194 results about "Energy trading" patented technology

The invention relates to a distributed energy transaction authentication method based on an alliance block chain. For the data security problem of a distributed energy source during the transaction authentication process, a distributed energy transaction authentication model based on the alliance chain technology, a related TCA transaction authentication algorithm and an ET-Pos interest proving method are provided. the method is provided based on the data encryption of the block chain technology, the time stamp, the distributed consensus and other means, and the traditional energy transaction system is optimized. Therefore, the security of a transaction center database, the user information privacy, the capacity mismatching of multiple units and the like are well solved. The safety, the information transparency and the automatic authentication level of distributed energy transaction data are improved.

The invention discloses a comprehensive energy cluster coordination control method for improving the stability of a power grid. The method comprises: an anti-interference state observation method forimproving system stability, a measurement-correlation-prediction MCP modeling and evaluation method, a source network load comprehensive energy cluster coordination rapid response anti-interference control method and an optimization simulation platform, and a multi-benefit subject optimization operation and transaction risk hedging strategy based on dynamic game. According to the invention, basedon complex system theoretical analysis, a universal anti-interference state observer with engineering use value and an MCP modeling evaluation method are provided, the method can be used for a multi-time-scale cold / heat / electricity comprehensive energy coupling system in county urban and rural overall planning areas, a multi-energy power generation coordination optimization control method based oncloud interaction and an energy transaction simulation technology oriented to cluster benefit optimization can be provided for wide-area multi-energy power generation clusters such as photovoltaic / wind power / thermal power generation / gas turbines and the like, and a matched edge computing sensor and an intelligent controller are developed.

The invention discloses a distributed energy transaction execution method, device and apparatus based on a block chain. The method comprises the following steps: before the electric quantity transaction, determining the user type of the participating user and the tradable electric quantity; according to the transaction application broadcast by each node, the bookkeeping node adopts the preset market matching mechanism to determine the transaction information of the participating users; The bookkeeping node broadcasts the transaction information to the block chain network and writes the block chain so as to enable each participating user to execute the electric quantity transaction according to the transaction information. At the end of the electricity trading, according to the actual powergeneration, power consumption data, virtual currency settlement for participating users is performed through smart contracts. The method can realize the collaborative and autonomous operation of distributed energy transactions among users managed and controlled by non-centralized entity institutions, thereby promoting the on-site consumption of distributed renewable energy, ensuring the safety and credibility of energy transaction data, and ensuring the automatic settlement of distributed storage and transaction results.

A method for reducing greenhouse gas emissions by promoting more efficient energy use, by establishing a measure of efficiency, defined as a ratio of a measure of energy use to a measure of production; establishing a reduction schedule that sets limits on the energy efficiency ratio, with the schedule covering a series of compliance time periods and requiring efficient energy use during those time periods; establishing a transferable credit representing an amount of energy and establishing a tradable financial instrument representing a number of energy efficiency credits; issuing a plurality of energy efficiency credits to the entities; establishing a trading system to facilitate the sale and purchase of the financial instruments; and requiring entities to comply with the reduction schedule by making operational improvements or acquiring and surrendering credits to thus increase the efficiency of energy use in turn reducing greenhouse gas emissions.

The invention provides an intelligent energy gateway for user-side microgrid power transactions in combination with blockchain technology, and the functions of energy data uploading, power transactionexecution control, digital fund transfer and the like are realized through a user electricity purchasing and selling intelligent contract. When a transaction main body accesses the network, a transaction main body serves as a new information node of a network and uploads electric power production and consumption data and the like to a data block, a producer sends electricity selling information through a block chain network, an electric power user responds to a transaction request according to electricity demand quotation and triggers a state machine to start an intelligent contract, and buyers and sellers match transactions according to clearing prices obtained by two-way buying and selling; and finally, a blockchain consensus mechanism confirms the transaction information and writes thetransaction information into the energy blockchain. According to the invention, the transaction process is simplified, point-to-point power transaction with a high degree of automation is realized ata user side, benefit maximization of both production and consumption parties is ensured by combining a continuous bidirectional auction mechanism, and energy transaction between micro-grids is stimulated.

The invention designs a secure and efficient V2G energy trading mechanism in a network physical system using a block chain, edge computing and a contract theory. In this invention, a secure and efficient V2G energy trading framework is provided by exploring the block chain, the contract theory and marginal computing. First of all, a secure energy trading mechanism based on alliance block chain isdeveloped for V2G. Then, considering the asymmetric information scenario, an effective incentive mechanism based on contract theory is proposed. The social welfare optimization problem belongs to thedifference category of convex (DC) programming and is solved by iterative convex-concave process (CCP) algorithm. Next, edge computations have been incorporated to increase the probability of successin block creation. The computational resource allocation problem is modeled as a two-stage Steinberg game, and the optimal strategy is obtained by backward induction.

An energy control method for an energy management system provides an operation plan for the energy management system for monitoring and controlling an energy charging and discharging state according to an energy storage type, since energy self-sufficiency at home is enabled through association between an energy storage system (ESS) such as an electric vehicle charging station and home as a renewable energy power supply in the form of a distributed energy resource (DER) is constructed at home. The energy control method adds functions of a home energy management system (HEMS) managing and controlling a renewable energy power supply, the ESS, and the electric vehicle charging station that may be constructed at home afterwards, thereby providing consumers with a control order of various facilities not considered before. Therefore, information on settlements caused by energy supply and demand procedures and energy trading details and management evaluation functions may be provided.

Software aggregates and integrates credit exposure data across accounting, trading and operational systems within an energy trading organization. A comprehensive model of exposure to all counterparties, across all of their divisions and subsidiaries, is then assembled, enabling the creation of a hierarchical view of each counterparty that models its real-world parent-child relationships, and taking into account netting, setoff, and margin requirements, collateral requirements and contract terms, internal and external views of exposure and liquidity, and risk concentrations based on both system and user-defined risk categories. After aggregating the exposure information, credit, transactions, risk and other properties are determined at any level in the hierarchy and then the system presents a comprehensive, detailed, real-time, enterprise-wide view of current exposure, collateral requirements and outlays for both a company and its counterparties. Walkforward views of potential credit exposure taking into account current and future prices and volumes are also provided.

There discloses a ubiquitous energy network for optimum utilization of energy, which includes nodes connected by an interconnected network architecture of virtual pipelines transferring a ubiquitous energy flow, with the ubiquitous energy flow being transferred among the nodes bi-directionally. The node includes a system energy efficiency controller, and at least one of other nodes, an energy generation device, an energy storage device, an energy utilization device, and an energy regeneration device connected to the controller. The controller controls the input and output of the ubiquitous energy flow of the at least one of the other nodes, the energy generation device, the energy storage device, the energy utilization device, the energy regeneration device. Furthermore, the node, an access terminal, a virtual tag, and the virtual pipeline of the ubiquitous energy network, and a server and method for providing energy transaction and service by the ubiquitous energy network are disclosed.

The invention discloses an energy internet safety intelligent trading system and a method thereof based on block chain technology. The system comprises a block chain energy trading platform, a terminal device, an energy scheduling system and a smart contract system. The terminal device and the block chain energy trading platform are in energy supply and demand information interaction; the block chain energy trading platform and the energy scheduling system are in energy supply and demand information and energy trading scheme interaction; and the block chain energy trading platform and the smart contract system are in intelligent contract information interaction. The trading system combines the block chain technology and a smart contract, and eliminates the role of a third-party trading center in the energy trading process; all participants in the trading are in equal status; and energy trading is executed automatically according to a preset smart contract.

The invention discloses a distributed energy network system, a microgrid, a network scheduling system and a forming method thereof, relates to the technical field of distributed energy and aims at effectively improving the utilizing rate of energy in each microgrid. The distributed energy network system comprises a plurality of microgrids, the network scheduling system and connecting lines, wherein the connecting lines are used for connecting the microgrids, respective running data are sent to the network scheduling system by the microgrids, and whether two microgrids in all the microgrids meet interconnection conditions or not is determined by the network scheduling system according to the received running data of each microgrid; if two microgrids are determined to meet the interconnection conditions, a control command is sent to the two microgrids to instruct the two microgrids to execute interconnection, and accordingly, energy trading between the two microgrids can be controlled. The distributed energy network system is suitable for distributed energy technologies.

The invention discloses an energy transaction system based on the blockchain technology, and the system comprises energy types and a transaction mode. The energy types comprise many types of resources. An energy generating side performs the wind power generation, photovoltaic power generation, energy storage, cold and hot water output or liquefied gas output; an energy consumption side comprises various factories, power equipment, electric consumption equipment, cool air and hot water, wherein all energy are equivalent to a tradable interest Q. The blockchain technology comprises a protocol layer, an extension layer, an application layer, and a transaction settlement center. The system can solve a problem that a conventional centralized system design mode causes the low efficiency in transaction mechanism, the payment mode and the settlement; problems that participants are liable to form data islands, data flow is not smooth and intelligentization degree is not high; problems that thetransaction cannot be tracked, the changes of the energy quantity cannot be flexibly tracked, and there is short of a safe and credible support.

The invention discloses a multi-microgrid sequential grid-connection optimization scheduling method, apparatus and system. The method comprises the steps of establishing a constraint condition and anoptimization target, and building a multi-microgrid optimization model according to the constraint condition and the optimization target; according to the discreteness and continuity of variables, decomposing the multi-microgrid optimization model into a main problem and sub-problems; and according to microgrid parameters and electricity price information, solving the main problem and the sub-problems to obtain a scheduling plan. The method is mainly used for a centralized multi-microgrid energy management system, and aims to coordinate multi-microgrid energy trading, overcome disturbance of uncertain factors, improve running economy and energy utilization efficiency, and assist a system operator to make an optimal running decision.

The invention provides an energy Internet transaction account book management method and system based on a blockchain. The method comprises the following steps of S11, broadcasting the electricity sell plan issued by each electricity seller and the electricity purchase plan issued by each electricity purchaser to all participants in a blockchain network; S12, according to the electricity sell planand the electricity purchase plan, realizing transaction logic between each electricity seller and each electricity purchaser based on an intelligent contract mode to generate transaction information; and S13, packaging the transaction information into blocks in the blockchain network based on a Byzantine fault tolerance algorithm. In the invention, based on the energy transaction of the blockchain network, because of the characteristic of the blockchain, decentralized transaction is realized, third party participation is not needed, manpower cost is saved, the transaction information is written into the transaction account book, and the transaction information is transparent and can not be tampered.

The invention discloses a PHEV energy trading system based on a coalition block chain. The system comprises: a PHEV, which comprises a charging PHEV for consuming energy and a supplying PHEV for supplying energy; an energy fog node used for providing communication support and energy trading platform, managing energy trading, carrying out consensus management of distributed accounting books, and completing transaction audit and data sharing; a smart meter for calculating and recording energy transactions in real time; The invention also discloses a trading method based on PHEV energy trading system, comprising the following steps: S1, initializing the system; S2, performing PHEV classification; S3, carrying out energy trading; S4, transferring the energy coin; S5, generating a block; S6, using PDPOS algorithm for consensus. The invention solves the problems of low system security, low user privacy, low energy transaction efficiency and poor scalability, and large user authentication delay, long use time and low efficiency existing in the prior art.

The invention relates to a private charging pile safety sharing and electric vehicle charging optimization system and method based on energy block chain. The system comprises a user registration module, a user information acquisition module, a social network module, a user trust degree module, a user utility module, an alliance matching game module and an energy block chain module. The user registration module is connected with the user information acquisition module; the user trust degree module is connected with the social network module; the user utility module is connected with the user trust degree module and the user information acquisition module; the alliance matching game module is connected with the user utility module; and the energy block chain module is connected with the alliance matching game module. The method comprises the steps of establishing user trust degree according to social contact and recommendation information of a user; according to the user utility function, using the alliance matching game to optimize the user energy transaction strategy; signing energy transactions through BLS multiple signatures and then collecting and verifying the transactions in the network by the consensus node, and recording the transactions in the block chain.

The invention discloses a park operator energy transaction optimization decision-making method based on supply and demand game interaction. The method comprises the following steps: performing detailed modeling analysis on internal energy equipment of a park comprehensive energy system by adopting the concept of an energy hub, establishing a benefit function by taking the net profit of energy purchasing and selling of a park operator participating in the market as a target, and simulating the benefit function through historical transaction strategy data of an energy supplier and a user; basedon the Stackelberg game theory, considering the initiative of energy suppliers and users at the same time, adopting a power-price curve containing profits and marginal costs and a time-sharing unifiedprice respectively, and providing a park operator supply and demand double-side game interaction framework; based on Nash equilibrium definition, enabling mathematical derivation to prove that the game model has a unique equilibrium solution; on the basis of an inverse induction method, adopting a solving algorithm combining a particle swarm algorithm and a CPLEX solver to solve the model, and the method is reasonable in structure, high in practicability and suitable for popularization.

A crowdsourced energy system includes a plurality of distributed energy resources managed by crowdsourcees of the system, a power network to which the distributed energy resources are connected, and a system operator that manages energy trading transactions and energy delivery within the system, the system operator operating at least one computing device configured to: obtain day-ahead peer-to-peer energy trading transaction requests from crowdsourcees for energy to be delivered from the distributed energy resources, estimate day-ahead energy load and solar forecasts, determine optimal power flow for the delivery of energy, and schedule delivery of energy from the distributed energy resources across the power network based upon the energy trading transaction requests, the estimated forecasts, and the determined optimal power flow.

The invention relates to a distributed energy P2P transaction method based on centralized matching. The method comprises the following steps that 1, a user submits a transaction declaration, wherein the user submits the transaction declaration to a transaction center; 2, a transaction center audits, wherein the transaction center audits the rationality of the quotation order according to market rules; step 3, centralized matching is carried out: the transaction center performs matching on the user declaration according to a matching principle; 4, a transaction result is issued: the transactionresult is issued to all market users by the transaction center; step 5, deviation punishment measures is carried out: transaction is carried out on the part which is not matched with the completed transaction in the centralized matchmaking and the energy supplier, and the punishment measures are taken for the deviation between the contract transaction volume and the actual operation; and step 6,settlement of the transaction center is carried out: the power transaction center performs final fund settlement according to the actual order execution condition.

The invention discloses a distributed energy transaction and supply management system and method based on a blockchain. A plurality of energy transaction and supply nodes form a blockchain network, anintelligent contract is deployed in the blockchain network, and according to the intelligent contract, the power generation energy and energy storage capacity of all nodes of the blockchain network are automatically controlled to achieve balanced supply and demand; a prediction model is established, and prediction results obtained by the prediction model are synchronously sent to all the nodes ofthe blockchain network; the guidance motion about the power supply and demand on the chain is given in advance and recorded on the blockchain. By means of the system and method, a blockchain technique is adopted for establishing the distributed energy transaction and supply system, transaction data and prediction analysis results are recorded on the blockchain in a tamper-proof mode and subjectedto decentralized distributed storage, distributed energy transactions are public and transparent, and the distributed energy efficiency is improved.

The invention relates to an extensible distributed power transaction method in a multi-microgrid environment. The method comprises the following steps of S1, constructing a block chain network; S2, examining the permission allowing a user to enter a transaction market; S3, allocating the public and private keys and the wallet addresses; S4, before each transaction gap, enabling a consumer to submit the quotation information, and a producer and a salesman to submit the bidding information; encrypting all quotation information and bidding information by the public and private keys; S5, completing the bidding matching according to a bidirectional auction mechanism; S6, judging whether a transaction rule is met or not, if yes, executing S7, and if not, returning to S4; S7, carrying out power transmission, and enabling an intelligent electric meter to monitor the electric energy transmission of a node in real time; S8, completing the market clearing; and S9, enabling each microgrid operatorto compete for an accounting right according to a workload proof mechanism, and enabling a winner to be an accountant to make a block and embed the block into a block chain network. According to theinvention, the distributed energy transaction system can realize the higher energy transaction efficiency and the stronger stability.

The invention provides a two-level game-based micro grid optimal and elastic energy trading method and a system and relates to the technical field of the micro-grid technology. According to the technical scheme of the invention, a non-cooperative game model is established according to a user terminal, and then the load strategy of the non-cooperative game model, corresponding to the user terminal, is optimized and scheduled. In this way, a first load strategy is obtained. According to the first load strategy, the roles of the micro-grid are determined. The roles of the micro-grid include a micro-grid the seller and a micro-grid buyer. A multi-master and multi-slave stackelberg game model is established between the micro-grid the seller and the micro-grid buyer. According to the multi-master and multi-slave stackelberg game model, the energy trading strategy of the micro-grid seller is optimized and scheduled, so that a first energy trading volume strategy is obtained. According to the multi-master and multi-slave stackelberg game model and the first energy trading volume strategy, the buying strategy of the micro-grid buyer is optimized and scheduled, so that a first buying strategy is obtained. According to the technical scheme of the invention, the earnings of the micro-grid, the utilization rate of the energy, and the sharing rate of the energy are improved.

The invention provides a new energy settlement system based on a block chain. The new energy settlement system comprises capacity nodes which generate new energy and transmits the new energy in an IOTtransmission mode, energy consumption nodes which send an energy consumption request when the energy consumption node needs to use new energy, and energy storage nodes which receive the new energy transmitted by the capacity node, and send the new energy to the user node in an Internet of Things transmission mode according to the energy consumption demand of the energy consumption node, wherein aplurality of capacity nodes, a plurality of energy consumption nodes and the energy storage node form a block chain network. According to the new energy settlement system, the blockchain technology is used; the applicability is wide; convenience and rapidness are achieved; the transaction cost, especially the proficiency cost of energy transaction, is greatly reduced; and popularization and application of new energy power generation are promoted.

The invention discloses a block chain weakly centralized energy online transaction method based on an energy internet. The method comprises the following steps: step 1, establishing an advanced node peer-to-peer network; 2, establishing a primary node peer-to-peer network; step 3, the primary nodes in the energy internet submit energy transaction plan information to the system; step 4, the highernode in the system receives and processes the energy transaction plan, matches the transaction price and the energy transaction number according to an electricity price verification principle, broadcasts transaction information of the transaction price and the energy transaction number in a primary node network, and writes the transaction information into a higher node block chain; step 5, the primary node performs transaction according to the block information in the higher node block chain, writes the transaction information into the primary node block chain, and forms an energy transactionintelligent contract to complete the transaction; the technical problem that in the prior art, the requirements of the future energy internet cannot be met for a centralized transaction mode of distributed energy is solved.

In an automated exchange system trading energy contracts a converter / translator unit is located interconnected between the order input terminal and the computer hosting the central marketplace / orderbook of the automated exchange system. The trader using the input terminal will use the energy units and order format(s) he normally uses or the units he prefers to use to for each energy commodity. The converter unit is designed to translate the order into a system standard format that will be specified by the marketplace. The trading system including the converter / translator unit will give flexibility to the traders and still have the benefit of standardized instrument specifications between different types of commodities. Also derived orders can easily be generated in the automated, even for complex combination orders involving different energy types.

The invention relates to a block chain-based distributed energy trading system. The system comprises a client, a public account, a private chain, a release module, an auction module, a check module and a clearing module. By applying an Ethereum intelligent contract technology, a multilateral trading platform is built; and release trading, sealed quotation, public sealed quotation, auction and security check in multilateral trading of a power distribution network are realized. According to the system, a multilateral trading mode of multiple trading requests and multiple response quotations is designed; and a decentralized power distribution network architecture and a market clearing model are built.

The invention discloses an energy transaction management system and method based on a DPoS blockchain. According to the invention, by a mode of applying the DPoS blockchain the problems that high costof an operation component of a node and the consumption of lot of power resources caused by the employment of a high energy-consuming PoW consensus algorithm by an existing energy transaction management method are solved. The problems that an accounting node and a proxy node are difficult to set and a proxy node abnormality is difficult to solve in an existing application method of DPoS blockchain lacking energy transaction management are solved by presetting proxy node and abnormal node automatic elimination, and the resource redundancy rate is reduced at the same time. According to the system and the method, the node computing pressure can be effectively reduced, the cost of the operation component is reduced, and the power consumption is reduced.

The invention relates to a distributed energy transaction communication platform based on block chain technology, a communication method and a construction method of the communication platform. The communication platform comprises three layers, a hardware layer, an application layer and a block chain layer, the hardware layer comprises power generation / utilization equipment of a user; Intelligentelectric meter and intelligent terminal, the block chain layer comprises an intelligent contract; wherein the intelligent contract is a digital transaction rule; the application layer is composed of aweb front end; the js rear end and the Python rear end form a distributed application; wherein the web front end is used for realizing mutual communication of the hardware layer, the application layer and the block chain layer, the web front end is used for receiving declaration information and transaction information input by a user, the js rear end remotely calls an intelligent contract, the declaration information and the transaction information are input, and the Python rear end remotely calls the intelligent contract and inputs electric quantity information. According to the technical scheme of the invention, communication transmission of producer information in the distributed energy transaction market is realized, the effect of multi-information fusion communication is achieved, the communication response time is shortened, and efficient distribution and reasonable utilization of energy are realized.

The invention provides an energy trading model by means of energy Internet. The model comprises a formula as described in the specifications, xn=fn(t) and pn=Fn(p'n); y is total expenditure for buying energy by a user; xn is an effective energy use price and is determined by a time function fn(t); n is a type of energy input in the energy Internet; t is a time period; pn is an effective energy use amount; Fn(p'n) is a self characteristic function by a certain energy; and N is a total energy type number. According to the trading model of the invention, an energy price metering form is updated in the basis of the current sectional electricity price, a good foundation is laid for wide interconnection by the future energy. Even if in a single energy trading mode, compared with the current ladder-type electricity price trading mode, the energy trading mode of the invention can increase optimization paths for energy pricing and trading.