5219results about "Wind motor combinations" patented technology

The present invention relates to a production and energy system based on a new energy-powered submerged arc furnace, and a related control method. The production and energy system comprises a power transmission and distribution system, a renewable energy power generation system, an energy storage system, and a submerged arc furnace-based production system. The power transmission and distribution system is respectively connected to the renewable energy power generation system, the energy storage system, and the submerged arc furnace-based production system. The production and energy system further comprises an energy control system. The energy control system comprises: an integrated regulation and control system used for performing integrated regulation and control on the production and energy system by means of the power transmission and distribution system; a renewable energy power generation control system used for controlling operation of the renewable energy power generation system; an energy storage control system used for controlling operation of the energy storage system; and a submerged arc furnace-based production control system used for controlling operation of the submerged arc furnace-based production system. Compared with the prior art, the present invention has the advantages of optimizing energy utilization, achieving environmental protection and low-carbon development, improving the stability and reliability of the energy system, etc.

The embodiment of the invention provides a wind turbine generator control method and system based on wind power plant wind regime prediction, and belongs to the technical field of wind power. The method comprises the following steps: collecting operation condition information of a target wind turbine generator, and preprocessing the operation condition information; taking the preprocessed operation condition information as a model input parameter, performing wind speed prediction based on a pre-trained wind speed prediction model in real time, and obtaining a time sequence wind speed prediction value; performing average turbulence intensity prediction within a predetermined time period based on the time sequence wind speed prediction value; and matching and executing a corresponding wind turbine generator control scheme based on the wind speed numerical interval where the time sequence wind speed predicted value is located and the turbulence intensity numerical interval where the average turbulence intensity is located. According to the scheme, through accurate wind speed and turbulence prediction, accurate wind power equipment self-adaptive adjustment strategy intervention is achieved, and the operation stability and economic benefits of a wind turbine generator are improved.

The invention discloses a wind power plant yaw control optimization method based on a sequential optimization algorithm, and the method comprises the steps: obtaining the coordinates of all fans at a current inflow wind direction angle, queuing all fans after the coordinates are converted in sequence, and calculating the yaw angle range of each cycle according to the actual demands; (n-1) times of outer layer circulation are set for the first (n-1) fans in the preliminary optimization process, in each outer layer circulation, yaw angle traversal value taking circulation is conducted on a certain fan according to the obtained yaw range and the uniform step length, and then the optimal yaw combination and the corresponding power of the wind power plant are obtained; and then optimization is carried out to obtain the optimal yaw angle of each fan in the whole field. According to the method, the wake flow secondary deflection effect in the wind power plant and the influence effect of the inflow turbulence intensity on the wake flow are considered, the improved Gaussian wake flow model is adopted to comprehensively consider calculation of wake flow loss in the three-dimensional direction, the calculation result is more accurate, and the final control optimization effect can also conform to the actual engineering situation.

The invention relates to the technical field of wind power generation. The invention provides a wind field unit comparison type fault diagnosis method, system and device and a storage medium. The method comprises the following steps: synchronously acquiring operation and corresponding environment data of units of the same type in the same wind field, and establishing a multi-dimensional data set; building a normal working condition multi-dimensional parameter reference model by using clustering analysis and updating in real time; performing multi-scale comparison on a target and a reference unit, and extracting feature fusion to generate a comprehensive health index; establishing a double-layer diagnosis model, constructing a virtual unit based on digital twinning in the first layer, comparing residual errors and positioning a potential fault source, detecting outliers by using an improved isolated forest algorithm in the second layer, determining a fault propagation path in combination with an association rule, and establishing a fault mode knowledge base; and triggering an early warning mechanism according to the comprehensive health index and the fault mode classification. The problems that a traditional operation and maintenance mode is difficult in fault prediction, high in cost and lack of a reliable evaluation system, state monitoring is limited to a single parameter, multi-unit comparative analysis means are insufficient, and fault diagnosis is lagged are solved.

The invention discloses a cooling system, method and device of a wind generating set, and relates to the technical field of wind power generation. The cooling system comprises a cooling loop, the cooling loop comprises a cooling pump station, a cooling medium, a connecting assembly and a plurality of cooling branches connected in parallel, the connecting assembly communicates between the cooling pump station and the cooling branches, the cooling pump station drives the cooling medium to circularly flow in the cooling loop, and each cooling branch comprises N heat exchange assemblies connected in series, n is an integer greater than or equal to 2; wherein the outlet of the cooling pump station is respectively connected with the inlet of each cooling branch, and the inlet of the cooling pump station is respectively connected with the outlet of each cooling branch. In other words, when the cooling system is designed, the heat exchange assemblies are connected in series, so that the number of parts can be reduced, the cost is reduced, and the economical efficiency is improved.

The invention relates to the technical field of new energy pipelines, in particular to an anti-cracking hydrogen-doped pipeline system and a performance degradation monitoring method thereof. The hydrogen-doped pipeline system comprises a pipeline assembly, a supporting assembly, an operation assembly, a power assembly, a storage battery pack, a system control cabinet and a power generation assembly, the phenomena of hydrogen permeation and gas stratification are effectively inhibited through innovative pipeline structure design and material optimization in the system level, the hydrogen embrittlement risk is reduced from the source, and the energy consumption is reduced. According to the method, the hydrogen atom diffusion tracking and crack initiation prediction are combined, and a multi-scale collaborative monitoring system is constructed, so that the whole-process monitoring from hydrogen atom diffusion tracking to crack initiation prediction is realized, and particularly, a quantum dot marking technology is combined with a traditional sensing network, so that the service life of the pipeline can be effectively prolonged, and the reliability and the maintenance efficiency of safety monitoring are improved.

The invention provides a self-regulation type wide-speed-range wind energy collection device. The self-regulation type wide-speed-range wind energy collection device comprises a mounting base, a driving shaft, a power generation mechanism and a shifting mechanism. The mounting base is provided with a containing cavity. The driving shaft is rotationally arranged on the mounting base and penetrates through the containing cavity, and the end, extending out of the mounting base, of the driving shaft is connected with fan blades. The multiple power generation mechanisms are arranged in the containing cavity, and the power generation mechanisms are arranged in the axis direction of the driving shaft at intervals. The number of the shifting mechanisms is multiple, and all the shifting mechanisms are arranged in the containing cavity and fixedly connected with the driving shaft. The stirring mechanisms are in one-to-one correspondence with the power generation mechanisms, and each stirring mechanism is provided with a stirring part. And the shifting part in each shifting mechanism can be in power connection with the corresponding power generation mechanism after the driving shaft reaches the corresponding rotating speed so as to drive the power generation mechanism to generate power. The self-regulation type wide-speed-range wind energy collecting device can adapt to a wide wind speed range, adaptability is high, and meanwhile the service life of the fan blades and other components can be prolonged.

A control system configured to control switching of taps of an on-load tap changer provided on an electric power transformer. The on-load tap changer includes switches that are controllable to switch between transformer taps. The control system includes a detector configured to detect an indication of a zero crossing of a transformer voltage of the transformer and a control signal generator configured to generate a control signal that controls a switching of the switches for performing a tap change to a new transformer tap. The control signal generator is configured to determine the timing of the control signal for changing the transformer tap based on the detected indication of the zero crossing of the transformer voltage such that the switching of at least one of the switches for performing the tap change occurs a predetermined time prior to a zero crossing of a tap voltage at the new transformer tap.

The invention relates to a multi-energy combined supply system which can collect waste heat and waste electricity in various forms, store the waste heat and the waste electricity in sand in a heat energy form, convert the waste heat and the waste electricity into high-quality heat energy and supply energy to the outside in four energy forms of cold, heat, electricity and steam. According to the invention, abandoned energy optimization, multiple purposes of waste energy, off-peak energy storage, cross-season energy storage and multi-energy complementation in cities can be realized. The system comprises a comprehensive energy subsystem, a sand energy storage subsystem, an energy supply subsystem and an intelligent control subsystem. The comprehensive energy subsystem comprises a power supply subsystem and a heat supply subsystem. The sand energy storage subsystem comprises a low-temperature heating subsystem, a low-temperature heat storage subsystem, a high-temperature heating subsystem, a high-temperature heat storage subsystem, a low-temperature heat exchange subsystem and a high-temperature heat exchange subsystem. The sand energy supply subsystem comprises a heat supply subsystem, a cold supply subsystem, a power supply subsystem and a steam supply subsystem. The intelligent control subsystem comprises a sensing subsystem, a network subsystem and an application subsystem.

The invention discloses a ducted layout rigid-flexible mixed structure mooring aerostat type high-altitude wind power generation system which comprises an air aerostat wind power generation system, an air-ground electric energy transmission and mooring cable and a ground anchoring system, and the air aerostat wind power generation system is connected with the ground anchoring system through the air-ground electric energy transmission and mooring cable. The air aerostat wind power generation system comprises a ducted thin-wall truss bearing structure, an annular air bag, an empennage, a skin component and a wind power generator set, and the ducted thin-wall truss bearing structure is provided with a plurality of constraint spaces distributed in the longitudinal direction; the plurality of annular air bags are respectively arranged in the plurality of constraint spaces; a plurality of empennages are arranged at the rear part of the ducted thin-wall truss bearing structure; the ducted thin-wall truss force bearing structure and the multiple empennages are sleeved with the skin component. The wind generating set is installed in the ducted thin-wall truss force bearing structure through the supporting structure. The device is stable in structure, can stably generate power in a long-time air-staying mode, is low in cost, and is autonomous and controllable.

The invention provides a wind turbine generator transmission chain fault detection method and device, and relates to the technical field of fault detection.The wind turbine generator transmission chain fault detection method comprises the steps that time sequence operation data and state waveform data of a wind turbine generator transmission chain are obtained; determining an abnormal characteristic index of the transmission chain of the wind turbine generator according to whether the time sequence operation data meets a preset target rule or not; according to the state waveform data, determining a time domain characteristic index and a frequency domain characteristic index of a transmission chain of the wind turbine generator; and based on the abnormal feature index, the time domain feature index and the frequency domain feature index, determining fusion features, and determining a fault detection result of the wind turbine generator transmission chain according to the fusion features, thereby solving the technical problems of incomplete data feature mining and low fault detection accuracy in the prior art.

The invention relates to the technical field of wind power generation, and particularly discloses a duct double-turbine supercharged windmill which comprises a duct and a blade type rotating structure arranged in the duct. The duct sequentially comprises a first contraction section, a first straight section, a second contraction section and a second straight section in the air flow direction, and the diameter of the first straight section is larger than that of the second straight section. The blade type rotating structure comprises a rotating shaft, a first-stage turbine and a second-stage turbine, the first-stage turbine and the second-stage turbine are arranged on the rotating shaft, the first-stage turbine and the second-stage turbine are correspondingly arranged on the first straight section and the second straight section respectively, and the rotating shaft is connected with the generator through a transmission structure. Structural improvement is carried out through the blade type rotating structure and the duct, the turbofan located at the front end drives the turbofan located at the rear end to rotate, and therefore the wind energy utilization rate is increased.

The invention relates to the technical field of wind power equipment detection, in particular to a wind turbine generator blade fracture damage detection method applying an inspection robot, which comprises the following steps of: S1, constructing a blade three-dimensional point cloud model and positioning the position of the robot in real time through a laser radar and a visual SLAM (Simultaneous Localization and Mapping) module carried on a robot body; s2, generating a spiral detection path covering the surface of the blade based on a path planning algorithm optimized by the genetic algorithm; s3, synchronously collecting blade surface data by adopting a multi-mode sensor array, wherein the blade surface data comprise pulse thermal imaging data, ultrasonic guided wave signals and high-resolution visible light images; s4, performing feature fusion on the acquired data through a deep convolutional neural network; through multi-modal sensor cooperative detection, deep learning feature fusion and digital twinborn evaluation technologies, full-process automatic detection from damage identification to life prediction is realized, the detection precision and efficiency are significantly improved, and reliable guarantee is provided for safe operation of the wind turbine generator.

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 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 an aerostat with a built-in pressure adjusting structure, a wind power generation system and a control method, the aerostat of one embodiment comprises an auxiliary air bag, the pressure adjusting structure arranged in the auxiliary air bag and a pressure control structure arranged outside the auxiliary air bag, the pressure adjusting structure comprises an air duct pipe, a first valve arranged at one end of the air duct pipe, a second valve arranged at the other end of the air duct pipe and a fan arranged in the air duct pipe and located between the first valve and the second valve. The pressure control structure comprises a controller and a differential pressure sensor, and the controller is used for controlling the fan, the first valve and the second valve to exhaust or inflate the auxiliary air bag according to the air pressure, sensed by the differential pressure sensor, of the bag body. According to the embodiment, the pressure adjusting structure of the aerostat is integrally arranged in the auxiliary air bag, the beneficial effects of being compact in structure, good in air tightness and the like are achieved, the stability and reliability of the aerostat are remarkably improved, and the practical application value is achieved.

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.

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 wind power generation equipment with the heat dissipation mechanism comprises a shell, a base is fixedly connected to the bottom of the inner wall of the shell, a power generator is fixedly connected to the top of the base, a round rod is fixedly connected to a driving shaft of the power generator, and a speed increasing box is fixedly connected to the end, away from the power generator, of the round rod; a wind wheel shaft is fixedly connected to the side, away from the round rod, of the speed increasing box, a hub is fixedly connected to the end, away from the speed increasing box, of the wind wheel shaft, blades are fixedly connected to the hub, a cooling device is fixedly connected to the top of the inner wall of the shell, air cooling devices are fixedly connected to the two sides of the inner wall of the shell, and rectangular holes are formed in the two sides of the shell. According to the wind power generation equipment with the heat dissipation mechanism, when a power generator works to generate heat, a water pump is started, cooling liquid in a cooling liquid box is pumped, the cooling liquid enters a cooling liquid pipe through a water outlet pipe and a folding pipe, and the cooling liquid conducts heat dissipation on the surface of the power generator.

The invention provides a marine ranch breeding and zero-carbon comprehensive energy system based on marine energy. The marine ranch breeding and zero-carbon comprehensive energy system specifically comprises a floating platform module, a marine ranch module, a marine renewable energy power module, a wind power-hydrogen ammonia conversion module, an intelligent control module, a marine transportation system and a consumption terminal. Functional fusion of offshore energy and marine ranching is achieved, the sea area intensive utilization rate, the sea area resource development efficiency and the marine resource development technology level are effectively improved through the wind-fishery-hydrogen-ammonia fusion development mode, the marine resource development cost is effectively reduced, advantage complementation is formed, commercial state fusion is achieved, and the development cost is reduced. And the intelligent control module can realize energy collaboration of the offshore energy, so that the utilization rate of the power generation output power of the offshore renewable energy power module is improved while the operation of the power grid is stabilized, and the wind power-hydrogen ammonia conversion efficiency is improved.

The invention discloses a high-tower wind turbine generator fault early warning and diagnosis method and system. The method comprises the following steps: preprocessing SCADA data of the high-tower wind turbine generator; decomposing the preprocessed SCADA data through an improved EEMD algorithm, extracting feature information of at least two time scales, and splicing I MF components of at least two time points into a feature matrix; inputting the feature matrix into an enhanced vision Transformer (Vi T) model to obtain a prediction result of the real-time state of the wind turbine generator; and calculating a residual matrix based on the prediction result and the SCADA data, and when a root mean square error of the residual matrix exceeds a preset early warning threshold, triggering fault early warning. According to the technical scheme, by improving the EEMD algorithm and enhancing the visual Transform model, the accuracy and real-time performance of fault early warning and diagnosis of the high-tower wind turbine generator system are improved, the intelligent level of the system is enhanced, and the operation and maintenance cost is reduced.

The invention relates to the technical field of wind power generation, in particular to a forward and reverse rotation double-rotor multi-blade wind generating set, and aims to overcome the defects of low wind energy utilization rate and unstable power generation reliability caused by inconvenience in angle adjustment of blades in the prior art, the following scheme is provided: the forward and reverse rotation double-rotor multi-blade wind generating set comprises a base; the number of the fixing legs is four, and the four fixing legs are all fixedly installed at the bottom of the base; the turntable is rotatably mounted at the top of the base, a first mounting box is fixedly mounted at the top of the base, and a first stepping motor is fixedly mounted on the inner wall of the first mounting box; and the number of the supporting columns is two, the two supporting columns are both fixedly installed on the top of the rotating disc, first rotating shafts are both rotatably installed on the two supporting columns, and the angle of the blades can be conveniently adjusted, so that the wind energy utilization rate can be further increased, and the power generation reliability can be further improved.

The invention discloses a mooring type floating wind power generation device, and belongs to the technical field of wind power generation. The device comprises a first bag body, the peripheral surface of the first bag body is a rotary surface, and the diameter of the first bag body is gradually increased from front to back; the peripheral surface of the second capsule body is a rotary surface, the diameter of the second capsule body is gradually reduced from front to back, the second capsule body is arranged on the rear side of the first capsule body at intervals, and a crack is formed between the second capsule body and the first capsule body; the first ring wing sleeves the radial outer side of the crack; the radial outer side of the second bag body is sleeved with the second ring wing; and the contra-rotating fan blades comprise two fan blades with opposite rotating directions, each fan blade comprises a hub and a blade body connected to the hub, the hubs are located in the cracks, and at least part of the fan blades are located outside the cracks in the radial direction and located in the area defined by the first ring wings. According to the mooring type floating wind power generation device, the aerial high-density wind energy capturing capacity is considered, and meanwhile the aerodynamics and the aerial floating capacity of the aerostat are enhanced.

The invention discloses a self-powered multifunctional wireless sensing system based on a wind energy friction nano-generator, which comprises a self-powered module, the self-powered module is provided with the wind energy friction nano-generator capable of generating alternating current, and the self-powered module comprises a supporting seat and a friction power generation assembly fixedly assembled on the supporting seat; the friction power generation assembly comprises a wind energy rotating mechanism, an FEP film sleeve layer, a first power generation copper electrode set and a second power generation copper electrode set, the first power generation copper electrode set and the second power generation copper electrode set are fixedly attached to the outer side of the fixing cylinder, and the FEP film sleeve layer is connected to the outer side of the first power generation copper electrode set and the outer side of the second power generation copper electrode set in a sleeving mode. The wind energy rotating mechanism is connected to the outer side of the FEP film sleeve layer in a sliding and sleeving mode. Two copper foil sheets are arranged in the wind energy rotating mechanism; the wireless sensing module is electrically connected with the first power generation copper electrode group, and the wired energy supply module is electrically connected with the second power generation copper electrode group. The friction nanometer generator can supply power to the wireless unit and the wired unit at the same time, and the utilization efficiency of the friction nanometer generator on wind energy is improved.

Disclosed is a marine fuel cell-based integrated heat, electricity, and cooling supply system comprising a power supply system and a waste heat recovery system; the power supply system comprises wind turbine generator sets, solar generator sets, and a fuel cell power module; the waste heat recovery system encompasses a turbine power generation module and a lithium bromide refrigeration module; the fuel cell power module is connected to both the turbine power generation module and the lithium bromide refrigeration module; the turbine power generation module is used to generate electricity using waste heat. This approach fully exploits the waste heat from the exhaust gas generated by the fuel cell power module, resulting in a high overall energy utilization rate. The self-consumption electricity and pure hydrogen fuel for the integrated energy supply system can be obtained from solar and wind energy, ensuring low carbon emissions for the entire system.

The invention discloses a wind power generation device with a heat dissipation mechanism, and relates to the technical field of renewable energy sources, the wind power generation device comprises a box body, a power generator is arranged in the box body, a gear box is arranged on the inner wall of the box body, after fan blades are driven by wind power, the power generator converts high-speed rotating mechanical energy transmitted by the gear box into electric energy, and the electric energy is transmitted to the heat dissipation mechanism. The heat dissipation nets need to be cleaned after being used for a long time, manual cleaning work cannot be carried out under the severe weather condition, the heat dissipation nets are possibly not cleaned in time, normal operation of the wind power generation device is affected, the heat dissipation nets are cleaned through the scraper blades through wind power, and the heat dissipation efficiency of the three heat dissipation nets is further improved. After the scraping plate is used for a long time, a large number of impurities can be attached to the surface of the brush, the brush can vibrate through striking of the striking rod, and therefore dust and the impurities on the brush are shaken off and prevented from polluting the heat dissipation net again.

The invention discloses wind power generation equipment capable of giving an alarm at high temperature, which belongs to the technical field of wind power generation and comprises a fan blade, a rotating shaft, a step-up gear box, a generator, a first conveying pipe, a cooling coil, a rotating ring, a thermosensitive extrusion block, a placement ring cavity and the like. Two arranged thermosensitive extrusion blocks rotate to alternately and circularly extrude a conveying hose to generate suction force, so that water in the conveying hose, a second conveying pipe, a cooling coil, a first conveying pipe and a flow guide spiral groove circularly flows to absorb heat in the cabin shell, and continuous heat dissipation in the cabin shell is achieved; and when the temperature in the cabin shell is higher, the size of the rotating ring is increased, so that the speed of water flowing circularly in the conveying hose is increased, the water-cooling heat dissipation effect of the cabin shell is improved, and the problem that heat in a main engine of a wind generating set is difficult to dissipate in a high-temperature environment under most conditions is solved.

The invention relates to an electrolytic hydrogen production and fuel cell waste heat gradient utilization system and method based on an organic Rankine cycle, and belongs to the field of new energy. The system comprises a wind power generation unit, a photovoltaic power generation unit, a storage battery energy storage system, an electrolytic hydrogen production device, a hydrogen storage system, a fuel cell power generation unit, a waste heat utilization unit and an organic Rankine cycle device, and can be used for realizing multi-element consumption and gradient utilization of renewable energy sources. The method specifically comprises the following steps: establishing equipment models in a system, wherein an electrolytic bath considers five states of shutdown, cold start, standby, hot start and standby; on the basis of a mixed integer linear programming method, operation constraints of all equipment, renewable energy output prediction and electricity, heat and hydrogen load requirements are integrated, an optimization scheduling model meeting the electricity, heat and hydrogen load requirements and economical efficiency of the system is constructed, output of all the equipment is coordinated, and finally the optimization targets of maximizing the economical efficiency of the system and meeting the electricity, heat and hydrogen load requirements of the system are achieved.

The invention discloses a wind power generation device and system, and the device comprises a main bag body which extends in the front-back direction, and the peripheral surface of the main bag body is a rotary surface; the annular wing is arranged on the radial outer side of the main bag body in a sleeving mode, the annular wing and the main bag body are spaced, and an airflow channel is formed between the inner wall of the annular wing and the outer wall of the main bag body; the airflow channel is divided into a plurality of air channels through components, the air channels are arranged in the circumferential direction of the main bag body, and fan blades are arranged in at least part of the air channels. By means of the coaxial layout of the main bag body and the annular wing and the combination of division of an airflow channel by a component, efficient capture and energy conversion of wind energy are achieved. Compared with a traditional floating power generation device, the wind sweeping area of the fan blades can be remarkably reduced under the same power generation power, the economical efficiency of the wind power generation device is improved, and the technical feasibility of stepping towards a higher altitude and a higher wind energy density area is achieved.

The invention discloses a floating type wind energy-distance-adjustable wave energy combined power generation device which comprises a wind power generation module, a distance-adjustable wave energy power generation module and a floating type platform. The wind power generation module and the wave power generation module are both mounted on the floating platform; the distance-adjustable wave power generation module comprises a hydraulic system, a first hydraulic cylinder, a connecting arm, a floater and a second hydraulic cylinder; one end of the second hydraulic cylinder is connected with the floater, and the other end is connected with one end of the connecting arm; one end of the first hydraulic cylinder is hinged to the middle of the connecting arm, and the other end of the first hydraulic cylinder is hinged to a tower of the wind power generation module. And the other end of the connecting arm is also hinged to the tower drum of the wind power generation module. Wind energy power generation and wave energy power generation are combined, offshore renewable energy sources are fully utilized, and the floating platform is suitable for larger water depth; meanwhile, the platform load can be reduced by controlling the wave energy power generation device, and the reliability and safety of the integrated power generation system are improved.