CN111178682A - Control method of demand response management platform based on block chain technology - Google Patents
Control method of demand response management platform based on block chain technologyDownload PDFInfo
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Abstract
Translated fromChinese
Description
Technical Field
The invention belongs to the technical field of power distribution networks, and particularly relates to a control method of a demand response management platform based on a block chain technology.
Background
The method is more economical compared with the method of building and operating an expensive peak load generator set or starting rapid peak regulation and the like, and can also reduce the condition that the state uses administrative means to balance the power load and forcibly limit the power of the user. In China, the power supply obligation of a power enterprise owning and operating a national power supply system is relatively limited in developed countries, the situation that the power supply is short of demand often occurs, and the power company can not completely meet the power consumption requirements of all users in the current price. With the further deepening of economic reform of the Chinese market, demand response measures driven by the market are gradually introduced into a power system to compensate power shortage, compared with a political distribution system, the demand response measures are more commoditized, the actual power utilization condition of a power consumer is also considered, and the win-win purpose is achieved.
The accelerated implementation of demand response also makes the market of the electricity-selling side open continuously, retailers and consumers sign power supply contracts at a certain price and then purchase enough electricity and auxiliary services on the electricity wholesale market through many programs to fulfill the contracts, and a large amount of scattered resources on the demand side are gradually incorporated into the interaction scope of the power grid, which brings great challenges to the basic management architecture of the power grid bottom layer and the safety of transactions. The demand response business needs participation of multiple parties such as a power grid enterprise, a load integrator, a service provider and the like, on the premise of ensuring the safety of a power system and the fairness of transactions, the transaction mode can adopt a cost compensation system, a value accounting system, a bilateral contract, a bidding market or real-time bidding and the like, but a large amount of information flow and fund flow operation are involved, and for a traditional centralized management mode, once a central node has a problem, disastrous results can be caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a control method of a demand response management platform based on a block chain technology, which is reasonable in design, accurate and effective.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a control method of a demand response management platform based on a block chain technology comprises the following steps:
and 6, constructing a point-to-point transaction intelligent contract.
Moreover, the specific implementation method of thestep 1 is as follows: the method comprises the steps of calculating the total demand response amount through power supply and consumption data collected by the intelligent metering equipment of the Internet of things, formulating a demand response scheme and a demand response rule signal, and starting a DR event, wherein the DR event content comprises the total amount value of the response of the adjustment electric load and the related financial subsidy and incentive price of a user in the adjustment time period.
Moreover, the specific implementation method of thestep 2 is as follows: the DR event is broadcasted to each power consumer and each power supply through the intelligent terminal, the power consumers respond to the bid signal by receiving the demand and check the balance state between the energy demand and the power generation amount of the power consumers, and then task requests of the power consumers for expecting to reduce or increase the electric energy value are sent to all nodes in the block chain.
Moreover, the specific implementation method ofstep 3 is as follows: the power supplier calculates the redundant quantity L of electric energy except the electric energy which is necessarily provided according to the DR event occurrence time period1The redundancy L of the electric energy1Sending to the node user in each block chain; the other nodes verify the received demand response signals and the expected or reduced power request signals of other users, and provide response L according to the relevant factors2Or the amount of response D that needs to be receivediA data broadcast is published to each node in the blockchain.
Moreover, the block chain power distributed book constructed instep 4 is: the nodes of the electric power company or the government side have the central authority of creating a new block, each user node can store a local electric power data book copy, and an interconnection consensus algorithm of a block chain is used for ensuring that all the nodes can publicly look up transaction information and an electric power compensation price table in the electric power data book; and each node is connected with the electric energy metering equipment through the Internet of things, and records monitoring data related to energy production or energy consumption values in a general account in a block form.
Moreover, the specific implementation method ofstep 5 is as follows: through a distributed account book in a block chain node and the requirement condition of each node in the requirement response implementation process, main power data of the node is divided into a power supply party to provide power redundancy L1Electric power demand response quantity D provided by single node useriRedundancy L of electric power supplied from power consumers2The electric power government department establishes a block chain data analysis algorithm through a demand response total quantity Q obtained by the Internet of things electric power metering equipment, and performs point-to-point matching and integration on all data so as to meet the following constraints:
moreover, the specific implementation method ofstep 6 is as follows: after the redundancy and the response in the block chain are automatically matched and integrated, a difference value between an expected energy curve and actual detection energy is drawn through power data provided by the Internet of things intelligent power metering equipment of a power demand party user, the matching authenticity of the completed redundancy and the response is evaluated, if the matching is real, an intelligent contract is generated according to power subsidy values recorded in the block chain and issued by each user party and a power supervision mechanism, and relevant rules of node user punishment and excitation violating the contract are provided; if the match is false, a new DR event is started by the intelligent contract, and relevant DR signals and relevant punishment and excitation are transmitted to interested user nodes and power suppliers until a reasonable intelligent contract is generated.
And the intelligent contract is a rule for guaranteeing the flexible adjustment of the demand of the electric energy during the DR event, calculating the incentive and punishment rate related to the response users and balancing the demand and the production of the electric energy in a programmed mode, the generation of the intelligent contract triggers the start of the DR event transaction of both node users, the reasonable price of the DR event trigger period is automatically determined through the real-time electric power quotation issued by each node user in the block chain, the fund transfer is completed, and the transaction is completed.
Moreover, the specific implementation method ofstep 7 is as follows: the method comprises the steps that an electric power company with central authority or a node on a government side performs effect evaluation of DR events through an electric power transaction book locally recorded in a block chain, all users participating in the DR events are evaluated through data processing under the chain, all node users participating in the DR events are ranked according to the completion degree of the DR events, point system reward ranking is performed, and users or power supply parties with higher points enjoy the selection priority of the next DR events and obtain corresponding subsidy rewards.
The invention has the advantages and positive effects that:
1. the distributed classification bill stored by the block chain node and multi-factor verification are used for enhancing the platform reliability and keeping the integrity of data; through eliminating the matching of the middleman reduced cost and the point-to-point demand response participator, the completion speed of the demand response event is accelerated, the user side participation degree is increased, the fairness of the demand response implementation is ensured, the surplus generated energy exchange of the consumption levels of the power consumers and the power consumers, the power supply and the power consumers is promoted through the intelligent contract construction, the consumers can be converted into producers, extra storage space is provided, and therefore the transformer substation is helped to be balanced with the public energy system.
2. According to the method, a demand response management platform is constructed by adopting a block chain technology, an electric power company or an operator of a power distribution system can acquire the basic transaction condition of a demand response participant user by utilizing the block chain to evaluate the DR completion goodness, and a corresponding subsidy incentive policy and punishment mechanism are formulated, so that the complexity of data arrangement, verification and clearing is reduced compared with the traditional centralized demand response management platform, the participation degree and the independent option of the user are increased, the number of the demand response participant users can be effectively controlled, and the behavior of a demand response management platform disturbed by sending error response values by some false users can be monitored.
3. The invention can be used for distributed management, control and DR verification in a smart grid, realizes flexible transaction of trackable and tamper-proof and near real-time DR verification through the characteristics of a block chain, ensures high reliability and decentralized operation, and the whole demand response management platform consists of a plurality of peer nodes, including an electric power producer, an electric power company, a user, a load integrator, a supervision mechanism and the like.
Drawings
FIG. 1 is a schematic diagram of primary user relationships involved in demand response;
FIG. 2 is a block chain technology based architecture diagram of a demand response management platform of the present invention;
fig. 3 is a control flow diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention adopts a block chain technology to realize the demand response control function of the smart power grid. The blockchain technology is a distributed control method for developing a distributed network topology and formulating transactions, and the consensus mechanism, the security mechanism, and the storage and communication management of the blockchain infrastructure platform shown in fig. 2 can comprehensively support the development of supply and demand interaction. The power grid bearing energy flow under the regulation of the power grid multistage dispatching center and different power generation enterprises carry out medium-term or long-term or day-ahead trading of electric quantity through a unified power trading platform, the characteristics of 'opening, peer-to-peer, interconnection and sharing' of an energy internet are not met, and besides the large-scale application in the field of digital currency, the block chain is in a rapid development stage in the fields of energy trading, inter-bank combined loan clearing and the like. The distributed, intelligent, marketable and integrated block chain technology is matched with an intelligent power grid, the integrated point of the two technologies comprises four surfaces of trusted interaction, intelligent transaction, cooperative scheduling and safety supervision, the trusted interaction is a trusted interaction mechanism for supporting various nodes of the intelligent power grid through a block chain, the intelligent transaction refers to energy nodes which are complementary to power selling companies, users and power generators when the intelligent power grid is decentralized, autonomous intelligent transaction is achieved between the user side and each microgrid, the intelligent power grid is supported through the block chain, decentralized in a scheduling part, the power generators, the power transmitters, load integrators and the like are achieved, all parties cooperate to schedule and complete reasonable resource distribution, and finally a safety supervision mechanism of the intelligent power grid is established through non-tampering, non-repudiation, traceability and safety of the block chain technology.
The demand response management platform based on the block chain technology can be used for distributed management, control and DR verification in an intelligent power grid, flexible transaction of trackable and tamper-proof and near real-time DR verification are achieved through the characteristics of the block chain, high reliability and decentralized operation are guaranteed, the whole demand response management platform is composed of a plurality of peer nodes and comprises a power generator (power supply side), an electric power company, users, load integrators, a supervision mechanism and the like, and stakeholders can perform interaction coordination through a framework platform based on the block chain, support comprehensive decentralized energy demand and power generation coordination, and guarantee stable operation of the power grid.
Based on the demand response management platform, the present invention provides a control method for a demand response management platform based on a block chain technology, as shown in fig. 3, including the following steps:
In the step, firstly, the total demand response amount is calculated through the power supply and consumption data collected by the intelligent metering equipment of the internet of things, a demand response scheme and a demand response rule signal are formulated, and a DR event is started, wherein the event content comprises the adjustment of the total amount value of the electric load response, the relevant financial subsidy and incentive price of the user in an adjustment time period and the like.
And 2, broadcasting the DR event signal through the intelligent terminal.
In the step, the application software on the intelligent terminal (including a smart phone, a tablet computer, a PC terminal and the like) is used for issuing the application software to each power consumer and each power supplier, the power consumers respond to the bid signal by receiving the demand and check the balance state between the energy demand and the power generation amount, and then task requests of the power consumers for reducing or increasing the electric energy value are sent to each node in the block chain.
In this step, the power supplier calculates the redundant amount of electric energy L excluding the electric energy source to be supplied as necessary, based on the DR event occurrence period1And sending the redundancy value to node users (including operators, power sellers, load integrators, various users and the like) in each block chain. The other nodes verify the received demand response signals and other request signals of expected or reduced electric energy of other users, and provide response L according to relevant factors (the starting quantity of the equipment in the period, the consumption condition of the electric energy, the loss value of the electric energy to the other nodes caused by reducing the use of the electric energy and the like)2Or the amount of response D that needs to be receivediA data broadcast is published to each node in the blockchain.
And 4, constructing a block chain electric power distributed account book.
In this step, the nodes of the electric power company or the government side have the central authority to innovate the new block, each user node stores a local electric power data book copy, and the interconnection consensus algorithm of the block chain is used to ensure that all the nodes can publicly look up transaction information, electric power compensation price tables and the like in the electric power data book. The distributed bill for managing the block chain is constructed in the smart grid, each node is connected with the electric energy metering equipment through the Internet of things, monitoring data related to energy production or energy consumption values are recorded in a general account in a block mode, a copy of a classification account can be maintained in the point-to-point distributed energy network, and when new energy data are registered, the copy is automatically updated.
And 5, carrying out user matching and resource integration of the DR event.
In this step, through the distributed account book in the block chain node and the demand condition of each node in the demand response implementation process, the main power data of the node can be divided into the power supply side to provide the power redundancy L1Electric power demand response quantity D provided by single node useriRedundancy L of electric power supplied from power consumers2Electric power government department obtains through thing networking electric power measurement equipmentThe total amount of demand responses to Q. Establishing a block chain data analysis algorithm, and performing point-to-point matching and integration on all data by using a user so as to meet the following constraint:
and 6, constructing a point-to-point transaction intelligent contract.
In the step, after the redundancy and the response in the block chain are automatically matched and integrated, a difference value between an expected energy curve and actual detection energy is drawn through power data provided by the internet of things intelligent power metering equipment of the power demand side user, the matching authenticity of the completed redundancy and response is evaluated, and if the matching is real, an intelligent contract is generated and relevant rules of node user punishment and excitation violating the contract are provided according to power subsidy values recorded in the block chain and issued by a power supervision mechanism. If the match is false, a new DR event is started by the intelligent contract, and relevant DR signals and relevant punishment and excitation are transmitted to interested user nodes and power suppliers until a reasonable intelligent contract is generated. The generation of the intelligent contract triggers the start of the DR event transaction of both node users, and the reasonable price of the DR event trigger period is automatically determined and the fund transfer is completed through the real-time power quotation issued by each node user in the block chain, so that the transaction is completed.
The intelligent contracts are rules that ensure flexible adjustment of the demand of the electric energy during a DR event, calculation of incentives and penalties associated with participating customers, and balancing of demand and production of the electric energy in a programmed manner.
And 7, evaluating the demand response effect.
In this step, the electric power company or the node on the government side with the central authority performs the effect evaluation of the DR event through the electric power transaction book locally recorded by the blockchain, evaluates all the users participating in the DR event through data processing under the chain, sorts all the node users (including the power supplier and the power consumer) participating in the DR event through the completion degree of the DR event, performs credit system reward ranking, and the users or the power supplier with higher credit enjoy the selection priority of the next DR event and obtains the corresponding subsidy reward.
It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.
Claims (9)
1. A control method of a demand response management platform based on a block chain technology is characterized by comprising the following steps:
step 1, the intelligent power grid issues DR event signals;
step 2, broadcasting DR event signals through the intelligent terminal;
step 3, broadcasting redundancy and demand;
step 4, constructing a block chain electric power distributed account book;
step 5, carrying out user matching and resource integration of the DR event;
and 6, constructing a point-to-point transaction intelligent contract.
2. The method as claimed in claim 1, wherein the method comprises: the specific implementation method of the step 1 comprises the following steps: the method comprises the steps of calculating the total demand response amount through power supply and consumption data collected by the intelligent metering equipment of the Internet of things, formulating a demand response scheme and a demand response rule signal, and starting a DR event, wherein the DR event content comprises the total amount value of the response of the adjustment electric load and the related financial subsidy and incentive price of a user in the adjustment time period.
3. The method as claimed in claim 1, wherein the method comprises: the specific implementation method of the step 2 comprises the following steps: the DR event is broadcasted to each power consumer and each power supply through the intelligent terminal, the power consumers respond to the bid signal by receiving the demand and check the balance state between the energy demand and the power generation amount of the power consumers, and then task requests of the power consumers for expecting to reduce or increase the electric energy value are sent to all nodes in the block chain.
4. The method as claimed in claim 1, wherein the method comprises: the specific implementation method of the step 3 is as follows: the power supplier calculates the redundant quantity L of electric energy except the electric energy which is necessarily provided according to the DR event occurrence time period1The redundancy L of the electric energy1Sending to the node user in each block chain; the other nodes verify the received demand response signals and the expected or reduced power request signals of other users, and provide response L according to the relevant factors2Or the amount of response D that needs to be receivediA data broadcast is published to each node in the blockchain.
5. The method as claimed in claim 1, wherein the method comprises: the block chain electric power distributed account book constructed in the step 4 refers to: the nodes of the electric power company or the government side have the central authority of creating a new block, each user node can store a local electric power data book copy, and an interconnection consensus algorithm of a block chain is used for ensuring that all the nodes can publicly look up transaction information and an electric power compensation price table in the electric power data book; and each node is connected with the electric energy metering equipment through the Internet of things, and records monitoring data related to energy production or energy consumption values in a general account in a block form.
6. The method as claimed in claim 1, wherein the method comprises: the specific implementation method of the step 5 is as follows: through a distributed account book in a block chain node and the requirement condition of each node in the requirement response implementation process, main power data of the node is divided into a power supply party to provide power redundancy L1Electric power demand response quantity D provided by single node useriRedundancy L of electric power supplied from power consumers2The electric power government department establishes a block chain data analysis algorithm through a demand response total quantity Q obtained by the Internet of things electric power metering equipment, and performs point-to-point matching and integration on all data so as to meet the following constraints:
7. the method as claimed in claim 1, wherein the method comprises: the specific implementation method of the step 6 comprises the following steps: after the redundancy and the response in the block chain are automatically matched and integrated, a difference value between an expected energy curve and actual detection energy is drawn through power data provided by the Internet of things intelligent power metering equipment of a power demand party user, the matching authenticity of the completed redundancy and the response is evaluated, if the matching is real, an intelligent contract is generated according to power subsidy values recorded in the block chain and issued by each user party and a power supervision mechanism, and relevant rules of node user punishment and excitation violating the contract are provided; if the match is false, a new DR event is started by the intelligent contract, and relevant DR signals and relevant punishment and excitation are transmitted to interested user nodes and power suppliers until a reasonable intelligent contract is generated.
8. The method as claimed in claim 1, wherein the method comprises: the intelligent contract is a rule which ensures that the demand of electric energy is flexibly adjusted during a DR event in a programmed mode, calculates the excitation and punishment rate related to response users and balances the demand and production of the electric energy, the generation of the intelligent contract triggers the start of the DR event transaction of both node users, the reasonable price of the DR event trigger period is automatically determined through real-time electric power quotation issued by each node user in a block chain, the fund transfer is completed, and the transaction is completed.
9. The method as claimed in claim 1, wherein the method comprises: the specific implementation method of the step 7 is as follows: the method comprises the steps that an electric power company with central authority or a node on a government side performs effect evaluation of DR events through an electric power transaction book locally recorded in a block chain, all users participating in the DR events are evaluated through data processing under the chain, all node users participating in the DR events are ranked according to the completion degree of the DR events, point system reward ranking is performed, and users or power supply parties with higher points enjoy the selection priority of the next DR events and obtain corresponding subsidy rewards.
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