CN116796391A - Digital modeling and visualization method for secondary circuit of direct current converter station control and protection system - Google Patents
Digital modeling and visualization method for secondary circuit of direct current converter station control and protection system Download PDFInfo
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Abstract
Compared with the prior art, the invention solves the defect that the integral modeling, the digital handover and the three-dimensional visualization of the secondary circuit of the extra-high voltage direct current converter station control and protection system are not realized. The invention is oriented to the key technology of a digital modeling platform of a direct current converter station control and protection system, constructs a virtual world three-dimensional model of control and protection equipment, defines the expression modes of all objects and elements involved in the converter station control and protection system based on SPCL grammar, expands the ID marking attribute of the loop relation, and solves the influence of the internal connection relation of the elements on the whole loop expression; an interaction mode of the three-dimensional model and the physical model is provided, and the information of the three-dimensional model and the physical model is interconnected and intercommunicated; and a data transmission model of the control and protection system and an associated expression mode of the control and protection system and the physical full loop are defined, so that the correspondence between the physical loop and transmission data is realized. Finally, a complete set of digital configuration mode and flow are formed, and integral modeling and panoramic visual display of the secondary circuit of the direct-current converter station control and protection system are realized.
Description
Technical Field
The invention relates to the technical field of substations, in particular to a secondary circuit digitizing and intelligent operation and maintenance system of a substation, which can more intuitively and comprehensively reflect physical connection and logic relation between intelligent substation equipment through construction and application of the system, is convenient for management staff to check at any time, reduces equipment fault risk, and helps power production operation and maintenance trend to be digitizing and intelligent.
Background
The control protection system is a central system for monitoring and running of the direct current converter station, plays an extremely critical role in safe and reliable running of the direct current transmission system, but is relatively complex in equipment structure, wiring mode, system logic and other aspects of the control protection system of the converter station, and needs higher operation and maintenance professional capability.
Due to objective factors such as rapid development of a power grid, rapid construction of an extra-high voltage converter station, overlong culture period of operation and maintenance personnel of the converter station and the like, the body quantity of the professional operation and maintenance personnel is difficult to meet the requirement of the development of extra-high voltage direct current transmission. And various data of the control and protection system handed over by the current converter station still exist in a large number of CAD drawings, tables or software programs and other modes, so that various loops of the control and protection system and the transmitted information content are repeatedly combed in various segmented data in daily operation and maintenance work, and the efficiency of operation and maintenance work is not facilitated.
At present, the research on the digital aspect of the secondary circuit of the control and protection system of the converter station is less, and the related research is mainly remained on the aspects of modeling, digital design and the like of the control and protection module 61850. The control and protection model 61850 modeling is mainly used for meeting the data interaction and interaction operation among different control and protection devices, and no specific implementation mode is available for the coupling of information and a loop; the digital design is mainly used for realizing the output and the transfer of contents such as a design drawing, an album and the like in a digital design mode of a convertor station, and a general and open data source interface is not formed for use in an operation and maintenance stage.
Meanwhile, related documents explore a direct current converter station control and protection system visualization technology based on deep learning and image recognition, but a visual scene is limited by a drawing form and recognition accuracy. In addition, in the field of intelligent substations, the digital modeling of the optical cable jump fiber of the secondary system loop process layer has certain standard support and related technology application. However, a large number of non-optical fiber bus communication modes are applied to the secondary system part of the control and protection of the converter station, and a data transmission model does not exist currently, so that the digital modeling and information mapping technology of the intelligent substation cannot be directly used. Therefore, the secondary circuit of the converter station control and protection system is digitized and visualized, which is a work to be completed urgently, and is also a foundation for developing and realizing related advanced application research and implementation in the operation and maintenance direction of the latter converter station control and protection system.
Disclosure of Invention
The invention aims to solve the problem of the prior art that the method for digitizing and visualizing the secondary circuit of the ultra-high voltage direct current converter station control and protection system of +/-800 kV is lacking. The invention provides a loop relation ID mark-based converter station secondary loop digital modeling and configuration method, which takes direct current control protection equipment as a configuration object, is oriented to various bus interfaces, and forms a complete set of digital configuration modes and processes based on the aspects of physical object three-dimensional modeling, physical loop modeling, transmission signal modeling, data model interaction and the like, thereby realizing the integral modeling and panoramic visual display of a direct current converter station control protection system secondary loop.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a substation control protection system secondary circuit digital modeling and visualization method comprises the following steps:
1) Performing digital modeling on a secondary loop control protection object: defining a physical model in a layered modular mode, respectively making a three-dimensional model and defining physical attributes of a board, equipment and a screen cabinet, and directly defining object levels of other components without board levels in a virtual board mode to form a complete total station physical model library;
2) Performing three-dimensional modeling on a secondary loop control protection object: respectively establishing a minimized universal primitive library for various secondary control and protection objects, and forming a three-dimensional model of a secondary system object by splicing and assembling universal primitives;
3) And performing interaction between the digital model of the secondary loop control protection object and the three-dimensional model: according to the hierarchical characteristics of the physical model, a three-dimensional model interaction interface is established and thinned to the equipment port hierarchy, so that all ports are ensured to have three-dimensional space attributes (including space coordinates, rotation angles and the like) and the three-dimensional arrangement and access of cables facing equipment or element ports are met;
4) Performing digital modeling on a secondary loop model: ensuring that all loop relation ID marks related to the system have uniqueness, classifying, designing and managing loop relations of different hierarchy systems, expanding the system classification design based on the SPCL cabinet level, establishing the loop relation based on the loop relation ID marks in a definition mode of cube, bay= "pole control system", and realizing the combination relation design of a complete path;
5) Performing secondary system logic loop modeling: the method comprises the steps of performing digital modeling on abstract data, establishing a data transmission capacity model for various control and protection devices, associating data in the data model to each physical loop in a data structure index mode, setting electric signal content and signal transmission directions in IntLoop. Info or cableLoop. Info, and dividing the content and directions by "/", wherein the expression is: the electric signal content/starting point object name, thereby realizing the relation mapping of abstract data and a physical loop;
6) Performing three-dimensional panoramic visualization of a secondary system: based on a physical model SPCD file, a logic loop model SDCD file and a control and protection and element object three-dimensional model database, a reverse analysis mode is adopted by the database to realize three-dimensional panoramic visualization of electric loops, optical loops and transmitted information of various buses of a secondary system of a converter station control and protection system;
7) Performing intelligent label implementation: the intelligent tag based on the two-dimension code technology can scan the two-dimension code to display the physical loop information of the transformer substation through the mobile terminal after modeling the total station loop, so that the information induction interaction friendliness of the intelligent tag is improved, and the induction efficiency is improved.
The digital modeling of the secondary loop control protection object comprises the following steps of:
11 Defining board card model data, including board card slot number, description and model; lower port number, description, direction, type, use;
12 Defining object model data including object number, description, iedName, vendor, model, type; the lower level comprises one or more board card models;
13 Defining screen cabinet model data, including screen cabinet numbers, descriptions and affiliated intervals; the lower level contains one or more object models.
The three-dimensional modeling of the secondary loop control protection object comprises the following steps:
21 Secondary object model decomposition, including model decomposition of different objects such as a screen cabinet, equipment, components, terminal rows and the like, basic primitives which are minimized are established by classification and are stored in obj format; the secondary equipment comprises a case, a panel, a plug-in unit, a port and the like; the screen cabinet comprises a screen body, a screen eyebrow and the like; the relay aspect comprises a relay main body, relay contacts and the like; the terminal strip aspect includes a terminal strip identification, a terminal type, and the like. Therefore, the minimum primitive is refined, and a basic primitive library is established in a classification level management mode;
22 Basic primitive modeling, the secondary object model can be divided into a regular model and an irregular model; the regular model refers to the shape of the equipment which is a regular geometrical body such as a cuboid, a cylinder, a sphere and the like, for example, a chassis, an optical cable, a tail cable and the like; the irregular model refers to an object model with complex structure and appearance, such as a board card, a port and the like. Different modeling methods can be adopted for different models; and acquiring the size information of the screen cabinet according to the on-site three-dimensional point cloud scanning or drawing checking modes of the secondary object of the transformer substation, and taking a picture (for mapping) of the corresponding part. In 3DMax, scaling down according to corresponding size by a simple modeling method or a complex modeling method to build a model, then attaching a material map, rendering and outputting to finish the manufacturing of the model;
23 Basic primitive combination, the main steps of the combined model are as follows:
231 Based on the basic primitive library, batch calling a plurality of basic primitives;
232 Inter-editing the called basic primitive, including adjusting the geometric transformation of the basic primitive such as position, size, orientation, etc.;
233 Temporary storage physical model, editing and inputting attribute information;
234 Save and enter the combined model library.
The interaction of the digital model and the three-dimensional model of the secondary loop control protection object comprises the following steps:
31 Establishing a three-dimensional model based on Unity3D three-dimensional model making software, setting contents defined by an interactive interface in the process of instantiation, and establishing an instantiated three-dimensional scene hierarchical structure for total station;
32 Judging whether a physical model file in the total station SPCL format exists or not, if not, directly editing SPCL physical attribute contents of the physical model file in the three-dimensional scene for all the level objects; if the physical attribute exists, mapping the physical attribute content in the SPCL to a corresponding three-dimensional model based on the interactive interface attribute;
33 Based on the mode of active editing or automatic mapping in the three-dimensional scene, the total-station three-dimensional scene model with physical properties can be finally generated, and a foundation is laid for the configuration of the total-station secondary system loop and data.
The digital modeling of the secondary loop model comprises the following steps:
41 For various equipment or element objects in the screen cabinet, establishing a point-to-point connection relation of ports or terminals, and carrying out on-screen connection relation IntCore assignment on the connection in the screen;
42 The inter-screen Cable is oriented, a point-to-point connection relation of the inter-screen Cable is established, and a value is assigned to the inter-screen connection relation Cable/Core;
43 The built point-to-point connection relation model facing the inside of the screen cabinet, the full-loop relation model in the screen is built by freely combining the connection relation models, and the uniqueness assignment of the ID of the loop in the screen is carried out according to the type of the loop;
44 The connection relation model between screens is oriented to the connection relation between screens, a full loop relation model oriented to a certain system or a cross-system is established by freely combining the connection relations, and the uniqueness assignment of the loop ID in the system or the cross-system is carried out according to the loop type.
The modeling of the logic loop of the secondary system comprises the following steps:
51 Aiming at the data of each different control and protection device, classifying the contents such as remote signaling, telemetry, alarming and the like;
52 Setting abstract data and transmission directions in IntLoop.info or CableLoop.info, dividing the content and directions by "/", dividing each group of data, wherein the specific expression of each group of data is as follows: ied.name. Dataset. Name/start object name.
The three-dimensional panoramic visualization of the secondary system comprises the following steps:
61 Utilizing a secondary object three-dimensional model of a physical loop SPCD file and a world coordinate interface to realize the basic information inquiry of the secondary system three-dimensional imaging and equipment/elements;
62 Port and transfer data mapping of the physical loop and the logical loop is realized through the virtual-real correspondence technology;
63 The automatic wiring technology of the cable in the three-dimensional scene is adopted, and the automatic drawing of the cable in the three-dimensional scene based on the port/contact connection relationship analyzed by the physical loop is realized.
The implementation of the intelligent label comprises the following steps:
71 Collecting and sorting data such as a total station secondary circuit drawing, a cable album, an equipment schematic diagram, a description and the like;
72 The physical loop and the information loop are configured through the digital configuration platform;
73 Based on data configuration, performing label printing and on-site listing and pasting;
74 Checking visual display information of all tags by using a mobile operation terminal;
through the implementation steps, the drawing digitization, full-loop visualization and advanced operation and maintenance functions of the secondary system are finally realized, and the intelligent operation and maintenance levels of secondary equipment and secondary loops are improved.
Advantageous effects
Compared with the prior art, the invention provides a novel digital modeling and configuration method of the secondary circuit of the converter station based on the circuit relation ID mark aiming at the secondary circuit interface of the extra-high voltage direct current converter station control and protection system, which takes direct current control and protection equipment as a configuration object and faces various bus interfaces of the converter station based on the aspects of three-dimensional modeling of physical objects, physical circuit modeling, transmission signal modeling, data model interaction and the like, thereby forming a complete set of digital configuration mode and flow, and realizing the integral modeling and panoramic visual display of the secondary circuit of the direct current converter station control and protection system.
The intelligent operation and maintenance system innovatively adopts the technologies of intelligent labels, a secondary circuit digital model, a GIM model, a three-dimensional visualization engine, intelligent interaction and the like, realizes the drawing digitalization, full circuit visualization and advanced operation and maintenance functions of a secondary system, and improves the intelligent operation and maintenance level of secondary equipment and a secondary circuit.
Drawings
FIG. 1 is a sequence diagram of a digital modeling and visualization method for a secondary circuit of a direct current converter station control and protection system;
fig. 2 is a flow chart of a converter station device/component object model construction process;
FIG. 3 is a basic primitive setup flow;
FIG. 4 is a flow chart of physical model and three-dimensional model data interactions;
FIG. 5 is a full loop abstract data referencing flow;
fig. 6 is a view of a converter station scenario;
FIG. 7 is a top view of a cell scene;
FIG. 8 is a front view of a cell scene;
FIG. 9 is a cabinet scene view;
FIG. 10 is a cabinet connection scene view;
FIG. 11 is a cable scene view;
FIG. 12 is an object scene view;
FIG. 13 is an object connection scene view;
FIG. 14 is a port full path optical circuit scene view;
FIG. 15 is a port full path electrical loop scene view;
FIG. 16 is a port full path electrical loop scene view;
FIG. 17 is a smart tag implementation flow;
fig. 18 is a smart tag implementation effect diagram.
Detailed Description
In order to further understand and recognize the method features and the achieved effects of the invention, a secondary circuit of a certain + -800 kV extra-high voltage direct current converter station control and protection system is used as an embodiment and is matched with the accompanying drawings to carry out detailed description, and the detailed description is as follows:
as shown in fig. 1, the digital modeling and visualization method for the secondary circuit of the direct current converter station control and protection system comprises the following steps:
firstly, performing digital modeling on a secondary loop control protection object: as shown in fig. 2, for all control protection devices, a hierarchical and modularized mode is adopted to define a physical model, three-dimensional model production and physical attribute definition can be respectively carried out on boards, devices and screen cabinets, and object level definition is directly carried out on other components without board levels by a virtual board mode, so that a complete total station physical model library is formed.
Secondly, performing three-dimensional modeling on a secondary loop control protection object, wherein the method comprises the following specific steps of:
(1) And (3) decomposing a secondary object model: model decomposition is carried out on different objects such as a screen cabinet, equipment, components, terminal rows and the like, basic primitives with minimized classification and establishment are stored in obj format. The secondary equipment aspect comprises a case, a panel, a plug-in unit, a port and the like; the screen cabinet comprises a screen body, a screen eyebrow and the like; the relay aspect comprises a relay main body, relay contacts and the like; the terminal strip aspect includes a terminal strip identification, a terminal type, and the like. Therefore, the minimum primitive is refined, and a basic primitive library is established in a classification level management mode;
(2) Basic primitive modeling: as shown in fig. 3, for the basic primitive, modeling is performed by using 3DMax and attributes such as size and color. And acquiring the size information of the screen cabinet according to the on-site three-dimensional point cloud scanning of the secondary object of the transformer substation or the mode of checking drawings and the like, and taking a picture (for mapping) of the corresponding part. In 3DMax, performing scaling down to build a model according to the corresponding size by the simple modeling method or the complex modeling method, then applying a material map, rendering and outputting to finish the manufacturing of the model;
(3) Basic primitive combination: the created secondary object model in 3DMax is imported into Unity3D, and the model needs to be subjected to some simple processes in the importing process to prevent loss of some material information, and meanwhile, a compression algorithm of LZMA is adopted to enable a model file with about 15M to be compressed into about 2M, so that the requirement of network transmission speed is met. And realizing splicing combination by calling basic primitives of the three-dimensional model of the secondary object to form a combined model library of the secondary object. The design of the combined model library comprises two parts, namely a physical layer and an information layer, wherein the physical layer is used for carrying out three-dimensional model splicing of the secondary object based on the basic primitive library, and the information layer describes the basic attribute and the special attribute of the secondary object. The physical layer is mainly based on a basic primitive library, so that a plurality of basic primitives are simultaneously stored, and a relatively independent and complete secondary object three-dimensional model is formed through model mutual editing operation; the information layer is mainly oriented to secondary equipment, and comprises equipment types, equipment names, equipment models, equipment versions, manufacturers, affiliated intervals, rated currents, rated voltages, PMS equipment ID numbers, power grid identification system codes, material codes and the like, so that guarantee is provided for model handover in each stage, and relevance display can be performed during panoramic display.
The building steps of the combined model are as follows:
a1 Based on the basic primitive library, batch calling a plurality of basic primitives;
a2 Inter-editing the called basic primitive, including adjusting the geometric transformation of the basic primitive such as position, size, orientation, etc.;
a3 Temporary storage physical model, editing and inputting attribute information;
a4 Save and enter the combined model library.
Thirdly, the secondary loop control protection object digital model is interacted with the three-dimensional model, as shown in fig. 4, based on the interaction mode of the physical model and the three-dimensional model interface, the data interconnection is realized through direct editing or automatic mapping, and the method specifically comprises the following steps:
(1) Establishing a three-dimensional model based on Unity3D three-dimensional model making software, establishing an instantiated three-dimensional scene hierarchical structure for total station, and setting contents defined by an interaction interface in the process of instantiation;
(2) Judging whether a physical model file in the total station SPCL format exists or not, if not, directly editing SPCL physical attribute contents of the physical model file in the three-dimensional scene for all the level objects; if the physical attribute exists, mapping the physical attribute content in the SPCL to a corresponding three-dimensional model based on the interactive interface attribute;
(3) Based on the mode of active editing or automatic mapping in the three-dimensional scene, a total-station three-dimensional scene model with physical properties is finally generated, and a foundation is laid for configuration of a total-station control secondary system loop and data.
Fourthly, performing digital modeling of a secondary loop model, wherein the definition of a loop relation data model adopts SPCL language for expansion definition, and the method comprises the following specific steps:
(1) The method comprises the steps of establishing a point-to-point connection relation of ports or terminals for various equipment or element objects in a screen cabinet, and assigning an on-screen connection relation IntCore for the connection in the screen;
(2) The method comprises the steps of establishing a point-to-point connection relation of cables between screens facing the cables between the screens, and assigning a value to the connection relation Cable/Core between the screens;
(3) The method comprises the steps of establishing an on-screen full-loop relation model by freely combining all connection relation models facing to established point-to-point connection relation models in a screen cabinet, and carrying out unique assignment on an on-screen loop ID according to a loop type;
(4) The method comprises the steps of establishing a full loop relation model facing to a certain system or a cross-system by freely combining connection relations facing to an on-screen connection relation model and an on-screen connection relation model, wherein an on-screen loop ID mark can be used for expanding the definition of Cable.name/core.no based on SPCL, and the Cable loop level is the same as the Cable level; the on-screen loop ID tag can extend the definition of IntCore.name based on SPCL, with the IntLoop level being the same as the Intcore level; and performs unique assignment of intra-system or inter-system loop IDs according to loop type.
Fifth, modeling a logic loop of the secondary system, as shown in fig. 5, specifically comprising the following steps:
(1) Performing digital modeling on abstract data, establishing a data model by adopting an XML mode, and establishing a data transmission capacity model of the abstract data for various control and protection devices;
(2) Abstract data and transmission directions are set in IntLoop.info or CableLoop.info, content and directions are divided by "/", each group of data is divided by ": ied.name.dataset.name/start object name;
(3) The data in the data model is associated to each physical loop in a data structure index mode, so that the relation mapping of abstract data and the physical loops is realized.
Sixth, three-dimensional panoramic visualization of the secondary system is carried out, and the specific steps are as follows:
(1) Analyzing three-dimensional visual scenes of the secondary control and protection system: based on a secondary object three-dimensional model, a three-dimensional panoramic visualization technology is matched with a model in a database to call a model library, relevant scenes of a converter station, the layout of converter station buildings and equipment, converter station equipment and relevant operation and maintenance information are displayed, a port full path and transmitted electric signals or abstract data information in the secondary system three-dimensional visualization scene are displayed through automatic wiring algorithm, virtual-real loop mapping and other technologies, and three-dimensional visual management of the converter station equipment and relevant data in the three-dimensional panoramic visualization scene is integrally realized;
the specific steps of analyzing the three-dimensional visual scene of the secondary control and protection system are as follows:
b1 Converter station scene view): as shown in fig. 6, the view of the scene of the converter station calls the site building model and the cell model in the model library according to the configuration data of the converter station in the database, and the converter station is displayed in a three-dimensional panoramic visualization mode, so that the distribution and the geographic position of each cell can be intuitively seen. The scene can be used for browsing the whole convertor station scene at 360 degrees, and meanwhile, the scene also comprises zooming in and zooming out of the lens, and clicking a certain cell in the scene or inputting the name of a certain cell in a search box can be automatically switched to the scene of the corresponding cell;
b2 Cell scene view): and as shown in fig. 7 and 8, calling the secondary object models such as a cell model, a screen cabinet model and equipment, a board card, a port and the like of the screen cabinet in the model library according to the cell configuration data in the database, and restoring the scene in the reality of the cell. And adopting an LOD detail level technology, displaying an object by using a proper level according to the distance between the viewpoint and the object model, and drawing by adopting a high-precision LOD model when the camera is relatively close to the viewpoint model, otherwise drawing by adopting a low-precision LOD model.
B3 Screen cabinet scene view): as shown in fig. 9, the screen cabinet model in the model library and the secondary object models of the equipment, the board card, the terminal strip, the idle opening and the like of each screen cabinet are called, and dynamically assembled according to the configuration data of the screen cabinet in the database. The screen cabinet can be moved, rotated, and the lens is zoomed in and zoomed out under the scene; clicking the screen cabinet can display the relevant attribute information of the screen cabinet and all object lists contained in the screen cabinet; as shown in fig. 10, a double-click on a cabinet may enter a cabinet connection relationship view to show all cabinets connected to the cabinet, and clicking on other cabinets may enter a scene view of other cabinets; clicking the objects such as equipment or terminal bars, and the like, and switching the views of the objects; clicking on a cable logo for a cable, fiber optic cable, network cable, etc. may enter the cable scene view.
B4 Cable scene view): as shown in fig. 11, two cabinets in the model library and respective secondary object models constituting the two cabinets are called according to configuration data in the database, and then respective cables connected between the two cabinets are displayed. For convenient and intuitive presentation, the position of the screen cabinet in the cable scene view is not put according to the geographical position of the screen cabinet in the real scene, but the two screen cabinets are moved to the nearest angle position in front of the camera, and the lens can be pulled up for more careful viewing through rotation. Clicking on a cable can look at the type, style, length, core number and the like of the cable; clicking on the opposite side cabinet will jump to the view of the scene of the opposite side cabinet; clicking on the device object will enter the object scene view; double clicking on a cable will display all cores contained in that cable, clicking on the core automatically enters the port full path scene view.
B5 Object scene view): as shown in FIG. 12, the screen cabinet view is switched from, and secondary object models such as equipment, a board card, a port and the like in the model library are called according to configuration data in the database, wherein the screen cabinet model in the object view adopts a simple model. The device, the board card, the port and the like can be operated in the object scene view, and the clicking device can display some basic attributes of the device; as shown in fig. 13, a double-click device may enter a device connection scene view; clicking a certain core can display the attribute of the core, the name of the port of the object, the name of the board card where the port is located, the name of the equipment where the board card is located and the name of the screen cabinet where the equipment is located; clicking on a port on the card may enter the port full path scene view.
B6 Port full path scene view): the port full-path scene view calls secondary object models such as a target screen cabinet, equipment, a board card and the like in a model library and a screen cabinet at the opposite side of connection and the secondary object models contained in the screen cabinet according to data configuration in a database, and simulates connection of cores in a real scene through an automatic fiber core searching and automatic wiring algorithm, as shown in an optical loop scene view in fig. 14 and an electric loop scene view in fig. 15, procedures such as optical cable, cable laying, wiring, optical fiber welding and the like in the construction process are effectively guided, the construction installation efficiency and the accuracy are greatly improved, and an accurate basis is provided for acceptance completion. Clicking ports, terminals, relays and the like can display data information; clicking on the opposite side cabinet or device may enter the opposite side cabinet scene view or the opposite side device object scene view.
(2) Automatic wiring of secondary control and protection system cables: the cable drawing and automatic arrangement are needed for two major displays, namely the in-screen display and the inter-screen display. The network path in the present invention is generated from a series of RCP points connected by spline curves and straight lines. The two points inside the bracket are connected by a straight line segment, and the bracket is connected by a spline curve. Since spline curve formation is only related to its end points, changing the position of the stent will only affect the two curves connected to it. Meanwhile, the support is hidden in the visualization process, so that the visual display effect is optimized. The display effect is as shown in fig. 16:
seventh, smart tag implementation is performed, as shown in fig. 17, and the specific steps are as follows:
(1) Data collection and arrangement, including data such as a total station secondary circuit drawing, a cable album, an equipment schematic diagram, a description and the like;
(2) The physical loop and the information loop are configured through a digital configuration platform;
(3) Based on data configuration, performing label printing and on-site listing and pasting;
(4) The mobile operation terminal is used for checking the visual display information of all the tags, and the specific intelligent tag deployment application effect is shown in fig. 18.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A digital modeling and visualization method for a secondary circuit of a direct current converter station control and protection system is characterized by comprising the following steps:
1) Performing digital modeling on a secondary loop control protection object: defining a physical model in a layered modular mode, respectively making a three-dimensional model and defining physical attributes of a board, equipment and a screen cabinet, and directly defining object levels of other components without board levels in a virtual board mode to form a complete total station physical model library;
2) Performing three-dimensional modeling on a secondary loop control protection object: respectively establishing a minimized universal primitive library for various secondary control and protection objects, and forming a three-dimensional model of a secondary system object by splicing and assembling universal primitives;
3) And performing interaction between the digital model of the secondary loop control protection object and the three-dimensional model: according to the hierarchical characteristics of the physical model, a three-dimensional model interaction interface is established and thinned to the equipment port hierarchy, so that all ports are ensured to have three-dimensional space attributes, and the three-dimensional arrangement and access of cables facing equipment or element ports are met;
4) Performing digital modeling on a secondary loop model: ensuring that all loop relation ID marks related to the system have uniqueness, classifying, designing and managing the loop relation of different hierarchical systems, and establishing the loop relation based on the loop relation ID mark mode, thereby realizing the combination relation design of a complete path;
5) Performing secondary system logic loop modeling: performing digital modeling on abstract data, establishing a data transmission capacity model for various control and protection devices, and associating the data in the data model to each physical loop in a data structure index mode, thereby realizing the relation mapping of the abstract data and the physical loops;
6) Performing three-dimensional panoramic visualization of a secondary system: based on a physical model SPCD file, a logic loop model SDCD file and a control and protection and element object three-dimensional model database, a reverse analysis mode is adopted by the database to realize three-dimensional panoramic visualization of electric loops, optical loops and transmitted information of various buses of a secondary system of a converter station control and protection system;
7) Performing intelligent label implementation: and the intelligent tag based on the two-dimension code technology can scan the two-dimension code through the mobile terminal to display the physical loop information of the transformer substation after modeling the total station loop.
2. The method for digital modeling and visualization of secondary circuit of direct current converter station control protection system according to claim 1, wherein the method for digital modeling of the secondary circuit control protection object comprises the following steps:
21 Defining board card model data;
22 Defining object model data;
23 Defining cabinet model data.
3. The method for digital modeling and visualization of secondary circuit of direct current converter station control protection system according to claim 1, wherein the performing of the three-dimensional modeling of the secondary circuit control protection object comprises the following steps:
31 Performing model decomposition on different objects, classifying to establish minimized basic primitives, and storing in obj format; therefore, the minimum primitive is refined, and a basic primitive library is established in a classification level management mode;
32 Basic graphic element modeling, obtaining the size information of the screen cabinet according to the on-site three-dimensional point cloud scanning or drawing checking modes of the secondary object of the transformer substation, and taking a picture of the corresponding part; in 3DMax, scaling down according to corresponding size by a simple modeling method or a complex modeling method to build a model, then attaching a material map, rendering and outputting to finish the manufacturing of the model;
33 Basic primitive combination, based on basic primitive library, batch calling multiple basic primitives; performing mutual editing operation on the called basic primitive, including adjusting geometric transformations such as the position, the size, the azimuth and the like of the basic primitive; temporarily storing the physical model, and editing and inputting attribute information; and saving and inputting the combined model library.
4. The method for digital modeling and visualization of secondary circuit of direct current converter station control and protection system according to claim 1, wherein the step of performing interaction between the digital model of the secondary circuit control and protection object and the three-dimensional model comprises the following steps:
41 Establishing a three-dimensional model based on Unity3D three-dimensional model making software, setting contents defined by an interactive interface in the process of instantiation, and establishing an instantiated three-dimensional scene hierarchical structure for total station;
42 Judging whether a physical model file in the total station SPCL format exists or not, if not, directly editing SPCL physical attribute contents of the physical model file in the three-dimensional scene for all the level objects; if the physical attribute exists, mapping the physical attribute content in the SPCL to a corresponding three-dimensional model based on the interactive interface attribute;
43 Based on the mode of active editing or automatic mapping in the three-dimensional scene, finally generating the total-station three-dimensional scene model with physical properties.
5. The method for digital modeling and visualization of secondary circuit of direct current converter station control and protection system according to claim 1, wherein the step of performing digital modeling of secondary circuit model comprises the following steps:
51 For various equipment or element objects in the screen cabinet, establishing a point-to-point connection relation of ports or terminals, and carrying out on-screen connection relation IntCore assignment on the connection in the screen;
52 The inter-screen Cable is oriented, a point-to-point connection relation of the inter-screen Cable is established, and a value is assigned to the inter-screen connection relation Cable/Core;
53 The built point-to-point connection relation model facing the inside of the screen cabinet, the full-loop relation model in the screen is built by freely combining the connection relation models, and the uniqueness assignment of the ID of the loop in the screen is carried out according to the type of the loop;
54 The connection relation model between screens is oriented to the connection relation between screens, a full loop relation model oriented to a certain system or a cross-system is established by freely combining the connection relations, and the uniqueness assignment of the loop ID in the system or the cross-system is carried out according to the loop type.
6. The digital modeling and visualization method for the secondary circuit of the direct current converter station control and protection system according to claim 1, wherein the modeling of the logic circuit of the secondary system comprises the following steps:
61 Aiming at the data of each different control and protection device, classifying the contents such as remote signaling, telemetry, alarming and the like;
62 Abstract data and transmission directions are set in IntLoop.info or CableLoop.info, content and directions are split by "/", and each group of data is split by "".
7. The method for digitally modeling and visualizing the secondary circuit of the direct current converter station control and protection system according to claim 1, wherein the performing the three-dimensional panoramic visualization of the secondary system comprises the following steps:
71 Utilizing a secondary object three-dimensional model of a physical loop SPCD file and a world coordinate interface to realize the basic information inquiry of the secondary system three-dimensional imaging and equipment/elements;
72 Port and transfer data mapping of the physical loop and the logical loop is realized through the virtual-real correspondence technology;
73 The automatic wiring technology of the cable in the three-dimensional scene is adopted, and the automatic drawing of the cable in the three-dimensional scene based on the port/contact connection relationship analyzed by the physical loop is realized.
8. The method for digitally modeling and visualizing a secondary circuit of a direct current converter station control and protection system according to claim 1, wherein the smart tag implementation comprises the following steps:
81 Collecting and sorting data such as a total station secondary circuit drawing, a cable album, an equipment schematic diagram, a description and the like;
82 The physical loop and the information loop are configured through the digital configuration platform;
83 Based on data configuration, performing label printing and on-site listing and pasting;
84 Using the mobile work terminal to verify the visual presentation information of all the tags.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117408287A (en) * | 2023-12-15 | 2024-01-16 | 南京乾盈电力科技有限公司 | Intelligent label generation method based on secondary loop |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117408287A (en) * | 2023-12-15 | 2024-01-16 | 南京乾盈电力科技有限公司 | Intelligent label generation method based on secondary loop |
| CN117408287B (en) * | 2023-12-15 | 2024-02-13 | 南京乾盈电力科技有限公司 | Intelligent label generation method based on secondary loop |
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