CN102760186B - A method for automatically generating vector graphics in smart substations - Google Patents

Abstract

The invention discloses a method for automatically generating a vector graphics of an intelligent transformer station. The method comprises the steps of: processing a single equipment graphics primitive and an interval graphics primitive respectively aiming at a primary wiring diagram of the transformer station, storing the graphics primitives in the primary wiring diagram into a local graphics primitive list and mapping the local graphics primitives to graphics primitives of a target system device by adopting a mapping method so as to form mapping graphics primitive pairs; when processing the interval graphics primitives, identifying interval graphics primitives corresponding to the target system, matching the interval graphics primitives and forming the matching results into matching pairs of the interval graphics primitives; storing graphics primitive information of the mapped graphics primitive matching pairs according to an XML (Extensive Makeup Language) format; replacing the graphics primitives of the primary wiring diagram of the intelligent transformer station into target graphics primitives according to the mapping method and adjusting the size of the target graphic primitive according to the original diagram; and deriving the vector graphics to finish the graphics customization, transmitting the vector graphics to a scheduling system at each level for importing so as to finish the sharing a graphics document. The primary equipment graphics primitive is quoted in the graphics generated by the method, and the mapping and replacement of a single graphics primitive is supported; and the method for automatically generating the vector graphics of the intelligent transformer station has relatively strong generality.

Description

A method for automatically generating vector graphics in smart substations

technical field

The invention relates to the technical field of power system automation, in particular to a method for automatically generating vector graphics of an intelligent substation.

Background technique

The power automation system is a huge system, and the graphics and model information of the substation and the dispatching system are different, which belong to the heterogeneous system. The same primary wiring diagram for operation monitoring needs to be drawn repeatedly at the substation end and the dispatching end, which undoubtedly greatly increases the maintenance workload of the dispatching system. Therefore, the State Grid Corporation of China issued the power system graphical description language-G language specification. By establishing a standard and open power system information model, it promotes information sharing between applications, thereby reducing production and maintenance costs and further improving system reliability.

In order to keep the graphics layout and primitive drawing style to meet the needs of different information interaction in the process of sharing graphics files, it is necessary to establish a graphics conversion method between heterogeneous systems. By establishing a mapping relationship, the substation graphics are converted and output into primary wiring diagrams that meet the needs of dispatch centers at all levels according to the drawing requirements of the dispatch system. Compared with the current graphics synchronization method that usually uses manual drawing, the automatic generation technology of customizable vector graphics has great advantages.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a method for automatically generating vector graphics in an intelligent substation to realize the customization function of vector graphics. Through the vector graphics customization and automatic generation technology, it can meet the different needs of dispatching systems at all levels for substation graphics, and realize one picture and multiple systems sharing.

The improvement of the method for automatically generating vector graphics in a smart substation provided by the present invention lies in that the primary wiring diagram of the substation can separately process single-equipment graphic elements and interval graphic elements, and the graphic elements used in the primary wiring diagram can be divided into types Stored in the list of local primitives, using the mapping method to map the local primitives to the target system equipment primitives to form a mapping primitive pair; when processing the interval primitives, automatically identify the interval primitives corresponding to the target system, and Match the interval graphic elements, and form the matching result of the interval graphic element matching pair; save the graphic element information of the mapping graphic element matching pair in the file according to the Extensible Markup Language XML file format; according to the mapping method, the The graphic elements in the primary wiring diagram of the smart substation are replaced with the target graphic elements, and the target graphic elements are automatically adjusted according to the size of the original drawing; the vector graphics are automatically exported to complete the graphic customization, and are transmitted to the dispatching systems at all levels for import to complete graphic file sharing .

Wherein, the automatic generation method includes the following steps:

(1) Automatically analyze the vector primary wiring diagram of the smart substation, and classify the local map elements in the map and store them in the map element list;

(2) Automatically identify the interval primitives referenced in the vector graphics of the smart substation, classify the interval primitives, and store the information content of the interval primitives in the interval primitive list;

(3) Store the graphic elements referenced by the smart substation vector graphics and the graphic elements used by the dispatching system in accordance with the scalable vector graphics description language format, and display them in lists;

(4) automatically matching the interval primitives to form a matching pair of interval primitives;

(5) Map the reference primitives of the smart substation vector graphics to the dispatching primitive system, establish a matching pair of mapping primitives, and compare the size, coordinates, and terminal coordinates of the local primitives with the size and coordinates of the target system mapping primitives and terminal coordinates are stored together in the Extensible Markup Language XML mapping file;

(6) Replace the local map element of the smart substation with the dispatching system map element, and automatically perform vector scaling on the dispatching system map element according to the size of the local map element, and correct the position of the replaced map element according to the coordinate position of the terminal in the local map element ;

(7) Export the vector graphics of the smart substation that has completed the graphic element replacement according to the graphic description specification, and transmit it to the dispatch center, import it into the dispatch system, and complete the graphic customization process from the smart substation to the dispatch system.

Among them, step (1) automatically analyzes the scalable vector primary wiring diagram of the smart substation that meets the power system graphic description specification, and stores the graphic elements in the figure in the graphic element list, and the graphic element label adopts a single device number and graphic element type Names are marked in two ways.

Wherein, step (2) classifies the interval graphics elements according to the number of equipment graphics elements included and the wiring mode.

Among them, step (3) uses a single mapping method to map one of the equipment number graphics entities to one of the equipment graphics entities in the dispatch center; uses the same mapping method to map one of the graphics entity types to one of the equipment diagrams in the dispatch center yuan on.

Wherein, (4) according to the number of equipment primitives in the interval primitives, the topological connection relationship of the equipment, etc., the interval template matching method is used to automatically match the interval primitives, and form a matching pair of interval primitives.

Wherein, the information of the mapping graphic element matching pair is stored in the file according to the plain text form of the XML standard, so as to realize the customization of the graphic element matching template;

The graphic entity information includes: graphic entity reference name, graphic entity type name, width and height, and graphic entity terminal coordinates.

Compared with the prior art, the beneficial effects of the present invention are:

The method of the present invention has strong versatility, can support the graphics conversion function of all substation monitoring systems that meet the power system graphics description specification; has a complete processing scheme, and can map a single or single type of graphic element to the graphics system of the target system ; It has an automatic identification and matching method for interval primitives. It has an automatic adjustment function, which can automatically adjust the size and coordinates of the graphic elements after the graphic element replacement is completed, so as to ensure the layout of the original image and the position of the connecting lines; the converted graphics can be automatically exported, and the graphics can be adjusted according to the scheduling system at all levels. Customize scalable vector graphics for different needs.

The present invention supports single graphic entity mapping replacement for all primary equipment graphic entities referenced in graphics. For a certain type of equipment primitives referenced in graphics, it supports map replacement by primitive type. In the vector graphics, the interval primitives are automatically identified, and the interval primitives are matched according to the number of equipment primitives contained in the interval and the topological connection relationship between devices to form a matching pair of interval primitives. Save the information of mapping primitives and matching interval primitives in a file in plain text conforming to the XML (Extensible Markup Language) standard. The primitive information includes: primitive reference name, primitive type name, dimensions such as width and height, primitive terminal coordinates, etc. Satisfy the storage and direct import of mapping configuration results, and the customization of primitive mapping templates. For the replaced primitives, it is supported to automatically adjust the size and coordinate information of the primitives according to the connection lines of the original graph, the position of the primitives and other information. Aiming at the same substation graphics to meet the different requirements of different dispatching systems for the display style and graphic style of the picture element, realize the customization function of vector graphics. Through vector graphic customization and automatic generation technology, one graphic can be shared by multiple systems.

Description of drawings

Fig. 1 is a schematic diagram of the method for automatically generating customizable vector graphics in a smart substation provided by the present invention.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

The idea of this embodiment is to automatically analyze the scalable vector primary wiring diagram drawn by the smart substation, store each graphic element instance used in the figure in the local graphic element list according to the equipment type, and the graphic element label adopts the equipment instance number and primitive type names. Read target system use primitive description file and store in target primitive list. Map a local primitive to a target system device primitive by means of single mapping or mapping by primitive class to form a matching pair of mapped primitives. It can automatically identify the interval primitives, and match the interval primitives according to the number of equipment primitives contained in the interval and the topological connection relationship between devices to form a matching pair of interval primitives. The primitive information of the mapping primitive pair is saved in the file according to the extensible markup language XML file format, and the stored information includes the size, name, coordinates, etc. of the local primitive and the target primitive. According to the previous mapping configuration, all the graphic elements in the scalable primary wiring diagram of the smart substation are replaced with the target graphic elements, and the target graphic elements are automatically adjusted according to the size of the original drawing to meet the coordinate and size requirements. Automatically export scalable vector graphics to complete graphics customization, transfer them to dispatching systems at all levels for import, and complete graphics file sharing.

Specifically, a schematic diagram of a method for automatically generating customizable vector graphics in a smart substation in this embodiment is shown in Figure 1, and specifically includes the following steps:

(1) Automatically analyze the scalable vector primary wiring diagram of the smart substation that meets the graphical description specifications of the power system, and classify each graphic element used in the diagram into categories such as circuit breakers, isolation switches, grounding switches, terminal equipment, and transformers The classification is stored in the graphic element list, and the graphic element label adopts two marking methods: a single equipment number and a graphic element type name.

(2) Automatically identify the interval primitives referenced in the scalable vector graphics of the smart substation, classify the interval primitives according to the number of equipment primitives included, and the wiring method, and store the information of the interval primitives in the interval primitive list middle.

(3) Display the scalable vector graphic reference elements of the smart substation and the scalable vector elements used by the dispatching system in lists. A single mapping method is used to map a certain equipment number graphics entity to a certain type of equipment graphics entity in the dispatch center; it is also possible to use the same mapping method to map a certain graphics entity type to a certain type of equipment graphics entity in the dispatch center.

(4) According to the number of equipment primitives in the interval primitives, the topological connection relationship of the equipment, etc., the interval template matching method is used to automatically match the interval primitives and form a matching pair of interval primitives.

(5) Combine the scalable vector graphics elements of the smart substation and the mapping dispatching center graphics entities into a mapping graphics entity pair or a matching pair of interval graphics entities, save them in the XML mapping file of the extensible markup language, and store the size, coordinates and The terminal coordinates are saved together in this file.

(6) Automatically import the XML primitive mapping file configured before or replace the primitives in the original map of the smart substation with the dispatching center primitives according to the configured primitive mapping relationship, and adjust the dispatching center primitives according to the size of the local primitives Automatically perform vector scaling, and automatically correct the position of the replaced graphic element according to the coordinate position of the terminal to ensure the correctness of the graphic connection after the replacement is completed;

(7) Export the vector graphics of the smart substation that has completed the graphic element replacement according to the graphic format of the dispatching system, and transmit it to the dispatching center, import it into the dispatching system, and complete the graphic customization process from the smart substation to the dispatching system.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention can still be Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention shall be covered by the scope of the claims of the present invention.

Claims (7)

1. A method for automatically generating vector graphics in an intelligent substation, characterized in that the primary wiring diagram of the substation can process the single device graphic element and the interval graphic element respectively, and store the graphic elements used in the primary wiring diagram into the local map by type In the element list, use the mapping method to map the local map element to the target system device element to form a mapping element pair; when processing the interval element, automatically identify the interval element corresponding to the target system, and The graphic elements are matched, and the matching result is formed into an interval graphic element matching pair; the graphic element information of the mapped graphic element matching pair is stored in the file according to the Extensible Markup Language XML file format; according to the mapping method, the smart substation is wired once The graphic elements in the figure are replaced with the target graphic elements, and the target graphic elements are automatically adjusted according to the size of the original image; the vector graphics are automatically exported to complete the graphic customization, and are transmitted to the dispatching systems at all levels for import, and the graphic file sharing is completed. 2. automatic generation method as claimed in claim 1, is characterized in that, described automatic generation method comprises the steps: (1) Automatically analyze the primary wiring diagram of the smart substation vector, and classify the local map elements in the map and store them in the map element list; (2) Automatically identify the interval graphic element quoted in the vector graphics of the intelligent substation, classify the interval graphic element, and store the information content of the interval graphic element in the interval graphic element list; (3) store the graphic elements used by the vector graphics of the intelligent substation and the dispatching system according to the scalable vector graphics description language format, and display them respectively in a list; (4) automatically matching the interval graphic elements to form an interval graphic element matching pair; (5) Map the reference graphic element of the smart substation vector graphics to the dispatching graphic element system, establish a matching pair of mapping graphic elements, and map the size, coordinates, and terminal coordinates of the local graphic element and the size and coordinates of the target system mapping graphic element and terminal coordinates are stored together in the Extensible Markup Language XML mapping file; (6) Replace the local map element of the smart substation with the dispatching system map element, and automatically perform vector scaling on the dispatching system map element according to the size of the local map element, and perform position correction on the replaced map element according to the coordinate position of the terminal in the local map element ; (7) Export the vector graphics of the smart substation that has completed the graphic element replacement according to the graphic description specification, and transmit it to the dispatching center, import it into the dispatching system, and complete the graphic customization process from the smart substation to the dispatching system. 3. The automatic generation method as claimed in claim 2, characterized in that, step (1) automatically analyzes the scalable vector primary wiring diagram of an intelligent substation satisfying the power system graphic description specification, and stores the graph elements in the figure in In the graphic element list, the graphic element label adopts two marking methods: a single device number and a graphic element type name. 4. The automatic generation method according to claim 2, characterized in that, in step (2), the interval graphics elements are classified according to the number of equipment graphics elements included and the wiring mode. 5. the automatic generation method as claimed in claim 2, it is characterized in that, step (3) adopts the method for single mapping to map one of the equipment number graphics elements to one of the equipment graphics elements in the dispatch center; adopt the method of similar mapping Map one of the entity types to one of the types of equipment entities in the dispatch center. 6. the automatic generation method as claimed in claim 2, it is characterized in that, step (4) adopts the mode of interval template matching to automatically pair interval figure Elements are matched and a matching pair of interval primitives is formed. 7. the automatic generation method as claimed in claim 1, is characterized in that, the information of described mapping graphic element matching pair is preserved in the file according to the plain text form of XML standard, realizes the customization of graphic element matching template; The graphic entity information includes: graphic entity reference name, graphic entity type name, width and height, and graphic entity terminal coordinates.