170 results about "Wiring diagram" patented technology

The invention discloses a multi-modal depth perception and adaptive segmentation full-spectrum primitive intelligent identification method, system and device for a primary main wiring diagram of a plant station, and a medium, and belongs to the technical field of intelligent identification of engineering drawings of power system plant stations, and the method comprises the steps: fusing the dual-source data of a vector diagram and a grating diagram, and constructing a standard primitive library; secondly, primitive detection is realized by adopting a recognition and segmentation collaborative multi-stage network, and the contour precision is improved through model distillation; secondly, iteratively optimizing the recognition capability of the model on the difficult sample by using an active learning mechanism; and finally, finishing primitive classification and result optimization in combination with deep metric learning and electrical topology constraints. According to the invention, through multi-modal data fusion and multi-scale feature adaptive fusion, the recognition capability of a small target and a fine primitive is improved; by means of a double-branch heterogeneous architecture and a structural distillation mechanism, pixel-level high-precision edge segmentation is realized, and the identification problem of dense adhesion primitives is effectively solved.

A converter station AC filter group circuit breaker abnormal arcing modeling analysis method comprises the following steps: firstly, carrying out time mark alignment, amplitude calibration and filtering de-noising on wave recording signals such as AC bus voltage and filter branch current to obtain high-quality input data; then, combining a primary wiring diagram, enabling an alternating current system to be equivalent to an ideal power supply and series impedance, enabling circuit breaker arcing to be equivalent to arc resistance changing along with time, and constructing an equivalent circuit model comprising the power supply, the impedance, a capacitor, an electric reactor and dynamic arc resistance; establishing a state space equation according to a voltage and current constraint relation, and performing time domain solution by adopting a two-step two-order or three-order diagonal implicit Runge-Kutta method to obtain voltage and current responses of the whole process of the fault; on this basis, the arc resistance change is inversed according to the ratio of arc voltage to current, the current zero passage is identified through the resistance symbol change at adjacent moments, and the zero passage section is smoothed; and finally, the inversion result is verified again by means of the simplified equivalent model.

The invention relates to the technical field of graph generation, in particular to a self-adaptive topological plant station wiring diagram generation method, which comprises the following steps of: acquiring a wiring diagram image, extracting edge features, identifying an image type, positioning a line structure boundary, identifying text elements, classifying corresponding graph areas, and constructing a connection path to generate a topological wiring diagram. According to the method, clear recognition of the structure contour is realized through extraction of the edge features of the line structure of the image, the spatial position information of the graphic area is acquired in combination with a multi-scale primitive positioning technology, and then identity extraction and classification judgment are performed on the text elements contained in the image in a character recognition mode. And establishing a corresponding relationship between the equipment identifier and the graph region, constructing a complete path by combining the graph arrangement direction and the starting and ending coordinates of the connecting line, and determining a connection sequence and a relative position relationship between the equipment. Coordination and unification of spatial arrangement are realized through application of an attraction and repulsive force model between nodes, and clearness and coherence of a wiring diagram in the aspect of topological structure expression are improved.

The invention discloses a wiring diagram recognition method and device based on deep learning and electronic equipment, and the method comprises the steps: carrying out the correction and mask processing of an initial wiring diagram, obtaining a first wiring diagram, and fusing mask parameters and mask skeleton parameters; extracting circuit elements in the first wiring diagram based on fusion mask parameters and mask skeleton parameters, and classifying the circuit elements to obtain a first element set of the first wiring diagram; performing port connection line pairing processing and topological optimization processing on the first element set, and determining a second element set and a corresponding second wiring diagram; according to the second element set, performing multi-dimensional verification and global topological structuring processing on the second wiring diagram to obtain a topological graph data model; and determining a JSON file, a visual topological graph, a VF2 check report and a Neo4j graph database of the wiring diagram according to the structured data in the topological graph data model. According to the invention, a more accurate wiring diagram can be identified.

The invention provides a wiring diagram identification method based on a neural network and computer vision processing, and relates to the technical field of graph model identification, and the method comprises the following steps: inputting a power grid plant station wiring diagram, the wiring diagram format specifically comprising BMP, JPG and PNG; uniformly scaling the wiring diagram to a uniform pixel resolution, processing the power grid plant station wiring diagram, scaling, denoising, detecting circuit breakers and other primitives, correcting the direction, identifying characters, complementing to generate a structured record, reconstructing a wiring topology, associating the primitives, the characters and the topology through multi-modal matching, and finally obtaining the power grid plant station wiring diagram. And finally, a CIM file conforming to IEC61970 is mapped, automatic extraction and standardized conversion of wiring diagram information are achieved, the rotating frame detection and direction restoration technology is adopted, primitives rotating at any angle are accurately recognized, the direction of the primitives is unified, the problem of angle loss of traditional horizontal frame detection is effectively solved, and the detection efficiency is improved. The omission ratio and the repetition rate of dense or multi-scale primitives are reduced, and the robustness of primitive detection is improved.

The invention discloses a non-intrusive power grid wiring diagram switch state identification method and system based on deep learning, a processor and a medium. According to the method, electrical data and switching state data of a power grid are collected and marked, a '1D-CNN + BiLSTM + Transform 'hybrid network model is constructed after preprocessing and feature extraction, and the switching state of the whole network is recognized after training. Power grid equipment does not need to be transformed, an existing mutual inductor is used for collecting data, local mutation, time sequence dependence and global association of electrical data are effectively processed through multi-dimensional feature extraction and a hybrid network model, the accuracy and robustness of on-off state recognition are improved, and the method can be applied to power grid on-off state monitoring in real time. And reliable support is provided for intelligent power grid operation.

The invention relates to an automatic mapping method and system of a standard graph applied to power grid equipment homologous maintenance, and relates to the technical field of power grid mapping, and the method comprises the steps: extracting equipment ledger data, geographic coordinate data and topological connection relation data based on a preset power grid management system, and constructing a power grid equipment knowledge graph; layering the power grid equipment based on the voltage levels in the knowledge graph, and performing initial layout optimization on each layer of equipment by adopting a reinforcement learning model to generate a layered layout result; dynamically calculating the contact positions of the T-shaped wiring and the n-shaped wiring to generate contact coordinates; and generating a power grid logic view and a geographical wiring diagram based on superposition of the contact coordinates and the hierarchical layout result. By automatically generating the power grid logic view and the geographical wiring diagram, the dependency on manpower is greatly reduced, errors caused by personnel in drawing are reduced, and the drawing efficiency is remarkably improved.

The invention relates to the technical field of disconnecting link maintenance and transformation, in particular to an isolation disconnecting link updating and transformation method. The method comprises the following steps: S1, performing inspection and quantitative analysis, performing equipment evaluation and problem diagnosis, and identifying operation problems and function deficiency; s2, performing model selection and material optimization, and setting a standard isolation switch and an electric operation assembly; s3, defining a transformation range, dividing transformation units based on the main wiring diagram, and covering the isolation disconnecting link and the grounding disconnecting link; s4, implementing a safety locking structure, adding an electrified locking and five-prevention system, and accessing whole plant management to prevent misoperation; and S5, accessing a monitoring system, and connecting an LCU screen and a computer monitoring system to realize remote centralized control. The contact resistance and temperature rise of the contact reach the standard, ablation is completely eradicated, the operating force and time are greatly reduced, jamming is returned to zero, the five-prevention locking success rate is extremely high, the misoperation drill can reach the zero penetration level, and the on-site actual effects of mechanical zero jamming, five-prevention zero penetration, remote control zero delay and old and waste utilization are achieved.

The invention relates to the technical field of intelligent power grid fault analysis, in particular to an intelligent power grid fault analysis method and system based on big data. Comprising the following steps: analyzing a power grid physical wiring diagram to construct a node admittance matrix, and extracting modal feature vectors through feature decomposition to generate a topological fingerprint database; synchronously collecting wide-area phasor data streams, dynamically intercepting a data time window, extracting resonance frequency band signals, and generating a fault feature data set through feature enhancement; a modal confidence factor is dynamically evaluated, when the dominant modal confidence coefficient is lower than a threshold value, redundant modals in the node-modal association map are activated, and fault feature vectors are fused and reconstructed; and matching the reconstruction vector with a fingerprint database, performing triple verification, and outputting a fault positioning coordinate or starting a safety protection instruction in combination with a confidence scoring decision. By introducing a dynamic confidence mechanism and a redundancy modal compensation strategy, the accuracy and fault-tolerant capability of fault identification in a new energy disturbance environment are improved.

The invention relates to a method and a system for generating a nuclear island relay protection system graphic structure. The method comprises the following steps: acquiring basic graphic layer data of an initial secondary wiring diagram, and establishing a unique identifier for each graphic element in the basic graphic layer data; and receiving a manual modification operation on the basic graphic layer data and recording the manual modification operation as a manual modification operation record. And when it is detected that the design input data is changed, new basic graph layer data is regenerated according to the changed design input data. Manual modification operation records are read, and for each manual modification operation record, the corresponding graphic element is searched in the new basic graphic layer data according to the unique identifier associated with the record. If the corresponding graphic element is found, the manual modification operation in the old basic graphic layer data is applied to the corresponding graphic element in the new basic graphic layer data according to the type and the parameter stored in the manual modification operation record, and a new-version secondary wiring diagram containing manual modification content is generated.

The application discloses an interactive adaptive generation method and device for a substation main wiring diagram, and belongs to the technical field of intelligent substations. The method comprises the following steps: loading a pre-constructed substation typical design framework template and a bus branch interval template; instantiating the substation typical design framework template and the bus branch interval template to generate a typical design template instance and a branch interval template instance; respectively performing graph module association on the typical design template instance and the branch interval template instance to generate the graph module associated typical design template instance and the graph module associated branch interval template instance; expanding a arrangeable interval according to the graph module associated typical design template instance and the number and form of the branch interval; and based on an interactive diagramming configuration mechanism, arranging the graph module associated branch interval template instance to the arrangeable interval to generate a substation main wiring diagram. The application can solve the problems of non-standard, low efficiency, easy-to-make errors in graph module association and difficult-to-control diagramming effect in automatic diagramming.

The application discloses a kind of test acceptance wiring scheme generation method, device, electronic equipment and storage medium.The method includes obtaining the description file of the secondary system to be accepted, including primary wiring diagram and secondary equipment description diagram;First type representation vector is obtained by graph information analysis to primary wiring diagram, and second type representation vector is obtained by graph information analysis to secondary equipment description diagram;With first type representation vector as the feature vector of simulation query, and with second type representation vector as the feature vector of simulation key, the query analysis based on local neighborhood optimization is carried out to simulation query feature vector and simulation key feature vector to capture the deployment relationship of primary equipment and secondary equipment and obtain wiring scheme semantic representation;Test acceptance wiring scheme diagram of the secondary system to be accepted is generated based on wiring scheme semantic representation.The technical scheme of the application ensures that the generated wiring scheme has comprehensiveness and reliability.

The application provides a power equipment wiring diagram data display method, device and storage medium. The method comprises the following steps: selecting a current data updating mode from a plurality of preset data updating modes; when a trigger condition required by the current data updating mode is met, updating an initialization xml file according to measurement point data, so as to display a graph element corresponding to the measurement point data in a browser. According to the embodiment of the application, when the trigger condition required by the current data updating mode is met, the initialization xml file can be updated according to the measurement point data, so as to display the graph element of different shapes and colors corresponding to the measurement point data in the browser. In addition, the graph element type can be customized according to requirements, and the display mode is flexible.

The invention provides a transformer substation wiring diagram automatic identification method and system, and the method comprises the steps: obtaining the canvas size and primitive coordinate information of a transformer substation wiring diagram in a transformer substation wiring diagram G file, obtaining the canvas size of a transformer substation wiring diagram screenshot, and calculating the size conversion coefficient of the transformer substation wiring diagram and the screenshot based on the canvas size of the transformer substation wiring diagram and the screenshot in the G file; calculating the coordinate information of each primitive in the screenshot based on the conversion coefficient and the primitive coordinate information of the G file transformer substation wiring diagram, marking each primitive in the screenshot, and identifying the information content of each primitive of the transformer substation wiring diagram in the screenshot; and carrying out variable quantity calculation on the current marked screenshot and the marked screenshot at the previous moment to obtain a change value of the primitive in the operation process of the transformer substation. The method supports display of images with various resolutions and various window images, meets the requirements of a mainstream dispatching automation master station system, and is wide in adaptability. In the whole recognition process, only the conversion rate is calculated for the first time, massive calculation is not needed, and the real-time monitoring requirement is met.

The invention discloses an automatic main wiring diagram forming method and system based on dynamic layout and template fusion. Carrying out regional division according to the voltage class of the transformer substation, and independently setting a main transformer region; optimizing region merging and splitting by adopting a genetic algorithm, setting a merging and splitting threshold value by calculating a region occupancy rate, and dynamically adjusting a region boundary to adapt to scenes such as transformer substation reconstruction and extension, interval increase or deletion and the like; and further aiming at the problems of large calculated amount of equipment layout in the interval, different voltage intervals of the same station and non-uniform styles of direct intervals of different stations, a standardized interval template matching method is adopted, the equipment primitive size, interval and alignment mode are set, the primitive position is automatically adjusted, the connecting line crossing condition is optimized, and finally the transformer substation main wiring diagram conforming to the specification is generated. The layout is dynamically adjusted based on the set threshold value, the overall space compactness is improved, the invalid blank is reduced, and the equipment arrangement is optimized in combination with template matching, so that the formed graph is more regular and conforms to the industrial standard.

The invention discloses a method and a system for identifying a connecting line relationship between primitives based on image identification, and relates to the technical field of image processing, the method comprises the following steps: constructing a primitive extraction model, and performing model pre-training in combination with a pre-constructed training data set, the primitive extraction model comprising a primitive identification sub-module and a neural coding sub-module; the wiring diagram to be recognized is input into the primitive extraction model to be analyzed and recognized, a primitive neural coding set is output, and the primitive neural coding set comprises a primitive entity set and an entity coding set; primitive connection relation reasoning is carried out on the primitive neural coding set based on the generative flow network, and a corresponding initial primitive connection network is generated; performing circuit semantic simulation verification on the initial primitive connection network by adopting a pre-constructed differentiable physical simulator to generate a simulation verification result; and iteratively executing the steps S3 to S4 based on a simulation verification result, and generating a precise primitive connection network, thereby realizing efficient, rapid and precise identification of the electrical wiring diagram.

The invention relates to an electric box wiring cross detection method and device, computer equipment and a storage medium. The method comprises the following steps: inputting an electric box wiring image into a YOLO backbone network to obtain N-1 feature images output by N-1 continuous first cross-stage local layers and a target image output by a spatial pyramid rapid pooling layer in the YOLO backbone network; inputting a target image into the global context attention network to obtain an Nth feature image, and determining the combination of the N-1 feature images and the Nth feature image as N feature images; inputting N feature images into the path aggregation feature pyramid network to obtain N to-be-detected images; and detecting the N to-be-detected images to obtain a detection result of wiring intersection. By adopting the method, the accuracy of wiring cross detection of the electric box can be improved.

The application belongs to the field of smart grid and computer vision, and particularly relates to a power station wiring diagram text robust generalization detection and recognition method based on an improved SwinTextSpotter v2. The method comprises the following steps: step 1: inputting an image into a text detection and recognition network based on multi-modal learning for training and prediction, obtaining a shared feature map through a shared feature extraction backbone network, and further inputting the shared feature map into a text detection module to obtain a text detection result and a text feature map; step 2: inputting the text feature map into a visual feature extraction and prediction module to obtain a feature sequence, and then matching the predicted feature sequence with a canonical representation obtained by a character structure feature extraction and prediction module to obtain a recognition result; and the like. The application robustly improves the detection and recognition accuracy of the model for irregular text and Chinese character text, and improves the generalization performance of the text detection and recognition of various types of wiring diagrams.

The application provides a wiring correctness detection method and system, a meter installation and power connection intelligent process detection method and system. The wiring correctness detection method comprises the following steps: obtaining a to-be-detected wiring diagram I, using a wiring segmentation model trained by a first wiring segmentation data set to segment out the conductors in the vertical direction of the to-be-detected wiring diagram I, and obtaining a wiring state grayscale diagram I; when the corresponding wiring position in the wiring state grayscale diagram I is not empty, determining a wiring color detection result based on a pre-established correlation relationship according to the gray value and the label corresponding to each conductor in the wiring state grayscale diagram I; determining a to-be-detected wiring sequence array according to the wiring color detection result, obtaining a preconfigured reference wiring sequence array, comparing the to-be-detected wiring sequence array with the reference wiring sequence array, obtaining a correctness detection sequence array according to the comparison result, and further obtaining a wrong-wiring detection result and a missing-wiring detection result. Therefore, the application greatly improves the work efficiency and accuracy of the meter installation and wiring detection task.

The embodiment of the invention provides an intelligent electrical cabinet terminal strip system and a positioning wiring method, and relates to the technical field of intelligent high-voltage electrics. The method comprises the following steps: acquiring position information of each terminal in a terminal strip and an index table corresponding to an electronic edition terminal strip wiring diagram, generating a three-dimensional coordinate system according to the position information, and establishing a mapping relationship between terminal numbers and cable numbers in the three-dimensional coordinate system and the index table; acquiring a first terminal number and a first cable number of the cable, and mapping the first terminal number and the first cable number to the three-dimensional coordinate system for calculation according to the mapping relation to obtain a three-dimensional coordinate result of the cable in the terminal strip; inserting the cable into the terminal strip according to the three-dimensional coordinate result to obtain the actual position information of the cable, judging whether the three-dimensional coordinate result is matched with the actual position information or not, and if yes, conducting a switching circuit of the electrical cabinet terminal strip system. According to the method, the technical effects of improving the power technology implementation efficiency and eliminating potential safety hazards are achieved.

This application relates to a method, apparatus, computer equipment, computer-readable storage medium, and computer program product for processing wiring diagrams of substations. The method includes: acquiring an image of a substation wiring diagram and performing quality enhancement processing on the image to obtain a processed image; performing optical character recognition (OCR) to obtain a title recognition result and determine the diagram type; based on the diagram type, performing region segmentation on the processed image to identify and locate the wiring diagram area, text area, and table area; parsing to obtain the structural data of each device in the wiring diagram; converting the data into standardized data for the power industry; and, provided the standardized data passes rule review, performing similarity matching between the standardized data and reference standardized data to obtain a matching result; and based on the matching result, outputting the quality review result of the wiring diagram. This method can improve the accuracy of wiring diagram review.

The invention discloses a GIS-based power distribution network line automatic line selection optimization method, and relates to the technical field of electric power construction, and the method comprises the following steps: obtaining a drawing dwg-format wiring drawing of a distribution network wiring diagram and geographic space data of a geographic information GIS system, importing the dwg-format wiring drawing into drawing CAD software by a computing device, and carrying out the calculation of the drawing CAD software; a secondary development plug-in is imported into CAD software, the CAD software extracts drawing information of the wiring drawing in the dwg format through the secondary development plug-in, and the extracted information is sorted into a data set and exported. The non-standard drawing information extraction of the distribution network geographical wiring diagram is realized through the CAD secondary development plug-in, the precise fusion with the GIS system is realized through coordinate conversion, the difference between a data format and a coordinate system is eliminated, the effects of efficient data association and precise space positioning are achieved, the improvement of the distribution network line path planning precision is realized, and the method has the advantages of simple operation and high efficiency. And a reliable data basis is provided for subsequent line selection optimization.

The invention provides a supplementary safety measure generation method and device for a power grid work ticket. The method comprises the following steps: extracting key information of a power grid work ticket to obtain task information; obtaining space bin map-model data of the transformer substation, and determining an operation area based on the space bin map-model data and the operation equipment; performing topology analysis on the wiring diagram based on the operation equipment, and determining a risk area according to a topology analysis result and the operation area; and generating a supplementary safety measure scheme of the risk area based on a preset safety measure matching rule, the operation type, the space bin map model data and the real-time state of the associated equipment. According to the invention, through fusion of double analysis of the space position and the electrical topology, the physical touch risk of the adjacent area of the operation point can be identified, hidden risks such as misoperation and reverse power transmission caused by the electrical associated equipment can be captured, a blind area which only depends on manual experience traditionally is made up, and the comprehensiveness and the accuracy of a safety measure supplementing scheme are improved.

1. The name of the design product: electronic device wiring diagram display graphical user interface. 2. The use of the design product: for electronic devices. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: each design front view respectively embodies different wiring diagrams in different states, and clicking "X" in the upper right corner of the interface in each design front view can close the current page.

The invention relates to the technical field of power system relay protection, and provides a method and system for generating a primary wiring diagram of a relay protection control device, and the method comprises the steps: obtaining a primitive file, the number of branches, the size of a device interface and a wiring mode, forming predefined information, and inputting the predefined information into a system; automatically generating a branch subgraph in the current primary wiring diagram according to the primitive file and the wiring mode; the overall layout of the current primary wiring diagram is calculated according to the number of branches and the device interface size, and the number of buses, the positions of the buses and the positions of branch sub-diagrams are obtained; after the number of branches and the positions of buses are determined, the branches are automatically drawn on a local graphical interface, automatic connection is completed, and a visual primary wiring diagram preview is generated; and performing manual adjustment and software and hardware resource association on the preview of the primary wiring diagram according to the field actual condition, and generating the primary wiring diagram. According to the method, the primary wiring diagram configuration efficiency in a complex scene can be greatly improved while the correctness of the primary wiring diagram is ensured.

The invention discloses an astronavigation cable network auxiliary wiring data processing method. The method comprises the steps of cable network structured data acquisition, branch connection relation simplification, main chain analysis, main chain arrangement, branch chain arrangement and marking. According to the method, structural data of a cable network can be analyzed to generate a 1: 1 wire harness two-dimensional diagram by obtaining the structural data. According to the method, the working efficiency and accuracy are remarkably improved, more standard, efficient and intuitive cable wiring diagram design and arrangement experience is provided for designers and operators, and the requirements of high-complexity spacecrafts such as satellites and manned airships for refined and standardized wiring can be met; and a powerful guarantee is provided for the reliability and the safety of a spacecraft electrical system.

Tools and techniques are described to automate creation of point mapping diagrams between controllers and controlled resources. After receiving a defined space diagram (which may be input using a graphical interface of the controller, or by other means), resource locations and resource wiring requirements (which may be done automatically), a wiring diagram including point mapping between the resources and any necessary controllers is generated. If resources need to be moved, a new wiring diagram and / or point mapping can be regenerated.

The invention relates to the technical field of transformer substation secondary wiring drawing checking, and discloses a checking device for transformer substation secondary wiring, which adopts a three-axis linkage mechanical architecture of a vertical moving assembly, a front-back moving assembly and a horizontal moving assembly, is matched with moving wheels, can perform a complex application scene of scanning and checking of each position of a transformer substation site, and is high in practicability. Meanwhile, the device can be adapted to secondary terminal strips at different heights and different positions, image scanning is carried out through a visual scanning sensor of the mobile recognition device, an electronic drawing is automatically constructed, the industry pain point of lack of electronic drawings of old substations is filled up, meanwhile, automatic comparison and checking of field wiring and drawings are achieved, manual checking one by one is not needed, and the working efficiency is improved. According to the invention, the working intensity of operation and maintenance personnel is greatly reduced, the terminal strip with wrong connection can be identified and checked through a preset drawing, and a prompt is given in time, so that the operation and maintenance personnel can quickly position a fault point, and the maintenance time is shortened.

The application discloses a kind of intelligent substation main wiring diagram automatic generation method based on feature template, based on the existing substation main wiring diagram graphic file construction framework feature template file, interval feature template file;Analysis newly built, reconstruction or expansion substation SSD file, obtain including primary equipment, main transformer, bus, interval, wiring mode substation data structure information;According to substation data structure information matching framework feature template file and interval feature template file, and copy to canvas, form new substation main wiring diagram;Look up corresponding signal point in local database, serialize the first and last end node number of same type equipment in interval, and distinguish and bind through signal point in local library.The application realizes the automatic layout, automatic drawing, automatic association of modifying existing substation graphics, not only reduce the workload of engineering personnel, also greatly improve drawing efficiency and drawing quality.

This invention provides a method, apparatus, and server for automatically generating primary wiring diagrams of substations, relating to the technical field of automatic mapping and layout calculation of power grid thematic maps. The method includes: acquiring equipment information and equipment topology connection information of a target substation; using the primary equipment information to determine the operating unit to which the target primary equipment belongs in the target substation, and using the operating unit to perform an overall layout of the target substation, obtaining a primary equipment layout diagram; using the secondary equipment information to perform a secondary layout of the target substation, obtaining a secondary equipment layout diagram; and using the equipment topology connection information to perform graphic stitching processing on the primary and secondary equipment layout diagrams, obtaining the target wiring diagram. This invention, by automatically generating primary wiring diagrams of substations, can significantly improve the generation efficiency of substation wiring diagrams and enhance the timeliness of graphic updates.