CN114119278A - Multi-station fusion power resource management system based on block chain technology - Google Patents
Multi-station fusion power resource management system based on block chain technology Download PDFInfo
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Abstract
The invention discloses a multi-station fusion power resource management system based on a block chain technology, which comprises the following steps: the method comprises the following steps: data preparation, including initial data of power generation requests of main users in the station and main distributed energy generation bodies; step two: typical software design of a multi-station convergence service subsystem comprises the design of a block chain subsystem and a background interaction subsystem based on Fabric; step three: according to a typical service scene research design of multi-station fusion, a block chain-based multi-station fusion system privacy protection module and a multi-station fusion green electric tracing module are designed; step four: and (5) system deployment and implementation.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a multi-station fusion electric power resource management system design based on a Fabric block chain technology.
Background
With the improvement of new capital construction to the national strategy level, a national power grid company releases ten key construction tasks of digital new capital construction in 6 months in 2020, focuses on the fields of big data, industrial internet, 5G base station construction, new energy automobile charging piles, artificial intelligence and the like, and simultaneously signs a strategic cooperation agreement of digital new capital construction with cooperation partners of Baidu, Ali, Tengxin, Huawei and the like. Under the background, a 'multi-station fusion' scene and an operation mode are constructed by using densely distributed power grid substation resources, and due to the advantages of high land utilization rate, resource intensification, high speed, benefit and the like, preliminary exploration and application [ 1-2 ] are provided, an operation data center station, a 5G base station, a Beidou foundation enhancement station and the like are constructed by using existing substation site resources, a typical application scene [3] of comprehensive energy services is developed, and the scene has a significant effect on supporting the development of intelligent power grid services of a power grid company and promoting digital new infrastructure.
The current research on the "multi-station fusion" model is roughly divided into three categories. Firstly, the operation mode of the system is researched, and the feasibility and the application scene of 'multi-station fusion' are analyzed. For example, a construction mode and a design system architecture [4] of multi-station fusion are introduced, a typical operation mode [5] of each functional station is analyzed, and a typical application scene and a business mode [6] are designed by relying on an edge data center in the multi-station fusion. And secondly, resource allocation in the research station is carried out, and optimized scheduling or coordinated operation strategy analysis is carried out. The method comprises the steps of researching an edge data center optimization operation mode [7] based on a multi-station fusion scene, day-ahead optimization operation [8] of a four-station fusion system considering a carbon transaction mechanism, optimally designing capacity and operation strategies [ 9-10 ] of an energy storage power station, providing an autonomous peak regulation control strategy [11] of a fusion power supply area energy storage station, and the like. And thirdly, researching a benefit distribution mechanism in the fusion station. For example, a double-few-head profit allocation mechanism [12] of a power grid enterprise and a network operator is researched based on a Stackelberg model, and a game [13] in charging interaction is researched aiming at interaction of an electric vehicle and a charging station.
Disclosure of Invention
The design of a multi-station fusion power resource management system based on the Fabric blockchain technology is researched, and a solution is provided for the problems of energy storage and charge-discharge data storage, trend tracking in a fusion station and among stations and resource mutual-aid sharing transaction under the multi-station fusion. Because the Fabric blockchain has the outstanding advantages of member admission control mechanism, distributed account book complex query, plug-in modular architecture and privacy sensitive data protection, aiming at key business requirements in 'multi-station fusion', a transaction platform architecture containing multiple transaction main bodies participating in mutual-aid sharing is constructed based on the Fabric blockchain technology, and a background interaction subsystem, a blockchain subsystem and a green electricity tracing core module are designed, so that the problems of difficult business fusion of main bodies in a station, opaque transaction information, distrust points of the transaction main bodies and the like are solved. The purpose of the invention can be realized by the following technical scheme:
a multi-station fusion power resource management system based on a block chain technology comprises the following steps:
the method comprises the following steps: data preparation, including initial data of power generation requests of main users in the station and main distributed energy generation bodies;
step two: typical software design of a multi-station convergence service subsystem comprises the design of a block chain subsystem and a background interaction subsystem based on Fabric;
step three: according to a typical service scene research design of multi-station fusion, a block chain-based multi-station fusion system privacy protection module and a multi-station fusion green electric tracing module are designed;
step four: and (5) system deployment and implementation.
A multi-station fusion power resource management system based on block chain technology, the second step
The method specifically comprises the following steps:
s1, the deployment of the background interaction subsystem is composed of the following four parts:
(1) an application layer: visualization services may be provided to the transaction subject.
(2) And a service logic layer: and the bridge is used for connecting the application layer and the data layer.
(3) A data access layer: data storage is realized, and the security of the source tracing main account and transaction is ensured through technologies such as asymmetric public and private key data encryption and time stamp.
A user of an in-station transaction subject can enter the system through a visual interface of the application layer, acquire transaction related information and send a related service request to the module control layer; the control layer receives the service request, judges and sends the judgment and service request information to the service logic layer; the service logic layer receives the service request, then processes the service, and simultaneously forwards the service request to the block chain service subsystem, and the processed data is sent to the data access layer for data storage operation; and finally, the application layer displays the fed back transaction information in a form of a Web page.
S2 the blockchain subsystem architecture includes 1 CA (Certificate Authority), 1 Orderer node and 5 Peer nodes. The Peer nodes are respectively a charging and exchanging station, an energy storage station, a transformer substation, a photovoltaic power station and the like, the Orderer node and the CA are deployed on a multi-station fusion transaction management center, the CA issues a certificate to a coalition chain participant, and the certificate format adopts the X.509 standard. The Orderer node is responsible for the consensus of the transactions, ensuring that the order of all transactions in the network is consistent.
After the Fabric blockchain network deployment is realized, the background interaction subsystem calls a preset service interface to realize the deployment of the in-station main body transaction contracts, the multi-station fusion transaction main bodies respectively install and instantiate corresponding intelligent contracts, and the last blockchain account book records the transaction information which is sequenced through consensus.
S3 Intelligent contract design of multi-station fusion trading system
The intelligent contracts of the block chain subsystem of the system are written by using Go language, and the intelligent contracts of all nodes run in independent Docker containers. The system intelligent contract designs and stores the related data information of the multi-station fusion transaction and the specific business rules of the multi-station fusion transaction. The multi-station fusion main body node sends the transaction request to a block chain intelligent contract, and the intelligent contract processes related transaction information and returns a transaction result; the intelligent contract also records the processed transaction information in the block chain account book so as to be used for transaction information inquiry and update of a transaction main body user, and a single cycle structure is formed.
The intelligent contract of the block chain service subsystem provides an interface for transaction information processing and main body transaction inquiry service, and the intelligent contract is designed by the system according to the following principles:
(1) improving system efficiency
The block chain service subsystem can carry out system calculation and internal size distribution by judging the transaction amount and the service type of the transaction main body, thereby not occupying excessive system resources.
(2) Principle of stateless
The intelligent contract does not store transaction information, and the transaction information is finally packaged and stored in the block chain ledger book, so that the stateless design of contract execution is realized.
(3) Strict business logic
The intelligent contract design can be deployed on the nodes of the block chain subsystem after repeated tests according to the service requirements strictly, so that system loopholes are avoided, and benefits of related transaction main bodies are damaged.
A multi-station fusion power resource management system based on a block chain technology comprises the following steps:
a1: block chain-based multi-station fusion system privacy protection technology
The multi-station fusion privacy protection system mainly comprises the following four parts: user management, data storage, data sharing, and authorized access.
A1.1: user management: the module is responsible for identity verification and identification and transaction subject information management of a verification organization, a data owner and a data user, and creates a business subject account containing an identity and a public and private key, wherein the identity is used for associating the identity information with verification transaction authority, and a transaction subject uses the public and private key to perform transaction signature.
A1.2: data storage: the data storage mainly stores power data related to a multi-station fusion main body, and safe storage of data in the station is achieved.
A1.3: data sharing: the data sharing is mainly divided into four stages of transaction data retrieval by a data user, sharing application from the data user to the data owner, data owning processing request and application processing by a checking organization.
A1.4: and (3) access authorization: according to the service requirements among the main bodies in the station, the data owner can exercise the access authority for applying the data, and meanwhile, an access authorization module is designed based on an intelligent contract of multi-station fusion transaction. In order to limit that only users with access rights are allowed to view data storage addresses and keys, firstly, the storage addresses and the keys are operated through an SHA-256 algorithm to generate a hash value ciphertext, and only the users with the access rights are limited to display the plaintext through an intelligent contract, and the other users display the ciphertext.
A2: block chain-based multi-station fusion green electricity tracing technology
The green electricity tracing design based on the Fabric blockchain is provided, electricity generation and utilization data of a main body in a station are collected and signed and then uploaded to a blockchain service subsystem, a background interaction subsystem obtains the collected electricity generation and utilization information of a transaction main body, and a power generation curve and a load curve drawn by the system are presented at a user client; and obtaining the corresponding green electricity transaction information of the transaction main body in a preset time period through a green electricity tracing algorithm. The system can acquire green electricity data in the station through the process, such as green electricity transaction proportion, green electricity generation and electricity consumption and other data. Moreover, the scheme is carried out based on the block chain and has the characteristics of tamper resistance and traceability, so that the technical scheme can be used for the multi-station fusion green electric traceability module.
A multi-station fusion power resource management system based on a block chain technology comprises the following steps:
the multi-station fusion power resource management system mainly comprises three basic functions of information management, block chain transaction information query and renewable energy source tracing query. The multi-station fusion power resource management platform based on the block chain can well improve the trust and service circulation among multi-station fusion main bodies, the block chain decentralized characteristic and the transaction information chain storage structure can prevent transaction information of the main bodies in the station from being tampered, and renewable energy can be traced through the block chain subsystem.
The invention has the beneficial effects that:
1. the invention is based on the design of a multi-station fusion power resource management system of the Fabric blockchain technology, and is written in advance according to the code logic in an intelligent contract and stored with power generation data into a Mercker tree of a blockchain, and each node can check the source code of the intelligent contract, thereby ensuring the transparency of the rule formulated by the intelligent contract and the non-tamper property of the data;
2. the multi-station fusion power resource management platform based on the block chain can well improve the trust and service circulation among multi-station fusion main bodies, the decentralized characteristic of the block chain and the transaction information chain type storage structure can avoid the transaction information of the main bodies in the station from being tampered, and renewable energy sources can be traced through the block chain subsystem;
3. the invention utilizes the block chain technology to build a renewable energy power tracking platform and writes an intelligent contract to realize the automatic execution of the whole transaction process.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block chain-based overall scheme design diagram of a multi-station converged power resource management system according to the present invention;
FIG. 2 is a block chain based multi-station converged power resource management system subsystem deployment diagram of the present invention;
FIG. 3 is a diagram of a background interaction subsystem deployment of the present invention;
FIG. 4 is a diagram of the results of the request distribution function execution of the present invention;
FIG. 5 is a block chain subsystem deployment diagram of the present invention;
FIG. 6 is a diagram of the intelligent contract execution logic of the present invention;
FIG. 7 is a flow diagram of an intelligent contract service implementation of the present invention;
FIG. 8 is a privacy protection system layout of the present invention;
FIG. 9 is a green power tracing design flow diagram of the present invention;
FIG. 10 is a node information management interface of the present invention;
FIG. 11 is a blockchain transaction information query interface of the present invention;
fig. 12 is a renewable energy source tracing query interface according to the present invention.
Fig. 13 is an exemplary device of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A multi-station converged power resource management system based on block chain technology, as shown in fig. 1, includes the following steps:
the method comprises the following steps: data preparation, including initial data of power generation requests of main users in the station and main distributed energy generation bodies;
step two: typical software design of a multi-station convergence service subsystem comprises the design of a block chain subsystem and a background interaction subsystem based on Fabric;
step three: according to a typical service scene research design of multi-station fusion, a block chain-based multi-station fusion system privacy protection module and a multi-station fusion green electric tracing module are designed;
step four: and (5) system deployment and implementation.
It should be noted that, in the embodiment of the present invention, each included module is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
Fig. 13 is a schematic structural diagram of a design device of a multi-station converged power resource management system based on Fabric blockchain technology according to an embodiment of the present invention, where the embodiment of the present invention provides a service for implementing the matching and clearing calculation method according to the above-mentioned embodiment of the present invention, and a matching and clearing calculation apparatus according to the above-mentioned embodiment may be configured, and fig. 13 illustrates a block diagram of an exemplary device 12 suitable for implementing the embodiment of the present invention, where the device 12 shown in fig. 12 is merely an example, and should not bring any limitation to the functions and the application scope of the embodiment of the present invention.
As shown in FIG. 13, device 12 is embodied in the form of a general purpose computing device. The components of device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. Device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 9, and commonly referred to as a "hard drive"). Although not shown in FIG. 13, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
The processing unit 16 executes various functional applications and data processing by executing programs stored in the system memory 28, for example, to implement the matching calculation method provided by the embodiment of the present invention.
Through the equipment, the problem of low calculation efficiency of the power transaction is solved, and a more efficient calculation tool is provided for perception of real-time situation of the power transaction and planning of resources, so that the utilization efficiency and the income of the resources are maximized.
Embodiments of the present invention further provide a storage medium, which is a storage medium containing computer-executable instructions, when executed by a computer processor, for performing a method for matching a clearance, the method including:
and acquiring the measured state parameters of the observed power distribution network, wherein the measured state parameters comprise distributed power supply access and loads of all the nodes.
And inputting the measured state parameters into a matching and clearing calculation model which is trained in real time to obtain the transaction electric quantity of each transaction main body.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The storage medium containing the computer-executable instructions provided by the embodiments of the present invention is not limited to the above method operations, and may also perform related operations in the matching calculation method provided by any embodiment of the present invention.
Example 1
In order to verify the feasibility of the design of the multi-station fusion power resource management system based on the block chain technology, the embodiment deploys the intelligent contract designed in the distributed energy power tracking process on an ethernet as an experimental platform. The scene setting takes multi-station integration of 5 nodes as an example, as shown in fig. 1, a main body in a station integrates functions of power transformation, energy storage, a data center, distributed photovoltaic power generation, electric vehicle charging and battery replacement and the like, a user can obtain permission to enter a background interaction subsystem after verification through a firewall, and meanwhile, an administrator in the background interaction subsystem can audit operation qualification of the user, so that corresponding services are selected. And the block chain service subsystem carries out uplink operation on the multi-station fused intra-station main body transaction information and the photovoltaic power generation consumption condition. Due to the unique characteristic of the block chain and the convenience of multi-station fusion resource integration, the system can realize the transaction information privacy protection and green power source tracing of a multi-station fusion main body. .
The distributed energy power generation main body and the in-station main body users submit power generation and utilization requests to the blockchain platform through an interface provided by a request issuing function in the intelligent contract, and the simulation result on Remix is shown in fig. 4. FIG. 4 is a table of complete information returned by the blockchain platform, indicating transaction hash values, transaction commit status, gas values of executing contracts, input and output parameters of contracts, etc. during execution of the contracts.
The study is carried out on the electric energy composition of the discharged electric power of the main body user and the stored energy per hour in a 24-hour day period and the stored energy discharging period. And if the photovoltaic output and the energy storage output are smaller than the total basic load of the user, electricity is purchased according to the electricity price of the power grid company, and the electricity consumption behavior of the user is not influenced. The output and load prediction of the distributed energy power generation main body and the in-station main body users is carried out, and the photovoltaic output time period is concentrated on 10: 00-20: 00 for a total of 10 hours. Dividing according to the load electricity utilization condition of a certain city, 08: 00-15: 00 and 18: 00-21: and 00 is the load peak time period, the stored energy is discharged, and the rest time periods are the load underestimation time periods, and the stored energy is charged.
The safety check function checks according to the power generation and utilization information submitted by the user, after the safety check is passed, the renewable energy electric power tracking function calculates the hourly electric energy composition of the main user in the station, stores the hourly electric energy composition in an array corresponding to the user address in a mapping mode, and records the hourly electric energy composition by using events: the address, the electricity utilization time and the electric energy of the user form an array.
And when the load is in a low valley, the energy is stored for charging. At 08: 00 and 22: after 00 there is no photovoltaic output, the charging source of the stored energy is mainly from the electricity in the main network, in 16: 00-18: 00 has photovoltaic output, and part of the electricity in the stored energy is renewable energy power. Main components of discharged power stored in the peak period of load, 08: before 00, all electric energy in the stored energy comes from a power grid, 08: part of the electric energy discharged after 00 without renewable energy power; at 16: 00-18: the photovoltaic output part exists in the energy storage between 00 hours, and the renewable energy components exist in the discharging components of the energy storage during the peak time at night.
And when the specified electricity generation time is reached, the distributed energy power generation main body and the in-station main body users generate electricity, and the intelligent electric meter transmits electricity generation and utilization data to the intelligent contract in real time through the interface. And calculating the consumption of the subject user in the station by using the consumption settlement function. The energy storage part in the electricity utilization composition of the main body user in the station needs to be further split so as to obtain the actual consumption of the main body user in the station.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (4)
1. A multi-station fusion power resource management system based on a block chain technology comprises the following steps:
the method comprises the following steps: data preparation, including initial data of power generation requests of main users in the station and main distributed energy generation bodies;
step two: typical software design of a multi-station convergence service subsystem comprises the design of a block chain subsystem and a background interaction subsystem based on Fabric;
step three: according to a typical service scene research design of multi-station fusion, a block chain-based multi-station fusion system privacy protection module and a multi-station fusion green electric tracing module are designed;
step four: and (5) system deployment and implementation.
2. The system according to claim 1, wherein the second step comprises:
s1, the deployment of the background interaction subsystem is composed of the following four parts:
(1) an application layer: visual service can be provided for the transaction subject;
(2) and a service logic layer: a bridge connecting the application layer and the data layer;
(3) a data access layer: data storage is realized, and the security of the source tracing main account and transaction is ensured through technologies such as asymmetric public and private key data encryption, time stamp and the like;
a user of an in-station transaction subject can enter the system through a visual interface of the application layer, acquire transaction related information and send a related service request to the module control layer; the control layer receives the service request, judges and sends the judgment and service request information to the service logic layer; the service logic layer receives the service request, then processes the service, and simultaneously forwards the service request to the block chain service subsystem, and the processed data is sent to the data access layer for data storage operation; finally, the application layer displays the fed back transaction information in a form of a Web page;
s2 the blockchain subsystem architecture includes 1 CA (Certificate Authority), 1 Orderer node and 5 Peer nodes. The Peer nodes are respectively a charging and exchanging station, an energy storage station, a transformer substation, a photovoltaic power station and the like, the Orderer node and the CA are deployed on a multi-station fusion transaction management center, the CA issues a certificate to a coalition chain participant, and the certificate format adopts the X.509 standard. The Orderer node is responsible for the consensus of the transactions, and ensures that all transactions in the network are consistent in sequence;
after the Fabric blockchain network deployment is realized, the background interaction subsystem calls a preset service interface to realize the deployment of the in-station main body transaction contracts, the multi-station fusion transaction main bodies respectively install and instantiate corresponding intelligent contracts, and the last blockchain account book records the transaction information which is sequenced through consensus.
S3 Intelligent contract of multi-station fusion transaction system
The intelligent contracts of the block chain subsystem of the system are written by using Go language, and the intelligent contracts of all nodes run in independent Docker containers. The system intelligent contract designs and stores the related data information of the multi-station fusion transaction and the specific business rules of the multi-station fusion transaction. The multi-station fusion main body node sends the transaction request to a block chain intelligent contract, and the intelligent contract processes related transaction information and returns a transaction result; the intelligent contract also records the processed transaction information in a block chain account book so as to be used by a transaction main body user for inquiring and updating the transaction information to form a single cycle structure;
the intelligent contract of the block chain service subsystem provides an interface for transaction information processing and main body transaction inquiry service, and the intelligent contract is designed by the system according to the following principles:
(1) improving system efficiency
The block chain service subsystem can carry out system calculation and internal size distribution by judging the transaction amount and the service type of the transaction main body, so that excessive system resources are not occupied;
(2) principle of stateless
The intelligent contract does not store transaction information, and the transaction information is finally packaged and stored in a block chain account book, so that the stateless design of contract execution is realized;
(3) strict business logic
The intelligent contract design can be deployed on the nodes of the block chain subsystem after repeated tests according to the service requirements strictly, so that system loopholes are avoided, and benefits of related transaction main bodies are damaged.
3. The system according to claim 1, wherein the third step comprises:
a1: multi-station fusion system privacy protection based on block chain
The multi-station fusion privacy protection system mainly comprises the following four parts: user management, data storage, data sharing and authorized access;
a1.1: user management: the module is responsible for identity verification identification and transaction subject information management of a verification organization, a data owner and a data user, and establishes a business subject account comprising an identity and a public and private key, wherein the identity is used for associating the identity information with verification transaction authority, and a transaction subject uses the public and private key to perform transaction signature;
a1.2: data storage: the data storage mainly stores power data related to a multi-station fusion main body, and safe storage of data in the station is realized;
a1.3: data sharing: the part realizes data sharing between a data owner and a data user, and the data sharing is mainly divided into four stages of data user searching transaction data, data user applying sharing to the data owner, data owner processing request and auditing mechanism processing application;
a1.4: and (3) access authorization: according to the service requirements among the main bodies in the station, the data owner can exercise the access authority for applying the data, and meanwhile, an access authorization module is designed based on an intelligent contract of multi-station fusion transaction.
In order to limit that only users with access rights are allowed to view data storage addresses and secret keys, firstly, the storage addresses and the secret keys are operated through an SHA-256 algorithm to generate a hash value ciphertext, only the users with the access rights are limited to display a plaintext through an intelligent contract, and the other users display the ciphertext;
a2: block chain-based multi-station fusion green electricity tracing source
The method comprises the steps that based on green electricity traceability design of a Fabric blockchain, electricity generation and utilization data of a main body in a station are collected and signed and then uploaded to a blockchain service subsystem, a background interaction subsystem can obtain electricity generation and utilization information of a transaction main body after collection, and a power generation curve and a load curve drawn by the system are presented at a user client;
and obtaining the corresponding green electricity transaction information of the transaction main body in a preset time period through a green electricity tracing algorithm. The system can acquire green electricity data in the station through the process.
4. The system according to claim 1, wherein the fourth step comprises:
the multi-station fusion power resource management system mainly comprises three basic functions of information management, block chain transaction information query and renewable energy source tracing query.
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