panel of the waste wind power blade has the characteristics of light weight, high strength and corrosion resistance. The fiberglass sandwich panel of the waste wind power blade is used to replace aluminum alloy to produce the blades of the H-type vertical axis micro-wind generator, so that the waste wind power blades are reused. While ensuring the strength of the blades of the H-type vertical axis micro-wind generator, the weight of the blades of the H-type vertical axis micro-wind generator is reduced, the load of the support structure and the transmission system is alleviated, and the blades of the H-type vertical axis micro-wind generator are easier to start and accelerate at a lower wind speed, so that they can operate in a wider wind speed range; the wind energy capture efficiency is improved, the waste wind power blades obtain a second life, and thus the recycling of resources is realized, promoting sustainable development.
Owner:ZHONGNONG LVBO HEBEI MASCH CO LTD

Vertical axis wind turbine with variable thickness blade

A vertical axis wind turbine with variable thickness blade is disclosed. The wind turbine may include a blade including a skin having a first skin section and a second skin section. A first skin section thickness may be greater than a second skin section thickness. The blade may further include a bracketed structural member disposed on the first skin section. The bracketed structural member may include one or more L-shaped brackets. The wind turbine may further include a nut bar, which may be a flat nut bar. The bracketed structural member may be configured to hold the nut bar between the L-shaped brackets. The wind turbine may further include an arm connecting bracket that may be configured to attach the arm to the blade via the nut bar. The wind turbine may further include a transition fairing that may attach to the blade via the nut bar.
Owner:WIND HARVEST INT

A vertical axis wind power generation device that is easy to install

The present invention relates to the technical field of wind power generation, and discloses a vertical axis wind power generation device that is easy to install, comprising a mounting frame, a stator disk, a rotor disk, and fan blades, wherein the mounting frame comprises a plurality of fixed brackets, the fixed brackets are detachably fixed to the mounted member, and split bearings are arranged at both axial ends of the mounting frame; the stator disk comprises a plurality of stator brackets, and the stator brackets are connected to the mounting frame, wherein the stator brackets are provided with winding coils that can generate induced current; the rotor disk comprises a plurality of rotor sub-disks, and the rotor sub-disks are connected to the split bearings; wherein the stator disk is installed in the rotor disk, and a magnetic component that provides a magnetic field for the winding coils is arranged in the rotor sub-disk; the fan blades are connected to the rotor disk, and are used to provide rotational power for the rotor disk, and the advantage is that the device can be flexibly installed at any position of a pole tower of any specification.
Owner:HUNAN GUOAO POWER EQUIP

Resistance reduction type wind power generation device and wind power generation resistance reduction structure

The wind power generation resistance reduction structure comprises fan blades, the fan blades are provided with installation openings, reverse wind energy release window frames are arranged in the installation openings, and the reverse wind energy release window frames are arranged along the edges of the installation openings. The edge of one side of the reverse wind energy release window frame is hinged to the edge of the mounting opening, a reverse limiting mechanism for preventing the reverse wind energy release window frame from swinging towards the back faces of the fan blades is arranged between the reverse wind energy release window frame and the mounting opening, and a forward wind energy utilization window plate is arranged in the reverse wind energy release window frame. The forward wind energy utilization window plate can cover a window opening of the reverse wind energy release window frame. When the fan blades bear reverse wind, the reverse wind energy releasing window frame is blown open, the wind flows through a gap between the reverse wind energy releasing window frame and the installation opening, and the reverse wind effect borne by the fan blades is obviously reduced. Therefore, the influence of reverse wind can be reduced, and the wind energy utilization rate and the wind power generation efficiency are improved.
Owner:郑德群

Vertical axis turbine

A vertical-axis turbine extending longitudinally along an axis of rotation is disclosed, wherein the turbine has first and second blades disposed around the axis of rotation, the first and second blades having proximal portions and distal portions located relatively close to and away from the axis of rotation respectively, and body portions located between the proximal portions and the distal portions. The turbine also has a rotor assembly coupled to an end of the first and second blades. The proximal portion of the first blade contacts the body portion of the second blade and the proximal portion of the second blade contacts the body portion of the first blade to form a closed volumetric region around the axis of rotation. The shape of the first and second blades may be defined by twisting a sheet of flexible material according to a frame comprising two or more pairs of battens.
Owner:KOOTENAY KINETIC ENERGY TURBINE INC

Dual-mode self-adaptive vertical axis fan and control method thereof

The invention provides a dual-mode self-adaptive vertical axis fan and a control method thereof. In the structure, the fan comprises a fan tower drum which is vertically arranged, at least two fan blades, corresponding fan supporting rods, an upper-layer controller, a lower-side blade connector and the like. The advantages of a Darrieus lift type fan and a Savonius resistance type fan are fused, a fan supporting rod is used for forming a resistance difference during initial starting, rotational inertia is reduced, and ultralow-wind-speed self-starting is achieved; in the working state, the upper-layer controller and the lower-side blade connector cooperate to adjust the attack angle of the blades, and the power generation efficiency is improved. In addition, the adaptability and efficiency of the fan are enhanced through the design of ball knot connection, cable fixing devices and the like. The control method comprises the steps of initial starting, working state switching and storage state switching, it is ensured that the fan keeps the optimal performance in various environments through intelligent control, the operation and maintenance process is simplified, the operation and maintenance cost is reduced, and the wind energy utilization rate is increased.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER

Wind power plant

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.
Owner:MURATA MFG CO LTD

Vertical windmill with wind-orienting device

The application provides a vertical windmill with a wind-aiming device, and belongs to the field of wind power generation. The vertical windmill with the wind-aiming device comprises a main shaft, a blade assembly, a sleeve, a wind-aiming device and a bearing assembly. The blade assembly is connected with the main shaft; the wind-aiming device is connected with the sleeve, and the wind-aiming device is configured to drive the sleeve to rotate synchronously; the bearing assembly is arranged between the inner wall of the sleeve and the outer wall of the main shaft. The vertical windmill has a wind-aiming state and a power generation state. The bearing assembly is configured to meet the following conditions: when the vertical windmill is in the power generation state, the main shaft rotates and the sleeve does not rotate; when the vertical windmill is in the wind-aiming state, the sleeve rotates and the main shaft does not rotate. Through the vertical windmill, the mutual interference of the vertical windmill in the wind-aiming and power generation processes can be effectively avoided, so as to ensure the wind-aiming and power generation efficiency.
Owner:ANHUI KANGDI ELECTRIC POWER SCI & TECH

Blade section of power generation fan

A blade section of a power generation fan comprises an upper blade and a lower blade which are arranged in a matched mode, and a positioning piece is arranged between the upper blade and the lower blade. A plurality of upper connecting rib plates are arranged on the inner side of the upper blade, a plurality of upper mounting strip-shaped holes are formed in the upper connecting rib plates, a plurality of lower connecting rib plates are arranged on the inner side of the lower blade, and a plurality of lower mounting strip-shaped holes are formed in the lower connecting rib plates; an upper strip-shaped plate is arranged in the upper mounting strip-shaped hole, and a lower strip-shaped plate is arranged in the lower mounting strip-shaped hole; and an inner connecting piece is arranged between the upper strip-shaped plate and the lower strip-shaped plate. The mode that the upper strip-shaped plate is fixedly connected with the upper blade body and the lower strip-shaped plate is fixedly connected with the lower blade body is adopted, the upper strip-shaped plate and the lower strip-shaped plate have flexibility, and then the inner connecting pieces are arranged in the upper strip-shaped plate and the lower strip-shaped plate, so that the flexibility of the obtained blade is greatly improved; and better non-deformability can be achieved.
Owner:SHANDONG JIAOTONG UNIV

Vertical axis wind turbine based on Magnus effect

The invention relates to the technical field of vertical axis wind turbines, in particular to a vertical axis wind turbine based on the Magnus effect, and aims to solve the technical problem that an existing lift force type vertical axis wind turbine is difficult to start in a breeze environment. To this end, the Magnus effect-based vertical axis wind turbine of the present application comprises: a vertical axis; the at least three lifting force blades and the at least three Magnus rotors are connected to the vertical shaft; the driving assembly is used for driving the Magnus rotor; and the control module is electrically connected with the driving assembly and used for controlling starting and stopping of the driving assembly according to the actual wind condition so as to drive the Magnus rotor to rotate, and after the Magnus rotor rotates, the lifting force blades continuously capture wind energy to maintain operation of the vertical axis wind turbine. In this way, the defects that a lift type vertical axis fan is small in starting torque and difficult to start are overcome, and normal starting of the lift type vertical axis fan under the breeze condition is achieved.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Lightweight vertical-axis wind turbines and lightweight wind power generation devices

Conventional saponius-type wind turbines are large because the generator is connected to the lower part of the turbine's rotating shaft; the goal is to make them more compact. Furthermore, it prevents rainwater, snow, or fallen leaves from accumulating in various parts of the wind turbine. A small, lightweight wind turbine and wind power generation device that can generate stable torque and electromotive force even when wind direction and speed change rapidly, and can utilize wind from all directions, including horizontal, vertical, and oblique directions, to generate rotational torque. [Solution] A vertical-axis wind turbine comprising a bucket having a roughly hemispherical paddle section at the top and a semi-cylindrical bucket section at the body, arranged horizontally offset along the plane of a cylinder cut in half vertically, such that wind flowing into the concave side of one bucket flows into the concave side of the other bucket, and a wind power generation device equipped with a generator inside the bucket.
Owner:TOPWIND CO LTD

Vertical axis wind turbine assembly structure

The invention belongs to the technical field of generators, and particularly relates to a vertical axis wind turbine assembly structure which comprises a generator rotor shaft, a flange plate fixedly sleeves the outer side of one end of the generator rotor shaft, a generator upper cover is arranged below the flange plate, and the generator upper cover sleeves the outer side of the generator rotor shaft. The generator lower cover is placed below the generator upper cover, through the bearing assembly, the stator core is prevented from shaking in the left-right direction, the stability of the stator core in the whole generator assembly structure is guaranteed, the stator core is supported in the vertical direction, and the stator core is prevented from shaking in the left-right direction. In addition, the moving space of the stator iron core is further restrained in the horizontal direction, the rubber base pad can cooperate with the relaxation clamping plate and other parts in the starting, stopping or continuous operation process of the generator at different wind speeds, the stability of the stator iron core is guaranteed in an all-around mode, and it is guaranteed that the generator is in an efficient and stable operation state all the time.
Owner:NANJING OULU ELECTRIC CORP LTD

Wind turbine

PCT designated stage expiredWO2025132599A1Machines/enginesRenewable energy generation
The invention relates to a wind turbine (10) having a housing (12) and having an arrangement of two rotors (16, 17), which are mounted rotatably in opposite directions about vertical rotor axes (14, 15) in the housing (12) and each have a plurality of rotor blades (18), wherein the rotor axes (14, 15) lie in one plane (24), wherein the housing (12) in each case has a vertical air-guiding element (34, 35) in the outer regions (32, 33) on both sides of the arrangement of the rotors (16, 17), wherein the housing (12) has a vertical wind divider (40) in the central region (30) and on the approach flow side upstream of the arrangement of the rotors (16, 17), the vertical wind divider (40) being configured and arranged relative to the vertical rotor axes (14, 15) in such a way that the flow approaches the two rotors (16, 17) in the outer regions (32, 33), and the vertical wind divider (40) projecting on both sides into the outer regions (32, 33).
Owner:KOHLER ERIK

A wind power generation blade, an adaptive opening and closing method and a wind power generation system

A wind power generation blade, an adaptive opening and closing method and a wind power generation system. The wind power generation blade includes a blade body, the blade body includes a blade stem part, a blade frame and a plurality of window sashes arranged on the blade frame, and the window sashes rotate around an axis. It is characterized in that the opening and closing of the window sashes are controlled by springs and / or magnetic members, and the springs or magnetic members are such that when the wind pressure received by the window sashes is less than the wind pressure threshold value, they remain in a closed state, and when the wind pressure received is greater than the wind pressure threshold value, the window sashes are automatically blown open to avoid strong winds. The present invention also includes an adaptive opening and closing method for a wind power generation blade and a wind power generation system. The present invention can achieve power generation whether in gentle winds or strong winds. Moreover, in the strong wind state, power generation can continue as long as the window sashes are opened, there is no position limitation, gentle winds can be utilized, and strong winds are automatically depressurized, greatly improving the power generation efficiency.
Owner:BROAD BSB CO