Global secondary circuit visualization and rapid locating method and apparatus

Abstract

The present invention relates to the technical field of data processing. Disclosed are a global secondary circuit visualization and rapid locating method and apparatus. The method comprises: acquiring a primitive model of each power secondary device in a global secondary system circuit of a transformer substation, wherein the primitive model is represented by a scalable vector graph, and using a Laplacian matrix corresponding to the scalable vector graph as modeling attribute information of the primitive model; adding the primitive model into a global secondary system data model and an information flow model of the transformer substation to form a global secondary system circuit of the transformer substation; acquiring a power secondary device graph of which the location is to be determined and which is input by an operation and maintenance person, and determining a Laplacian matrix of the power secondary device graph; and using a similarity matrix algorithm to determine the location of said power secondary device graph in the global secondary system circuit. The exact location of any model in a digital drawing in the overall secondary system is quickly determined.

Description

A global secondary circuit visualization and rapid positioning method and device Technical Field

[0001] The present invention relates to a global secondary circuit visualization and rapid positioning method and device thereof, belonging to the technical field of data processing. Background Art

[0002] To ensure the safe operation of the substation or to quickly locate and troubleshoot faults after they occur, on-site technicians need to be familiar with the entire substation secondary protection system. Unlike the full-station information management and control of smart substations, conventional substation secondary circuits contain a large number of actual device interfaces. Information such as the connection relationships and signal exchanges between power equipment is recorded on different media such as manufacturer schematics and visualization software programs. These media cannot independently display the substation secondary protection system in a complete, clear, and intuitive manner. On-site technicians need to collect relevant information about the substation secondary protection system from different media, which is a huge information retrieval workload. It is impossible to quickly locate the power secondary equipment in the entire secondary circuit, which greatly increases the difficulty of overall substation operation and maintenance.

[0003] Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the existing technology and provide a global secondary circuit visualization and rapid positioning method and device, which can quickly determine the specific position of any model in the digital drawing in the overall secondary system, greatly reducing the difficulty of overall operation and maintenance of the substation.

[0005] In a first aspect, the present invention provides a global secondary circuit visualization and rapid positioning method, comprising:

[0006] Obtaining a graphic model of each power secondary device in the global secondary system loop of the substation, wherein the graphic model is represented by a scalable vector graphic, and the Laplace matrix corresponding to the scalable vector graphic is used as modeling attribute information of the graphic model;

[0007] Adding a graphic element model to the substation's global secondary system data model and information flow model to form the substation's global secondary system loop;

[0008] Obtaining a graph of the power secondary equipment at a location to be determined input by an operation and maintenance personnel, and determining a Laplace matrix of the graph of the power secondary equipment;

[0009] The position of the power secondary equipment graph to be determined in the global secondary system loop is determined using a similarity matrix algorithm.

[0010] In combination with the first aspect, the Laplacian matrix corresponding to the scalable vector graphics is used as the modeling attribute information of the primitive model, including:

[0011] Determine each vertex of the scalable vector graphics and the connection relationship between each vertex;

[0012] The Laplacian matrix L=DA of the scalable vector graphics is determined, where D is the degree matrix of the scalable vector graphics, A is the adjacency matrix of the scalable vector graphics, and the Laplacian matrix corresponding to the scalable vector graphics is used as modeling attribute information of the primitive model.

[0013] In combination with the first aspect, determining the Laplace matrix L=DA of the scalable vector graphics includes:

[0014] Construct a revision matrix based on the length of the lines between each vertex and normalize the revision matrix;

[0015] Revise the adjacency matrix using the normalized revised matrix;

[0016] Substitute the revised adjacency matrix into the formula L=DA to determine the Laplacian matrix of the scalable vector graphics.

[0017] In combination with the first aspect, the position of the power secondary equipment graphic to be determined in the global secondary system loop is determined using a similarity matrix algorithm, including:

[0018] A breadth-first search algorithm is used to sequentially obtain a first batch of power secondary equipment graphics connected to a starting position of a global secondary system loop;

[0019] A similarity matrix algorithm is used to calculate whether the Laplace matrix of the first batch of power secondary equipment graphics in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined. If they are similar, the position of the power secondary equipment graphics at the position to be determined in the global secondary system loop is determined, and the operation is terminated. If they are not similar, the next batch of power secondary equipment graphics connected to the first batch of power secondary equipment is obtained, and the similarity matrix algorithm is used to calculate whether the Laplace matrix of the next batch of power secondary equipment graphics is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined, until all power secondary equipment graphics in the global secondary system loop are traversed.

[0020] In combination with the first aspect, if the Laplace matrix of the power secondary equipment graph in the global secondary system loop is not similar to the Laplace matrix of the power secondary equipment graph at the position to be determined, the power secondary equipment corresponding to the power secondary equipment graph in the global secondary system loop is saved in a preset tree storage structure for representing the connection relationship; if the Laplace matrix of the power secondary equipment graph in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graph at the position to be determined, the logical connection relationship of the power secondary equipment in the global secondary system loop is output based on the tree storage structure.

[0021] In the second aspect, a global secondary circuit visualization and rapid positioning device includes:

[0022] A graphic element model acquisition module is used to obtain the graphic element model of each power secondary device in the global secondary system loop of the substation. The graphic element model is represented by a scalable vector graphic, and the Laplace matrix corresponding to the scalable vector graphic is used as the modeling attribute information of the graphic element model;

[0023] The global secondary system loop visualization construction module is used to add graphic element models to the substation's global secondary system data model and information flow model to form the substation's global secondary system loop;

[0024] An input graphic preprocessing module is used to obtain the power secondary equipment graphic of the to-be-determined position input by the operation and maintenance personnel, and determine the Laplace matrix of the power secondary equipment graphic;

[0025] The power secondary equipment positioning module is used to determine the position of the power secondary equipment graphic to be determined in the global secondary system loop using a similarity matrix algorithm.

[0026] In conjunction with the second aspect, the graphic element model acquisition module includes:

[0027] a vertex graph determining unit, configured to determine each vertex of the scalable vector graphics and the connection relationship between each vertex;

[0028] The Laplace matrix calculation unit is used to determine the Laplace matrix L=DA of the scalable vector graphics, where D is the degree matrix of the scalable vector graphics, A is the adjacency matrix of the scalable vector graphics, and the Laplace matrix corresponding to the scalable vector graphics is used as the modeling attribute information of the primitive model.

[0029] In conjunction with the second aspect, the Laplace matrix calculation unit includes:

[0030] A revision matrix calculation subunit, configured to construct a revision matrix based on the lengths of the lines between the vertices and to normalize the revision matrix;

[0031] The revision subunit is used to revise the adjacency matrix using the normalized revision matrix; the revised adjacency matrix is ​​substituted into the formula L=DA to determine the Laplace matrix of the scalable vector graphics.

[0032] In conjunction with the second aspect, the power secondary equipment positioning module includes:

[0033] A search unit is used to sequentially acquire a first batch of power secondary equipment graphics connected to a starting position of a global secondary system loop using a breadth-first search algorithm;

[0034] The matching unit is used to calculate whether the Laplace matrix of the first batch of power secondary equipment graphics in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined by using a similar matrix algorithm. If they are similar, the position of the power secondary equipment graphics at the position to be determined in the global secondary system loop is determined, and the operation is terminated; if they are not similar, the next batch of power secondary equipment graphics connected to the first batch of power secondary equipment is continued to be obtained, and the similar matrix algorithm is used to calculate whether the Laplace matrix of the next batch of power secondary equipment graphics is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined by using a similar matrix algorithm, until all power secondary equipment graphics in the global secondary system loop are traversed.

[0035] In conjunction with the second aspect, the matching unit includes:

[0036] The logical relationship acquisition subunit is used to save the power secondary equipment corresponding to the power secondary equipment graph in the global secondary system loop into a preset tree storage structure for representing the connection relationship if the Laplace matrix of the power secondary equipment graph in the global secondary system loop is not similar to the Laplace matrix of the power secondary equipment graph at the position to be determined; and output the logical connection relationship of the power secondary equipment in the global secondary system loop based on the tree storage structure if the Laplace matrix of the power secondary equipment graph in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graph at the position to be determined.

[0037] In a third aspect, the present invention provides an electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of any one of the methods of the first aspect when executing the program.

[0038] In a fourth aspect, the present invention provides a computer-readable storage medium having a computer program stored thereon, which implements the steps of any one of the methods in the first aspect when executed by a processor.

[0039] The beneficial effects achieved by the present invention are:

[0040] The present invention provides a global secondary circuit visualization and rapid positioning method and device thereof, which obtains the graphic element model of each power secondary device in the global secondary system circuit of the substation, and the graphic element model is represented by a scalable vector graphic, and the Laplace matrix corresponding to the scalable vector graphic is used as the modeling attribute information of the graphic element model; the graphic element model is added to the global secondary system data model and information flow model of the substation to form the global secondary system circuit of the substation; the graphic of the power secondary device at the to-be-determined position input by the operation and maintenance personnel is obtained, and the Laplace matrix of the graphic of the power secondary device is determined; the power secondary device at the to-be-determined position is determined by a similarity matrix algorithm The position of the equipment graphics in the global secondary system loop is determined by establishing the basic characteristics of the graphic element Laplace matrix representation diagram, realizing graphic element matching and recognition through the similarity matrix algorithm, and using the breadth-first search algorithm to determine the target model position in the secondary system. The association and jump between the coil and the contact in the schematic diagram are realized, the position of the corresponding graphic element is determined, and a fast positioning function is realized. After positioning, the global secondary system loop of the substation is constructed, and more information such as the secondary drawing component characteristics of the corresponding graphic element is further obtained, which facilitates the management of the power secondary equipment by the operation and maintenance personnel, and facilitates the operation and maintenance personnel to quickly determine the specific position of any model in the digital drawing in the overall secondary system. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] FIG1 is a flow chart of some embodiments of the present application;

[0042] FIG2 is a schematic diagram of the structure of a computer device suitable for use in a terminal or server of the present application in some embodiments of the present application;

[0043] FIG3 is a schematic diagram of scalable vector graphics in some embodiments of the present application;

[0044] FIG4 is a schematic diagram of a degree matrix constructed based on the scalable vector graphics shown in FIG3 ;

[0045] FIG. 5 is a schematic diagram of an adjacency matrix constructed based on the scalable vector graphics shown in FIG. 3 . DETAILED DESCRIPTION

[0046] To facilitate the technical solution of the application, some concepts involved in this application are first explained below.

[0047] This application uses scalable vector graphics (SVG) technology to convert the substation secondary system power equipment into a machine-recognizable graphical logical device. SVG scalable vector graphics is a graphic format based on extensible markup language (XML) for describing two-dimensional vector graphics. Simple geometric figures in vector graphics can be determined with only a few characteristic values. For example, for a triangle, it is only necessary to determine the coordinates of the three vertices. For a circle, it is only necessary to determine the coordinates of the center and the radius. Curves whose functions are known can also be determined with only a few parameters. Such as sine curves, various spirals, and so on. The vector graphics of this application are a kind of graphic edges including straight lines and curves, so the primitive Laplace matrix can be established for it like studying graph theory to characterize its basic characteristics.

[0048] The Laplacian matrix, also called the admittance matrix, Kirchhoff matrix or discrete Laplacian operator, is mainly used in graph theory as a matrix representation of a graph.

[0049] Referring to Figure 1, the present application provides a method for visualizing and quickly locating a global secondary circuit, including: step S1: obtaining a graphic model of each power secondary device in the global secondary system circuit of the substation, the graphic model is represented by a scalable vector graphic, and the Laplace matrix corresponding to the scalable vector graphic is used as the modeling attribute information of the graphic model; step S2: adding the graphic model to the global secondary system data model and information flow model of the substation to form the global secondary system circuit of the substation. In this step, the secondary system data model, the information flow model and the graphic model are taken as a unified whole, and the graphic model with the attached modeling attribute information is used to construct the global secondary system circuit of the substation, so that the graphic and the actual power equipment of the secondary system correspond one to one; step S3: obtaining the graphic of the power secondary equipment to be determined input by the operation and maintenance personnel, and determining the Laplace matrix of the graphic of the power secondary equipment; step S4: determining the position of the graphic of the power secondary equipment to be determined in the global secondary system circuit by using a similarity matrix algorithm. The present invention establishes the basic characteristics of the graph represented by the Laplace matrix of the graphic element, realizes graphic element matching and recognition through the similarity matrix algorithm, uses the breadth-first search algorithm to determine the position of the target model in the secondary system, realizes the association and jump between the coil and the contact in the schematic diagram, determines the position of the corresponding graphic element, and realizes the rapid positioning function. After positioning, the global secondary system loop of the substation is constructed, and further information such as the secondary drawing component characteristics of the corresponding graphic element is obtained, which facilitates the management of the power secondary equipment by the operation and maintenance personnel.

[0050] In an embodiment of the present application, the Laplace matrix corresponding to the scalable vector graphics is used as the modeling attribute information of the primitive model, including: determining the connection relationship between each vertex of the scalable vector graphics and each vertex; determining the Laplace matrix L=DA of the scalable vector graphics, where D is the degree matrix of the scalable vector graphics, and A is the adjacency matrix of the scalable vector graphics, and using the Laplace matrix corresponding to the scalable vector graphics as the modeling attribute information of the primitive model. For the scalable vector graphics shown in Figure 3, the constructed degree matrix is ​​shown in Figure 4, and the constructed adjacency matrix is ​​shown in Figure 5, thereby constructing the Laplace matrix according to step S12. For example, vertex 2 in Figure 3 is connected to vertex 1, vertex 3, and vertex 5, that is, the degree of vertex 2 is 3, and in Figure 4, the value of the second row and second column of the degree matrix is ​​3. Correspondingly, in Figure 5, the second row, first column, third column, and fifth column of the adjacency matrix are 1 respectively.

[0051] In an embodiment of the present application, determining the Laplacian matrix L=DA of a scalable vector graphic includes: constructing a revision matrix based on the length of the connection lines between each vertex, and normalizing the revision matrix; revising the adjacency matrix using the normalized revision matrix; for example, if the length of the connection line from vertex 4 to vertex 6 in FIG3 is 2, and the length of all other connection lines is 1, then before normalization of the revision matrix, the value of the fourth row and sixth column is 2, and the value at other locations where the connection lines exist is 1; after normalization, the value of the fourth row and sixth column is 1, and the value at other locations where the connection lines exist is 0.5. Through the revision of this embodiment, the length of the connection lines of the vector graphic can be further incorporated into the attribute description of the power secondary equipment, making the calculation of the similarity matrix in the subsequent steps more accurate.

[0052] Substitute the revised adjacency matrix into the formula L=DA to determine the Laplacian matrix of the scalable vector graphics.

[0053] In an embodiment of the present application, a similarity matrix algorithm is used to determine the position of the power secondary equipment graph at the to-be-determined position in the global secondary system loop, including: using a breadth-first search algorithm to sequentially obtain the first batch of power secondary equipment graphs connected to the starting position from the starting position of the global secondary system loop; using a similarity matrix algorithm to calculate whether the Laplace matrix of the first batch of power secondary equipment graphs in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graph at the to-be-determined position; if so, determining the position of the power secondary equipment graph at the to-be-determined position in the global secondary system loop, and terminating the operation; if the Laplace matrices of the first batch of power secondary equipment graphs are not similar to the Laplace matrices of the power secondary equipment graph at the to-be-determined position, continuing to obtain the next batch of power secondary equipment graphs connected to the first batch of power secondary equipment, and using a similarity matrix algorithm to calculate whether the Laplace matrix of the next batch of power secondary equipment graphs is similar to the Laplace matrix of the power secondary equipment graph at the to-be-determined position, until all power secondary equipment graphs in the global secondary system loop are traversed. If the Laplace matrix of the electric secondary device graph in the global secondary system loop is not similar to the Laplace matrix of the electric secondary device graph at the position to be determined, the electric secondary device corresponding to the electric secondary device graph in the global secondary system loop is saved in a preset tree storage structure for representing connection relationships; if the Laplace matrix of the electric secondary device graph in the global secondary system loop is similar to the Laplace matrix of the electric secondary device graph at the position to be determined, the logical connection relationship of the electric secondary device in the global secondary system loop is output based on the tree storage structure. This embodiment uses the tree storage structure to more quickly determine the loop attributes and logical connection relationships of similar electric secondary devices after matching them, thereby improving the response speed of operation and maintenance.

[0054] In an embodiment of the present application, the present invention provides a global secondary circuit visualization and rapid positioning device, including: a graphic element model acquisition module, used to obtain the graphic element model of each power secondary device in the global secondary system circuit of the substation, the graphic element model is represented by a scalable vector graphic, and the Laplace matrix corresponding to the scalable vector graphic is used as the modeling attribute information of the graphic element model; a global secondary system circuit visualization construction module, used to add the graphic element model to the global secondary system data model and information flow model of the substation to form the global secondary system circuit of the substation; an input graphic preprocessing module, used to obtain the power secondary equipment graphic of the to-be-determined position input by the operation and maintenance personnel, and determine the Laplace matrix of the power secondary equipment graphic; a power secondary equipment positioning module, used to determine the position of the power secondary equipment graphic of the to-be-determined position in the global secondary system circuit using a similarity matrix algorithm.

[0055] In an embodiment of the present application, the primitive model acquisition module includes: a vertex graph determination unit, used to determine the vertices of the scalable vector graphics and the connection relationship between the vertices; a Laplace matrix calculation unit, used to determine the Laplace matrix L=DA of the scalable vector graphics, where D is the degree matrix of the scalable vector graphics, and A is the adjacency matrix of the scalable vector graphics, and the Laplace matrix corresponding to the scalable vector graphics is used as the modeling attribute information of the primitive model.

[0056] In an embodiment of the present application, the Laplacian matrix calculation unit includes: a revision matrix calculation subunit, which is used to construct a revision matrix based on the length of the connection between each vertex and normalize the revision matrix; a revision subunit, which is used to revise the adjacency matrix with the normalized revision matrix; and the revised adjacency matrix is ​​substituted into the formula L=DA to determine the Laplacian matrix of the scalable vector graphics.

[0057] In an embodiment of the present application, the power secondary equipment positioning module includes: a search unit, which is used to use a breadth-first search algorithm to sequentially obtain the first batch of power secondary equipment graphics connected to the starting position from the starting position of the global secondary system loop; a matching unit, which is used to use a similarity matrix algorithm to calculate whether the Laplace matrix of the first batch of power secondary equipment graphics in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined. If similar, the position of the power secondary equipment graphics at the position to be determined in the global secondary system loop is determined, and the operation is terminated; if the Laplace matrices of the first batch of power secondary equipment graphics are not similar to the Laplace matrices of the power secondary equipment graphics at the position to be determined, then continue to obtain the next batch of power secondary equipment graphics connected to the first batch of power secondary equipment, and use the similarity matrix algorithm to calculate whether the Laplace matrix of the next batch of power secondary equipment graphics is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined, until all power secondary equipment graphics in the full domain secondary system loop are traversed.

[0058] In an embodiment of the present application, the matching unit includes: a logical relationship acquisition subunit, which is used to save the power secondary equipment corresponding to the power secondary equipment graph in the global secondary system loop into a preset tree storage structure for representing the connection relationship if the Laplace matrix of the power secondary equipment graph in the global secondary system loop is not similar to the Laplace matrix of the power secondary equipment graph at the position to be determined; if the Laplace matrix of the power secondary equipment graph in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graph at the position to be determined, output the logical connection relationship of the power secondary equipment in the global secondary system loop based on the tree storage structure.

[0059] In an embodiment of the present application, the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of any of the above methods when executing the program.

[0060] In an embodiment of the present application, the present invention provides a computer-readable storage medium having a computer program stored thereon, which implements the steps of any of the above methods when executed by a processor.

[0061] Referring to Figure 2, a schematic diagram of the structure of a computer device 400 suitable for implementing the embodiments of the present application is shown. The computer device shown in Figure 2 is only an example and should not limit the functions and scope of use of the embodiments of the present application.

[0062] As shown in FIG2 , a computer device 400 includes a central processing unit (CPU) 401, which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) 402 or a program loaded from a storage unit 408 into a random access memory (RAM) 403. Various programs and data required for the operation of the computer device 400 are also stored in the RAM 403. The CPU 401, the read-only memory 402, and the RAM 403 are connected to each other via a bus 404. An input / output interface 405 is also connected to the bus 404.

[0063] The following components are connected to the input / output interface 405: an input section 406 including a keyboard, a mouse, and the like; an output section 407 including devices such as a cathode ray tube (CRT), a liquid crystal display (LCD), and a speaker; a storage section 408 including a hard disk; and a communication section 409 including a network interface card such as a LAN card or a modem. The communication section 409 performs communication processing via a network such as the Internet. A drive 410 is also connected to the input / output interface 405 as needed. A removable medium 411, such as a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory, is installed in the drive 410 as needed, so that a computer program read therefrom can be installed into the storage section 408 as needed.

Claims

1. A global secondary circuit visualization and rapid positioning method, characterized in that: include: Obtaining a graphic model of each power secondary device in the global secondary system loop of the substation, wherein the graphic model is represented by a scalable vector graphic, and a Laplace matrix corresponding to the scalable vector graphic is used as modeling attribute information of the graphic model; Adding a graphic element model to the global secondary system data model and information flow model of the substation to form a global secondary system loop of the substation; Obtaining the power secondary equipment graphics of the to-be-determined position input by the operation and inspection personnel, and determining the Laplace matrix of the power secondary equipment graphics; The position of the electric power secondary equipment graph to be determined in the global secondary system loop is determined using a similarity matrix algorithm.

2. A global secondary circuit visualization and rapid positioning method according to claim 1, characterized in that: The modeling attribute information of the primitive model using the Laplace matrix corresponding to the scalable vector graphics includes: Determine each vertex of the scalable vector graphics and the connection relationship between each vertex; The Laplacian matrix L=DA of the scalable vector graphics is determined, wherein D is the degree matrix of the scalable vector graphics, and A is the adjacency matrix of the scalable vector graphics. The Laplacian matrix corresponding to the scalable vector graphics is used as the modeling attribute information of the primitive model.

3. A global secondary circuit visualization and rapid positioning method according to claim 2, characterized in that: The step of determining the Laplacian matrix L=DA of the scalable vector graphics comprises: Construct a revision matrix based on the length of the lines between each vertex, and normalize the revision matrix; Revise the adjacency matrix using the normalized revised matrix; Substitute the revised adjacency matrix into the formula L=DA to determine the Laplacian matrix of the scalable vector graphics.

4. A global secondary circuit visualization and rapid positioning method according to claim 1, characterized in that: The method of determining the position of the electric power secondary equipment graph to be determined in the global secondary system loop by using a similarity matrix algorithm includes: Using a breadth-first search algorithm, sequentially obtain the first batch of power secondary equipment graphics connected to the starting position from the starting position of the global secondary system loop; The similarity matrix algorithm is used to calculate whether the Laplace matrix of the first batch of power secondary equipment graphics in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined. If they are similar, then the Laplace matrix is ​​confirmed. Determine the position of the electric power secondary equipment graphic to be determined in the global secondary system loop, and end the operation; If not similar, continue to obtain the next batch of power secondary equipment graphics connected to the first batch of power secondary equipment, and use the similarity matrix algorithm to calculate whether the Laplace matrix of the next batch of power secondary equipment graphics is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined, until all power secondary equipment graphics in the full domain secondary system loop are traversed.

5. A global secondary circuit visualization and rapid positioning method according to claim 4, characterized in that: If the Laplace matrix of the electric power secondary equipment graph in the global secondary system loop is not similar to the Laplace matrix of the electric power secondary equipment graph at the position to be determined, the electric power secondary equipment corresponding to the electric power secondary equipment graph in the global secondary system loop is saved in a preset tree storage structure for representing connection relationships; If the Laplace matrix of the power secondary equipment graph in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graph at the position to be determined, the logical connection relationship of the power secondary equipment in the global secondary system loop is output based on the tree storage structure.

6. A global secondary circuit visualization and rapid positioning device, characterized in that: include: A graphic element model acquisition module is used to acquire the graphic element model of each power secondary device in the global secondary system loop of the substation. The graphic element model is represented by a scalable vector graphic, and the Laplace matrix corresponding to the scalable vector graphic is used as the modeling attribute information of the graphic element model; The global secondary system loop visualization construction module is used to add a graphic element model to the global secondary system data model and information flow model of the substation to form the global secondary system loop of the substation; An input graphic preprocessing module is used to obtain the electric power secondary equipment graphic of the to-be-determined position input by the operation and inspection personnel, and determine the Laplace matrix of the electric power secondary equipment graphic; The power secondary equipment positioning module is used to determine the position of the power secondary equipment graphic to be determined in the global secondary system loop by using a similarity matrix algorithm.

7. A global secondary circuit visualization and rapid positioning device according to claim 6, characterized in that: The primitive model acquisition module includes: A vertex graph determination unit, used for determining each vertex of the scalable vector graphics and the connection relationship between each vertex; The Laplace matrix calculation unit is used to determine the Laplace matrix L=DA of the scalable vector graphics, where D is the degree matrix of the scalable vector graphics, A is the adjacency matrix of the scalable vector graphics, and the Laplace matrix corresponding to the scalable vector graphics is used as the modeling attribute information of the primitive model.

8. A global secondary circuit visualization and rapid positioning device according to claim 7, characterized in that: The Laplacian matrix calculation unit includes: A revision matrix calculation subunit, used for constructing a revision matrix based on the length of the connection between each vertex, and normalizing the revision matrix; The revision subunit is used to revise the adjacency matrix with the normalized revision matrix; the revised adjacency matrix is ​​substituted into the formula L=DA to determine the Laplace matrix of the scalable vector graphics.

9. A global secondary circuit visualization and rapid positioning device according to claim 6, characterized in that: The power secondary equipment positioning module includes: A search unit, used for sequentially acquiring a first batch of electric power secondary equipment graphics connected to the starting position from the starting position of the global secondary system loop by using a breadth-first search algorithm; A matching unit is used to calculate whether the Laplace matrix of the first batch of power secondary equipment graphics in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined by using a similar matrix algorithm. If they are similar, the position of the power secondary equipment graphics at the position to be determined in the global secondary system loop is determined, and the operation is terminated; if they are not similar, the next batch of power secondary equipment graphics connected to the first batch of power secondary equipment is continued to be obtained, and the similar matrix algorithm is used to calculate whether the Laplace matrix of the next batch of power secondary equipment graphics is similar to the Laplace matrix of the power secondary equipment graphics at the position to be determined, until all power secondary equipment graphics in the full domain secondary system loop are traversed.

10. A global secondary circuit visualization and rapid positioning device according to claim 9, characterized in that: The matching unit comprises: A logic relationship acquisition subunit is used to save the power secondary equipment corresponding to the power secondary equipment graph in the global secondary system loop into a preset tree storage structure for representing connection relationships if the Laplace matrix of the power secondary equipment graph in the global secondary system loop is not similar to the Laplace matrix of the power secondary equipment graph at the position to be determined; If the Laplace matrix of the power secondary equipment graph in the global secondary system loop is similar to the Laplace matrix of the power secondary equipment graph at the position to be determined, the logical connection relationship of the power secondary equipment in the global secondary system loop is output based on the tree storage structure.

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