66 results about "Green electricity" patented technology

The invention discloses a green power certificate issuing system , which comprises a device and a block chain, and is characterized in that the device is authenticated by an issuing unit in advance, and the block chain comprises a user account contract and an asset issuing contract. In practical application, the system directly obtains reliable power generation data from an electric meter throughequipment, automatically calculates the number of green power certificates according to the power generation data, carries out equipment authentication through a blockchain, and automatically issues the green power certificates to a user account. The process of manually checking the power generation data is avoided, the issuing efficiency of the green power certificate is improved, and the reliability and credibility of the issuing process of the green power certificate can be ensured based on the blockchain technology. In addition, the invention further provides a green power certificate issuing method and device based on the block chain and the block chain, and the technical effect of the green power certificate issuing method and device corresponds to the technical effect of the system.

The invention relates to a comprehensive energy peak regulation station constructed based on phase change energy storage and a peak regulation method, the peak regulation station uses valley electricity redundant energy of a wind power plant and/or a photovoltaic power station and/or a power grid of a green electricity base to supply power to a fused salt electric heating furnace, and the fused salt electric heating furnace heats solid fused salt into liquid fused salt; liquid fused salt sequentially flows through the superheater, the evaporator and the preheater, the liquid fused salt and normal-temperature water complete primary heat exchange in the preheater to generate high-temperature water, the liquid fused salt and the high-temperature water complete secondary heat exchange in the evaporator to generate steam, the steam is heated and pressurized by the superheater to generate high-temperature and high-pressure steam, and the steam turbine is driven to rotate. The steam turbine pushes the generator to generate electric energy to supply power to users, part of high-temperature and high-pressure steam is conveyed to the steam pipe network to supply steam to the users, the high-temperature and high-pressure steam passing through the steam turbine enters the waste heat recovery device to exchange heat with normal-temperature water to generate high-temperature water, part of the high-temperature water supplies heat to the users, and the other part of the high-temperature water enters the absorption refrigeration equipment to generate cold energy to supply cold to the users.

The invention relates to a multi-energy combined supply type peak shaving station constructed based on hydrogen energy storage and a peak shaving method. The method comprises the steps: preparing hydrogen by using energy of a wind power plant and/or a photovoltaic power station of a green electricity base through a water electrolysis device, feeding the prepared hydrogen and oxygen into a gas engine, and converting the hydrogen and oxygen into heat energy through a combustion chemical reaction to form a high-temperature and high-pressure combustion product to push a turbine to do work; enabling the turbine to convert the generated airflow energy into mechanical energy to push the generator to operate to generate electric energy for power supply, enabling a part of steam generated by the gas engine to exchange heat with normal-temperature water through the heat exchange unit to generate high-temperature water for heat supply, enabling a part of the steam to be directly used for steam supply, and enabling another part of the steam to enter the absorption refrigeration equipment to generate low-temperature water for cold supply, wherein the prepared hydrogen can also be used for industrial hydrogen. According to the invention, the electric energy of the wind and light base is consumed to prepare hydrogen, the problem of environmental pollution caused by carbon and sulfur emission is reduced, and green and clean combined supply of electricity-heat-cold-steam-hydrogen multi-state energy is realized by utilizing the water electrolysis device, the gas engine and other related accessory equipment.

The invention discloses a green electricity source tracing method and system based on an R-PBFT consensus algorithm and a timestamp. The method comprises the following steps: acquiring green electricity whole process data; generating a data abstract or a data identifier from the obtained green electricity full-process data through hash, storing the data abstract or the data identifier in a data block in a transaction mode, and processing the data abstract or the data identifier through a timestamp; after consistency confirmation is completed through a consensus algorithm, a new block is generated, and green electricity full-process data is stored in a block chain; and accessing the green electricity full-process data in the block chain through the intelligent contract, performing cross comparison, and judging whether the electricity consumption of the electricity consumption unit is all green electricity. According to the method, the block chain technology is combined, the key information of the whole process of'sending-transmission-distribution-transaction-use 'of the green electricity is chained, and the real and credible key information of the whole process of the green electricity is guaranteed.

The invention relates to a multi-energy complementary wind-solar-hydrogen storage integrated renewable energy system which comprises wind power generation equipment (1), solar photovoltaic power generation equipment (2), energy storage equipment (3), water electrolysis hydrogen production equipment (5), a hydrogen storage device (7) and a hydrogen conveying pipe network system (8) connected with the hydrogen storage device (7). The wind power generation equipment (1), the solar photovoltaic power generation equipment (2), the energy storage equipment (3) and the water electrolysis hydrogen production equipment (5) are connected through an internal power network (4), are not connected with an external power grid and operate in an isolated network mode. By establishing the wind-solar-hydrogen storage integrated hydrogen production and supply system with the isolated network operation capability, clean green power is converted into high-quality hydrogen with wider application, and the green energy development level is improved.

The invention discloses a green electricity voucher transaction method and device and a block chain system, and the method comprises the steps: a preset block chain node determines that a first transaction demand is matched with a second transaction demand after a first user node issues the first transaction demand and a second user node issues the second transaction demand; and after the first user node and the second user node complete signing of the transaction contract of the green electricity voucher based on the first transaction demand and the second transaction demand, the preset block chain node stores the transaction contract of the green electricity voucher into the block chain, and in the above manner, it is proved that the transaction contract of the green electricity voucher transaction can be stored in the block chain, so that the transaction efficiency is improved. The authenticity and security of the green electricity voucher transaction can be ensured, and the green electricity voucher transaction information is prevented from being tampered.

The invention relates to a green electricity traceability method, electronic equipment and a storage medium, which are applied to the technical field of blockchains. The method comprises the steps: obtaining the transaction information sent by a green electricity transaction system, a green electricity traceability management system and a green electricity user system, and enabling all transaction information to be linked; verifying traceability information in the transaction information according to an intelligent contract in the green electricity traceability chain; if the verification is passed, generating a green electricity traceability pass according to each piece of transaction information; and chaining the green electricity traceability pass. The invention aims to solve the problems that in the prior art, a traceability system stores traceability data in a single database, the data is centralized, the risk that the data is tampered exists, and potential safety hazards may be generated.

The invention discloses a carbon flow emission tracking rating method based on complex power flow. The method comprises the following steps: step 1, constructing a carbon flow tracking model based on a complex power flow tracking result; step 2, dividing the carbon emission intensity grade of each user according to the carbon emission intensity benchmark value by using the result of the carbon flow tracking model; step 3, taking minimization of carbon emission intensity difference among users in the whole network as a target function, and taking green power certificate number balance and green power certificate transaction volume nonnegative as a common constraint to construct a green power certificate distribution model; step 4, according to the current carbon emission intensity of each user, allocating a green power certificate to each user by using a green power certificate allocation model; and step 5, taking the carbon emission intensity grade and the green power certificate of each user as a carbon flow emission tracking rating result of the user. According to the method, the understanding of the power consumer on the emission of the production activity is enhanced, the development of the green power certificate market is promoted, and market support is provided for the renewable energy source foremaking policy.

The invention relates to the field of methanol preparation with zero carbon emission, and particularly discloses a method for preparing methanol with near zero carbon emission by coupling gasification of a pulverized coal waste boiler with green electricity and green hydrogen, which comprises the following steps: oxygen generated by an air separation device and oxygen by-produced by a water electrolysis device react with coal in a gasification device of the pulverized coal waste boiler to obtain synthesis gas; the pulverized coal waste boiler gasification device recovers heat of high-temperature synthesis gas through a waste heat boiler and a steam superheater to produce high-pressure superheated steam, and the high-pressure superheated steam is sent to an air separation device to drive an air compressor turbine; the synthesis gas is conveyed to a heat recovery device for further heat recovery; the synthesis gas discharged from the heat recovery device is sent to a purification device, only sulfur-containing acid gas is removed, decarburization is not needed, and purified gas containing carbon monoxide, hydrogen and carbon dioxide is obtained; one part of electric energy generated by the new energy power generation system is transmitted to the water electrolysis hydrogen production device, one part is used by other electric facilities of the whole plant, and the rest part is transmitted to the energy storage device to be stored.

The invention discloses a block chain-based green power authentication method, device and system, and the method comprises the steps of pre-processing the obtained basic data to obtain the evidence storage data, authenticating the evidence storage data from a production side and a consumption side and through an authentication chain and a pass chain, and obtaining a green power attribute voucher and a green power consumption label if the authentication passes; generating the unique digital identification codes for the green power attribute voucher and the green power consumption label based on a non-homogenized token mode, and realizing the characteristics that the voucher and an identifier are non-interchangeable and inseparable and the like; supervising and checking the authentication process through a supervision chain, and generating the corresponding unique block chain identifiers for the authentication chain, a token chain and the supervision chain through a multi-chain interaction mode, so that data interaction of the block chains is realized. Therefore, the problems that a renewable energy authentication mechanism is inaccurate, and the information is asymmetric and the data is not transparent in the renewable energy attribute authentication and consumption evaluation process, are solved.

In the invention, for the power needing energy storage, by utilizing various equipment and facilities of a hydraulic power station and building various pumping equipment and facilities, part of water behind the dam of the hydraulic power station is pumped to flow back to the region ahead the dam of the original reservoir, thereby achieving the purpose of energy storage. Energy resources such as kinetic energy, potential energy, pressure energy and the like generated by the newly mixed water ahead the dam are converted into the mechanical energy of generating equipment and then converted into stable electric energy to be sent out through the network. By establishing a great electric energy storage platform for combining a plurality of reservoirs and stations with other hydraulic power stations, the invention can effectively solve the problem of energy storage of power and especially green power, thereby promoting the healthy development of the green power in larger scale, higher speed and wider range. Moreover, an extra-high voltage power transmission technology, a smart grid technology and other related technologies are used for realizing a good situation of adjustable, controllable and sustainable power generation, power storage, power utilization and power transmission and transformation, thereby providing services for economic and social development.

The invention relates to the technical field of green electricity management, in particular to a blockchain-based product supply chain green electricity consumption accounting method, device and platform, and the method comprises the steps: obtaining the transaction information of a green electricity transaction in a target block on the blockchain, wherein the transaction information of the green electricity transaction is uploaded to the blockchain after the green electricity transaction is completed; and based on the transaction information, updating account information corresponding to a seller client and a buyer client of the green electricity transaction in an account database, and updating tracing information corresponding to the seller client and the buyer client of the green electricity transaction in a tracing database. By using the technical scheme of the invention, direct and indirect green electricity consumption conditions of industrial products can be clearly metered by querying the account database and/or the tracing database, and accounting and tracing of upstream and downstream green electricity consumption footprints of a supply chain are realized.

The invention discloses a fuel cell power supply and refrigeration integrated cabinet and data center, and aims to solve problems of complex structure and serious energy loss of the data center due to the fact that energy supply and energy use are separately arranged in the existing data center. A fuel cell is directly combined with a terminal energy consumption equipment cabinet, so direct power supply is realized, distributed refrigeration of the cabinet can be realized, refrigeration efficiency is greatly improved, electric cooling energy supply efficiency is remarkably improved, and the PUE is obviously reduced. Through the integrated design, the power supply module, the refrigeration module and the power utilization module are combined together, direct-current power supply and direct cooling for the cabinet server are achieved, popularization of green electricity in a data center is achieved, intermediate loss of power supply and refrigeration is greatly reduced, and efficiency is improved.

The invention discloses a carbon emission and green electricity tracking method and device based on a proportion equipartition principle, and belongs to the technical field of electrical engineering. The tracking method comprises the following steps: acquiring input and output power flow data of each bus of a power grid by utilizing power grid terminal sensing equipment; calculating the unit power generation carbon emission of the whole network, and dividing the power generated by the thermal power plant and the power generation amount of the new energy power plant by the unit power generation carbon emission to obtain the carbon emission and the equivalent carbon neutralization amount of each power generation unit; the equivalent carbon emission and the carbon neutralization contribution of the whole process of the power grid are obtained by equally dividing the carbon emission and the carbon neutralization contribution to the power utilization or loss power per unit on the basis of power flow distribution, the loss of power transmission and distribution lines and facilities and the position and the size of a load and by utilizing a point-by-point iteration method from a power generation side. According to the method, additional enthusiasm is provided for improving energy storage and new energy consumption of users, additional enthusiasm is provided for thermal power generation units to carry out low-carbon transformation, and implementation of related mechanisms for construction of a novel power system can be effectively coordinated.

The invention discloses a method for realizing VR scene of safe electricity utilization. The method adopts a reality modeling technology based on virtual reality technology, , and displays and experiences a typical working scene of high voltage line patrol by VR, in which the content comprises high voltage electric tower line patrol and cable obstacle clearing, and the participant can understand the work content of the high voltage line patrol by means of walk-through and interaction from the perspective of linesmen. The method for realizing VR scene of safe electricity utilization is of greatsignificance for high voltage linesmen to adapt to the work content in advance, and for enterprises to popularize and educate the electricity utilization knowledge such as safe electricity utilization, green electricity utilization and electricity saving by multiple publicity mediums and means. The implementation of the method from the angle of screening the hidden risks of safe electricity utilization in families, is not only to simulate the actual physical sense of presence, but also to eliminate the boundary between real environment and computer system in a natural and interactive way.

The invention relates to a method for utilizing renewable energy power. The method comprises the following steps: electrolyzing water by utilizing renewable energy electricity to produce hydrogen and oxygen; the hydrogen enters the gas-based shaft furnace as a reducing agent to produce sponge iron; oxygen is input into the blast furnace to replace air, and blast furnace gas with low nitrogen concentration is obtained; blast furnace gas is desulfurized and then mixed with hydrogen generated by electrolyzing water, and the mixture is input into a gas-based shaft furnace to produce sponge iron. The innovation of the invention lies in that a large amount of green electricity is consumed for hydrogen metallurgy by using electrolyzed water to produce hydrogen, a large amount of oxygen is generated at the same time, and the byproduct oxygen and carbon dioxide are creatively mixed to replace air for a blast furnace. And further introducing mixed gas formed by electrolyzed water oxygen and carbon dioxide into a blast furnace to react with carbon to generate blast furnace gas. The blast furnace gas is purified and then mixed with hydrogen produced by electrolyzing water to enter a gas-based shaft furnace for producing high-quality sponge iron.

The invention discloses an electricity, water, hydrogen and methanol poly-generation energy island and method, and belongs to the technical field of energy utilization. The energy island comprises a flue gas water extraction electricity and water co-generation system, a coupling power generation hydrogen production and storage system and a carbon collection methanol production system. The electricity, water, hydrogen and methanol poly-generation method specifically comprises the following steps: 1) a carbon neutralization method in an energy island; 2) a zero water taking method; and 3) a wind-light-fire coupling energy-saving power generation method. According to the energy island provided by the invention, green electricity hydrogen production is integrated by recovering flue gas condensate water, carbon dioxide is further recovered, meanwhile, methanol is produced by green electricity, green electric energy gap is compensated by peak regulation balance electric quantity in the island, and zero water taking outside the island and carbon neutralization in the island are realized by coupling an electricity-water poly-generation unit with a wind turbine generator and photovoltaic power generation.

The invention discloses a process route for transforming a shutdown coal-fired unit and a formed new system. The process route is characterized in that the shutdown coal-fired unit is transformed to form the new system; the formed new system does not burn coal any more and is not a coal generator set any more, the green energy storage function can be achieved, and green electricity or valley electricity such as wind electricity and photovoltaic electricity can be stored; according to the adopted process route, an electric energy storage system (8) is used for replacing a coal-fired boiler system (1) of a coal power unit, and an original steam power generation system (2) and a power transmission and transformation system (3) of an old coal power unit are utilized; the method is mainly applied to the transformation of shutdown, no start or removal of the coal power unit. According to the method, the coal power unit which is not started or to be dismantled is transformed, new functions and values are provided for the coal power unit, and therefore the situation that a large amount of coal power capital sinks and employment posts are reduced due to the fact that the coal power unit is simply shut down and dismantled is avoided.

The invention discloses a multi-station fusion power resource management system based on a block chain technology, and the system comprises the following steps: 1, data preparation, which comprises initial data of power generation and utilization requests of in-station main body users and distributed energy power generation main bodies; 2, designing typical multi-station fusion service subsystem software, wherein the typical multi-station fusion service subsystem software comprises the design of a block chain subsystem based on Fabric and a background interaction subsystem; 3, researching and designing a multi-station fusion system privacy protection module and a multi-station fusion green electricity traceability module based on a block chain according to a typical service scene of multi-station fusion; and 4, system deployment and implementation.

The invention provides a green electricity differentiated transaction authentication method, belongs to the field of electricity transaction, and solves the problem that no green electricity transaction authentication method exists in the existing market, and the like. The green electricity differentiated transaction authentication method comprises the following steps: the step S01, performing green electricity transaction by adopting a centralized bidding mode, wherein the concentrated bidding comprises the following steps that: a power generation enterprise declares the power supply quantity through a power transaction platform, a power user declares the required power quantity and price through the power transaction platform, and the power transaction platform performs clearing to form a transaction result; and after the transaction result is issued, the power generation enterprise and the power user sign a contract and submit the contract to the power transaction platform to achieve a green electricity transaction; the step S02, giving a settlement basis by the power transaction platform to the power generation enterprise and the power consumer so as to carry out electric charge settlement; and the step S03: issuing a green power consumption certificate by the power transaction platform to the power consumer according to the green electricity transaction actual settlement data. According to the invention, the special transaction of green electricity is realized.

The invention provides a green electricity marketization transaction method, belongs to the field of electricity trading, and solves the problem that no trading method for green electricity exists in the existing market. The green electricity marketization transaction method comprises the following steps: the step S01, carrying out green electricity transaction by adopting a listing transaction mode, wherein the listing transaction comprises the following steps that: a power generation enterprise declares the available power quantity and price through a power transaction platform, a power consumer declares the required power quantity and price through the power transaction platform, and the other party carries out delisting to form a transaction result; and after the transaction result is issued, the power generation enterprise and the power user sign a contract and submit the contract to the power transaction platform to achieve a green electricity transaction; the step S02, giving a settlement basis by the power transaction platform to the power generation enterprise and the power consumer so as to carry out electric charge settlement; and the step SO3: issuing a green power consumption certificate by the power transaction platform to the power consumer. According to the invention, the special transaction of green power is realized.

The invention discloses a high voltage line patrol VR scene implementation method. The high voltage line patrol VR scene implementation method is based on virtual reality (VR) technology, in view of the high immersive virtual experience high voltage line patrol and laser barrier clearance, the live-action modeling technology is adopted for VR display and experience of a high voltage line patrol typical scene, wherein the details include high voltage tower line patrol and cable barrier clearance, and through the roaming and interactive way, participants can understand the work content of high voltage line patrol from the perspective of workers. The high voltage line patrol VR scene implementation method is of great significance for high voltage tower line patrol staff to adapt to the work content in advance and for enterprises to popularize the electricity knowledge of safe electricity, green electricity and energy-saving electricity and education by various publicity media and means; the high voltage line patrol VR scene implementation method is implemented from the perspective of household safe electricity use hidden trouble screening, simulates the actual physical sense of presence, and eliminates the boundary between the real environment and a computer system through natural interaction.

A universal capacitive power factor corrector usable with single phase inductive loads encases one capacitor, of 10 microfarads, one 240 volt varistor, one 22 microhenry coil, and a 330 k ohm resistor within a housing having a power cord, on off switch, 4 amp fuse, and a indicator lamp. Overall design to correct poorly designed single phase inductive current loads for home or small business.

The embodiment of the invention provides a green electric power environment value analysis method and system based on a statistical method, and the method comprises the steps: obtaining the electric quantity and electricity price information of each transaction time interval according to a determined green electric power transaction contract and an electric energy transaction contract in a transaction period; calculating an electric energy transaction average price and a green electricity transaction average price at each time interval according to the electric quantity and electricity price information; calculating a difference value between the green power transaction average price and the electric energy transaction average price at each time interval to obtain a green power environment value at the time interval; and performing weighted average processing on the green power environment value at each time interval to obtain an average green power environment value in the whole transaction period. The problem that the electric energy and the environmental value cannot be independently embodied or quantified in the transaction link in the green electricity transaction is solved.