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129 results about "Energy development" patented technology

Energy development is the field of activities focused on obtaining sources of energy from natural resources. These activities include production of conventional, alternative and renewable sources of energy, and for the recovery and reuse of energy that would otherwise be wasted. Energy conservation and efficiency measures reduce the demand for energy development, and can have benefits to society with improvements to environmental issues.

Three-dimensional injection-production well pattern construction method based on multi-objective algorithm

The invention belongs to the technical field of oil and gas reservoir energy development, and discloses a three-dimensional injection and production well pattern construction method based on a multi-objective algorithm. The problem that the delimited potential area is difficult to effectively use due to the fact that existing potential evaluation is only based on a single index is effectively solved. Comprising the steps that a fault inner core, a fault outer core, a fracture development dense zone and a secondary fracture zone are proposed; carrying out inter-well connectivity analysis on the oil reservoir units by utilizing an oil reservoir engineering method and a numerical simulation streamline method; based on the embedded discrete fracture model, analyzing a remaining oil distribution mode under the control of the nuclear band structure; a multi-parameter comprehensive evaluation system is constructed by combining the remaining oil utilization potential, the displacement power, the flow capacity, the connectivity relation and the reserve abundance; a three-dimensional injection-production well pattern construction technology is formed for an oil reservoir with or without bottom water; based on a multi-objective optimization algorithm, three-dimensional collaborative optimization of the recovery ratio, the well control reserves and the net present value is taken as a core, and a high-efficiency well location deployment technology for different fault zones is constructed.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Wave energy array development site selection method

The invention discloses a wave energy array development site selection method, which belongs to the field of wave energy development and utilization, and comprises the following steps of: 1) processing geographical distribution data by utilizing a GIS (Geographic Information System) spatial analysis method to obtain a limited development area graph layer; and 2) constructing an evaluation index system of wave energy array development site selection, and carrying out standardization processing to obtain a comprehensive evaluation result. And 3) calculating an offshore distance, and generating a refined developable range layer. And 4) carrying out wave direction statistical analysis in the developable range to obtain an array development range. And 5) on the basis of determining the array development range of the target sea area, determining a potential development site. 6, quantitative analysis and trend analysis of the array development capability are carried out with the potential development site as the center point, and the key development site is determined.According to the method, multi-dimensional evaluation indexes such as environment compatibility, resource endowment, technical feasibility and economic rationality are integrated, and a scientific basis is provided for array development site selection of the wave power station.
Owner:OCEAN UNIV OF CHINA

Peripheral prevention and control system and method for desert photovoltaic large base

The invention relates to the field of wind and sand prevention and control, in particular to a desert photovoltaic large base peripheral prevention and control system and method. The prevention and control system comprises a main air guide direction prevention and control system and a secondary air guide direction prevention and control system; the main wind direction prevention and control system is sequentially provided with three high vertical sand blocking fences, a lateral anti-lateral quicksand fence, a first sand stabilization grid area with a grid structure, two first plant sand blocking forest belts, a first plant sand stabilization area and a windproof sand blocking dust suppression fence in the direction from the upwind direction to the photovoltaic base. And the secondary wind guide direction prevention and control system comprises a second sand stabilization grid area, a second plant sand blocking forest belt and a second plant sand stabilization area. The sand prevention system can effectively solve the problems that an existing sand prevention technology is low in efficiency, unsustainable and the like, erosion and damage of sand grains to photovoltaic panels and infrastructures are reduced, the power generation efficiency is improved, the maintenance cost is reduced, long-term stable and efficient operation of a desert photovoltaic large base is guaranteed, and powerful support is provided for energy development and ecological protection balance in the desert area.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Spatial gradient of time average velocity techniques for development plan generation

Disclosed are methods, systems, and computer programs for dynamically generating a development plan for a resource site. The methods for example, include receiving seismic data associated with a subsurface of the resource site. The seismic data may be associated with a propagated wavefield within the subsurface of the resource site and can include at least structural geological data associated with the resource site. The methods also include directionally determining a plurality of rate of change data based on the propagated wavefield within the subsurface. The methods further include executing an averaging operation using the plurality of rate of change data and thereby generate an impedance model. The impedance model may be used to generate a development plan which is then used for energy development operations at the resource site.
Owner:SCHLUMBERGER TECH CORP +3

Numerical simulation method and system for underground coal gasification process

The invention discloses a numerical simulation method and system for a coal underground gasification process, and belongs to the technical field of energy development. The method comprises the following steps: constructing a gasification cavity, cavity wall and raw coal three-area conceptual model; establishing a kinetic model coupled with five types of chemical reactions (complete oxidation, water vapor conversion, Boudouard reaction, hydrogenization and water-gas shift), and associating porosity change and cavity wall temperature gradient distribution; dynamic evolution prediction of the semi-teardrop-shaped gasification cavity is realized through a numerical flow of cyclically updating the porosity, marking the cavity, calculating the reaction and outputting the synthesis gas; a cavity form and synthesis gas component curve is generated based on a multi-module system (data preparation, numerical calculation, result analysis and visualization). The problem that the gasification cavity evolution simulation precision is insufficient in the prior art is solved, and the method is suitable for UCG engineering design and safety evaluation.
Owner:INST OF MECHANICS CHINESE ACAD OF SCI

Rock core seepage heat exchange dynamic coupling simulation system based on outlet temperature feedback

The invention relates to a rock core seepage heat exchange dynamic coupling simulation system based on outlet temperature feedback. The system comprises a multi-medium precise injection system, a gradient temperature control rock core clamping system, an outlet multi-dimensional information sensing system, a dynamic coupling central control system and a pressure compensation and circulation backflow system. The central control system receives feedback signals of the outlet end and adjusts injection power and an axial gradient temperature control area in real time, and deep dynamic coupling of a seepage field, a temperature field and a stress field is achieved. The problems that a traditional experiment is constant in injection temperature and lacks outlet feedback are solved, real stratum temperature scale distribution can be accurately reconstructed, the physical fidelity and data reliability of a heat exchange coupling experiment are remarkably improved, and an advanced experiment supporting platform is provided for basic mechanism research in the field of energy development.
Owner:YUNCHENG POLYTECHNIC COLLEGE +1

Multi-source meteorological data dynamic fusion wind power plant simulation method

The invention relates to the technical field of wind energy development and utilization, in particular to a multi-source meteorological data dynamic fusion wind power plant simulation method, which comprises the following steps of: accessing satellite remote sensing, a ground observation station, numerical forecasting and wind power plant historical operation data, and outputting standardized meteorological data through format analysis, standardized processing and cleaning; a credibility score is calculated based on multi-dimensional indexes such as data integrity and time consistency, and abnormal data restoration or standby data source switching is achieved; in combination with wind power plant DEM topographic features and a self-adaptive sliding window, the weight of a data source is adjusted in real time through reinforcement learning, and a dynamic weight value is generated; an improved Windpowerlib framework adapts to fusion data, fan parameters are dynamically configured, and an initial simulation result is generated; and collecting real-time data of the wind power plant, and correcting model parameters by using Kalman filtering. The wind power plant simulation precision and timeliness can be improved, the data utilization rate and the model adaptability are enhanced, and the deviation between the simulation result and the actual working condition is reduced.
Owner:POWERCHINA BEIJING ENG CORP

Photovoltaic power generation system using wind farm land and transfer channel

The invention, which relates to the technical field of new energy power generation, discloses a photovoltaic power generation system using a wind power plant ground and a transmission channel, comprising a wind turbine generator group with a reinforced platform, and a photovoltaic array which is distributed below a fan base platform, a wind power plant road and a power transmission corridor and adopts an adjustable double-sided double-glass assembly with an inclination angle of 15-35 degrees. The wind-solar coupling device comprises a mechanical connection mechanism (a fixed support and a maintenance channel) and an electrical coupling unit (a multi-port converter integrated output is connected to a booster station), the dynamic power regulation and control system (comprising an output prediction module and the like) based on wind-solar complementarity, and the current collection circuit with the current-carrying capacity is designed according to the wind-solar maximum superposition power. According to the system, land occupation and power transmission cost are reduced through collaborative layout, output fluctuation ratio is reduced through dynamic regulation and control, power grid acceptance capability is improved, generating capacity is improved through intelligent design, loss is reduced, energy recovery is realized, operation and maintenance cost is reduced, and the problems of resources, stability and efficiency in new energy development are effectively solved.
Owner:GUIYANG CHINA ELECTRIC ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Easily-released floating type offshore hydrogen-based energy production platform and working method thereof

The invention discloses a floating type offshore hydrogen-based energy production platform easy to release and a working method thereof, and relates to the field of offshore new energy development. The production platform comprises a platform body, a floating body foundation, a mooring system, a quick plugging device and a dynamic cable. The mooring system comprises at least one mooring assembly, and the quick plugging device is installed between the platform body and the dynamic cable. An auxiliary propeller is installed on one side wall of the floating body foundation and used for moving and adjusting when the platform is positioned and released. The multiple mooring assemblies are connected with a releasing device through anchor chains to achieve disconnection of anchoring positions, the production platform can be withdrawn out of an anchoring area, and platform damage caused by anchor chain breakage in extreme stormy wave environments such as typhoons is avoided. Electrical connection between the dynamic cable and the offshore wind power plant is cut off through the quick plugging device, and the cable is cut off in a non-destructive manner, so that repeated deployment cost caused by traditional cutting is avoided; after release, the production platform can be repositioned through the tug, anchor chains and cables do not need to be cut and relaid, and operation and maintenance are convenient.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD +1

Climate data correction method and system

PendingCN120561838ANeural learning methodsICT adaptationClimate forecastNetwork model
The invention relates to the technical field of climate data processing, and discloses a climate data correction method and system, and the method comprises the steps: obtaining first to-be-corrected data; performing a first screening operation on the first to-be-corrected data to obtain a first screening result, and generating three-channel feature data; inputting the three-channel feature data into a pre-trained first correction network model to obtain three-channel feature data correction output; performing a first division extraction operation on the first to-be-corrected data to obtain a regional feature matrix; and performing first fusion operation on the three-channel feature data correction output and the regional feature matrix to obtain multi-source climate data collaborative correction output. According to the method, the climate data correction precision can be remarkably improved, correction errors are reduced, high-reliability data support is provided for climate prediction, disaster early warning, agricultural production and new energy development, and the development of meteorological services towards the precision and intelligence direction is powerfully promoted.
Owner:GUIZHOU POWER GRID CO LTD

Method, system, medium, equipment and product for evaluating landslide risk of photovoltaic site along railway

The invention discloses a method, a system, a medium, equipment and a product for evaluating the landslide risk of a photovoltaic site along a railway in the technical field of electrified railway new energy development. The method comprises the following steps: carrying out Pearson correlation analysis on a railway line photovoltaic site landslide risk preliminary evaluation factor of a target site to obtain a railway line photovoltaic site landslide risk evaluation factor; according to the landslide risk evaluation factor of the photovoltaic site along the railway and the project location sample data set, carrying out landslide prediction by using a BP neural network to obtain a prediction result; and obtaining a contribution value of each photovoltaic site landslide risk evaluation factor along the railway to a prediction result in a prediction process by using an SHAP model, and obtaining a photovoltaic site landslide risk evaluation result along the railway. Aiming at the scene of photovoltaic along the railway, the problem of difficulty in site selection and the like is solved, and the photovoltaic construction efficiency and quality along the railway can be effectively improved.
Owner:CHINA ENERGY CONSTRUCTION GROUP INVESTMENT CO LTD +1

New energy development area planning method based on digital twinborn technology

The invention relates to a new energy development regional planning method based on a digital twinborn technology. The method comprises the following steps: collecting regional multi-source data, and constructing a regional information model based on the digital twinborn technology; collecting regional power grid data and constructing a new energy development capability capacity constraint based on the regional power grid data; forest data of a surrounding area of the area is collected and superposed with three-area three-line vector data of the territorial space to generate a new energy development avoidance constraint; after the new energy development avoidance constraint acts on the regional information model, constructing a new energy development region through the constrained regional information model, and performing building available surface evaluation on the constructed new energy development region to obtain an evaluated new energy development region; and setting the equipment capacity in each evaluated new energy development area based on the new energy development capability capacity constraint.
Owner:MAINTENANCE BRANCH OF STATE GRID FUJIAN ELECTRIC POWER +2

Device for recovering waste heat of power plant to dry biomass fuel and using method

The invention belongs to the technical field of energy, and particularly relates to a device for recycling waste heat of a power plant to dry biomass fuel and a using method. The device comprises an auxiliary steam header, a pressure matcher, a condenser hot well, a biomass fuel dryer and a flash tank. A gas outlet of the auxiliary steam header and a gas outlet of the condenser hot well are both communicated with a gas inlet of the pressure matcher; an air outlet of the pressure matcher is communicated with a thermal medium inlet of the biomass fuel dryer, a thermal medium outlet of the biomass fuel dryer is communicated with a water inlet of the flash tank, and an air outlet of the flash tank is communicated with an air inlet of the pressure matcher. According to the device, heat of gas generated by the auxiliary steam header and the condenser hot well is recycled to heat and dry wet biomass fuel, the comprehensive utilization rate of energy is increased, and the system operation cost is reduced; and waste heat energy generated by the power plant is utilized in a gradient mode, environmental pollution is reduced, and the environment-friendly energy development direction is met.
Owner:CHINA HUADIAN ENG CO LTD +1

Ocean energy recovery and seawater desalination system integrated device

The invention discloses an ocean energy recovery and sea water desalination system integrated device in the technical field of crossing of new energy development and water resource treatment, which comprises an ocean power generation module, a wind power generation module and a sea water desalination module, an energy regulation module is arranged between the ocean power generation module and the sea water desalination module and between the wind power generation module and the sea water desalination module; the energy adjusting module is connected with the ocean energy power generation module and the wind energy power generation module and comprises a power detection unit, the power detection unit is composed of a mounting shell and power detection equipment, a leading-in connector is arranged in the middle of the mounting shell, and the leading-in connector can be connected with the ocean energy power generation module and the wind energy power generation module; the lead-in joint is connected with the power detection equipment through the detection connecting piece; the energy storage unit is composed of a converter, electromagnetic coupling equipment and an energy storage part. The problems of difficult power matching, poor power supply stability, low energy conversion efficiency, single coupling mode and the like in the integration process of the existing ocean energy and seawater desalination system are solved.
Owner:CHONGQING MOLECULAR WATER SYST

A numerical simulation method and system for underground coal gasification process

The application discloses a numerical simulation method and system for a coal underground gasification process and belongs to the technical field of energy development. The method comprises the following steps: constructing a conceptual model of a gasification cavity, a cavity wall and a raw coal three-zone; establishing a kinetic model coupled with five types of chemical reactions (complete oxidation, steam conversion, Boudouard reaction, hydrogen gasification and water gas shift); correlating the porosity change and the cavity wall temperature gradient distribution; realizing the dynamic evolution prediction of a semi-teardrop-shaped gasification cavity through a numerical process of cyclically updating the porosity, marking the cavity, calculating the reaction and outputting the synthesis gas; and generating the cavity shape and the synthesis gas component curve based on a multi-module system (data preparation, numerical calculation, result analysis and visualization). The application solves the problem of insufficient simulation precision of the gasification cavity evolution in the prior art and is suitable for UCG engineering design and safety evaluation.
Owner:INST OF MECHANICS CHINESE ACAD OF SCI

Fixed wave fluctuation power generation system and power generation method

The invention discloses a fixed wave fluctuation power generation system and method, and relates to the technical field of ocean energy development. The system comprises a frame for stabilizing a power generation floating body or a fixed stand column and the power generation floating body fluctuating along with sea waves, a vertically-installed rack is arranged on the side face of the stand column, a power generation gear meshed with the rack is arranged on the side face of the power generation floating body, and a power generation device is further arranged. The clutch mechanism is provided with a power generation flywheel and a transmission rod and connected with a main shaft of the power generation device, the transmission rod is connected with the power generation gear, the power generation flywheel is provided with an installation hole, the transmission rod is provided with a right-angle clamping groove, and the flywheel is provided with a one-way limiting shaft. According to the method, a fixed wave fluctuation system is adopted for power generation. The system and the method can realize stable, efficient and continuous wave energy power generation, and have the advantages of long service life and low power generation cost. If the technology is popularized and applied, positive and far-reaching influences can be generated on ocean energy development and energy green transformation.
Owner:DUJIANGYAN FEILUO POWER STATION COMPREHENSIVE DEVELOPMENT CO LTD

Power generation buoy capable of converting wave energy through cross-medium coupling

The invention relates to the technical field of ocean energy development and utilization, in particular to a power generation buoy capable of converting wave energy through cross-medium coupling, which comprises an annular floating body, an air turbine, a water turbine, a connecting pipe, a power generation module and a mooring system, the water turbine is fixedly installed in water below the annular floating body, the air turbine is connected with the water turbine through the connecting pipe, the air turbine is connected with the power generation module, the power generation module is fixed above the annular floating body, and the mooring system is moored below the waterline of the annular floating body. The outer rotor, the stator and the inner rotor in the power generation module are coaxially arranged, when the outer rotor and the inner rotor relatively rotate, an inner magnetic field and an outer magnetic field are electromagnetically coupled, and cross-medium coupling conversion wave energy power generation of the device is achieved; the air turbine and the water turbine are connected through the connecting pipe, a pipe shaft of the air turbine and an output shaft of the water turbine transmit energy to the power generation module, power aggregation is achieved, and the power generation efficiency is improved.
Owner:JIMEI UNIV

A cooperative control method and system suitable for high-altitude wind-solar complementary power generation system

The application belongs to the technical field of renewable energy development, and particularly relates to a collaborative control method and system suitable for a high-altitude wind-solar complementary power generation system. The method collects environmental and equipment parameters at a high frequency, constructs a wind power and photovoltaic control model, and predicts wind and light resources based on historical and real-time data. A power generation model is established based on a multi-objective optimization function and system constraints to generate an initial regulation scheme and realize wind-solar-storage collaborative operation. Through real-time collection of operation data, calculation of deviations and analysis of reasons, the system executes immediate control correction or generates a next period strategy correction instruction, thereby completing closed-loop optimization control. The application improves the power supply reliability in high-altitude areas.
Owner:CHINA TOWER CO LTD

Magnetomotive force continuous acting device

The permanent magnets repel like poles and attract unlike poles to another permanent magnet, which is the inherent attribute of the permanent magnets, the generated attraction and repulsion force does not need to consume energy, and the permanent magnets can do work outwards. However, acting is single, and extra energy consumption is needed when the magnetic force is used for repeated acting after the magnetic force is separated. A shear separation scheme is designed to reduce energy consumption, continuously reciprocating attraction and repulsive force is obtained to serve as power of the device, mechanical energy is output outwards, and energy conservation of a shear separation system and energy conservation of magnetic force acting of the device are analyzed from the perspective of physics and belong to two systems respectively. Power of the magnetomotive device comes from magnetic force of a permanent magnet and is not directly related to system input energy, external output mechanical energy is far larger than the system input energy, technical prejudice is overcome, technical means abandoned by people due to the technical prejudice are adopted, and the magnetomotive device free of environmental pollution is invented to do work. The principle that the energy conservation law is not violated is explained through the mass energy conservation law, and a novel energy development scheme free of environmental pollution is provided.
Owner:张彭曦

A method and device for predicting ocean temperature difference energy power generation efficiency

The present invention relates to a method and device for predicting ocean thermal energy generation efficiency, belonging to the field of marine energy development and prediction technology. Leveraging the self-learning capabilities of the PINN neural network (PINN) model, a relationship is established between network inputs (accumulator pressure, motor speed, current flowing through a load resistor, and time) and outputs (system efficiency), enabling prediction of ocean thermal energy generation efficiency. By embedding physical constraints in the PINN model, the present invention ensures physical rationality even in data-scarce conditions. This method significantly improves transfer learning beyond small training datasets and training conditions, achieving high-precision and rapid predictions and enhancing reliability.
Owner:SHANDONG UNIV

A method, apparatus, and computer equipment for assessing new energy sources in mountainous and valley regions.

This invention relates to the field of new energy development technology and discloses a new energy assessment method, device, and computer equipment based on mountainous valley regions. This invention targets new energy development areas in mountainous valley terrain and, using meteorological and hydrological coupling software, comprehensively assesses the exploitable wind, solar, and hydropower resources within these areas. Areas not designated as new energy development areas (steep slope areas) are excluded, thereby improving the accuracy of the assessment results and ensuring that the results more accurately reflect the actual exploitable resource quantity. This provides accurate assessment data support for renewable energy development in mountainous valley regions with complex terrain, contributing to the formulation of reasonable energy policies and long-term development plans.
Owner:CHINA THREE GORGES CORPORATION +2

Global energy complementation and solid waste cooperative processing system based on day and night time difference satellite microwaves

The invention discloses a global energy complementation and solid waste cooperative treatment system based on day and night time difference satellite microwaves, and belongs to the technical field of new energy scheduling and environment-friendly solid waste treatment. According to the system, on the basis of a satellite microwave transnational energy complementation scheduling architecture based on day and night time difference, photovoltaic surplus abandoned electricity is converted into microwave signals, transnational directional transmission is realized through a low-orbit relay satellite cluster, and meanwhile, surplus microwave energy is transmitted to realize transnational energy complementation. And solid wastes such as household garbage, excrement in a septic tank and sludge in a sewage treatment plant are subjected to closed anaerobic microwave cracking treatment. According to the system, five core modules of new energy waste electricity collection, microwave conversion emission, low-orbit relay satellite cluster, ground microwave receiving rectification and intelligent time difference scheduling control are reserved, a microwave solid waste cracking treatment module and a product separation and recovery module are additionally arranged, solid waste can be automatically separated into condensate water, combustible gas, fuel oil and sterile carbon residues, and full resource utilization is achieved. The two problems of photovoltaic abandoned electricity waste and solid waste pollution are synchronously solved, fossil energy consumption is zero, secondary pollution is avoided, the new energy utilization rate is greatly increased, the traditional solid waste treatment bottleneck is thoroughly broken through, and an integrated innovative solution is provided for global low-carbon energy development and ecological environment protection.
Owner:吕志蒙

An evaluation method and system for offshore renewable energy development

The application discloses an offshore renewable energy development evaluation method and system, which comprises the following steps: obtaining offshore renewable energy development data; using a fuzzy analytic hierarchy process to evaluate the offshore renewable energy development data to obtain a preliminary evaluation result; determining index weights for evaluating the offshore renewable energy development data based on the preliminary evaluation result; performing index value assignment and data standardization processing on the index weights to obtain a comprehensive evaluation result according to the processing result. The application can effectively evaluate offshore renewable energy development.
Owner:华能(临高)新能源有限公司 +1

Asymmetric damping box optimal arrangement and design method based on limited construction conditions

The invention relates to an asymmetric damping box optimal arrangement and design method based on limited construction conditions, which comprises the following steps of: 1, designing an asymmetric damping box occupation, 2, arranging a transition section of the asymmetric damping box, 3, arranging an annular bulkhead of the asymmetric damping box, 4, arranging a radial bulkhead of the asymmetric damping box, and 5, designing an asymmetric damping box. The method comprises the following steps: step 1, arranging asymmetric damping box stiffeners, step 2, arranging asymmetric damping box stiffeners, step 6, arranging asymmetric damping box sawteeth, step 7, arranging asymmetric damping box bulkhead holes, step 8, arranging asymmetric damping box toggle plates, and step 9, optimizing the structure of the asymmetric damping box. According to the damping box designed through the method, the heaving motion performance of the cylindrical floating facility can be improved, the problem that the damping box limits the construction scene of the cylindrical floating facility is solved, and meanwhile the problem that the local structure stress concentration of the connecting position of the damping box and the cylindrical floating facility body is obvious is solved; and the requirements of deep and far sea energy development can be better met.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Method and system for detecting defects of photovoltaic panel polled by unmanned aerial vehicle in scene along railway

The invention discloses an unmanned aerial vehicle inspection photovoltaic panel defect detection method and system in a railway line scene in the technical field of electrified railway new energy development. The method comprises the following steps: according to a photovoltaic panel image along a railway collected by an unmanned aerial vehicle, performing image preprocessing by using a retinex algorithm of adaptive bilateral filtering to obtain a preprocessed photovoltaic panel image; and according to the pre-processed photovoltaic panel image, photovoltaic panel defect detection is carried out by using a YOLOv8 detection algorithm introducing a CDA-net attention mechanism, and a detection result is obtained. According to the method, the problems of insufficient detection precision, large algorithm model and the like of unmanned aerial vehicle routing inspection are solved, and the reliability and practicability of unmanned aerial vehicle routing inspection in the aspect of photovoltaic panels along the railway can be effectively improved.
Owner:CHINA ENERGY CONSTRUCTION GROUP INVESTMENT CO LTD +1

Wave energy array development siting method

The application discloses a wave energy array development site selection method, and belongs to the field of wave energy development and utilization, comprising the following steps: 1) processing geographic distribution data by using a spatial analysis method of GIS to obtain a restricted development area layer; 2) constructing an evaluation index system for wave energy array development site selection, and performing standardization processing to obtain a comprehensive evaluation result; 3) calculating an offshore distance to generate a refined developable range layer; 4) carrying out statistical analysis on a wave direction in the developable range to obtain an array development range; 5) determining a potential development site on the basis of the array development range of a target sea area; and 6) taking the potential development site as a center point to perform quantitative analysis and trend analysis on array development capacity, and determining a key development site. The application integrates multidimensional evaluation indexes such as environmental compatibility, resource endowment, technical feasibility and economic rationality, and provides a scientific basis for wave energy power station array development site selection.
Owner:OCEAN UNIV OF CHINA

Geothermal energy comprehensive development and utilization system for cross-seasonal heat storage

A comprehensive geothermal energy development and utilization system capable of storing heat across seasons relates to the field of energy development and utilization, in the system, a three-layer nested structure of a buried pipe, a phase change sleeve and a rock-soil body is adopted, the phase change sleeve provides structural support through an annular elastic framework layer and is tightly attached to the buried pipe through a flexible sealing layer, and the phase change sleeve is tightly attached to the rock-soil body; segmented connection is achieved through the flexible connecting ends. According to the structural design, the phase change sleeve can effectively adapt to the volume change of the phase change material in the phase change process, and structural failure is avoided; meanwhile, the flexible sealing layer is in sealing contact with the outer wall of the buried pipe, so that the heat transfer contact resistance is reduced, and the heat exchange efficiency is improved; in addition, due to the modular design that the phase change sleeves are arranged in a segmented mode in the axial direction, installation and later maintenance of the system in a geothermal well are facilitated.
Owner:WANJIANG NEW ENERGY CO LTD BEIJING NEW ENERGY TECHNOLOGY BRANCH +2

Shale gas well final recoverable reserve prediction method and system based on production dynamic parameters

The invention is suitable for the technical field of shale gas development, and discloses a shale gas well final recoverable reserve prediction method and system based on production dynamic parameters, and the method comprises the steps: carrying out the preprocessing of gas well production dynamic data, and obtaining sample data; performing feature analysis on the sample data, and determining pre-selected production dynamic parameters; determining a pre-selected prediction model based on the pre-selected production dynamic parameters and an initial prediction model; determining a target prediction model based on an orthogonal experiment result obtained by using the pre-selected prediction model for prediction; and based on the gas well production dynamic data, adopting the target prediction model for prediction to obtain a prediction result. According to the technical scheme, the final recoverable reserves of the shale gas well can be accurately predicted, the single well mining potential is mastered, a recoverable reserve basis is provided for a development scheme, economic evaluation, development adjustment and dense drilling, and sustainable development of unconventional energy development is promoted.
Owner:PETROCHINA CO LTD

New energy development potential assessment method and system and storage medium

The invention provides a new energy development potential assessment method and system and a storage medium, and belongs to the technical field of new energy assessment, and the method specifically comprises the steps: determining the operation load data of a target power transmission line in different illumination quantity intervals, and determining a risk interval in the illumination quantity interval by combining the matching condition of the operation data of the power transmission equipment under different operation loads and the rated operation data, and when the illumination quantity interval is not in the risk interval, determining the risk interval of the power transmission equipment based on the harmonic injection data of the access nodes of different distributed photovoltaic power generation fields in the illumination quantity interval. Determining a harmonic injection risk interval in the illumination quantity interval, and determining the new energy development potential evaluation processing method under different wind power change conditions in the harmonic injection risk interval according to distribution discrete data of harmonic injection conditions of different access nodes in the harmonic injection risk interval. And the evaluation processing accuracy of the new energy development potential is improved.
Owner:STATE GRID HENAN ELECTRIC POWER COMPANY ANYANG POWER SUPPLY +1

Electric energy tracing method based on network topology sorting algorithm

An electric energy tracing method based on a network topology sorting algorithm relates to the technical field of smart power grids, and comprises the steps of collecting data, constructing a power grid topology directed graph by using an adjacency list, carrying out topology sorting, executing topology sorting according to a power grid topology graph, and carrying out electric energy component accurate accounting and tracing derivation by using an algorithm. The method has the beneficial effects that the hybrid energy topological graph is constructed, accurate calculation of electric energy components and accurate analysis of electric energy traceability are realized by utilizing an electric energy flow analysis technology and combining real-time operation data, synchronous planning, synchronous construction and synchronous commissioning of a matched power grid project and a new energy project are met, and the reliability of the system is improved. And favorable green electricity strategy requirements are created for large-scale new energy development and grid-connected consumption.
Owner:STATE GRID QINGHAI ELECTRIC POWER COMPANY +1