CN117060591A - Digital power grid system based on digital twin - Google Patents
Digital power grid system based on digital twin Download PDFInfo
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- CN117060591A CN117060591A CN202311079621.9A CN202311079621A CN117060591A CN 117060591 A CN117060591 A CN 117060591A CN 202311079621 A CN202311079621 A CN 202311079621A CN 117060591 A CN117060591 A CN 117060591A
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- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000007726 management method Methods 0.000 claims abstract description 21
- 238000013507 mapping Methods 0.000 claims abstract description 16
- 238000007405 data analysis Methods 0.000 claims abstract description 10
- 238000013500 data storage Methods 0.000 claims abstract description 7
- 238000013523 data management Methods 0.000 claims abstract description 4
- 238000005457 optimization Methods 0.000 claims description 12
- 238000013480 data collection Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000013501 data transformation Methods 0.000 claims description 3
- 238000013439 planning Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000012800 visualization Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The application relates to the technical field of digital power grids, and discloses a digital power grid system based on digital twinning, which comprises a twinning network layer, a network application layer and a physical network layer, wherein the twinning network layer comprises a data center, a service mapping model and a twinning management system, the physical network layer comprises an electric power informatization system, a power grid communication network, a digital transformer substation and an intelligent power grid terminal, the power grid communication network comprises power grid communication equipment, the data center comprises a data acquisition module, a data storage module, a data analysis module and a data management module, compared with the traditional digital technology, the digital twinning emphasizes information physical fusion data in addition to information data and physical data, and realizes real-time interaction, consistency and synchronism of an information space and a physical space through fusion of the information physical data, so that more real-time and accurate application service is provided, and the energy efficiency ratio of power grid management is further improved.
Description
Technical Field
The application relates to the technical field of digital power grids, in particular to a digital power grid system based on digital twin.
Background
Digital twinning (Digital Twins) is a simulation process integrating multiple disciplines, multiple physical quantities, multiple scales and multiple probabilities by fully utilizing data such as a physical model, sensor updating, operation history and the like, and mapping is completed in a virtual space, so that a full life cycle process of corresponding entity equipment is reflected. Digital twinning is a digital mapping system that can be considered as one or more important, mutually dependent equipment systems. In the prior art, a proposer of a digital twin concept model proposes a three-dimensional structure of the proposer in 2011, wherein the three-dimensional structure comprises a physical model of a physical space and a virtual model of a virtual space, and data and information interaction is performed between the physical model and the virtual model. The three-dimensional structure model is a digital twin basic model, and the building core is a virtual model and data connection between a physical space and the virtual space. The key problem in deployment is that inheritance and connection between the two are not realized, but a virtual model is taken as a reference, and a person takes the role of connection between the two. In the technical scheme, a learner proposes to realize the connection function between the two by constructing a unified repository (UnifiedRepository, UR). Thereafter, the learner expands the digital twin three-dimensional structure to a five-dimensional structural model, including physical entities, virtual models, service systems, twin data, and connections. In addition, in terms of the construction flow of the digital twin, a learner proposes to use an automated modeling language (AutomatinML) to model data transmission between different systems connected with the digital twin, and to implement mapping of physical entities in a digital space.
In the prior art, the development of the power system improves the operation complexity, further causes the mode professional work task to be pushed to the dispatching production line, and the power grid simulation analysis demand based on the online data is more and more strong.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a digital power grid system based on digital twinning, which solves the problems in the background art.
In order to solve the technical problems, according to one aspect of the application, a digital power grid system based on digital twinning comprises a twinning network layer, a network application layer and a physical network layer, wherein the twinning network layer comprises a data center, a service mapping model and a twinning management system, the physical network layer comprises a power informatization system, a power grid communication network, a digital transformer substation and a smart power grid terminal, the power grid communication network comprises power grid communication equipment, the data center comprises a data acquisition module, a data storage module, a data analysis module and a data management module, and the twinning management system comprises a model management module, a safety management unit and a topology management unit.
Further, the network application layer is used for managing network, network visualization, network maintenance and optimization.
Further, the service mapping model comprises a network element model package and a topology model, wherein the topology model is as follows: setting the power grid communication equipment, the power monitoring equipment and the digital transformer substation in a power grid as power equipment nodes, selecting one power equipment node as a father node, searching a junction point to which an endpoint of the father node belongs, judging whether the junction point contains other endpoints, and if so, then: searching the corresponding power equipment nodes according to the other nodes, taking the searched power equipment nodes as child nodes of the father node, and circularly executing the step of searching the junction point by taking the child nodes as new father nodes; if not, constructing a power grid topology model according to the father node and the child node.
Further, the network element model package comprises a network element model description file, a network element model package description file and an importing behavior description file of the network element model package.
Furthermore, the service mapping model performs planning, construction, maintenance, optimization and operation on the twin network, and performs iterative optimization through the network element model.
Furthermore, the electric power automation system, the digital transformer substation and the intelligent power grid terminal realize electric power informatization; the power grid communication network is used for realizing data transmission and communication between power grid equipment; constructing a data center, realizing collection, storage and analysis of power grid data, and providing support for power grid operation; advanced power equipment, a power information system, a power grid communication network and a data center are built to support the operation and development of the digital power grid.
Furthermore, the data center collects information of the power grid communication equipment and the power monitoring equipment through the data collection module, the data collection module can mirror image copy the collected data of the data center in real time, the mirror image copied data are sent to the data storage module for storage, meanwhile, the mirror image copied data are sent to the data analysis module, and the data analysis module is used for carrying out data processing on operation data and comprises the following components: data cleaning, data protocol, data standardization and data transformation, and finally, the data are transmitted to a service mapping module for optimization after being tidied by a management module.
The digital power grid system based on digital twin has the beneficial effects that:
compared with the traditional digitizing technology, the digital twinning emphasizes the information physical fusion data in addition to the information data and the physical data, and realizes the real-time interaction, consistency and synchronism of the information space and the physical space through the fusion of the information physical data, thereby providing more real-time and accurate application service and further improving the energy efficiency ratio of power grid management.
Drawings
The application will be described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a schematic structural view of the present application.
Detailed Description
The application will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
As shown in fig. 1, according to one aspect of the present application, there is provided a digital power grid system based on digital twinning, which includes a twinning network layer, a network application layer, and a physical network layer, wherein the twinning network layer includes a data center, a service mapping model, and a twinning management system, the physical network layer includes a power informatization system, a power grid communication network, a digital transformer substation, and a smart power grid terminal, the power grid communication network includes a power grid communication device, the data center includes a data acquisition module, a data storage module, a data analysis module, and a data management module, and the twinning management system includes a model management module, a security management unit, and a topology management unit.
In this embodiment, the network application layer is used to manage the network, network visualization, network maintenance and optimization.
In this embodiment, the service mapping model includes a network element model package and a topology model, and the topology model: all the power grid communication equipment, the power monitoring equipment and the digital transformer substation in the power grid are set as power equipment nodes, one power equipment node is selected as a father node, the node point of the father node is searched, whether the node point contains other end points is judged, and if so, the node point is judged to be the other end points: searching the power equipment nodes corresponding to the other nodes according to the other nodes, taking the searched power equipment nodes as child nodes of the father node, and circularly executing the step of searching the junction node by taking the child nodes as new father nodes; if not, constructing a power grid topology model according to the father node and the child node.
In this embodiment, the network element model package includes a network element model description file, a network element model package description file, and an import behavior description file of the network element model package.
In this embodiment, the service mapping model performs planning, construction, maintenance, optimization, and operation on the twin network, and performs iterative optimization through the network element model.
In the embodiment, the power automation system, the digital transformer substation and the intelligent power grid terminal realize power informatization; the power grid communication network is used for realizing data transmission and communication between power grid equipment; constructing a data center, realizing collection, storage and analysis of power grid data, and providing support for power grid operation; advanced power equipment, a power information system, a power grid communication network and a data center are built to support the operation and development of the digital power grid.
In this embodiment, the data center collects information of the power grid communication device and the power monitoring device through the data collection module, the data collection module can mirror image copy the collected data of the data center in real time, the mirror image copied data is sent to the data storage module for storage, meanwhile, the mirror image copied data is sent to the data analysis module, and the data analysis module is used for data processing on operation data and includes: data cleaning, data protocol, data standardization and data transformation, and finally, the data are transmitted to a service mapping module for optimization after being tidied by a management module.
The working principle of the device is as follows: various data in the power grid are collected and processed through the data center, a digital twin model of the power grid is established based on the collected data, simulation operation test of the power grid is conducted through the digital twin model, various problems and problems in the system are found out, the power grid is optimized and adjusted according to the test result, and the operation mode and strategy of the power grid are improved.
Of course, the above description is not intended to limit the application, but rather the application is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the application will be within the scope of the application.
Claims (7)
1. The utility model provides a digital power grid system based on digital twin, includes twin network layer, network application layer, physical network layer, its characterized in that: the system comprises a physical network layer and a physical network layer, wherein the physical network layer comprises a data center, a service mapping model and a twin management system, the physical network layer comprises a power informatization system, a power grid communication network, a digital transformer substation and a smart power grid terminal, the power grid communication network comprises power grid communication equipment, the data center comprises a data acquisition module, a data storage module, a data analysis module and a data management module, and the twin management system comprises a model management module, a safety management unit and a topology management unit.
2. A digital twin based digital power network system according to claim 1, wherein: the network application layer is used for managing network, network visualization, network maintenance and optimization.
3. A digital twin based digital power network system according to claim 2, wherein: the service mapping model comprises a network element model package and a topology model, wherein the topology model is as follows: setting the power grid communication equipment, the power monitoring equipment and the digital transformer substation in a power grid as power equipment nodes, selecting one power equipment node as a father node, searching a junction point to which an endpoint of the father node belongs, judging whether the junction point contains other endpoints, and if so, then: searching the corresponding power equipment nodes according to the other nodes, taking the searched power equipment nodes as child nodes of the father node, and circularly executing the step of searching the junction point by taking the child nodes as new father nodes; if not, constructing a power grid topology model according to the father node and the child node.
4. A digital twin based digital power network system according to claim 3, characterised in that: the network element model package comprises a network element model description file, a network element model package description file and an importing behavior description file of the network element model package.
5. A digital twin based digital power grid system according to claim 4, wherein: the service mapping model performs planning, construction, maintenance, optimization and operation on the twin network, and performs iterative optimization through the network element model.
6. A digital twin based digital power grid system according to claim 5, wherein: the power automation system, the digital transformer substation and the intelligent power grid terminal realize power informatization; the power grid communication network is used for realizing data transmission and communication between power grid equipment; constructing a data center, realizing collection, storage and analysis of power grid data, and providing support for power grid operation; advanced power equipment, a power information system, a power grid communication network and a data center are built to support the operation and development of the digital power grid.
7. A digital twin based digital power network system according to claim 6, wherein: the data center collects information of power grid communication equipment and power monitoring equipment through a data collection module, the data collection module can mirror image copy self collected data in real time, the mirror image copied data are sent to a data storage module for storage, meanwhile, the mirror image copied data are sent to a data analysis module, and the data analysis module is used for carrying out data processing on operation data and comprises the following components: data cleaning, data protocol, data standardization and data transformation, and finally, the data are transmitted to a service mapping module for optimization after being tidied by a management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311079621.9A CN117060591A (en) | 2023-08-25 | 2023-08-25 | Digital power grid system based on digital twin |
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| CN202311079621.9A CN117060591A (en) | 2023-08-25 | 2023-08-25 | Digital power grid system based on digital twin |
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| CN202311079621.9A Pending CN117060591A (en) | 2023-08-25 | 2023-08-25 | Digital power grid system based on digital twin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117272696A (en) * | 2023-11-21 | 2023-12-22 | 国网信息通信产业集团有限公司 | Data interconnection interaction platform based on electric power artificial intelligence and digital twin |
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2023
- 2023-08-25 CN CN202311079621.9A patent/CN117060591A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117272696A (en) * | 2023-11-21 | 2023-12-22 | 国网信息通信产业集团有限公司 | Data interconnection interaction platform based on electric power artificial intelligence and digital twin |
| CN117272696B (en) * | 2023-11-21 | 2024-01-26 | 国网信息通信产业集团有限公司 | Data interconnection interaction platform based on electric power artificial intelligence and digital twin |
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