CN116562235A - Method for generating CIM-E power grid model by CIM-G format wiring diagram - Google Patents
Method for generating CIM-E power grid model by CIM-G format wiring diagram Download PDFInfo
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- H—ELECTRICITY
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Abstract
The invention belongs to the technical field of visualization of power systems, and particularly relates to a method for generating a CIM-E power grid model by using a CIM-G format wiring diagram, which comprises the following steps: analyzing graphic data in the CIM-G main wiring diagram and storing the graphic data in a database; searching a topological node group of the power equipment; converting transformers in the node group into windings for modeling, searching all transformers in the node group, and replacing all transformers with different windings respectively; adding information of windings and transformers to which the windings belong to an equipment database; starting from a transformer winding, searching all power equipment connected with the winding topology to form a voltage group, and searching the voltage group to which all the power equipment belongs; performing nearest neighbor matching on the text information and the power equipment information, and determining the voltage class and the name of the power equipment; and generating a CIM-E power grid model according to the specification based on the acquired voltage class and name of the power equipment. The invention has simple operation and reduces the complexity of manual operation.
Description
Technical Field
The invention belongs to the technical field of visualization of power systems, and particularly relates to a method for generating a CIM-E power grid model by using a CIM-G format wiring diagram.
Background
Along with the increase of the power resource requirements and the continuous improvement of the informatization degree, the requirements on the conversion and docking work of the power system information are also higher and higher. For the power system station wiring diagram data, the manual recording mode is mostly relied on at present, the operation is complex, and the required refinement degree is high. Along with the continuous development of artificial intelligence and image processing technology, the realization of intelligent efficient and automatic processing of graphic and model data has more and more research significance.
In the current stage, the information exchange of the power system has the problem that the graphic information of each manufacturer is inconsistent with the model format, and in order to ensure the consistency and standardization of the information exchange, the national grid company pushes a general model description specification (CIM-E language) of the power system and a general description specification (CIM-G language) of the power system. CIM-E is a text-form power system data markup language, and CIM-G is a SVG (scalable vector graphics ) simplified format-based power system graphics description language. Currently, these two languages have become the standard format for graphic and model data exchange within national grid companies. Therefore, the conversion based on the two languages has research significance and practical application value.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a method for generating a CIM-E power grid model by using a CIM-G format wiring diagram.
The technical scheme for solving the technical problems is as follows:
in a first aspect, the invention provides a method for generating a CIM-E power grid model by using a CIM-G format wiring diagram, which comprises the following steps:
step 1, analyzing graphic data in a CIM-G main wiring diagram, and storing power equipment information, connection relation type information and text type information required by generating a CIM-E power grid model into a database;
step 2, searching a topological node group of the power equipment, wherein the power equipment in the node group has the same topological connection node;
step 3, converting transformers in the node group into windings for modeling, searching all transformers in the node group, and replacing all transformers with different windings respectively;
step 4, starting from a transformer winding, searching all power equipment connected with the winding topology to form a voltage group, and searching all voltage groups to which the power equipment belongs;
step 5, performing nearest neighbor matching on the text information and the power equipment information, and determining the voltage class and the name of the power equipment;
and 6, generating a CIM-E power grid model according to CIM-E specifications based on the acquired voltage grade and name of the power equipment.
Further, the step 1 specifically includes: the text information required by the CIM-E power grid model is stored in a text database, the information of the connection relation is stored in the connection relation database, the power equipment information is stored in an equipment database, the power equipment information comprises power equipment and position information thereof, and the text information comprises text content and position information thereof.
Further, the step 2 searches the topology node group, and the specific steps are as follows:
step 21, searching all the power equipment connected with the bus, and marking the bus and the power equipment connected with the bus as the same node group;
step 22, deleting records of connecting wires connected with the buses in a connection relation database, so that other nodes can be conveniently searched in the next step;
step 23, processing the connection relation, extracting connecting wires therein, obtaining each connecting wire and the connecting wires connected with each connecting wire, wherein each group of connecting wires form a wire group;
step 24, for each line group, searching the power equipment and the connecting lines connected with all the connecting lines in the line group to form a new node group;
step 25, comparing the newly formed node group with the previous node group, and adding the node group searched by the line group for the newly added power equipment; for the newly added connecting wire, searching the connected power equipment and connecting wire, and determining the newly added connecting wire and power equipment by utilizing collective operation; repeating the step until no newly added connecting line exists, and completing the node group searching based on the line group.
Further, after all the line groups are searched, the method further comprises: and performing de-duplication operation on all the searched node groups, and adding the node groups of the bus to obtain the node groups of all the power equipment.
Further, the specific steps of the step 4 are as follows:
step 41, starting from all transformer windings, each transformer winding forming a voltage group;
step 42, searching all power equipment connected with the transformer winding topology to form voltage groups with different voltage classes; the method specifically comprises the following steps:
searching all the power equipment connected with the winding topology, adding a voltage group of the winding, judging whether the newly added equipment in the voltage group has windings, and if so, not continuously searching the power equipment connected with the topology downwards; if the winding is not the winding, continuously searching the power equipment which is topologically connected with the winding to add into the voltage group;
and continuously judging whether the voltage group has newly added power equipment through collective operation, if so, repeating the steps, and if not, completing the search based on the voltage group of the winding.
Further, after all the voltage groups are found, the method further comprises: and performing de-duplication operation on all the searched voltage groups to obtain voltage groups of all the devices, wherein the devices with the same voltage group have the same voltage class.
Further, the step 5 of determining the voltage level of the power device includes the steps of: and in the text database, based on the position information of the power equipment and the position information of the text information, performing nearest neighbor matching on all the power equipment, confirming the voltage class of the matched power equipment, and adding voltage class field information to other power equipment in a voltage group to which the power equipment belongs.
Further, the step 5 further includes: judging the high, medium and low of the voltage class of the winding, sequencing the windings of the same transformer according to the voltage class, and adding a winding voltage class field.
In a second aspect, the present invention also provides a device for generating a CIM-E power grid model from a CIM-G format wiring diagram, which includes: a processor, a memory, and a program; the program is stored in the memory, and the processor invokes the program stored in the memory to execute the method for generating the CIM-E power grid model by the CIM-G format wiring diagram according to any embodiment of the first aspect.
In a third aspect, the present invention also provides a computer readable storage medium, where the computer readable storage medium includes a stored computer program, where the computer program, when executed by a processor, controls a device in which the storage medium is located to execute a method for generating a CIM-E grid model according to any one of the embodiments of the first aspect.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the plant station graphic information is converted into the model information, so that the power equipment information and the topological connection relation thereof can be conveniently checked, the workload of manual input is reduced, and the plant station power equipment information is intelligently and efficiently checked and managed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions and advantages of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for generating a CIM-E power grid model by using a CIM-G format wiring diagram.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention to achieve the preset purpose, the following detailed description is given below of the specific implementation, structure, features and effects of the technical solution according to the present invention with reference to the accompanying drawings and preferred embodiments. The particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Referring to fig. 1, in one embodiment of the present invention, a method for generating a CIM-E grid model from a CIM-G format wiring diagram is provided, which specifically includes the following steps:
and 1, analyzing graphic data in the CIM-G main wiring diagram, and storing power equipment information, connection relation type information and text type information required by generating a CIM-E power grid model into a database.
Defining CIM-G may identify the primitive type and the corresponding CIM-E model type. The specific CIM-G identifiable primitive type corresponds to the CIM-E model type as shown in Table 1 below.
TABLE 1
Each power device has a terminal connected to the outside, the terminal being defined as Pin, the terminal being used to describe a graphical object of the connection point between the power devices.
The connection relationship represents a connection between terminals of the power equipment. Each terminal in the main wiring diagram should be connected to other terminals by a connection relationship. The attribute of the connection relationship includes a connection attribute describing the connection relationship between the power devices, in which terminal information of a plurality of power devices is recorded, each of the terminal information including a terminal number of the terminal and a power device ID to which the terminal belongs.
The format of the connection attribute is as follows: "terminal number of connecting wire, terminal number of connected object, ID of connected object; … ", for example, connection attribute link=" 0,1,101000036;1,0,100000037".
In the invention, for the connection attribute of the connection relation, the terminal number of the connecting wire and the terminal number information of the connected object are deleted, and the ID of the connected power equipment is extracted, such as link= "101000036;100000037". The information of the connection relation class is stored in a connection relation database.
The power equipment includes: the power equipment information comprises the power equipment and the position information thereof, and the power equipment information is stored in an equipment database.
The attributes of each power device include a voltage class attribute, with an attribute value format of: XXXkV, e.g. 50kV, is used to describe the belonging voltage class information.
The text field in the CIM-G includes all text information in the main wiring diagram, such as text content and location information of the text field in the attribute of the power equipment, and the text content and location information of the text field in the attribute of the power equipment are extracted and stored in the text database. Specifically, the text contents such as "kV", "variable", "mother" and the position information thereof are extracted and stored in a text database, so that the records containing the words such as "kV", "variable", "mother" are extracted from the text database later, and are used for matching the voltage level of the power equipment.
And 2, searching a topological node group of the power equipment, wherein the power equipment in the node group has the same topological connection node.
The steps of searching the topological node group are as follows:
step 21, searching all the power equipment connected with the bus, and marking the bus and the power equipment connected with the bus as the same node group;
step 22, deleting records of connecting wires connected with the buses in a connection relation database, so that other node groups can be searched conveniently in the next step;
step 23, processing the connection relation, extracting connecting wires therein, obtaining each connecting wire and the connecting wires connected with each connecting wire, wherein each group of connecting wires form a wire group;
step 24, for each line group, searching the power equipment and the connecting lines connected with all the connecting lines in the line group to form a new node group;
step 25, comparing the newly formed node group with the previous node group, and adding the node group searched by the line group for the newly added power equipment; for the newly added connecting wire, searching the connected power equipment and connecting wire, and determining the newly added connecting wire and power equipment by utilizing collective operation; repeating the step until no newly added connecting line exists, and completing the node group searching based on the line group.
And after all the line groups are searched, performing de-duplication operation on all the searched node groups, and adding the node groups of the bus to obtain the node groups of all the power equipment.
Step 3, converting transformers in the node group into windings for modeling, searching all transformers in the node group, and replacing all transformers with different windings respectively; and the information of the windings and the transformers to which the windings belong is added into a device database.
In a power device, a transformer device is a device capable of connecting different voltage classes. The transformer winding is a group of turns constituting an electric circuit corresponding to a certain voltage value marked by a transformer, and the terminal voltage is different when the number of turns of each secondary winding is different. The most common in power systems is a three-winding transformer.
And 4, starting from the transformer winding, searching all the power equipment connected with the winding topology to form a voltage group, and searching all the voltage groups to which the power equipment belongs.
Starting from a transformer winding, searching all power equipment connected with the winding topology to form a voltage group, and searching the voltage group of all the power equipment, wherein the specific steps are as follows:
step 41, starting from all transformer windings, each transformer winding forming a voltage group;
step 42, searching all power equipment connected with the transformer winding topology to form voltage groups with different voltage classes; the method specifically comprises the following steps:
searching all the power equipment connected with the winding topology, adding a voltage group of the winding, judging whether the newly added equipment in the voltage group has windings, and if so, not continuously searching the power equipment connected with the topology downwards; if the winding is not the winding, continuously searching the power equipment which is topologically connected with the winding to add into the voltage group;
and continuously judging whether the voltage group has newly added power equipment through collective operation, if so, repeating the steps, and if not, completing the search based on the voltage group of the winding.
And after all the voltage groups are searched, performing de-duplication operation on all the searched voltage groups to obtain the voltage groups of all the power equipment, wherein the power equipment with the same voltage group has the same voltage class.
And 5, performing nearest neighbor matching on the text information and the power equipment information, and determining the voltage class and the name of the power equipment.
And extracting text contents and position information containing 'kV', 'variant', 'parent' and the like from a text database, carrying out nearest neighbor matching on all the power equipment based on the 'kV' position information and the power equipment position information, thereby confirming the voltage class of the matched power equipment, and adding voltage class field information to other power equipment in a voltage group to which the power equipment belongs.
And matching the text information except for 'kV' with the power equipment based on a nearest neighbor matching algorithm. Matching the text information containing the 'change' with a transformer; for text information containing 'mother', matching with the bus to obtain the name of the power equipment.
Judging the high, medium and low of the voltage class of the winding, sequencing the windings of the same transformer according to the voltage class, and adding a winding voltage class field.
And 6, generating a CIM-E power grid model according to CIM-E specifications based on the acquired voltage grade and name of the power equipment.
According to the invention, through calculating the topological connection relation of the power equipment, determining the voltage level of the equipment through the text coordinates and the equipment position information, converting CIM-G graphic information into CIM-E model information, and writing the CIM-E model information into a CIM-E power grid model according to standard CIM-E specifications; the invention has simple operation and strong usability, improves the efficiency of data exchange and reduces the complexity of manual operation.
In an embodiment of the present invention, there is also provided an apparatus for generating a CIM-E grid model from a CIM-G format wiring diagram, including: comprises a processor, a memory and a program; the program is stored in the memory, and the processor calls the program stored in the memory to execute the method for generating the CIM-E power grid model by the CIM-G format wiring diagram.
In the implementation of the apparatus for generating a CIM-E grid model based on CIM-G format wiring diagrams described above, the memory and the processor are electrically connected directly or indirectly to enable transmission or interaction of data. For example, the elements may be electrically connected to each other via one or more communication buses or signal lines, such as through a bus connection. The memory stores computer-executable instructions for implementing the data access control method, including at least one software functional module that may be stored in the memory in the form of software or firmware, and the processor executes the software programs and modules stored in the memory to perform various functional applications and data processing.
The Memory may be, but is not limited to, random access Memory (Random Access Memory; RAM), read Only Memory (ROM), programmable Read Only Memory (Programmable Read-Only Memory; PROM), erasable Read Only Memory (Eraseable)
Programmable Read-Only Memory, abbreviated: EPROM), electrically erasable read-Only Memory (Electric Erasable Programmable Read-Only Memory, abbreviation: EEPROM), and the like. The memory is used for storing a program, and the processor executes the program after receiving the execution instruction.
The processor may be an integrated circuit chip with signal processing capabilities. The processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, abbreviated as CPU), a network processor (Network Processor, abbreviated as NP), and the like. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
In an embodiment of the present invention, there is further provided a computer readable storage medium, where the computer readable storage medium includes a stored computer program, where when the computer program is executed by a processor, the method for generating a CIM-E grid model by controlling a device where the storage medium is located to execute the above-mentioned CIM-G format wiring diagram.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the invention may take the form of an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the invention may take the form of a computer program product on one or more computer-usable storage media having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart.
The above description of the method for generating the CIM-E power grid model by using the CIM-G format wiring diagram, the apparatus for generating the CIM-E power grid model by using the CIM-G format wiring diagram and the application of a computer readable storage medium provided by the invention has been presented in detail, and specific examples are applied in the invention to illustrate the principles and embodiments of the invention, and the above description of the embodiments is only used to help understand the method and core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.
Claims (10)
1. The method for generating the CIM-E power grid model by using the CIM-G format wiring diagram is characterized by comprising the following steps of:
step 1, analyzing graphic data in a CIM-G main wiring diagram, and storing power equipment information, connection relation type information and text type information required by generating a CIM-E power grid model into a database;
step 2, searching a topological node group of the power equipment in the main wiring diagram, wherein the power equipment in the node group has the same topological connection node;
step 3, converting transformers in the node group into windings for modeling, searching all transformers in the node group, and replacing all transformers with different windings respectively;
step 4, starting from a transformer winding, searching all power equipment connected with the winding topology to form a voltage group, and searching all voltage groups to which the power equipment belongs;
step 5, performing nearest neighbor matching on the text information and the power equipment information, and determining the voltage class and the name of the power equipment;
and 6, generating a CIM-E power grid model according to CIM-E specifications based on the acquired voltage grade and name of the power equipment.
2. The method for generating the CIM-E power grid model by using the CIM-G format wiring diagram according to claim 1, wherein text information required by the CIM-E power grid model is stored in a text database, information of connection relation types is stored in the connection relation database, and information of power equipment is stored in an equipment database, wherein the information of the power equipment comprises the information of the power equipment and the position information of the power equipment, and the text information comprises text content and the position information of the text content.
3. The method for generating the CIM-E grid model by using the CIM-G format wiring diagram according to claim 2, wherein the topology node group searching in step 2 comprises the following specific steps:
step 21, searching all the power equipment connected with the bus, and marking the bus and the power equipment connected with the bus as the same node group;
step 22, deleting records of connecting wires connected with the buses in a connection relation database, so that other nodes can be conveniently searched in the next step;
step 23, processing the connection relation, extracting connecting wires therein, obtaining each connecting wire and the connecting wires connected with each connecting wire, wherein each group of connecting wires form a wire group;
step 24, for each line group, searching the power equipment and the connecting lines connected with all the connecting lines in the line group to form a new node group;
step 25, comparing the newly formed node group with the previous node group, and adding the node group searched by the line group for the newly added power equipment; for the newly added connecting wire, searching the connected power equipment and connecting wire, and determining the newly added connecting wire and power equipment by utilizing collective operation; repeating the step until no newly added connecting line exists, and completing the node group searching based on the line group.
4. A method for generating a CIM-E grid model from a CIM-G format wiring diagram as set forth in claim 3, further comprising, after all wire groups have been found: and performing de-duplication operation on all the searched node groups, and adding the node groups of the bus to obtain the node groups of all the power equipment.
5. The method for generating a CIM-E grid model according to claim 1, wherein the step 4 specifically comprises the following steps:
step 41, starting from all transformer windings, each transformer winding forming a voltage group;
step 42, searching all power equipment connected with the transformer winding topology to form voltage groups with different voltage classes; the method specifically comprises the following steps:
searching all the power equipment connected with the winding topology, adding a voltage group of the winding, judging whether the newly added equipment in the voltage group has windings, and if so, not continuously searching the power equipment connected with the topology downwards; if the winding is not the winding, continuously searching the power equipment which is topologically connected with the winding to add into the voltage group;
and continuously judging whether the voltage group has newly added power equipment through collective operation, if so, repeating the steps, and if not, completing the search based on the voltage group of the winding.
6. The method for generating a CIM-E grid model from a CIM-G format wiring diagram of claim 5, further comprising, after all voltage groups have been found: and performing de-duplication operation on all the searched voltage groups to obtain voltage groups of all the devices, wherein the devices with the same voltage group have the same voltage class.
7. The method for generating a CIM-E grid model from a CIM-G format wiring diagram of claim 6, wherein determining the voltage level of the electrical device in step 5 comprises the steps of: and in the text database, based on the position information and the text content information of the power equipment, performing nearest neighbor matching on all the power equipment, confirming the voltage class of the matched power equipment, and adding voltage class field information to other power equipment in a voltage group to which the power equipment belongs.
8. The method for generating a CIM-E grid model from a CIM-G format wiring diagram of claim 7, wherein step 5 further comprises: judging the high, medium and low of the voltage class of the winding, sequencing the windings of the same transformer according to the voltage class, and adding a winding voltage class field.
9. An apparatus for generating a CIM-E grid model from a CIM-G format wiring diagram, comprising: a processor, a memory, and a program; the program is stored in the memory, and the processor invokes the memory-stored program to perform the method of any one of claims 1-8.
10. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored computer program, wherein the computer program, when run by a processor, controls a device in which the storage medium is located to perform the method of any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310847295.5A CN116562235B (en) | 2023-07-12 | 2023-07-12 | Method for generating CIM-E power grid model by CIM-G format wiring diagram |
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Denomination of invention: A Method for Generating CIM-E Power Grid Model from CIM-G Format Wiring Diagram Effective date of registration: 20231205 Granted publication date: 20230919 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: DONGFANG ELECTRONICS Co.,Ltd. Registration number: Y2023980069277 |
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Inventor after: Chen Kangyi Inventor after: Li Tianfu Inventor after: Wu Lianzhi Inventor after: Gao Bo Inventor after: Zhu Feng Inventor after: Sun Shiyuan Inventor after: Huang Minghui Inventor after: Wang Chuanlin Inventor after: Chen Shijie Inventor before: Chen Kangyi Inventor before: Li Tianfu Inventor before: Hao Lianzhi Inventor before: Gao Bo Inventor before: Zhu Feng Inventor before: Sun Shiyuan Inventor before: Huang Minghui Inventor before: Wang Chuanlin Inventor before: Chen Shijie |