34 results about "Renewable energy supply" patented technology

The invention discloses a compressed air energy storage system, in particular to a compressed air energy storage system for an electric power system. The compressed air energy storage system disclosed by the invention has reasonable structure, flexible layout, high energy conversion efficiency, good economical efficiency and peakload regulation performance, rapid startup, safety and reliability. The compressed air energy storage system applying the invention can be used for despicking and valley filling of the electric power system, energy storage of renewable energy source and power supply when the renewable energy source is in supply intermission or in shortage in an electric network, and can be used as an emergency power station, an energy accumulator of distributed energy resource and other equipment for electric power energy storage.

The present invention provides a hybrid financing structure for renewable power facilities that reduces the cost of power supplied from such facilities. In a preferred embodiment, the hybrid financing structure combines low cost financing, e.g., bonds, available to governmental entities, e.g., municipalities, with tax benefits and similar benefits available to private entities to lower the cost of power supplied from a renewable power facility. The renewable power facility is owned and operated by a private company to take advantage of tax benefits and similar benefits available to the private sector. To further reduce costs, a municipality prepays for power supplied from the facility using low cost financing, e.g., tax exempt bonds, available to the municipality. The hybrid financing structure also includes a production tracking account that reduces risk associated with prepayment of fluctuating renewable power supplies for the municipality by notionally tracking actual power production against predicted levels.

The invention discloses a renewable energy supply base station access selection method and a renewable energy supply base station access selection system. The method comprises the following steps of: acquiring information which affects candidate base station access selection in a renewable energy supply wireless communication network; calculating optimal energy efficiency, which can be reached by a link, and a link energy consumption characteristic when a terminal is accessed to a candidate base station according to the received information which affects the candidate base station access selection; initializing a terminal set accessed to each candidate base station, judging whether a network with energy balance is an initial access terminal or not and sustainably determining an access scheme according to network energy with energy balance; and judging whether a non-accessed terminal is available or not, updating the terminal set accessed to each candidate base station to continuously perform access selection if the non-accessed terminal is available and otherwise finishing selection. According to the method and the system, energy sustainability and balance of all base stations in the entire network are improved, the integral energy consumption of the network is minimized, and the service time of the network is prolonged.

The invention discloses a compressed air energy storage CCHP micro-grid structure and an operation method thereof. The compressed air energy storage CCHP micro-grid structure comprises renewable energy supply equipment, and a combined cooling, heating and power supply unit comprising a gas turbine generator and an absorption type refrigerator, wherein the combined cooling, heating and power supplyunit takes natural gas as the fuel; an adiabatic compressed air energy storage system compresses air to produce the heat energy, the heat energy is stored through the regulation of a three-way valveor directly supplied to a heat user, and the heat energies of different heat sources are absorbed according to the working mode of the system when the energy is released. The A-CAES and the new energyare complemented, a CCHP micro-grid is combined, the A-CAES structure and the main working mode are optimized from the perspectives of flow design and gradient utilization of the energy, the heat source of the regenerative heat is regulated in the A-CAES expansion process by opening and closing a valve, so that various grades of energies in the CCHP micro-grid are reasonably distributed, and thegradient utilization of the energy of a CCHP system is greatly increased.

The invention relates to a greenhouse heat source heat pump valley electricity heat storage block energy station. The greenhouse heat source heat pump valley electricity heat storage block energy station mainly solves the technical problems of large building heat supply demand and insufficient pump heat supply in an ultra-low temperature environment by utilizing valley electricity heat storage inthe cold weather in the prior art. As a renewable clean energy block chain energy supply mode, the greenhouse heat source heat pump valley electricity heat storage block energy station is balance adjustment of the influence of combined heat and power generation greenhouse gas and greenhouse waste heat on the environment, and a system can realize the triple supply of warm and cold air conditioninghot water through switching. The heat storage / cold storage function of valley electricity is taken into account, and the economic and reasonable large-scale application of energy block chain technology enables decentralized renewable energy supply to be possible. A heat source of greenhouse can be absorbed and promoted, and meanwhile low-temperature cold airflow is delivered to the atmosphere to drive off haze, so that the economic and social benefits of artificial cold sources to control haze are achieved.

A hybrid renewable energy supply system is mainly applied to a stationary or mobile actual mass-production power generating operation to transform a lot of organic waste into electric energy using a gaseous biomass power plant, and may be combined with renewable energy such as solar energy, wind energy, micro-hydro energy and the like, thereby providing a self-operating system without using mains. The gaseous biomass power plant can use an organic material source, such as food wastewater, livestock farming wastewater, agriculture waste or the like, to generate a biomass gas, thereby possessing dual effects of waste recovery and clean energy production. The hybrid renewable energy supply system comprises at least one renewable energy device for transforming nature energy into electric energy; and an electric energy control device, which connects the renewable energy device to a mains grid and controls storage and output of electric energy of the renewable energy device.

A computing system can facilitate cooperation between a utility and a fleet of vehicles. The system can receive a charging requirement from a vehicle. The charging requirement can be based on an available power output capacity of a battery pack of the vehicle. The system can receive solar ramp data from a utility. The solar ramp data can be based on an anticipated power output of a solar energy source. The system can determine a charge plan based on the charging requirement and the solar ramp data and specify a timing of charging or discharging the vehicle. The system can transmit the charge plan to the vehicle. The system can receive load data from the vehicle based on supply or consumption of power by the vehicle and the charge plan.

A green data center is provided, which comprises: a utility power source for providing utility power; a facility electrically connected to the utility power source; a renewable energy provider electrically connected to the facility for providing renewable energy; an IT equipment electrically connected to the renewable energy provider; wherein the total power received by the IT equipment is not less to the utility power provided by the utility power source, so that the PUE (Power Usage Efficiency) can be less than one, thereby achieving the effect of carbon-reducing and energy-saving.

A renewable energy supply system comprises a waste heat boiler distributing gas generation system, a biogas fermentation system, a heating system, a drive absorption refrigeration system, a CO2 capture system and a CO2 Lanken cyclic power generation system. The waste heat boiler distributing gas generation system comprises an air feeder, an air compressor, a combustion chamber, a gas turbine generator unit, a waste heat boiler, a heat collector, a draught fan and a chimney which are connected in sequence; the biogas fermentation system comprises a biogas digester and a biogas storage tank which are connected in sequence, the biogas storage tank is connected with the combustion chamber, the biogas digester is connected with a water heat exchanger through a pump, and the water heat exchanger is mounted on the waste heat boiler; the heating system comprises a water heater preset in the waste heat boiler, a heat supply pipeline, a heat consumer, a backwater pipeline and a backwater pump which are cyclically in sequence, and a make-up water tank is arranged on the backwater pipeline; the drive absorption refrigeration system comprises a generator, a condenser, an evaporator and an absorber which are connected in sequence, the absorber is connected with the generator through a pump and a throttle valve, the generator is connected with the heat exchanger, and the heat exchanger is connected with the heat collector of the waste heat boiler. By the arrangement, energy resources are saved, triple co-generation of cold, heat and electricity can be achieved, and energy distribution is realized.

A method and apparatus for selective removal of heavy ions, biological, cations, anions or other elements of interest from liquids using magnetic nanoparticles, and recovery of nanoparticles to be reused in the wastewater purification. For certain embodiments, after water treatment and magnetic separation, the loaded nanoparticles may be washed, regenerated, collected and re-introduced in the water treatment cycle. Water treatment and particle regeneration take place singly or simultaneously. In another disclosed embodiment of the process, the electricity consumed by the pumping system is supplied by renewable energy sources such as solar, wind, geothermal, biogas or small hydro.

A large scale charging infrastructure including an intelligent energy management system that utilizes a hardware-software architecture for managing simultaneous charging of a plurality of electric vehicles using a variety of energy supply sources including renewable energy supply sources, local storage sources, and power grid sources. Operating costs are minimized by taking advantage of flexible charging schedules and economies of scale and adverse impacts of unmanaged charging are mitigated.

A system and method for supplying an energy grid with energy from an intermittent renewable energy source having a production unit for producing Hydrogen, Nitrogen, and Oxygen. The production unit is operated by using energy provided by the renewable energy source. An Oxygen storage receives and stores Oxygen produced by the production unit, a mixing unit receives and mixes the Hydrogen and the Nitrogen produced by the production unit to form a Hydrogen-Nitrogen-mixture, an Ammonia source receives and processes the Hydrogen-Nitrogen-mixture for generating a gas mixture containing Ammonia, an Ammonia power generator generates energy for the energy grid. The Ammonia power generator is fluidly connected to the Ammonia storage vessel, is configured to combust the received Ammonia in a combustion chamber to generate the energy, and is fluidly connected to the Oxygen storage to introduce Oxygen into the combustion chamber for combustion of Ammonia.

The invention discloses a cold / heat storage and supply cascade phase change capillary network radiation wall tail end device. The device comprises a base layer wall (1), a heat preservation and insulation layer (2), a damp-proof layer (3), a keel and a phase change capillary network structure jointly composed of a cascade phase change material layer and a capillary network layer. Compared with the prior art, the device provided by the invention can realize the annual use of the phase change material and avoid the waste of the phase change material; and natural cold energy at night can be stored, the mechanical refrigerating capacity of equipment in the daytime is reduced, and energy consumption and operation cost can be reduced. The device adopts an aluminum foil bag for macroscopically packaging the phase change material, and is simpler in packaging and lower in cost compared with a phase change material shaping packaging process; and the device is high in applicability and can be coupled with various cold source / heat source devices. The tail end device is coupled with low-grade renewable energy equipment such as a solar heat collector and a sky radiation cooler, the defect that renewable energy is unstable in supply can be overcome, and all-day cooling in summer and all-day heating in winter are achieved.

The invention relates to a method for selecting an effective area based on a renewable energy supply base station. The method comprises the steps of S1, calculating the effective coverage area of the renewable energy supply base station, and S2, selecting the coverage area of the renewable energy supply base station according to the effective coverage area of the renewable energy supply base station. According to the method, the renewable energy supply base station coverage area and the network energy sustainability are used as the static system performance measurement criteria and the dynamic system performance measurement criteria respectively, energy capturing and consumption nondeterminacy of the renewable energy supply base station is considered, the base station coverage area adjusting scheme is formulated by aiming at joint optimization of the base station coverage area and the network energy sustainability, the energy utilization efficiency is improved, and the method is dynamically suitable for nondeterminacy of the renewable energy. The invention further discloses a system for selecting the effective area based on the renewable energy supply base station.

The invention relates to a zero-carbon 5G mobile communication base station power supply method and device, computer equipment and a storage medium. According to the method, a power supply system structure of a zero-carbon base station system is designed and comprises a cross-unit system structure for integrated power supply and an intra-unit system structure for flexible power supply. And two-stage power supply operation under two architectures is provided respectively. Through the renewable energy supply system structure of the renewable energy generator set to the base station unit, in each virtual unit, the total power curve of the renewable energy generator set is basically consistent with the total power demand curve of the base station unit. By adopting the cross-unit power supply architecture, the mismatching of power supply and demand in a one-to-one scene can be greatly relieved, so that the utilization of renewable energy sources is remarkably improved. Therefore, the inconsistency between the renewable energy power generation and the power demand is reduced to the maximum extent. To finely tune the mode mismatch between the power supply and demand of each virtual unit, the discharge / charge of the battery energy storage system is flexibly controlled.

The invention discloses an alliance cooperative green energy allocation method oriented to fog calculation. The method comprises the following steps: S1, establishing an Internet of Things network structure including fog node, relay node, renewable energy provider, spectrum owner, edge node and terminal equipment based on fog calculation; S2, establishing a network structure of the Internet of Things including fog node, relay node, renewable energy provider, spectrum owner, edge node and terminal equipment. 2, establish a leader-follower game model base on a Stackelberg model, wherein a fog node is used as a leader to formulate a wireless network service pricing strategy p for terminal equipment; The renewable energy supplier as a follower determines the price strategy w of the relay nodeaccording to the price strategy p of the wireless network service. A fog node and a preset number of relay nodes are arranged in the network structure of the Internet of Things. Renewable energy suppliers are used to provide energy for the network structure of the Internet of Things, edge nodes are used to centralize terminal devices, and terminal devices are used to transmit data. The invention can improve the stability and data transmission efficiency of the internet of things network structure, and effectively improves the profit of the internet of things network structure.

The fabrication and characterization of a large scale inverted organic solar array fabricated by using all-spray process are disclosed. The organic solar array consists of four layers: ITO-Cs2CO3-(P3HT: PCBM)-modified PEDPT: PSS, on a substrate. With PEDPT:PSS as an anode, the encapsulated solar array shows more than 30% transmission in the visible to near IR range. Optimization by thermal annealing was performed based on single-cell or multiple-cell arrays. Solar illumination has been demonstrated to improve solar array efficiency up to 250% with device efficiency of 1.80% under AM1.5 irradiance. The performance enhancement under illumination occurs only with sprayed devices, indicating device enhancement under sunlight, which is beneficial for solar energy applications. The semi-transparent property of the solar module allows for applications on windows and windshields, indoor applications, and soft fabric substances such as tents, military back-packs or combat uniforms, providing a highly portable renewable power supply for deployed military forces.

The invention relates to a comprehensive renewable energy cooling and heating system which comprises a deep geothermal utilization unit, a shallow geothermal energy utilization unit, a desalination seawater heat energy utilization unit and a water energy storage unit. The deep geothermal utilization unit, the shallow geothermal energy utilization unit and the desalination seawater heat energy utilization unit are parallelly connected with the water energy storage unit through water-source heat pump units, and the water energy storage unit is connected with a cooling and heating outdoor pipe network. Deep geotherm is coupled with shallow geothermal energy and desalination seawater heat energy, renewable energy of cold storage and heat storage of water storage energy are used, deep geothermal resources are sufficiently used, heat taking pressure of the shallow geothermal energy is reduced, the heat supply efficiency of a water-source heat pump in the shallow geothermal energy utilization unit is improved, and the running cost of the system is reduced.

The invention discloses a movable heat storage container and a heat release method thereof. The container comprises a plurality of heat storage rods, heat conduction oil splitters and heat conductionoil current collectors, a heat conduction oil inlet, a heat conduction oil outlet, an oil pump, a heat release heat exchanger, a box body, metal keels, a heat insulation material and an oil tank; theheat release method comprises a heat charging process, a transportation process and a heat release process. According to the movable heat storage container and the heat release method, renewable energy sources are produced, stored and used separately, the problems that a traditional renewable energy supply system is difficult to design, high in cost, low in efficiency and limited in use site are effectively solved.

The present application relates to a zero-carbon 5G mobile communication base station power supply method, device, computer equipment and storage medium. This method designs the power supply architecture of the zero-carbon base station system, including the cross-unit architecture of integrated power supply and the intra-unit architecture of flexible power supply. The two-stage power supply operation under the two architectures is proposed respectively. Through the renewable energy supply architecture of the renewable energy generator set to the base station unit, in each virtual unit, the total power supply curve of the renewable energy generator set is basically consistent with the total power demand curve of the base station unit. Adopting this cross-unit power supply architecture can greatly alleviate the mismatch between power supply and demand that occurs in one-to-one scenarios, thereby significantly improving the utilization of renewable energy. Thereby minimizing the inconsistency between renewable energy generation and electricity demand. In order to fine-tune the mode mismatch between the supply and demand of each virtual unit, and thus flexibly control the discharge / charge of the battery energy storage system.

A method and system for power supply integration, comprising interfacing at least one of : i) an AC power supply and ii) a DC power supply, and supplying, from the at least one of : i) an AC power supply and a ii) a DC power supply, DC power to the at least one DC load. The energy supply to the at least one DC load from the at least one AC power supply and the at least one DC power supply is controlled so as to selectively supply power from renewable energies for example.

The invention discloses a combined system of hydrogen-oxygen fuel cell power generation and a supercritical CO2 generator set. The combined system solves the problem that in an existing industrial park, renewable energy supply is not matched with the intermittent energy consumption of the park, and energy waste is likely to be caused. The wind power, solar photovoltaic power generation, terrestrial heat and industrial waste heat generator sets in the industrial park are connected together in a micro-grid manner, the redundant power in a micro-grid is decomposed into hydrogen and oxygen throughan electrolytic tank at the peak and valley of power utilization, then the hydrogen and oxygen are compressed and stored by a compressor, and the stored hydrogen is used for power generation througha high-temperature fuel hydrogen battery. The heat exchanged during the cooling of hydrogen and oxygen and the heat exchanged during heating of the high-temperature fuel hydrogen battery are exchangedto a supercritical CO2 circulating system, a supercritical CO2 medium primarily heated by a geothermal heat exchanger in the system is subjected to secondary heating and tertiary heating, and the supercritical CO2 heated for three times pushes the supercritical CO2 generator set to generate power.

A method and system for power supply integration, comprising interfacing at least one of: i) an AC power supply and ii) a DC power supply, and supplying, from the at least one of: i) an AC power supply and a ii) a DC power supply, DC power to the at least one DC load. The energy supply to the at least one DC load from the at least one AC power supply and the at least one DC power supply is controlled so as to selectively supply power from renewable energies for example.

The invention relates to a regional multi-energy system structure and a capacity configuration optimization method thereof, the system structure comprises an energy transmission and distribution system and a demand side energy supply system which are in interactive connection, and the demand side energy supply system comprises a traditional energy supply system, a renewable energy supply system and a combined heat, power and cooling energy supply system. The capacity configuration method specifically comprises the following steps: taking minimization of cost effectiveness as a target function; according to the energy conversion, the productivity constraint, the energy balance and the unit cost learning curve, setting and obtaining the constraint conditions; and on the basis of the objective function and the constraint condition, jointly constructing a productivity configuration optimization model, and solving the productivity configuration optimization model to obtain a productivity configuration optimal result. Compared with the prior art, multiple energy technologies can jointly participate in the optimization process, and the dynamic evolution of the technical cost can be comprehensively considered, so that the reliability of the optimization result is ensured.

A power management apparatus and a housing complex combination method for trading surplus power for a housing are provided. Influencing factors in analyzing a consumption pattern of an individual housing and various correlations between the influencing factors are analyzed, and an optimal sustainable housing complex through supply of new renewable energy is formed.

The invention is directed at a substantially continuous unbroken frequency curve during operation modes from dump load operation, reverse power operation, low load operation and normal operation. Controlling functions are active during all operation modes except the engine controller which is on standby when in an engine stopped mode. This all together gives a dynamic, robust and flexible energy supply, preferably in a range of 50 to 50.3 Hz. Further the clutching is performed substantially without fluctuations. The invention substantially prevents harmonic fluctuations to the grid. The main reactive power compensation is handled by the alternator always connected to the grid and rotating. Further reactive power compensation is done by a standard automatic reactive power compensation system. The invention contributes to stabilization of grid fluctuations with its mechanical inertia from the rotating alternator in the engine stopped mode and also with the engine in the other modes.

The invention discloses an energy consumption control strategy generation method and system, device, an energy distribution system and a medium, and is applied to the energy distribution system. The method comprises the steps of: predicting predicted renewable energy supply of each time slot in the future through a first predictor; obtaining time decomposition slices and corresponding slice required energy according to the predicted renewable energy supply and actual required energy; predicting a unit energy supply parameter through a second predictor, and determining a strategy threshold value of the time decomposition slices in the current time slot, wherein the energy consumption control strategies constructed by the strategy threshold values are used for controlling energy consumption. According to the invention, the predictors accurately predict the renewable energy supply and predict the cost parameter to construct an online energy supply optimization control strategy, the energy consumption efficiency and cost can be effectively optimized, the rationalization of energy supply allocation is facilitated, energy conservation and emission reduction are facilitated, and the problems in the prior art are solved.

A greenhouse heat source heat pump valley electricity heat storage block energy station, which mainly solves the existing technical problems of using valley electricity heat storage to compensate the ultra-low temperature environment for building heat supply and insufficient heat supply in cold weather. Renewable clean energy block chain energy supply mode, greenhouse heat source heat pump valley electricity heat storage block energy station is to adjust the balance of the impact of cogeneration of greenhouse gases and greenhouse waste heat on the environment, the system can realize the triple supply of heating, air conditioning and hot water by switching Valley power heat storage / cold storage function, economical and reasonable large-scale application of energy blockchain technology makes distributed renewable energy supply possible, while absorbing and improving greenhouse heat sources, it also transmits low-temperature cold airflow to the atmosphere to induce peaks and drive haze, and realize artificial cold source control Economic and social benefits of smog.

The invention discloses a fog computing-oriented coalition cooperation green energy distribution method, the method includes the steps: S1, based on the fog computing to establish a fog node, a relay node, a renewable energy supplier, a spectrum owner, an edge node and IoT network structure of terminal equipment; S2. Establish a leader-follower game model based on the Stackelberg model. Fog nodes act as leaders to formulate wireless network service price strategy p for terminal equipment; renewable energy suppliers act as followers according to wireless network service price strategy p. The price strategy p determines the price strategy w for the energy required by relay nodes; among them, a fog node and a preset number of relay nodes are set in the Internet of Things network structure, and renewable energy suppliers are used to provide energy for the Internet of Things network structure, Edge nodes are used to centralize terminal devices, and terminal devices are used to transmit data; the present invention can improve the stability of the network structure of the Internet of Things, the efficiency of data transmission, and effectively improve the profit of the network structure of the Internet of Things.