CN111026733A - Method and device for establishing versioned power grid model, computer equipment and storage medium - Google Patents
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Abstract
The application relates to a method and a device for establishing a versioned power grid model, computer equipment and a storage medium. The method comprises the following steps: firstly, acquiring power grid model data; dividing the power grid model data into model state sections according to preset state division nodes; establishing a power grid version model according to preset state division nodes corresponding to the model state section; and establishing a corresponding data table of the power grid version model based on the relational database, and generating the version power grid model according to the data table. According to the versioned power grid model building method, the open technical route independent of basic GIS platform software is adopted, the physical entity design of the versioned power grid is carried out based on the relational database, the topological network interconnection and the communication of the power grid are achieved, and the openness of the generated versioned power grid can be effectively improved.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a method and an apparatus for versioning a power grid model, a computer device, and a storage medium.
Background
The whole of the substation and the transmission and distribution line of various voltages in the power system is called as a power grid. The system comprises three units of power transformation, power transmission and power distribution. The task of the grid is to deliver and distribute electrical energy, changing voltage. With the increasing of the scale of the power grid, the development and transition process of the power grid is accelerating, the development and transition conditions of the scale and the wiring of the power grid can be visually displayed through a power grid model based on a computer technology, and the planning and construction rules of the future power grid are predicted.
The power grid GIS (Geographic Information System) platform provides versioning and temporal management functions of a power grid model and a graph, supports a planning version, a design version, a construction version, an operation version and the like of the power grid model, realizes full-life-cycle management of the power grid model, and meets the requirements of operation, design and planning application. However, the power grid model data can only run on a GIS platform, and the openness of the data is poor.
Disclosure of Invention
Therefore, it is necessary to provide a method and an apparatus for establishing a versioned power grid model, a computer device, and a storage medium, which can effectively improve the openness of model data, for solving the problem of poor openness of existing power grid model data.
A method of versioned power grid model building, the method comprising:
acquiring power grid model data;
dividing the power grid model data into model state sections according to a preset state dividing node;
establishing a power grid version model according to preset state division nodes corresponding to the model state section;
and establishing a corresponding data table of the power grid version model based on a relational database, and generating a version power grid model according to the data table.
In one embodiment, before the dividing the power grid model data into model state sections according to the preset state dividing node, the method further includes:
obtaining a model updating record, and extracting a version node in the model updating record;
and determining each preset state division node according to the version node.
In one embodiment, the preset state division nodes include a preset service state division node, a preset time state division node, and a preset space state division node, the model state sections include an application dimension model state section, a time dimension model state section, and a space dimension model state section, and dividing the power grid model data into model state sections according to the preset state division nodes includes:
dividing the power grid model data into application dimension model state sections according to a preset service state dividing node;
dividing the power grid model data into time dimension model state sections according to a preset time state dividing node;
and dividing the power grid model data into space dimension model state sections according to a preset space state dividing node.
In one embodiment, the establishing a power grid version model according to the preset state division nodes corresponding to the model state section includes:
searching basic model data according to preset state division nodes corresponding to the model state section;
and establishing a power grid version model corresponding to each preset state division node according to the basic model data and the model state section corresponding to each preset state division node.
In one embodiment, before the creating a data table corresponding to the power grid version model based on the relational database and generating a version power grid model according to the data table, the method further includes:
acquiring a time sequence chain corresponding to each power grid version model;
and establishing a power grid model development chain according to the time sequence chain and the power grid version model.
In one embodiment, before the creating a data table corresponding to the power grid version model based on the relational database and generating a version power grid model according to the data table, the method further includes:
acquiring a power grid design model corresponding to the power grid version model;
the establishing of the power grid version model corresponding data table comprises the following steps:
and establishing the power grid version model and a power grid design model corresponding data table corresponding to the power grid version model.
An apparatus for versioned power grid model building, the apparatus comprising:
the data acquisition module is used for acquiring the power grid model data;
the section dividing module is used for dividing the power grid model data into model state sections according to preset state dividing nodes;
the section correction module is used for establishing a power grid version model according to preset state division nodes corresponding to the model state section;
and the model construction module is used for establishing a data table corresponding to the power grid version model based on the relational database and generating the version power grid model according to the data table.
In one embodiment, the system further includes a node acquisition module, configured to:
obtaining a model updating record, and extracting a version node in the model updating record;
and determining each preset state division node according to the version node.
A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
acquiring power grid model data;
dividing the power grid model data into model state sections according to a preset state dividing node;
establishing a power grid version model according to preset state division nodes corresponding to the model state section;
and establishing a corresponding data table of the power grid version model based on a relational database, and generating a version power grid model according to the data table.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
acquiring power grid model data;
dividing the power grid model data into model state sections according to a preset state dividing node;
establishing a power grid version model according to preset state division nodes corresponding to the model state section;
and establishing a corresponding data table of the power grid version model based on a relational database, and generating a version power grid model according to the data table.
According to the method and the device for establishing the versioned power grid model, the computer equipment and the storage medium, power grid model data are firstly obtained; dividing the power grid model data into model state sections according to preset state division nodes; establishing a power grid version model according to preset state division nodes corresponding to the model state section; and establishing a corresponding data table of the power grid version model based on the relational database, and generating the version power grid model according to the data table. According to the method and the device, an open technical route independent of basic GIS platform software is adopted, the physical entity design of the versioned power grid is carried out based on the relational database, the topology network interconnection and the communication of the power grid are achieved, and the openness of the generated versioned power grid can be effectively improved.
Drawings
FIG. 1 is a diagram of an application environment for a method for versioned power grid model building in one embodiment;
FIG. 2 is a schematic flow diagram of a versioned power grid model building method in one embodiment;
FIG. 3 is a schematic flow chart diagram illustrating a method for building a versioned power grid model according to another embodiment;
FIG. 4 is a schematic sub-flow chart illustrating step S600 in FIG. 2 according to an embodiment;
FIG. 5 is a block diagram of an apparatus for versioned power grid model building in one embodiment;
FIG. 6 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application 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 present application and are not intended to limit the present application.
The power grid model establishing method provided by the present application may be applied to an application environment as shown in fig. 1, where the server 104 communicates with the terminal 102 through a network, and the server 104 may obtain power grid model data stored by the terminal 102. Then dividing the power grid model data into model state sections according to preset state division nodes; obtaining model modification data, correcting the model state section according to the model modification data to obtain a power grid version model, and obtaining the model modification data according to power grid engineering records; and establishing a corresponding data table of the power grid version model based on the relational database, and generating the version power grid model according to the data table. The terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers. The server 104 may be implemented by a single server or a cluster of servers.
As shown in fig. 2, in one embodiment, the method for establishing a versioned power grid model of the present application is implemented by the server 104, and specifically includes the following steps:
s200, the server obtains the power grid model data.
The power grid is a whole formed by a substation with various voltages and a power transmission and distribution line in a power system, and specifically comprises related equipment such as power generation, power transmission, power transformation, power distribution, low voltage, power utilization, communication networks and the like. The power grid model is a data model established according to an actual power grid, comprises various types of power grid equipment and the graphic topology of power grid lines, and is used for realizing the interconnected communication of topology networks with functions of power generation, power transmission, power transformation, power distribution, low voltage, power utilization, communication networks and the like. The power grid model data refers to data information contained in an existing power grid model and a time axis of power grid model evolution.
And S400, dividing the power grid model data into model state sections according to preset state division nodes.
The preset state division nodes are nodes for dividing the state of the power grid model, and the actually used power grid model can change constantly along with the improvement of an actual power grid, so that power grid model data in different periods are different, and the state division nodes are nodes corresponding to the power grid model data in different periods. And the state sections correspond to data among the state division nodes, and the graph topology and the attributes of the newly-built, modified and deleted power grid model in the state division nodes before and after the state section corresponds to each state section are recorded in an 'increment' mode in each state section. For example, a line is newly built or a tower is removed, or each project is put into operation, which includes new building, modification or deletion of a plurality of devices, or all modifications in the time range can be accumulated in units of time such as day, week or month. In particular, for the model state section at the initial preset state division node, it corresponds to the initially generated, unmodified base grid model.
S600, establishing a power grid version model according to preset state division nodes corresponding to the model state section.
The power grid version model is a power grid model generated based on successive modification of the power grid model, and corresponds to a model state section between state division nodes. The model state section comprises initial basic power grid model data and incremental data corresponding to the model between each state node. A first power grid version model may be established based on the basic power grid model data and a model state section corresponding to a node closest to the basic power grid model data among the preset state division nodes, and then subsequent power grid version models may be established based on the first power grid version model and the subsequent model state sections, each power grid version model corresponding to one model state section.
And S800, establishing a corresponding data table of the power grid version model based on the relational database, and generating the version power grid model according to the data table.
A relational database refers to a database that uses a relational model to organize data, and stores data in rows and columns for a user to understand conveniently, a series of rows and columns of the relational database are called tables, and a group of tables constitutes the database. A user retrieves data in a database by a query, which is an executable code that defines certain areas in the database. The relational model can be simply understood as a two-dimensional table model, and a relational database is a data organization composed of two-dimensional tables and relations between them. After the power grid version model is generated, physical entity design including power grid resources, spatial information and topology corresponding to the power grid version model can be performed through the relational database based on the power grid version model. And physical entity design is carried out based on the relational database, the topological network interconnection and communication of power generation, power transmission, power transformation, power distribution, low voltage, power utilization and communication networks are realized, and the openness of model data is ensured. When the data tables corresponding to the power grid version model are established, a complete version power grid model can be established according to the data tables, and according to one embodiment, the relational database can be realized through an oracle (oracle) database.
The method for establishing the versioned power grid model comprises the following steps of firstly, acquiring power grid model data; dividing the power grid model data into model state sections according to preset state division nodes; establishing a power grid version model according to preset state division nodes corresponding to the model state section; and establishing a corresponding data table of the power grid version model based on the relational database, and generating the version power grid model according to the data table. According to the method and the device, an open technical route independent of basic GIS platform software is adopted, the physical entity design of the versioned power grid is carried out based on the relational database, the topology network interconnection and the communication of the power grid are achieved, and the openness of the generated versioned power grid can be effectively improved.
As shown in fig. 3, in one embodiment, before step S400, the method further includes:
s320, obtaining the model updating record and extracting the version node in the model updating record.
And S340, determining each preset state division node according to the version node.
The model updating record refers to a history record which is reserved when the power grid model corresponding to the power grid model data is updated each time. When a large update such as a version update is performed, the corresponding version node is stored in the model update record, and each preset state division node can be determined according to the time point corresponding to the version node. So as to ensure that the model state section contains the model modifier.
In another embodiment, the preset state division nodes include a preset service state division node, a preset time state division node, and a preset space state division node, the model state sections include an application dimension model state section, a time dimension model state section, and a space dimension model state section, and step S400 includes: dividing the power grid model data into application dimension model state sections according to preset service state division nodes; dividing the power grid model data into time dimension model state sections according to preset time state division nodes; and dividing the power grid model data into space dimension model state sections according to preset space state division nodes.
The dividing mode of the cross section comprises various types, and the cross section can be divided by applying dimensions, time dimensions, space dimensions and other dimensions. The application dimension is mainly divided from the perspective of business application, such as a planning state and a design state; the time dimension is divided according to a time axis, such as years; the spatial dimension is divided according to regions, such as a certain administrative region. The power grid model data are divided from multiple dimensions, so that the diversity of the state section of the obtained model can be effectively guaranteed, and the data richness of the established versioned power grid model is guaranteed.
As shown in fig. 4, in one embodiment, step S600 includes:
s610, searching basic model data according to the preset state division nodes corresponding to the model state section.
And S630, establishing a power grid version model corresponding to each preset state division node according to the basic model data and the model state section corresponding to each preset state division node.
The basic model data is model data in a state without any modification, the existing power grid model data is obtained by continuously modifying the basic model data, the model state sections are model modification data corresponding to different preset state division nodes, after the basic model data is found, the basic model data and a subsequently generated power grid version model can be correspondingly modified according to the sequence of the preset state division nodes on a time axis, and if the basic model data is modified according to the model state section corresponding to the first preset state division node, the power grid version model after the first model modification is obtained. And then, the power grid version model can be used as a basic model of the power grid version model corresponding to the next preset state division node, and a second model is added to the power grid version model after the first model modification to modify the corresponding model state section, so that the power grid version model after the second model modification is obtained. And subsequently, model modification operation can be carried out according to the corresponding model state sections on the basis of the power grid version model generated in the previous step, and the corresponding power grid version model is generated for each model state section. By continuously adding model state sections, the version power grid model corresponding to each preset state division node in the time axis can be efficiently established
In one embodiment, before step S800, the method further includes:
and acquiring a time sequence chain corresponding to each power grid version model.
And establishing a power grid model development chain according to the time sequence chain and the power grid version model.
Before generating the final versioned power grid model, the time series chain corresponding to each power grid version model can be obtained, and the time series chain can be obtained according to the time sequence of the preset state division nodes corresponding to each power grid version model. And then establishing a power grid model development chain according to the sequence of the power grid version models in the time series chain. The changes of the power grid before and after each update can be more intuitively known through a power grid model development chain, and the research and development of the power grid are facilitated.
In one embodiment, before step S800, the method further includes: acquiring a power grid design model corresponding to the power grid version model; s800 comprises the following steps: and establishing a power grid version model and a power grid design model corresponding data table corresponding to the power grid version model.
The power grid design model refers to an original version design model used in a process of modifying a power grid, and the models correspond to an actual power grid version model. In a specific application process, the power grid version models at all the nodes have the design version power grid models corresponding to the power grid version models, the server can search the power grid version models in the database for the design version power grid models corresponding to the power grid version models, acquire the power grid design models of the design versions, and finally establish the power grid version models and the corresponding data tables of the power grid design models corresponding to the power grid version models. The method has the advantages that the structural version of the power grid after the power grid is put into production is saved, meanwhile, the design version of the power grid is also saved, and the problem that the original design cannot be seen after the project is completed in the conventional system is solved.
It should be understood that although the various steps in the flow charts of fig. 2-4 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-4 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
As shown in fig. 5, the present application further includes a device for creating a versioned power grid model, where the device includes:
a data obtaining module 200, configured to obtain power grid model data;
a section dividing module 400, configured to divide the power grid model data into model state sections according to preset state division nodes;
the section correction module 600 is used for establishing a power grid version model according to preset state division nodes corresponding to the model state sections;
and the model building module 800 is used for building a data table corresponding to the power grid version model based on the relational database and generating the version power grid model according to the data table.
In one embodiment, the system further includes a node acquisition module, configured to: obtaining a model updating record, and extracting a version node in the model updating record; and determining each preset state division node according to the version node.
In one embodiment, the preset state division nodes include a preset service state division node, a preset time state division node, and a preset space state division node, the model state sections include an application dimension model state section, a time dimension model state section, and a space dimension model state section, and the section division module 400 is specifically configured to: dividing the power grid model data into application dimension model state sections according to preset service state division nodes; dividing the power grid model data into time dimension model state sections according to preset time state division nodes; and dividing the power grid model data into space dimension model state sections according to preset space state division nodes.
In one embodiment, the profile modification module 600 is configured to: searching basic model data according to preset state division nodes corresponding to the model state section; and establishing a power grid version model corresponding to each preset state division node according to the basic model data and the model state section corresponding to each preset state division node.
In one embodiment, the system further comprises a development chain establishing module, configured to: acquiring a time sequence chain corresponding to each power grid version model; and establishing a power grid model development chain according to the time sequence chain and the power grid version model.
In one embodiment, the system further comprises a design data acquisition module, which is used for acquiring a power grid design model corresponding to the power grid version model; the model building module 800 is specifically configured to build a power grid version model and a data table corresponding to the power grid design model corresponding to the power grid version model.
For specific definition of the power grid model versioning apparatus, reference may be made to the above definition of the power grid model versioning method, which is not described herein again. The various modules in the above-described versioned power grid model apparatus may be implemented in whole or in part by software, hardware, and combinations thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, and its internal structure diagram may be as shown in fig. 6. The computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of versioning a power grid model.
Those skilled in the art will appreciate that the architecture shown in fig. 6 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
acquiring power grid model data;
dividing the power grid model data into model state sections according to preset state division nodes;
establishing a power grid version model according to preset state division nodes corresponding to the model state section;
and establishing a corresponding data table of the power grid version model based on the relational database, and generating the version power grid model according to the data table.
In one embodiment, the processor, when executing the computer program, further performs the steps of: obtaining a model updating record, and extracting a version node in the model updating record; and determining each preset state division node according to the version node.
In one embodiment, the processor, when executing the computer program, further performs the steps of: dividing the power grid model data into application dimension model state sections according to preset service state division nodes; dividing the power grid model data into time dimension model state sections according to preset time state division nodes; and dividing the power grid model data into space dimension model state sections according to preset space state division nodes.
In one embodiment, the processor, when executing the computer program, further performs the steps of: searching basic model data according to preset state division nodes corresponding to the model state section; and establishing a power grid version model corresponding to each preset state division node according to the basic model data and the model state section corresponding to each preset state division node.
In one embodiment, the processor, when executing the computer program, further performs the steps of: acquiring a time sequence chain corresponding to each power grid version model; and establishing a power grid model development chain according to the time sequence chain and the power grid version model.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and acquiring a power grid design model corresponding to the power grid version model, and establishing the power grid version model and a data table corresponding to the power grid design model corresponding to the power grid version model.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring power grid model data;
dividing the power grid model data into model state sections according to preset state division nodes;
establishing a power grid version model according to preset state division nodes corresponding to the model state section;
and establishing a corresponding data table of the power grid version model based on the relational database, and generating the version power grid model according to the data table.
In one embodiment, the computer program when executed by the processor further performs the steps of: obtaining a model updating record, and extracting a version node in the model updating record; and determining each preset state division node according to the version node.
In one embodiment, the computer program when executed by the processor further performs the steps of: dividing the power grid model data into application dimension model state sections according to preset service state division nodes; dividing the power grid model data into time dimension model state sections according to preset time state division nodes; and dividing the power grid model data into space dimension model state sections according to preset space state division nodes.
In one embodiment, the computer program when executed by the processor further performs the steps of: searching basic model data according to preset state division nodes corresponding to the model state section; and establishing a power grid version model corresponding to each preset state division node according to the basic model data and the model state section corresponding to each preset state division node.
In one embodiment, the computer program when executed by the processor further performs the steps of: acquiring a time sequence chain corresponding to each power grid version model; and establishing a power grid model development chain according to the time sequence chain and the power grid version model.
In one embodiment, the computer program when executed by the processor further performs the steps of: and acquiring a power grid design model corresponding to the power grid version model, and establishing the power grid version model and a data table corresponding to the power grid design model corresponding to the power grid version model.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method of versioned power grid model building, the method comprising:
acquiring power grid model data;
dividing the power grid model data into model state sections according to a preset state dividing node;
establishing a power grid version model according to preset state division nodes corresponding to the model state section;
and establishing a corresponding data table of the power grid version model based on a relational database, and generating a version power grid model according to the data table.
2. The method of claim 1, wherein before the partitioning the grid model data into model state sections according to preset state partitioning nodes, further comprising:
obtaining a model updating record, and extracting a version node in the model updating record;
and determining each preset state division node according to the version node.
3. The method of claim 1, wherein the preset state partition nodes comprise preset business state partition nodes, preset time state partition nodes, and preset space state partition nodes, wherein the model state profiles comprise application dimension model state profiles, time dimension model state profiles, and space dimension model state profiles, and wherein partitioning the grid model data into model state profiles according to preset state partition nodes comprises:
dividing the power grid model data into application dimension model state sections according to a preset service state dividing node;
dividing the power grid model data into time dimension model state sections according to a preset time state dividing node;
and dividing the power grid model data into space dimension model state sections according to a preset space state dividing node.
4. The method according to claim 1, wherein the establishing of the power grid version model according to the preset state division nodes corresponding to the model state section comprises:
searching basic model data according to preset state division nodes corresponding to the model state section;
and establishing a power grid version model corresponding to each preset state division node according to the basic model data and the model state section corresponding to each preset state division node.
5. The method according to claim 4, wherein before the creating the corresponding data table of the power grid version model based on the relational database and generating the version power grid model according to the data table, the method further comprises:
acquiring a time sequence chain corresponding to each power grid version model;
and establishing a power grid model development chain according to the time sequence chain and the power grid version model.
6. The method according to claim 1, wherein before the creating the corresponding data table of the power grid version model based on the relational database and generating the version power grid model according to the data table, the method further comprises:
acquiring a power grid design model corresponding to the power grid version model;
the establishing of the power grid version model corresponding data table comprises the following steps:
and establishing the power grid version model and a power grid design model corresponding data table corresponding to the power grid version model.
7. An apparatus for versioned power grid model building, the apparatus comprising:
the data acquisition module is used for acquiring the power grid model data;
the section dividing module is used for dividing the power grid model data into model state sections according to preset state dividing nodes;
the section correction module is used for establishing a power grid version model according to preset state division nodes corresponding to the model state section;
and the model construction module is used for establishing a data table corresponding to the power grid version model based on the relational database and generating the version power grid model according to the data table.
8. The apparatus of claim 7, further comprising a node acquisition module configured to:
obtaining a model updating record, and extracting a version node in the model updating record;
and determining each preset state division node according to the version node.
9. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 1 to 6 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
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