One-Diagram Model Design Method, Analysis Method and System for Substation Secondary Circuit

Abstract

The present invention belongs to the field of intelligent substations and provides a design method, analysis method and system for a one-graph model of a substation secondary circuit. The design method includes establishing all photoelectric element models in the substation secondary circuit according to the affiliation of the photoelectric elements in the substation secondary circuit; combining the internal connections and external connections of each photoelectric element in the substation secondary circuit to form a complete path according to the physical connection characteristics of the photoelectric circuit; decomposing all photoelectric element models and connections of the substation secondary circuit into minimum units, and then storing the object attributes of the minimum units in a database to construct a data structure library; based on multiple preset file formats and element descriptions, matching the virtual circuit connection attributes, photoelectric circuit connection attributes and primary element connection attributes in the one-graph model corresponding to the substation secondary circuit with the element attributes of each preset file type, and outputting the corresponding one-graph model of the substation secondary circuit.

Description

Technical Field

[0001] The present invention belongs to the field of intelligent substations, and in particular relates to a substation secondary circuit one-graph model design method, an analysis method and a system. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] Smart substations, as a key component of building smart grids, utilize advanced, integrated, low-carbon, and environmentally friendly intelligent primary equipment, intelligent auxiliary equipment, and networked secondary equipment. They feature digital information, a networked communication platform, and standardized information sharing. However, the inventors discovered that smart substations use optical fiber instead of cables, transmit data over the network, and use configuration files to carry secondary system information. This leads to problems such as unintuitive secondary circuits, low visualization, and an inability to view the physical path of signal transmission. This makes it difficult to perform tasks such as signal tracing, fault location, and safety measures. Furthermore, defect handling relies heavily on the manufacturer, posing a high safety risk to operations. Summary of the Invention

[0004] In order to solve the technical problems existing in the above-mentioned background technology, the present invention provides a substation secondary circuit one-drawing model design method, analysis method and system, which are graphically displayed in an object-oriented manner, and structurally reconstructed and associated with objects after organizing the substation drawing materials. At the same time, the corresponding link and device debugging and detection work is automated, which can reduce manpower consumption and improve work safety.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A first aspect of the present invention provides a one-drawing model design method for a substation secondary circuit.

[0007] In one or more embodiments, a method for designing a substation secondary circuit one-graph model includes:

[0008] According to the subordinate relationship of the photoelectric components in the secondary circuit of the substation, the model of all the photoelectric components in the secondary circuit of the substation is established;

[0009] Based on the physical connection characteristics of the optoelectronic circuit, the internal and external connections of each optoelectronic element in the secondary circuit of the substation are combined to form a complete path;

[0010] All optoelectronic component models and connections in the substation secondary circuit are decomposed into minimum units, and the object attributes of the decomposed minimum units are stored in a database to build a data structure library. The minimum units include virtual circuit connections, optoelectronic circuit connections, and primary components.

[0011] Based on multiple preset file formats and element descriptions, the virtual circuit connection attributes, photoelectric circuit connection attributes and primary element connection attributes in a graphic model corresponding to the substation secondary circuit are matched with the element attributes of each preset file type, and the corresponding substation secondary circuit graphic model is output.

[0012] As an implementation manner, the preset file formats include SSD, SCD and SPCD file formats.

[0013] As an implementation method, the virtual circuit connection attributes, photoelectric circuit connection attributes and primary element connection attributes in a graph model corresponding to the secondary circuit of the substation are all matched with the element attributes of the SSD, SCD and SPCD files.

[0014] As an embodiment, the physical connection characteristics of the photoelectric circuit include the internal and external connection relationship of the secondary element.

[0015] As an implementation method, in the process of establishing all optoelectronic component models in the secondary circuit of the substation, the optoelectronic component models are constructed based on the secondary optoelectronic circuit design method and the optical fiber physical model method.

[0016] A second aspect of the present invention provides a one-drawing model design system for a substation secondary circuit.

[0017] In one or more embodiments, a substation secondary circuit one-drawing model design system includes:

[0018] A photoelectric element model building module is used to build models of all photoelectric elements in the secondary circuit of the substation according to the subordinate relationships of the photoelectric elements in the secondary circuit of the substation;

[0019] Internal and external connection relationship building module, which is used to combine the internal connection and external connection of each photoelectric element in the secondary circuit of the substation to form a complete path according to the physical connection characteristics of the photoelectric circuit;

[0020] The minimum unit disassembly module is used to disassemble all optoelectronic component models and connections of the substation secondary circuit into the smallest unit, and then store the object attributes of the smallest unit in the database to build a data structure library; the smallest unit includes virtual circuit connection, optoelectronic circuit connection and primary component;

[0021] A one-graph model matching module is used to match the virtual circuit connection attributes, photoelectric circuit connection attributes and primary element connection attributes in the one-graph model corresponding to the substation secondary circuit with the element attributes of each preset type file based on multiple preset type file formats and element descriptions, and output the corresponding one-graph model of the substation secondary circuit.

[0022] As an implementation manner, in the one-image model matching module, the preset file formats include SSD, SCD and SPCD file formats.

[0023] As an implementation method, in the one-graph model matching module, the virtual circuit connection attributes, photoelectric circuit connection attributes and primary element connection attributes in the one-graph model corresponding to the secondary circuit of the substation are all matched with the SSD, SCD and SPCD file element attributes.

[0024] A third aspect of the present invention provides a method for analyzing a one-graph model of a substation secondary circuit.

[0025] In one or more embodiments, the substation secondary circuit one-graph model is designed using the substation secondary circuit one-graph model design method as described above;

[0026] The analytical method of the substation secondary circuit one-graph model includes:

[0027] Based on a one-graph model of the substation secondary circuit, the correspondence between the primary bay and the secondary panel cabinet is obtained, and the connection information of each panel cabinet, terminal block, board card and component is obtained. The connection relationship between the panel cabinet, terminal block and board card is formed by connecting the minimum elements;

[0028] Based on the principle of substation secondary circuit, the circuit connection is automatically selected according to different circuit types by using component connection properties;

[0029] By sorting out the index relationships between various preset types of files, organizing the optical circuit signals and virtual circuit signals in the substation, and realizing optical and electrical interconnection through optical and electrical signal mapping, the full path diagram of the optical circuit and electrical circuit corresponding to a diagram model of the substation secondary circuit is parsed.

[0030] A fourth aspect of the present invention provides a system for analyzing a one-graph model of a substation secondary circuit.

[0031] In one or more embodiments, the substation secondary circuit one-graph model is designed using the substation secondary circuit one-graph model design method as described above;

[0032] The analytical system for the one-graph model of the substation secondary circuit includes:

[0033] The connection relationship construction module is used to obtain the correspondence between the primary bay and the secondary panel cabinet based on the one-diagram model of the substation secondary circuit, obtain the connection information of each panel cabinet, terminal block, board card and component, and use the minimum element connection to form the connection relationship between the panel cabinet, terminal block and board card;

[0034] The loop connection screening module is used to automatically screen loop connections according to different loop types based on the principle of substation secondary circuits and the connection properties of components;

[0035] The full-path diagram parsing module is used to sort out the index relationships between multiple preset types of files, organize the optical circuit signals and virtual circuit signals in the substation, realize optical and electrical interconnection through optical and electrical signal mapping, and parse the full-path diagram of the optical and electrical circuits corresponding to a diagram model of the substation secondary circuit.

[0036] A fifth aspect of the present invention provides a computer device.

[0037] In one or more embodiments, a computer device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, the steps in the one-drawing model design method for a substation secondary circuit are implemented as described above.

[0038] In another one or more embodiments, a computer device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, the steps of the method for analyzing a one-graph model of a secondary circuit of a substation as described above are implemented.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] (1) The present invention provides a one-graph model design method and system for a substation secondary circuit, which constructs all optoelectronic element models in the substation secondary circuit through the subordinate relationship of optoelectronic elements in the substation secondary circuit, and then constructs the internal and external connection relationship of the optoelectronic elements according to the physical connection characteristics of the optoelectronic circuit, and then disassembles them into the smallest unit. Finally, through the interactive fusion method of SCD, SSD, and SPCD models, the virtual circuit connection attributes, optoelectronic circuit connection attributes, and primary element connection attributes in the one-graph model corresponding to the substation secondary circuit are matched with the element attributes of each preset type file. Based on the one-graph design idea, a panoramic modeling and storage method covering the substation is constructed to form a complete secondary circuit one-graph model design. Based on the standardized substation secondary system information model, by constructing the optical fiber logical connection diagram, optical fiber physical connection diagram, cable physical connection diagram, key circuit diagram, etc., the advantages of intelligent substation information digitization and communication networking are maximized, and graphical display is performed in an object-oriented manner. After the substation drawing data is sorted, the structure is reconstructed and associated with the object. At the same time, the corresponding link and device debugging and detection work is automated, reducing manpower consumption and improving work safety.

[0041] (2) The present invention provides a method and system for parsing a one-picture model of a substation secondary circuit. Based on the one-picture model of the substation secondary circuit, the method obtains the corresponding relationship between the primary interval and the secondary panel cabinet, obtains the connection information of each panel cabinet, terminal block, board card and component, and uses the minimum element connection to form the connection relationship between the panel cabinet, terminal block and board card; by sorting out the index relationship between multiple preset types of files, organizing the optical circuit signals and virtual circuit signals in the substation, realizing optical and electrical interconnection in the form of optical signal mapping, and parsing to obtain the full path diagram of the optical circuit and electrical circuit corresponding to the one-picture model of the substation secondary circuit, which is beneficial for inspection or maintenance personnel to fully understand and master the secondary circuit system of the intelligent substation, and improve the debugging and operation and maintenance efficiency of the substation.

[0042] Advantages of additional aspects of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0044] Figure 1 This is a flow chart of a one-graph model design method for a substation secondary circuit according to an embodiment of the present invention;

[0045] FIG2( a ) is a diagram of optical circuit element properties according to an embodiment of the present invention;

[0046] FIG2( b ) is a diagram of electrical circuit element properties according to an embodiment of the present invention;

[0047] Figure 3 This is a schematic diagram of the structure of a substation secondary circuit one-drawing model design system according to an embodiment of the present invention;

[0048] Figure 4 This is a flow chart of a method for analyzing a substation secondary circuit one-graph model according to an embodiment of the present invention;

[0049] Figure 5 This is a diagram showing the connection of elements in a diagram according to an embodiment of the present invention;

[0050] Figure 6 The present invention is a schematic diagram of the analytical system structure of a substation secondary circuit one-graph model according to an embodiment of the present invention. DETAILED DESCRIPTION

[0051] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0052] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present invention belongs.

[0053] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0054] Example 1

[0055] Reference Figure 1 This embodiment provides a substation secondary circuit one-graph model design method, which includes:

[0056] S101: Establish models of all photoelectric components in the secondary circuit of the substation according to the subordinate relationships of the photoelectric components in the secondary circuit of the substation.

[0057] Specifically, in the process of establishing the models of all optoelectronic components in the secondary circuit of the substation, the optoelectronic component models are constructed based on the secondary optoelectronic circuit design method and the optical fiber physical model method.

[0058] S102: Based on the physical connection characteristics of the photoelectric circuit, the internal connections and external connections of each photoelectric element in the secondary circuit of the substation are combined to form a complete path.

[0059] In step S102, the physical connection characteristics of the optoelectronic circuit include the internal and external connection relationship of the secondary element.

[0060] Specifically, we study strategies to address the differences in electrical circuit component models, such as how to determine the internal nodes of components, so that the internal and external connections of components can be combined to form a complete path.

[0061] S103: Decomposing all optoelectronic component models and connections of the substation secondary circuit into minimum units, and then storing the object attributes of the minimum units in a database to construct a data structure library; wherein the minimum units include virtual circuit connections, optoelectronic circuit connections, and primary components;

[0062] S104: Based on multiple preset file formats and element descriptions, the virtual circuit connection attributes, optical circuit connection attributes, and primary element connection attributes in a graph model corresponding to the substation secondary circuit are matched with the element attributes of each preset file type, and the corresponding substation secondary circuit graph model is output. The optical circuit element attribute graph and the electrical circuit element attribute graph are shown in Figures 2(a) and 2(b), respectively.

[0063] In step S104 , the preset file formats include SSD, SCD and SPCD file formats.

[0064] Among them, the virtual circuit connection attributes, photoelectric circuit connection attributes and primary element connection attributes in a graph model corresponding to the secondary circuit of the substation all correspond to the element attributes of the SSD, SCD and SPCD files.

[0065] Specifically, in combination with the smart substation pilot project, the model design is carried out according to the one-drawing model design method of the smart substation secondary circuit, and the model file is submitted to the project site for practical application.

[0066] This embodiment constructs a primary schematic model method based on the SSD concept, and constructs a panoramic modeling and storage method for substations based on the one-picture design concept. Through the interactive fusion method of SCD, SSD, and SPCD models, a complete secondary circuit one-picture model design is formed. Based on the standardized substation secondary system information model, by constructing the optical fiber logical connection diagram, optical fiber physical connection diagram, cable physical connection diagram, key circuit diagram, etc., while maximizing the advantages of intelligent substation information digitization and communication networking, graphically displaying in an object-oriented manner, organizing the substation drawings and materials, and then structurally reconstructing and associating them with objects, the specific components of the secondary system can be displayed on the PC: such as intelligent devices, switches, optical fibers, configuration tools, etc. At the same time, the corresponding link and device debugging and detection work is automated, reducing manpower consumption and improving work safety.

[0067] Example 2

[0068] Reference Figure 3 This embodiment provides a substation secondary circuit one-drawing model design system, which includes:

[0069] Photoelectric element model building module 301, which is used to build all photoelectric element models in the secondary circuit of the substation according to the subordination relationship of the photoelectric elements in the secondary circuit of the substation;

[0070] Internal and external connection relationship building module 302, which is used to combine the internal connection and external connection of each photoelectric element in the secondary circuit of the substation to form a complete path according to the physical connection characteristics of the photoelectric circuit;

[0071] The minimum unit disassembly module 303 is used to disassemble all optoelectronic component models and connections of the substation secondary circuit into minimum units, and then store the object attributes of the minimum units in the database to build a data structure library; wherein the minimum units include virtual circuit connections, optoelectronic circuit connections and primary components;

[0072] A one-graph model matching module 304 is used to match the virtual circuit connection attributes, photoelectric circuit connection attributes, and primary element connection attributes in the one-graph model corresponding to the substation secondary circuit with the element attributes of each preset type file based on multiple preset type file formats and element descriptions, and output the corresponding one-graph model of the substation secondary circuit.

[0073] Among them, in the one-image model matching module, the preset file formats include SSD, SCD and SPCD file formats.

[0074] In the one-graph model matching module, the virtual circuit connection attributes, photoelectric circuit connection attributes and primary element connection attributes in the one-graph model corresponding to the secondary circuit of the substation are all matched with the element attributes of the SSD, SCD and SPCD files.

[0075] It should be noted here that the various modules in this embodiment correspond one-to-one to the various steps in Example 1, and the specific implementation processes are the same, which will not be repeated here.

[0076] Example 3

[0077] Reference Figure 4 ,This embodiment provides a method for analyzing a one-graph model of a substation secondary circuit.

[0078] The substation secondary circuit one-graph model of this embodiment is designed using the substation secondary circuit one-graph model design method described above;

[0079] Specifically, the analytical method of the substation secondary circuit one-graph model includes:

[0080] S401: Based on a one-graph model of the substation secondary circuit, obtain the correspondence between the primary bay and the secondary panel cabinet, obtain the connection information of each panel cabinet, terminal block, board card and component, and use the minimum element connection to form the connection relationship between the panel cabinet, terminal block and board card.

[0081] For example: through the connection method of panel cabinets, boards, and terminal blocks, the connection information of each panel cabinet, terminal block, board card and component is obtained from the model, and the minimum element connection is used to form the connection relationship between the panel cabinet, terminal block and board card.

[0082] S402: Based on the principle of substation secondary circuit, the circuit connection is automatically screened according to different circuit types using component connection properties.

[0083] S403: By combing the index relationship between multiple preset types of files, sorting out the optical circuit signals and virtual circuit signals in the substation, realizing optical and electrical interconnection by means of optical and electrical signal mapping, and parsing the full path diagram of the optical circuit and electrical circuit corresponding to the one-graph model of the substation secondary circuit. Figure 5 shown.

[0084] For example: by sorting out the index relationship between SCD, SPCD, and SSD files, the optical circuit signals and virtual circuit signals in the substation are sorted out, and optical circuit interconnection is achieved through optical circuit signal mapping.

[0085] In conjunction with the smart substation pilot project, the model is analyzed according to the one-graph model analysis method of the smart substation secondary circuit. The full path diagram of the optical circuit and electrical circuit can be viewed through the equipment board ports and terminal block terminals, and the model analysis results are submitted to the project site for practical application.

[0086] Example 4

[0087] Reference Figure 6 ,This embodiment provides a system for analyzing a one-graph model of a substation secondary circuit.

[0088] The substation secondary circuit one-graph model is designed using the substation secondary circuit one-graph model design method described above;

[0089] The analytical system for the one-graph model of the substation secondary circuit includes:

[0090] The connection relationship building module 601 is used to obtain the corresponding relationship between the primary bay and the secondary panel cabinet based on the one-graph model of the substation secondary circuit, obtain the connection information of each panel cabinet, terminal block, board card and component, and use the minimum element connection to form the connection relationship between the panel cabinet, terminal block and board card;

[0091] The circuit connection screening module 602 is used to automatically screen circuit connections according to different circuit types based on the principle of substation secondary circuits and component connection properties;

[0092] The full path diagram parsing module 603 is used to organize the optical circuit signals and virtual circuit signals in the substation by sorting out the index relationships between multiple preset types of files, realize optical and electrical interconnection by means of optical and electrical signal mapping, and parse the full path diagram of the optical circuit and electrical circuit corresponding to a diagram model of the substation secondary circuit.

[0093] It should be noted here that the various modules in this embodiment correspond one-to-one to the various steps in Example 3, and the specific implementation processes are the same, which will not be repeated here.

[0094] Example 5

[0095] This embodiment provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, the steps in the one-diagram model design method for a substation secondary circuit as described in the first embodiment are implemented.

[0096] Example 6

[0097] This embodiment provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, the steps of the method for analyzing a one-graph model of a substation secondary circuit as described in the third embodiment are implemented.

[0098] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Thus, the present invention may take the form of hardware embodiments, software embodiments, or embodiments combining software and hardware. Furthermore, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage and optical storage, etc.) containing computer-usable program code.

[0099] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems) and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowcharts and / or block diagrams, as well as combinations of processes and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowcharts and / or block diagrams. Figure 1 a process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0100] Those skilled in the art will appreciate that all or part of the processes in the above-described method embodiments can be implemented by instructing related hardware through a computer program. The program can be stored in a computer-readable storage medium, and when executed, the program can include the processes in the above-described method embodiments. The storage medium can be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

[0101] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A one-graph model design method for a substation secondary circuit, characterized in that: include: According to the subordinate relationship of the photoelectric components in the secondary circuit of the substation, the model of all the photoelectric components in the secondary circuit of the substation is established; Based on the physical connection characteristics of the optoelectronic circuit, the internal and external connections of each optoelectronic element in the secondary circuit of the substation are combined to form a complete path; All optoelectronic component models and connections in the substation secondary circuit are decomposed into minimum units, and the object attributes of the decomposed minimum units are stored in a database to build a data structure library. The minimum units include virtual circuit connections, optoelectronic circuit connections, and primary components. Based on multiple preset file formats and element descriptions, the virtual circuit connection attributes, photoelectric circuit connection attributes, and primary element connection attributes in a diagram model corresponding to the substation secondary circuit are matched with the element attributes of each preset file type, and the corresponding substation secondary circuit diagram model is output; The preset file formats include SSD, SCD and SPCD file formats; By sorting out the index relationships between various preset types of files, organizing the optical circuit signals and virtual circuit signals in the substation, and realizing optical and electrical interconnection through optical and electrical signal mapping, the full path diagram of the optical circuit and electrical circuit corresponding to a diagram model of the substation secondary circuit is parsed.

2. The substation secondary circuit one-graph model design method according to claim 1, characterized in that: The virtual circuit connection attributes, photoelectric circuit connection attributes, and primary element connection attributes in a graphic model corresponding to the secondary circuit of the substation all correspond to the element attributes of the SSD, SCD, and SPCD files.

3. The substation secondary circuit one-graph model design method according to claim 1, characterized in that: The physical connection characteristics of the photoelectric circuit include the internal and external connection relationship of the secondary element; or In the process of establishing the models of all optoelectronic components in the secondary circuit of the substation, the optoelectronic component models are constructed based on the secondary optoelectronic circuit design method and the optical fiber physical model method.

4. A substation secondary circuit one-drawing model design system, characterized by: include: A photoelectric element model building module is used to build models of all photoelectric elements in the secondary circuit of the substation according to the subordinate relationships of the photoelectric elements in the secondary circuit of the substation; Internal and external connection relationship building module, which is used to combine the internal connection and external connection of each photoelectric element in the secondary circuit of the substation to form a complete path according to the physical connection characteristics of the photoelectric circuit; The minimum unit disassembly module is used to disassemble all optoelectronic component models and connections of the substation secondary circuit into the smallest unit, and then store the object attributes of the smallest unit in the database to build a data structure library; the smallest unit includes virtual circuit connection, optoelectronic circuit connection and primary component; A graph model matching module is used to match the virtual circuit connection attributes, photoelectric circuit connection attributes, and primary element connection attributes in a graph model corresponding to the substation secondary circuit with the element attributes of each preset file type based on multiple preset file formats and element descriptions, and output the corresponding substation secondary circuit graph model; the preset file formats include SSD, SCD, and SPCD file formats; By sorting out the index relationships between various preset types of files, organizing the optical circuit signals and virtual circuit signals in the substation, and realizing optical and electrical interconnection through optical and electrical signal mapping, the full path diagram of the optical circuit and electrical circuit corresponding to a diagram model of the substation secondary circuit is parsed.

5. The substation secondary circuit one-graph model design system according to claim 4, characterized in that: In the one-graph model matching module, the virtual circuit connection attributes, photoelectric circuit connection attributes and primary element connection attributes in the one-graph model corresponding to the secondary circuit of the substation are all matched with the element attributes of the SSD, SCD and SPCD files.

6. The substation secondary circuit one-graph model design system according to claim 4, characterized in that: The physical connection characteristics of the photoelectric circuit include the internal and external connection relationship of the secondary element; or In the process of establishing the models of all optoelectronic components in the secondary circuit of the substation, the optoelectronic component models are constructed based on the secondary optoelectronic circuit design method and the optical fiber physical model method.

7. A method for analyzing a one-graph model of a substation secondary circuit, characterized in that: The substation secondary circuit one-graph model is designed by the substation secondary circuit one-graph model design method according to any one of claims 1 to 3; The analytical method for the one-graph model of the substation secondary circuit includes: Based on a one-graph model of the substation secondary circuit, the correspondence between the primary bay and the secondary panel cabinet is obtained, and the connection information of each panel cabinet, terminal block, board card and component is obtained. The connection relationship between the panel cabinet, terminal block and board card is formed by connecting the minimum elements; Based on the principle of substation secondary circuit, the circuit connection is automatically selected according to different circuit types by using component connection properties; By sorting out the index relationships between various preset types of files, organizing the optical circuit signals and virtual circuit signals in the substation, and realizing optical and electrical interconnection through optical and electrical signal mapping, the full path diagram of the optical circuit and electrical circuit corresponding to a diagram model of the substation secondary circuit is parsed.

8. A system for analyzing a one-graph model of a substation secondary circuit, characterized in that: The substation secondary circuit one-graph model is designed by the substation secondary circuit one-graph model design method according to any one of claims 1 to 3; The analytical system for the one-graph model of the substation secondary circuit includes: The connection relationship construction module is used to obtain the correspondence between the primary bay and the secondary panel cabinet based on the one-diagram model of the substation secondary circuit, obtain the connection information of each panel cabinet, terminal block, board card and component, and use the minimum element connection to form the connection relationship between the panel cabinet, terminal block and board card; The loop connection screening module is used to automatically screen loop connections according to different loop types based on the principle of substation secondary circuits and the connection properties of components; The full-path diagram parsing module is used to sort out the index relationships between multiple preset types of files, organize the optical circuit signals and virtual circuit signals in the substation, realize optical and electrical interconnection through optical and electrical signal mapping, and parse the full-path diagram of the optical and electrical circuits corresponding to a diagram model of the substation secondary circuit.

9. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the steps of the substation secondary circuit one-graph model design method according to any one of claims 1 to 3 are implemented.

10. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the steps of the method for analyzing a one-graph model of a substation secondary circuit are implemented as claimed in claim 7.

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