253 results about "Wind energy conversion" patented technology

The invention belongs to the technical field of comprehensive utilization of ocean renewable energy sources, and particularly relates to a pilot frequency coupling-based wind wave energy multi-degree-of-freedom broadband control method, which comprises the following steps of: performing frequency domain identification on wind wave environment characteristics, and constructing a wind wave pilot frequency energy coupling model; based on the motion response characteristics of the multi-degree-of-freedom floating platform, designing a pilot frequency energy regulation and conversion mechanism; a full-working-condition dynamic optimization control strategy is adopted, and cooperative operation and energy flow self-adaptive distribution of the wind energy conversion unit and the wave energy conversion unit are achieved. Aiming at the significant difference and relevance of wind energy and wave energy in frequency characteristics, time scale and spatial distribution, a pilot frequency wind wave coupling dynamic model is established, and broadband capture of low-frequency wind-induced and high-frequency wave-induced coupling energy is realized under complex sea conditions through multi-degree-of-freedom motion decoupling and state observation, so that the wind-induced and high-frequency wave-induced coupling energy is obtained. The energy utilization rate, the attitude stability and the structural safety of the system are effectively improved, and good robustness and engineering adaptability are achieved.

The present invention provides a wind-driven direct-driven refrigeration device and a design method for protecting permafrost, which belongs to the field of permafrost engineering technology. The refrigeration device includes a cabinet and a wind turbine unit installed inside the cabinet, a transmission speed-changing mechanism unit and a refrigeration unit. The wind turbine unit is used to convert wind energy into mechanical energy, the transmission speed-changing mechanism unit is used to increase the speed of the wind turbine unit output and the output speed can be adjusted autonomously, the output speed of the transmission speed-changing mechanism unit is limited within a reasonable range, and the refrigeration unit is used to transport cold to the inside of the permafrost foundation to refrigerate the permafrost and protect the permafrost. The wind-driven direct-driven refrigeration device and a design method for protecting permafrost provided by the present invention solve the technical problem of low energy utilization rate of the equipment and methods used for protecting permafrost in the prior art, and have the technical effects of reducing energy loss, high energy utilization rate, high efficiency of the refrigeration system, and good practicality.

The invention provides a wind power direct drive type refrigeration device for protecting permafrost and a design method, and belongs to the technical field of permafrost engineering, the refrigeration device comprises a cabinet, a wind turbine unit, a transmission speed change mechanism unit and a refrigeration unit, and the wind turbine unit, the transmission speed change mechanism unit and the refrigeration unit are installed in the cabinet; the transmission speed change mechanism unit is used for increasing the rotating speed output by the wind turbine unit, the output rotating speed can be automatically adjusted, the rotating speed output by the transmission speed change mechanism unit is limited within a reasonable range, and the refrigeration unit is used for conveying cold energy into the permafrost foundation so as to refrigerate permafrost and protect the permafrost. According to the wind power direct drive type refrigerating device for protecting the permafrost and the design method, the technical problem that in the prior art, equipment and methods used for protecting the permafrost are low in energy utilization rate is solved, and the technical effects that energy loss is reduced, the energy utilization rate is high, the refrigerating system efficiency is high, and practicability is good are achieved.

The invention belongs to the technical field of wind power generation, and particularly relates to a wind storage combined system for coordinated control of hybrid energy storage equipment and a control method. Wherein the wind generating set is used for converting wind energy into electric energy and outputting the electric energy to a power grid; the energy storage equipment comprises a battery energy storage system and a super capacitor; the direct current bus is used for being connected with the wind generating set, the battery energy storage system and the super capacitor through a control system and performing energy exchange with a power supply grid; and the control system is used for carrying out coordinated control on the energy storage equipment based on different power regulation requirements. According to the invention, the problems of power grid frequency fluctuation and power imbalance caused by wind speed fluctuation of the wind power generation system can be solved. Two different types of energy storage devices are integrated, cooperative regulation and control are carried out by utilizing respective characteristics of the energy storage devices, and power dispatching and frequency modulation control of different time scales are realized, so that the stability of a wind power generation system and the reliability of a power grid are improved.

The invention relates to a duct type wind driven generator, an adjustable duct structure and a duct adjusting method. According to the adjustable duct structure, the sensor and the control unit are arranged, the outlet sectional area of the duct unit can be automatically adjusted according to the change of the wind speed, so that the optimal wind energy conversion efficiency and the stability of the aerostat are kept, and continuous and automatic adjustment of the outlet sectional area of the duct unit is achieved. The adjustable ducted structure can be applied to a wind power generation process, so that the adjustable ducted structure can be configured as a ducted wind power generator to convert airflow kinetic energy into electric energy. The problem that an existing aerostat duct structure is unstable in wind energy utilization efficiency under different wind speed conditions is solved, remarkable technical progress is achieved, and the aerostat duct structure is suitable for the field of wind energy collection and conversion.

The invention provides a wind power generation and compressed air energy storage combined device and a control method, the wind power generation and compressed air energy storage combined device comprises a first clutch arranged on a fan shaft, an air compressor, an air storage tank and an expansion machine, and the first clutch is connected with the air compressor through a transmission mechanism to drive the air compressor to rotate; an output port of the air compressor is connected with an inlet of the air storage tank, an outlet of the air storage tank is connected with the expansion machine, the expansion machine is connected with the generator, and the generator is electrically connected with the power transmission and transformation device. By means of the scheme that the impeller directly drives the air compressor in idle time and the compressed air is used for generating electricity, wind power exceeding a threshold value can be fully utilized, and wind energy of the wind power predicted in idle time can be converted into compressed air energy to be stored; and the stored compressed air can be used for compensating the difference value between the wind power prediction and the actual production, so that the benefit of a wind field is improved, and the power grid peak valley control capability is improved.

The invention provides a wind-solar complementary zero-carbon seawater desalination device. The device comprises a solar module, a wind turbine generator, an energy storage electric box, a heat storage water tank, a refrigerating circuit and a seawater desalination tank, the solar assembly is used for providing heat energy for the heat storage water tank. The solar assembly and the wind turbine generator set are used for providing electric energy for the energy storage electric box. The refrigerating circuit is used for freezing seawater in the seawater desalination box by utilizing electric energy in the energy storage electric box; the heat storage water tank is connected with the seawater desalination tank through a heat supply pipeline, and the heat supply pipeline conveys heat energy in the heat storage water tank to the seawater desalination tank to melt frozen seawater in the seawater desalination tank; cold energy and heat energy are obtained by converting solar energy and wind energy, and the long-term cost advantage is achieved; and heat energy in the energy storage water tank and cold energy in the refrigerating circuit can be quickly started and stably run, so that the operation flexibility is improved.

The invention provides a wind power high-voltage direct-current power transmission system, and belongs to the technical field of power transmission. The system comprises an intelligent wind driven generator, a modular converter station, an intelligent temperature monitoring direct current transmission line, a power grid friendly intelligent inverter station, and an intelligent regulation and control system integrating real-time data analysis, dynamic control and fault self-diagnosis. Through a maximum power point tracking algorithm and a self-adaptive control strategy, the system optimizes the wind energy conversion efficiency. The intelligent regulation and control system predicts wind power output by using a deep learning model and a random forest algorithm, dynamically adjusts voltage and current, and quickly responds to power grid demand changes. In addition, the system can quickly position and isolate faults, start a standby path and ensure continuous power supply. By adopting the wind power high-voltage direct-current power transmission system, the intelligent level of wind power high-voltage direct-current power transmission is improved, and the power transmission efficiency and the system stability are enhanced.

The invention provides a horizontal-shaft multi-barrel type wind power generation device and a using method thereof.The horizontal-shaft multi-barrel type wind power generation device comprises at least one rotating shaft and a plurality of hollow barrels which are sequentially arranged in the axial direction of the rotating shaft, and a plurality of inclined ventilation holes are formed in the surface of each barrel; positive and negative pressure difference generated by the ventilation holes drives the barrel bodies to rotate around the rotating shaft, the multiple barrel bodies are arranged at intervals to achieve cascade driving of wind energy, the rotating shaft is connected with a power generator, and the power output of the power generator is adjusted through a microprocessor control system. Through the hollow barrels sequentially arranged along the rotating shaft and the vent holes obliquely formed in the barrels, the barrels are driven to rotate through the wind pressure difference, and wind energy is effectively captured. Adjacent barrel bodies are arranged at proper intervals, airflow interference is avoided, and the wind energy conversion efficiency is improved. The rotating shaft is directly connected with the permanent magnet synchronous generator, efficient mechanical energy-to-electric energy conversion is achieved, and the system stability is high.

The present invention provides a method and device for evaluating the energy efficiency level of a wind turbine generator set. The evaluation method is based on a neural network and an adaptive threshold, and includes the following steps: S1, establishing a neural network model based on historical data for training to obtain a predicted value of a core parameter; S2, calculating the reliability loss of the core parameter according to the predicted value and actual value of the core parameter; S3, setting the weight of the core parameter; S4, calculating the energy efficiency level of the subsystem corresponding to the core parameter according to the weight and the reliability loss; S5, based on the extreme value theory, using the exponential probability density form to directly fit the historical data of the reliability loss, and obtaining the starting value of the adaptive threshold of the reliability loss; S6, establishing a sliding window to calculate the adaptive threshold at each time point; S7, judging whether the energy efficiency level of the wind turbine generator set meets the standard according to the adaptive threshold. The present invention accurately obtains the wind energy conversion level of the subsystem and the whole machine by calculating the reliability loss of the core parameter, and can more accurately obtain the predicted value of the core parameter.

The invention discloses an arid and semi-arid region well and canal double-irrigation rotation irrigation wind-solar complementary intelligent water-saving salt-control irrigation device and method. The device comprises a sensor monitoring module used for acquiring environment data and water level information of well water and canal water in real time; the energy supply module comprises a solar assembly and a wind power generation assembly, the solar assembly is used for converting solar energy into electric energy, the wind power generation assembly is used for converting wind energy into electric energy, and the energy supply control module is connected with the sensor monitoring module and the energy supply module. The calculation module is used for calculating irrigation water quantity according to the environment data and the water level information; and the irrigation module is connected with the control module and is used for controlling the output water quantity according to the calculated irrigation water quantity. Water resource shortage in arid and semi-arid areas can be relieved, and water resource waste in the irrigation process is avoided.

The invention relates to the technical field of wind power generation, in particular to a wind power generation prediction method and system based on digital twin energizing and computer equipment. Comprising the following steps: establishing a blade stress-strain physical model, and quantifying a blade load and fatigue damage by combining aerodynamics and a thin plate bending theory; integrating weather, equipment parameters and operation data, and building a digital twinborn platform of a multi-task learning framework; executing the main task and the auxiliary task in parallel; theoretical generating capacity is calculated through a wind energy conversion equation, and a predicted value is corrected by fusing RNN; and selecting an optimal predicted value based on a confidence interval, and dynamically adjusting a yaw angle and a pitch angle in combination with an extreme weather risk level to form closed-loop control. According to the scheme, the power generation prediction error is reduced by 18%, the service life of the blade is prolonged by 28%, extreme weather early warning is brought forward by 72 hours, and the power generation efficiency and the equipment safety are remarkably improved.

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.

The invention belongs to the technical field of constructional engineering, and particularly relates to a fabricated energy-saving building which comprises unit walls, a plurality of unit walls are sequentially spliced to form a wall body, the four wall bodies form a regular quadrangle, and the ends, close to each other, of any two adjacent wall bodies are connected through a corner; the light energy conversion mechanism is arranged in a containing groove formed in the unit wall, and the light energy conversion mechanism is used for converting solar energy into electric energy and supplying the electric energy to electric equipment in the building; the wind energy conversion mechanism is arranged at the top end of the top plate, and the wind energy conversion mechanism is used for converting wind energy into electric energy to be used by electric equipment in the building; and the rainwater recycling mechanism is arranged at the top end of the wind energy conversion mechanism, and the rainwater recycling mechanism is used for collecting rainwater and cleaning the outer side wall of the unit wall and the protection plate through the collected rainwater. According to the invention, various renewable energy sources can be fully utilized and can be quickly deployed.

The invention discloses a self-cooling rotary brake based on magnetorheological solid-liquid phase change, and belongs to the field of magnetorheological fluid braking. The working temperature of the magnetorheological fluid brake is crucial to the braking performance of the magnetorheological fluid brake. The brake is mainly composed of a wind generating set and a magnetorheological fluid brake with a self-function heat dissipation function, in service, a fan turbine (1) drives a rotating shaft (9), a rotor (10), a brake disc (6) and fan blades (15) to rotate under the action of wind power, the rotor and a stator (3) convert wind energy into electric energy, the brake disc immersed in magnetorheological fluid (14) restrains the rotating speed of the rotating shaft, and the fan blades (15) are driven to rotate. And meanwhile, the fan blades at the bottom continuously discharge air from the ventilation holes (11) to the bottom of the brake along the outer surface of the magnetorheological fluid disc shell (13). According to the structure, the working characteristics of the rotary brake are utilized, the draft fan blades are designed at the bottom of the rotating shaft, air flow of the disc containing cylinder containing the magnetorheological fluid is accelerated, and the magnetorheological fluid can be kept at the low temperature without an additional radiator.

The utility model relates to the technical field of storage and release, in particular to a magnetic suspension breeze generator which comprises a supporting assembly, a motor assembly is arranged at the top of the supporting assembly, and a top power generation assembly is arranged at the top of the motor assembly. According to the utility model, the passive magnetic bearing type supporting magnetic suspension wind driven generator composed of the stator coil, the motor shell and the magnetic steel is utilized, so that the friction between the bearings can be reduced, the mass is minimized, and the wind energy conversion efficiency is improved; the influence of intermittency and volatility of wind power on the stability of a power grid can be reduced by utilizing the static reactive power compensator and the flexible alternating current power transmission module, the residual power of the power grid is absorbed to a low ebb by utilizing the bidirectional regulation function of the static reactive power compensator and the flexible alternating current power transmission module, and the wind power is converted into high-quality electric energy to be stored, so that the abandoned wind power is reduced; therefore, the safety and stability of power grid operation and the utilization rate of the wind driven generator are improved.

The invention discloses a wind turbine blade aerodynamic characteristic optimization and power generation efficiency improvement system, and relates to the technical field of wind turbine operation optimization. A wind speed analysis module establishes wind energy distribution models of different wind speed grades according to historical wind regime data and real-time wind speed changes, analyzes whether wind speed sudden change exists or not based on the wind energy distribution models, and sends the analyzed wind speed sudden change to a power generation module; the load analysis module introduces a power grid end load demand to form a load change model, whether load fluctuation exists or not is analyzed based on the load change model, and the collaborative optimization module takes wind speed abrupt change and the load fluctuation as input variables and collaboratively optimizes a real-time adjustment strategy of a paddle through an adaptive control algorithm. According to the lifting system, a wind speed and load double sensing mechanism is constructed, an intelligent optimization algorithm and a pneumatic real-time monitoring network are introduced, the self-adaptive capacity of a fan in a variable environment is remarkably improved, the real-time performance and the fineness of paddle control are enhanced, and the control efficiency is improved. And the wind energy conversion efficiency, the power generation output stability, the structural safety and the operation intelligence level are obviously improved.

The utility model relates to a wind power generation system for marine ship navigation, which comprises a vertical fan, a constant-pressure oil pump, an oil storage tank, a hydraulic distributor, a hydraulic motor, a generator and a hydraulic accumulator, a blade shaft of the vertical fan is provided with a rotating speed sensor and connected with the constant-pressure oil pump, and the rotating speed sensor is connected with the generator. The constant-pressure oil pump is connected with an oil storage tank, the oil storage tank is provided with a hydraulic distributor, the hydraulic distributor is connected with a plurality of generator sets, and electric energy generated by each generator set is merged into the ship micro-grid combined cabinet. According to the utility model, liquid energy with rated pressure is respectively output to each generator set through the liquid energy distributor, 380V and 220V alternating current and 48V direct current can be obtained, each path of liquid energy has rated liquid energy for the generator set with hydraulic power to stably generate electricity, the generated electric energy is combined and input into a ship-ship micro-grid, the wind energy is comprehensively absorbed, and the conversion rate of the wind energy reaches more than 60%.

The invention discloses a circuit board optimization method applied to wind energy conversion, and the method comprises the steps: integrating a dynamic load matching module on a circuit board, collecting the voltage, current and frequency signals outputted by a wind turbine generator in real time, calculating the current wind energy conversion efficiency through an embedded controller, and combining with a preset maximum power point tracking algorithm, dynamically adjusting the switching frequency of the power semiconductor device; a layered heat dissipation structure is adopted, a circuit board base material is made of a high-thermal-conductivity composite ceramic material, a micro-channel cooling system is embedded in the circuit board base material, and the circuit board base material is connected with external heat dissipation fins through heat pipes; a thermoelectric refrigeration sheet is arranged below the power device, and the refrigeration power is dynamically adjusted according to the feedback of a temperature sensor, so that the temperature of a key device is maintained in a safe range of 50-80 DEG C; through a multi-objective optimization algorithm, the circuit loss, the heat dissipation efficiency and the electromagnetic compatibility are balanced, the circuit layout and the wiring path are optimized, and the influence of parasitic inductance and capacitance on the high-frequency switch is reduced.

The invention relates to the field of energy management, and discloses a photovoltaic and breeze power generation combined bus station energy management system, which comprises an energy collection module, and the energy collection module collects light energy and wind energy so as to supply power to bus station equipment and realize an effect of green power generation. The energy acquisition module is connected with an energy conversion and storage module, the energy conversion and storage module converts light energy or wind energy acquired by the energy acquisition module into electric energy and stores the electric energy, and the energy acquisition module is connected with a central control module. By means of the central control module, the energy algorithm module and the energy collection scheme selection module, the advantages of photovoltaic power generation and breeze power generation are balanced and the power is pre-estimated by depending on a related accurate calculation formula, and then a plurality of sets of collection schemes are combined, so that weather changes are flexibly dealt with, common defects of light energy and wind power generation are overcome, and the power generation efficiency is improved.

The invention relates to the technical field of wind power prediction, and discloses a wind power prediction system fusing a physical model and machine learning, which comprises a multi-dimensional acquisition module and an intelligent prediction module. According to the wind power prediction system fusing the physical model and the machine learning, forecast data, sensing data and fan management data of all meteorological factors are acquired through a multi-dimensional acquisition module and are classified to form a data set, an intelligent prediction module analyzes a linear feature relationship among the meteorological factors, predicted atmospheric pressure, predicted air density and predicted power are generated, and the wind power prediction efficiency is improved. The intelligent prediction module establishes constraint conditions for a subsequent prediction model, monitors a nonlinear characteristic relation between a meteorological factor prediction value and a real-time numerical value, generates a monitoring data set and a random forest model, dynamically corrects model parameters, and is high in wind energy prediction accuracy according to the monitoring data set. The influence of each meteorological factor on the wind energy conversion efficiency is analyzed, a corresponding evaluation report is output, and the dynamic monitoring optimization capability is high.

The invention relates to an overhead line monitoring method in which an operating state of an overhead line is characterized metrologically in order to keep the operating state of the overhead line within a predefinable permissible range depending on weather influences by regulating an energy feed-in into the overhead line and at the same time to maximize an energy utilization of the overhead line within the permissible range of the operating state, comprising the steps: • Generation of evaluable measurements depending on wind speeds v i at a plurality n of measuring points i=1...n along an overhead line, in particular at locations where overhead line masts are erected, wherein ◯ Wind energy at a measuring point i is converted into a rotational movement of a rotor (2) of a sensor (1), ◯ the rotational movement is converted into a periodic, local deformation of at least one optical waveguide (3) running parallel to the overhead line at the measuring point i, • Calculation of wind speeds v i at the n measuring points by evaluating periodic changes in signal attenuation caused by deformation in the optical waveguide (3) • Assessment of the operating condition of the overhead line based on wind speeds v i . The invention further relates to a measuring transmitter for generating an evaluable measured quantity as a function of wind speed.

The invention relates to a wind power generation method for marine ship navigation, a vertical fan drives a constant pressure oil pump to output hydraulic energy through rigid connection under the action of wind energy, a rotating speed sensor monitors the rotating speed of a blade shaft of the vertical fan in real time, and a hydraulic distributor receives a feedback signal of the rotating speed sensor to automatically control each generator set. Liquid energy with rated pressure is output to each generator set through the liquid energy distributor, 380V and 220V alternating current and 48V direct current can be obtained, each path of liquid energy has rated liquid energy for the generator sets with hydraulic power to stably generate electricity, generated electric energy is combined and input into a ship-ship micro-grid, wind energy is comprehensively absorbed, and the wind energy conversion rate reaches 60% or above.

The application discloses a constant power control method and device of a wind energy conversion system based on non-Gaussian data and a medium, establishes a performance index based on second-order information potential, and obtains optimal control input by optimizing the established performance index through a Newton method, so that the output speed and output power of the wind energy conversion system under non-Gaussian wind speed interference can track the set value, constant power control of the wind energy conversion system is realized, the fluctuation of the output power is reduced, and the service life of the wind turbine is prolonged. The application performs controller design under the condition that the interference is a non-Gaussian random variable, compared with the existing method in which noise is ignored or noise is assumed to be subject to Gaussian distribution, the application is more general and practical. Moreover, the application considers the mutual relationship between two closed loop circuits in a multivariable system, adds joint information potential in the performance index, allows variable speed during a transient period, and can obtain higher control performance.

The invention relates to the technical field of heat pumps, and discloses a wind-electric heat pump system coupled with heating, comprising: a vertical axis generator, wherein the vertical axis generator converts wind energy into electric energy, and an output end thereof is connected to an energy storage cabinet for electric energy storage and management, the output end of the energy storage cabinet is connected to a heat pump host, and the output end of the heat pump host is connected to indoor heating equipment, an air inlet mesh plate is arranged in the air inlet of the heat pump host, an air outlet is arranged at the upper center position of the heat pump host, an air outlet protective cover is arranged outside the air outlet, a cover frame is arranged on the air outlet protective cover, and a power component is fixedly arranged at the center position of the cover frame; the air discharged from the air outlet of the invention is reduced, the rotation speed of the turbine blade is reduced, and under the shaking and the suction force of a large amount of air intake, the dust or poplar fluff blocked on the air inlet mesh plate is shaken off, which is conducive to automatically maintaining the air inlet mesh plate without stopping the machine, and is conducive to reducing high-load operation and poor heat exchange effect caused by small air intake.

The invention discloses a green energy power supply device for an electric meter, which comprises an L-shaped mounting plate, an electric meter box and a photovoltaic panel, the L-shaped mounting plate is fixed on a proper object, the electric meter box is fixed on the L-shaped mounting plate, the electric meter box is connected with the photovoltaic panel through a wire, the surface of the electric meter box is provided with a box door through a hinge, and the box door is connected with the photovoltaic panel through a wire. An observation window is arranged in the middle of the box door, a plurality of intelligent electric meters are arranged at the upper end in the electric meter box, and a storage battery is arranged at the lower end. Solar energy or wind energy is converted into electric energy to charge the storage battery, the electric energy is provided for the electricity meter through the storage battery, effective utilization of all generated energy is guaranteed, waste of the generated energy is avoided, meanwhile, the photovoltaic panel and the fan blade plate are unfolded in an X shape, the power generation mode is changed according to different conditions, and the power generation efficiency is improved. The limitation that a power supply device has high requirements for ambient light is overcome, and solar power generation and wind power generation can be freely converted in different sunlight environments.

The utility model relates to the technical field of wind driven generators, in particular to a horizontal shaft lift-drag combined type wind driven generator which comprises a support, a rotating shaft, a lift force blade structure, a rose fan blade structure and a ratchet wheel structure, the rotating shaft is horizontally arranged on the support, the two ends of the rotating shaft are rotationally connected with the support, and the lift force blade structure is fixed to the rotating shaft. The rotating shaft is sleeved with the rose fan blade structure, the rotating shaft, the lifting force blade structure and the rose fan blade structure share the same center shaft, the rose fan blade structure is connected with the rotating shaft through the ratchet wheel structure, the downwind rotation directions of the lifting force blade structure and the rose fan blade structure are the same, and the rose fan blade structure is a resistance type blade and is large in output torque. During starting, the ratchet wheel structure can drive the rotating shaft and the lifting force blade structure to get rid of the static state more quickly, low-wind-speed quick starting can be achieved, and the lifting force blade structure of the horizontal shaft has higher wind energy conversion efficiency.

The present invention relates to the technical field of wind power generation, and discloses a wind energy conversion device for wind power generation, including an air induction component, the bottom of the air induction component is provided with a support mechanism fixedly connected to the roof of a car, the support mechanism is connected to a locking component connected to the air induction component, and the front end of the air induction component is connected to a closing component. The present invention adopts a modular design, which is convenient for installation on the roof of the car, and is installed by first docking and then sealing, which is convenient for docking installation and can be sealed from the top of the roof, improve the waterproof effect, and facilitate the installation operation of the installation operator; it can use the car to generate wind power when braking or decelerating, improve the deceleration effect of the car, collect the wind energy generated during the driving of the car to generate electricity, improve the cruising range of the car, and save energy.

The invention relates to the field of electric power, in particular to a wind power generation system. Comprising a rotating base and a wind power driving component installed on the rotating base, a middle base is connected to the rotating base in a matched mode, two fixing pieces are symmetrically and rotationally connected to the middle base, motors I are fixedly connected to the two ends of the middle base, rotating shafts are connected to output shafts of the two motors I through couplings, and the two rotating shafts are fixedly connected with the two fixing pieces respectively. The rotating seat is rotationally connected to the middle seat, a gear ring is fixedly connected to the rotating seat, a gear is fixedly connected to the middle seat, a motor III is fixedly connected to an output shaft of the gear, and the motor III is in meshing transmission connection with the gear ring. The wind power generation device has the beneficial effects that windward stress can be carried out at different height positions to realize conversion and utilization of wind energy.

The application relates to the field of ship energy centralized management technology, in particular to a comprehensive ship electric energy management system based on the Internet of Things, which comprises a front-end power generation module, an electric power algorithm module, a control management module, a front-end monitoring module and a man-machine interaction module; the front-end power generation module converts wind energy into electric energy, converts heat energy generated by diesel engine work into electric energy and converts mechanical energy output by the diesel engine into electric energy; the front-end power generation module is connected to a power grid and delivers electric power to the power grid; the electric power algorithm module monitors electric power output of a wind flow power generation unit, a low-temperature waste heat unit and a shaft power generation unit, collects and analyzes stored electric energy of the front-end power generation module; the front-end monitoring module is used for monitoring electric power generation; and the control management module adjusts electric power flowing into the power grid according to fitting and analysis results. The application has the effect of reducing additional energy consumption of the ship and maintaining overall electric energy efficiency of the ship in an optimal range.