CN113327112A - Cross-chain interoperation-based high-credibility distributed transaction method for comprehensive energy microgrid group - Google Patents
Cross-chain interoperation-based high-credibility distributed transaction method for comprehensive energy microgrid group Download PDFInfo
- Publication number
- CN113327112A CN113327112A CN202110609196.4A CN202110609196A CN113327112A CN 113327112 A CN113327112 A CN 113327112A CN 202110609196 A CN202110609196 A CN 202110609196A CN 113327112 A CN113327112 A CN 113327112A
- Authority
- CN
- China
- Prior art keywords
- energy
- transaction
- chain
- cross
- demand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000011156 evaluation Methods 0.000 claims description 31
- 230000006399 behavior Effects 0.000 claims description 10
- 230000003211 malignant effect Effects 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000012163 sequencing technique Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Accounting & Taxation (AREA)
- Economics (AREA)
- Finance (AREA)
- Strategic Management (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Marketing (AREA)
- Computer Security & Cryptography (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Human Resources & Organizations (AREA)
- Primary Health Care (AREA)
- Tourism & Hospitality (AREA)
- Development Economics (AREA)
- Technology Law (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a cross-chain interoperation-based high-credit distributed transaction method for an integrated energy microgrid group, which is used for intercommunication and interconnection of a plurality of integrated energy microgrid systems. Constructing a block chain network of a main and auxiliary chain structure, and performing high-credibility distributed transaction of the comprehensive energy microgrid group through the network; an energy supply party and an energy demand party in each comprehensive energy system set up intelligent contracts in respective sidelines, perform energy trading and generate credit value information according to performance conditions; when the requirements of the participants cannot be met in a certain integrated energy system, the energy trading requirements are sent to the main chain; the main chain carries out matching transaction on cross-chain energy demand by taking the credit value as a basis, and broadcasts the achieved transaction agreement and credit value information to the whole network; and the comprehensive energy microgrid group executes the achieved energy transaction agreement through block chain cross-chain interoperation and completes fund settlement. The distributed transaction of the comprehensive energy micro-grid group with high credit is realized based on the main-auxiliary chain parallel and cross-chain interoperation technology, and the distributed trusted transaction of the energy system is effectively realized.
Description
Technical Field
The invention relates to the technical field of comprehensive energy trading and block chains, in particular to a comprehensive energy microgrid group high-credit distributed trading method based on cross-chain interoperation.
Background
The comprehensive energy system is a novel integrated energy system which integrates multiple energy sources in a certain region by utilizing advanced physical information technology and innovation management mode, meets diversified energy utilization requirements in the system, effectively improves energy trading reliability and energy utilization efficiency, and promotes sustainable energy development.
With the rapid development of the comprehensive energy technology, the comprehensive energy systems in different areas and different types increase year by year, and the following problems are caused: firstly, the safety and the reliability of energy supply are lack of guarantee, and when part of energy supply facilities in the system break down, the requirements of energy users are seriously influenced; secondly, when the energy demand in the system is insufficient, the phenomenon of difficult consumption of renewable energy sources is easy to occur; third, the energy interaction barriers form value islands among systems, trust among different systems is insufficient, the cross-system transaction enthusiasm is not high, and the advantages that the comprehensive energy system promotes the renewable energy consumption and reduces the dependence on centralized energy supply facilities are not brought into full play.
Aiming at the problems in the prior art, the invention provides a comprehensive energy microgrid group high-credit distributed transaction method based on cross-chain interoperation, which is based on the technical advantages of block chain decentralization, openness and transparency, safety and credibility, information traceability and non-falsification, establishes a marketable transaction architecture of a plurality of comprehensive energy microgrid groups and a credit evaluation mechanism covering the whole comprehensive energy microgrid group, and combines a block chain cross-chain interoperation mechanism to realize cross-system energy distributed transaction of each energy supply and demand party, promote wide area balance of an energy system and improve the utilization efficiency of renewable energy.
Disclosure of Invention
The invention provides a cross-chain interoperation-based high-credit distributed transaction method for a comprehensive energy microgrid cluster. And performing energy transaction inside each comprehensive energy system by using a plurality of sublinks, periodically updating and storing cross-chain energy transaction demand information of each sublink by using a main chain, and assisting each sublink to perform cross-system energy transaction. The method is used for solving or at least partially solving the technical problem that cross-system transaction is not positive due to the fact that the energy interaction trust degree between the multiple comprehensive energy micro-grid groups is insufficient in the prior art.
In order to achieve the above object, the present invention adopts the following technical solutions.
A comprehensive energy microgrid group high-reputation distributed transaction method based on cross-chain interoperation comprises the following steps:
A. constructing a block chain network with a main chain and a plurality of auxiliary chains in parallel, performing high-credit distributed transaction on the comprehensive energy microgrid group through the network, performing energy transaction and credit evaluation on the comprehensive energy system of the region to which each auxiliary chain belongs, and performing credit disclosure and cross-system energy transaction on all participating nodes of the comprehensive energy microgrid group through one main chain;
B. an energy supply party and an energy demand party in each comprehensive energy system make an intelligent contract in respective sidelines, energy trading in the system is carried out, credit evaluation is carried out on all participants of the sidelines by referring to contract execution conditions, voting behaviors and cross-chain trading enthusiasm, and the participants with the top credit sequencing are used as consensus nodes of the sidelines to form a main chain;
C. when energy supply and demand imbalance exists in a certain integrated energy system or the current situation of energy transaction is not satisfied, an energy supplier and an energy demander in a sideline send a cross-chain transaction request to a consensus node in the sideline according to the self needs, and the consensus node packs the data of the transaction requester and then sends the cross-chain energy transaction request to a main chain;
D. the main chain regularly carries out matching transaction on cross-chain energy demand, the matching is carried out from high to low according to the credit degree sequence of the energy supply and demand party, the successfully matched transaction protocol and the updated node credit degree evaluation value are converted into a data block with a timestamp by utilizing a hash function and are broadcast to the whole network;
E. after matching transaction of each energy supply and demand party in the comprehensive energy microgrid group is completed, the achieved energy transaction agreement is executed through block chain cross-chain interoperation, fund settlement is completed, and the transaction agreement completion condition is recorded by the main chain and broadcasted in the whole network to be used as a consideration factor for evaluating node credibility in the next period.
According to the comprehensive energy microgrid group high-credit distributed transaction method based on cross-chain interoperation, in the step A, when a block chain network of a main and auxiliary chain structure is constructed, one main chain is used as a public chain to be opened to all energy supply parties and demand parties of the comprehensive energy microgrid group, and each auxiliary chain is used as a private chain or a union chain to be opened only to the energy supply parties and the demand parties in each comprehensive energy system.
According to the comprehensive energy microgrid group high-credit distributed transaction method based on cross-chain interoperation, a main chain and a plurality of auxiliary chains constructed in the step A are in independent states and complete systems, the main chain is used for credit disclosure of all participating nodes of the comprehensive energy microgrid group and cross-system energy transaction, and each auxiliary chain is used for energy transaction and credit evaluation of the regional comprehensive energy system.
The comprehensive energy microgrid group high-credit distributed transaction method based on cross-chain interoperation comprises a plurality of independent comprehensive energy systems, each comprehensive energy system comprises an electricity, heat, cold and gas energy supplier and an energy conversion device, and the comprehensive energy systems are connected through a power grid, a gas pipe network and a heat supply pipe network energy transmission and distribution line.
In the comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation, each sideline in the step B evaluates the credibility of all participating nodes of the sideline according to the characteristics of the comprehensive energy system in which the sideline is located, and makes a corresponding energy scheduling or transaction strategy, and each sideline is independently and parallelly executed.
In the above cross-chain interoperation-based high-reputation distributed transaction method for the comprehensive energy microgrid group, the unbalanced energy supply and demand in step C means that energy suppliers in each comprehensive energy system cannot reach an energy transaction agreement in a certain time slot, and energy demanders in the system cannot purchase required energy in a certain time slot.
In the comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation, in the step C, the energy transaction requirements comprise energy supply or requirement types, upper and lower power limits and expected transaction prices.
In the comprehensive energy microgrid group high-credit distributed transaction method based on cross-chain interoperation, in the step C, the main chain receives energy transaction demands periodically sent by each auxiliary chain, and main chain data information is disclosed for the whole comprehensive energy microgrid group.
According to the comprehensive energy microgrid group high-credit distributed transaction method based on cross-chain interoperation, n time slots are matched and traded in the step D, energy supply and demand parties participating in cross-system transaction in a certain time slot upload energy transaction demands of the next time slot, and a main chain carries out the matching transaction through the deployment and execution of intelligent contracts according to the credit.
According to the cross-chain interoperation-based high-credibility distributed transaction method for the comprehensive energy microgrid group, the matching transaction in the step D adopts a decentralized distributed transaction mode, matching transactions are preferentially carried out among persons with high credibility, and when the transaction requirements of the energy supplier and the energy demand supplier are matched, transaction coordination can be achieved.
According to the comprehensive energy microgrid group high-credit distributed transaction method based on cross-chain interoperation, a notary mechanism is adopted for block chain cross-chain interoperation in the step E, an energy demand party firstly hosts assets in cross-chain notary nodes, when the energy supply party supplies energy to the energy demand party according to a transaction protocol, and after the notary nodes confirm that no errors exist, the notary nodes transfer the assets to an energy supply party account.
And further, the notary node in the step E is determined by all energy supply and demand parties in the comprehensive energy microgrid group in a recommended election mode, and according to the execution condition of each notary node, the notary node is periodically re-elected and evaluated to dynamically update the notary node.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) according to the distributed transaction network, the distributed transaction network with high credibility of the comprehensive energy microgrid group is constructed through the block chain main and auxiliary chain structure and the cross-chain interoperation technology, so that the technical problems that a plurality of comprehensive energy systems are mutually untrusted and cannot be interconnected and intercommunicated are solved, the energy supply and demand balance of the comprehensive energy systems is guaranteed, and the energy utilization efficiency and the credibility of energy transaction are improved.
(2) The energy transaction information of each comprehensive energy system is opened and shared in the block chain distributed network, the public transparency of the data information of the energy system is improved, a bottom-up energy transaction model can be formed, and the decentralized autonomous cooperation of energy supply and demand parties is realized.
(3) The invention flexibly applies a cross-chain interoperation technical means, realizes cross-system and cross-region free transaction by evaluating the credit degree of each energy supplier and each energy demander, effectively improves the energy utilization efficiency mainly based on renewable energy, and ensures the sustainable development of the energy industry in China.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a flowchart of a cross-chain interoperation-based high-reputation distributed transaction method for an integrated energy microgrid group
FIG. 2 is a schematic diagram of a block chain primary and secondary chain structure according to the present invention
FIG. 3 is a flowchart of step E of the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a cross-chain interoperation-based high-credit distributed transaction method for a comprehensive energy microgrid group, wherein related distributed transactions are performed among a plurality of comprehensive energy systems, and a transaction main body comprises the following steps: a plurality of energy suppliers and a plurality of energy demanders. In the aspect of physical structure, all main bodies participating in transaction in the comprehensive energy microgrid group are connected through a power line, a heat distribution pipeline and a gas pipeline. In the aspect of information communication, each transaction main body in the comprehensive energy microgrid group is provided with a corresponding intelligent computing facility and used for collecting transaction and credit evaluation information of the blockchain network, storing related data and deploying and executing intelligent contracts. As shown in fig. 1, the method specifically includes the following steps:
A. and constructing a block chain network of a main and auxiliary chain structure, and performing high-credit distributed transaction of the comprehensive energy microgrid group through the network, wherein the main and auxiliary chain structure consists of a main chain and a plurality of auxiliary chains.
Specifically, as shown in fig. 2, when a block chain network of a main-auxiliary chain structure is constructed, a main chain serves as a public chain to realize intercommunication interconnection and reputation disclosure of multiple integrated energy systems, and the main chain is open to all consensus nodes meeting reputation requirements of the integrated energy microgrid group; each comprehensive energy system realizes the energy trading and credit evaluation in the system by a sublink, and the sublink is only opened to energy supply parties and demand parties in each comprehensive energy system as a private chain or a alliance chain.
B. And the energy supply party and the energy demand party in each comprehensive energy system make intelligent contracts in respective sidelines, perform energy trading in the system and evaluate the credit degree through trading achievement conditions.
Specifically, each sublink formulates a corresponding energy scheduling or trading strategy according to the characteristics of the comprehensive energy system, energy interaction in each system is independent and complete, and energy trading is performed concurrently without interference.
Each sideline also needs to evaluate the credibility of all nodes in the integrated energy system, and refers to contract execution conditions, voting behaviors and cross-chain transaction enthusiasm of the nodes.
The reputation evaluation value of the cross-chain transaction participant i is calculated by the following steps:
after the node signs the intelligent contract, it will decide the contract performance level. The measure of reputation evaluation of node contract execution is as follows:
wherein, Vi,tRepresenting the reputation evaluation value, V, of contract performance of a cross-chain transaction participant i in the t-th cross-chain transactioni,t-1Representing the reputation evaluation value of the contract performance of a cross-chain transaction participant i in the cross-chain transaction of the t-1 th period, and when the reputation evaluation value is less than 0, the participant cannot participate in the cross-chain transaction, and QiThe power amount signed by the intelligent contract is shown,
the contract credit evaluation values of the suppliers and the users are calculated by the formula.
The voting behavior is divided into benign voting and malignant voting, wherein the benign voting is whether the node verification block meets the system difficulty or not and legal signature is carried out. In selecting privileged nodes for cross-chain consensus, the malignant voting behavior needs to be considered. The measure of reputation evaluation of node voting behavior is as follows:
wherein the content of the first and second substances,
for the voting reputation evaluation of node i within time interval M, M represents the total number of time slots experienced, αnAnd betanRepresenting a malignant vote and a benign vote within n slots, respectively, ξ is the penalty factor.
The aggressiveness of participation in the cross-link transaction also influences the judgment of the node credit degree so as to encourage the node to actively participate in the cross-link transaction while ensuring the performance. The measurement of the cross-chain reputation evaluation is calculated based on the calculation results of the two influence factors, and the calculation process is as follows:
wherein
Is ViAnd
the product of (a) and (b),
is node attribute after time correction, and increases activity loss
The calculation method of (2) is as follows:
where θ represents a penalty factor for not actively participating in the cross-chain transaction, and σ represents the number of time intervals for not participating in the cross-chain transaction consecutively.
C. When the energy supply and demand in a certain integrated energy system are unbalanced or the current situation of energy trading is not satisfied, the energy supplier and the energy demander in the auxiliary chain send the energy trading demand to the main chain through formula nodes in the auxiliary chain according to the self demand.
Specifically, the unbalanced energy supply and demand or the unsatisfactory energy trading current situation refer to that the energy supplier in each integrated energy system cannot reach an energy trading agreement in a certain time slot, and the energy demander in the system cannot purchase the required energy in a certain time slot.
It should be noted that the electric power and the thermal power that can be provided by the energy supplier in a certain time slot cannot be effectively utilized, that is, the energy supplier cannot reach an energy transaction agreement; the energy demander can not purchase the required electric power and thermal energy which can meet the energy demand and have satisfactory price in a certain time slot, namely the energy demander can not purchase the required energy.
It should be noted that the energy transaction demands sent by the energy supplier and the energy demander include energy supply or demand type, upper and lower power limits, and expected transaction price; the energy supply party and the energy demand party regularly send transaction demands to the main chain through the auxiliary chain and the consensus node, and the main chain can disclose data information to the whole comprehensive energy micro-grid group after receiving the energy transaction demands and the transaction requester data regularly sent by the auxiliary chain consensus node.
D. The main chain regularly carries out matching transaction on cross-link energy requirements, and a transaction protocol after matching is successful and an updated node credibility evaluation value are converted into a data block with a timestamp to be broadcast to the whole network by utilizing a hash function.
Specifically, matching transaction is carried out in n time slots, each energy supply and demand party participating in cross-system transaction in a certain time slot uploads the energy transaction requirement of the next time slot, and the main chain carries out matching transaction through the deployment and execution of an intelligent contract; the matching transaction adopts a decentralized distributed transaction mode, and when the transaction requirements of the energy supply party and the energy demand party are matched, transaction coordination can be achieved. In the process of matching transaction, except for considering the energy transaction price and the energy supply demand, the nodes with higher credibility are preferentially matched.
It should be noted that the matching transaction adopts a decentralized distributed transaction mode, such as a two-way auction and a two-way bidding execution strategy, and the specific strategy is negotiated and determined according to all energy supply and demand parties of the comprehensive energy microgrid group.
E. And after matching transaction of each energy supply and demand party in the comprehensive energy microgrid group is completed, executing the achieved energy transaction agreement through block chain cross-chain interoperation, and completing fund settlement.
Specifically, as shown in fig. 3, after matching transactions of each energy supply and demand party in the comprehensive energy microgrid group are completed, the energy supply and demand parties adopt a notary mechanism to perform block chain cross-chain interaction according to an achieved energy transaction protocol; in the cross-chain interactive operation process, the energy source demand party firstly trusts the assets in the cross-chain notary node, the energy source supply party supplies energy to the energy source demand party according to a transaction protocol, the notary node confirms that the assets are not wrong, and the notary node is acknowledged to transfer the assets to the energy source supply party account.
It should be noted that the notary nodes in the cross-link operation are determined by all energy supply and demand parties in the comprehensive energy microgrid group in a recommended election mode, and are periodically re-elected and evaluated according to the execution condition of each notary node to dynamically update the notary nodes.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A comprehensive energy microgrid group high-reputation distributed transaction method based on cross-chain interoperation is characterized by comprising the following steps:
A. constructing a block chain network with a main chain and a plurality of auxiliary chains in parallel, performing high-credit distributed transaction on the comprehensive energy microgrid group through the network, performing energy transaction and credit evaluation on the comprehensive energy system of the region to which each auxiliary chain belongs, and performing credit disclosure and cross-system energy transaction on all participating nodes of the comprehensive energy microgrid group through one main chain;
B. an energy supply party and an energy demand party in each comprehensive energy system make an intelligent contract in respective sidelines, energy trading in the system is carried out, credit evaluation is carried out on all participants of the sidelines by referring to contract execution conditions, voting behaviors and cross-system trading enthusiasm, and the participants with the front credit sequencing serve as consensus nodes of the sidelines to form a main chain;
C. when energy supply and demand imbalance exists in a certain integrated energy system or the current situation of energy transaction is not satisfied, an energy supplier and an energy demander in a sideline send a cross-chain transaction request to a consensus node in the sideline according to the self needs, and the consensus node packs the data of the transaction requester and then sends the cross-chain energy transaction request to a main chain;
D. the main chain regularly carries out matching transaction on cross-chain energy demand, the cross-chain energy demand is sorted from high to low according to the credit degree sorting of energy supply and demand parties, supplier parties with higher credit degrees preferentially carry out matching transaction with demand parties with higher credit degrees, and the successfully matched transaction protocol and the updated node credit degree evaluation value are converted into a data block with a timestamp to be broadcast to the whole network by utilizing a hash function;
E. after matching transaction of each energy supply and demand party in the comprehensive energy microgrid group is completed, the achieved energy transaction agreement is executed through block chain cross-chain interoperation, fund settlement is completed, and the transaction agreement completion condition is recorded by the main chain and broadcasted to the whole network to be used as a consideration factor for evaluating node credibility in the next period.
2. The integrated energy microgrid group height based on cross-chain interoperation of claim 1
A credit degree distributed transaction method is characterized in that a main chain and a plurality of auxiliary chains constructed in the step A have independent states and respective complete systems; and the main chain and the auxiliary chain realize cross-chain information interaction through a consensus node.
3. The comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation of claim 1, characterized in that each sideline in step B makes a corresponding energy scheduling or transaction strategy according to the characteristics of the comprehensive energy system in which the sideline is located, and meanwhile calculates credibility according to a unified credibility evaluation method, and each sideline is executed independently and in parallel.
4. The comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation is characterized in that the consensus nodes in the step B are nodes forming a main chain, and the consensus nodes are participants with credibility assessment values in front of the secondary chain; the calculation of the credibility evaluation value considers contract execution condition, voting behavior and transaction enthusiasm across the comprehensive energy system, and comprises the following steps:
a. considering contract performance of the supplier and the user to evaluate the reputation, the reputation evaluation of the cross-system transaction participant i is given by:
wherein, Vi,tRepresents the reputation evaluation value V of the contract performance of the cross-system transaction participant i in the t-th cross-system transactioni,t-1Representing the credit evaluation value of contract performance of cross-system transaction participant i in the t-1 th cross-system transaction, and when the credit evaluation value is less than 0, the cross-system transaction cannot be participated, QiThe power amount signed by the intelligent contract is shown,
the actual execution electric quantity is represented, and the contract credit evaluation of the supplier and the user is calculated by the formula;
b. in the process of cross-system transaction, the node brings the digital signature into a block, wherein the digital signature is divided into benign voting and malignant voting, the benign voting is that whether the block meets the system difficulty is verified by the node, and legal signature is carried out, the malignant voting is a signature which does not meet the regulation, and the last node packs the data with the signature into the block and broadcasts the data in a block chain network without considering illegal behaviors; if the other nodes verify that the signature is invalid, all the nodes signed on the block are specified to belong to the malignant voting, when selecting the privileged node for cross-chain consensus, the malignant voting behavior needs to be considered, and the measurement of the reputation evaluation of the node voting behavior is as follows:
wherein the content of the first and second substances,
for the voting reputation evaluation of node i within time interval M, M represents the total number of time slots experienced, αnAnd betanRespectively representing malignant voting and benign voting in n time slots, and ξ is a penalty factor;
c. the cross-system reputation evaluation is measured as follows:
Vi m,original＝ViVi vote
Vi m′＝μVi m,original+(1-μ)Vi m-1′
wherein, Vi m,originalIs ViAnd Vi voteProduct of (a), Vi m′Is a time-corrected node attribute, increased activity loss vi mThe calculation method of (2) is as follows:
where θ represents a penalty factor for not actively participating in cross-system transactions and σ represents the number of time intervals for not continuously participating in cross-chain transactions.
5. The method according to claim 1, wherein the unbalanced energy supply and demand in step C means that energy suppliers in each integrated energy system cannot reach an energy trading agreement in a certain time slot, and energy demanders in the system cannot purchase required energy in a certain time slot.
6. The comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation is characterized in that in the step C, the energy transaction requirements comprise energy supply or demand types, power upper and lower limits and expected transaction prices; the data packaged by the consensus node comprises the address of the transaction requester, the account balance and the reputation evaluation result; after the main chain receives the energy trading demand and the trading requester data periodically sent by each sideline consensus node, the main chain can disclose the data information to the whole comprehensive energy microgrid group.
7. The cross-chain interoperation-based high-credibility distributed transaction method for the comprehensive energy microgrid group is characterized in that n time slots are matched and traded in the step D, energy supply and demand parties participating in cross-system transaction in a certain time slot upload energy transaction demands of the next time slot, and a main chain conducts the matching transaction through deployment and execution of an intelligent contract.
8. The comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation of claim 7, characterized in that the matching transaction in step D adopts a decentralized distributed transaction mode, and when the transaction requirements of an energy supplier and an energy demander are matched, transaction coordination can be achieved; in the process of matching transaction, if the energy transaction price and the energy supply demand are not considered, nodes with higher credibility are preferentially matched.
9. The comprehensive energy microgrid group high-credibility distributed transaction method based on cross-chain interoperation of claim 1, wherein the block chain cross-chain interoperation in the step E adopts a notary mechanism and is performed according to the following steps:
a. an energy source demand party firstly trusts assets to cross-chain notary nodes;
b. the energy supply party supplies energy to the energy demand party according to the transaction protocol;
c. the notary node confirms that no error exists;
d. the certified node transfers the asset to the energy provider account.
10. The comprehensive energy microgrid group high-reputation distributed transaction method based on cross-chain interoperation of claim 9, wherein the notary nodes in step E are determined by all energy supply and demand parties in the comprehensive energy microgrid group in a recommended election manner, and are periodically re-elected and evaluated according to execution conditions of each notary node to dynamically update the notary nodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609196.4A CN113327112A (en) | 2021-06-01 | 2021-06-01 | Cross-chain interoperation-based high-credibility distributed transaction method for comprehensive energy microgrid group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609196.4A CN113327112A (en) | 2021-06-01 | 2021-06-01 | Cross-chain interoperation-based high-credibility distributed transaction method for comprehensive energy microgrid group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113327112A true CN113327112A (en) | 2021-08-31 |
Family
ID=77423203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110609196.4A Pending CN113327112A (en) | 2021-06-01 | 2021-06-01 | Cross-chain interoperation-based high-credibility distributed transaction method for comprehensive energy microgrid group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113327112A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114629654A (en) * | 2022-03-09 | 2022-06-14 | 东北大学 | Trust management mechanism-oriented double-chain block chain and consensus method thereof |
| CN116582243A (en) * | 2023-04-20 | 2023-08-11 | 中国人民解放军战略支援部队信息工程大学 | Hierarchical cross-chain consensus method for blockchain system based on forest topology structure |
| CN117314605A (en) * | 2023-11-29 | 2023-12-29 | 微神马科技（大连）有限公司 | Internet financial business process management method and system |
| CN116582243B (en) * | 2023-04-20 | 2024-06-07 | 中国人民解放军战略支援部队信息工程大学 | Hierarchical cross-chain consensus method for blockchain system based on forest topology structure |
-
2021
- 2021-06-01 CN CN202110609196.4A patent/CN113327112A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114629654A (en) * | 2022-03-09 | 2022-06-14 | 东北大学 | Trust management mechanism-oriented double-chain block chain and consensus method thereof |
| CN114629654B (en) * | 2022-03-09 | 2024-05-24 | 东北大学 | Double-chain block chain oriented to trust management mechanism and consensus method thereof |
| CN116582243A (en) * | 2023-04-20 | 2023-08-11 | 中国人民解放军战略支援部队信息工程大学 | Hierarchical cross-chain consensus method for blockchain system based on forest topology structure |
| CN116582243B (en) * | 2023-04-20 | 2024-06-07 | 中国人民解放军战略支援部队信息工程大学 | Hierarchical cross-chain consensus method for blockchain system based on forest topology structure |
| CN117314605A (en) * | 2023-11-29 | 2023-12-29 | 微神马科技（大连）有限公司 | Internet financial business process management method and system |
| CN117314605B (en) * | 2023-11-29 | 2024-02-02 | 微神马科技（大连）有限公司 | Internet financial business process management method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112434343B (en) | Virtual power plant safety scheduling and trading method based on dual block chain technology | |
| CN108961018A (en) | Micro-capacitance sensor electricity market decentralization mechanism of exchange based on intelligent contract | |
| WO2022007356A1 (en) | Power market transaction and evaluation method based on weak centralized consortium blockchain | |
| CN113327112A (en) | Cross-chain interoperation-based high-credibility distributed transaction method for comprehensive energy microgrid group | |
| Wang et al. | Adaptive bidding strategy for real-time energy management in multi-energy market enhanced by blockchain | |
| Wang et al. | Security constrained decentralized peer-to-peer transactive energy trading in distribution systems | |
| Jia et al. | Joint operation and transaction mode of rural multi microgrid and distribution network | |
| CN111461890A (en) | Distributed power generation transaction system and method based on multiple prediction and block chain technologies | |
| CN111178682A (en) | Control method of demand response management platform based on block chain technology | |
| CN114663091B (en) | Power transaction method based on multi-chain block chain architecture | |
| Chen et al. | Operating reserves provision from residential users through load aggregators in smart grid: A game theoretic approach | |
| CN111078791A (en) | Integrated energy market trading architecture and method based on block chain | |
| Huang et al. | Strategic storage operation in wholesale electricity markets: A networked cournot game analysis | |
| CN114358929A (en) | Distributed energy centralized transaction method and system based on block chain | |
| CN112990568A (en) | Block chain consensus mechanism construction method under comprehensive energy intelligent transaction scene | |
| CN113222690A (en) | Block chain consensus method applied to regional energy Internet | |
| CN112785428A (en) | Electric energy transaction method based on block chain technology | |
| CN115907575A (en) | ACP and carbon-green certificate transaction-based industrial comprehensive energy system cooperative operation method | |
| Song et al. | Reliable reputation review and secure energy transaction of microgrid community based on hybrid blockchain | |
| Menniti et al. | A local market model involving prosumers taking into account distribution network congestions in Smart Cities | |
| Hou et al. | Privacy-preserving energy trading using blockchain and zero knowledge proof | |
| Elliott et al. | Peer-to-peer energy trading and grid impact studies in smart communities | |
| CN116452334B (en) | Multi-carbon transaction method and system for industrial park based on blockchain | |
| CN112767146A (en) | Community distributed energy transaction mechanism based on block chain technology and double auction | |
| CN113763164A (en) | Distributed producer and consumer energy sharing method based on point-to-point platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |