CN112967376B - Data-driven transformer substation three-dimensional model establishing method and device - Google Patents
Data-driven transformer substation three-dimensional model establishing method and device Download PDFInfo
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- CN112967376B CN112967376B CN202110216345.0A CN202110216345A CN112967376B CN 112967376 B CN112967376 B CN 112967376B CN 202110216345 A CN202110216345 A CN 202110216345A CN 112967376 B CN112967376 B CN 112967376B
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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Abstract
The invention discloses a method and a device for establishing a three-dimensional model of a transformer substation based on data driving, wherein the method comprises the following steps: acquiring connection relations between equipment data and equipment in the transformer substation based on a transformer substation basic data source, and analyzing to obtain a bus connection mode; carrying out feature recognition on the transformer substation planar design drawing, and acquiring position information of each interval or equipment to obtain the arrangement mode of the transformer substation; and selecting a corresponding general design template based on the arrangement mode of the transformer substation, matching a corresponding device model from a device model library according to the device data, and establishing a three-dimensional model of the transformer substation based on the wiring mode of the bus. The method solves the problems that the building and maintenance cost of the three-dimensional model of the transformer substation is high, and the communication between the model and the service data is easy to make mistakes.
Description
Technical Field
The invention relates to the technical field of transformer substations, in particular to a transformer substation three-dimensional model establishing method and device based on data driving.
Background
With the overall acceleration of the construction of an extra-high voltage power grid, the rapid development of new energy and the deep promotion of electric power marketization, the characteristics of the integrated operation of the power grid become more obvious, and the requirements for implementing centralized analysis and decision, business cooperation among multiple specialties, cross-dispatching mechanism communication and the like are more urgent. The power grid is taken as a heavy public asset type enterprise, a three-dimensional digital twin technology is utilized, a power grid entity in the real world is displayed in the digital world in a virtualized mode, and on the basis, analysis decision and cross-professional business cooperation are carried out, so that the situation is particularly comparative. In 2016, a three-dimensional graph of power grid equipment is collected and published, and three-dimensional data center construction is carried out successively, however, in the process of restoring a real power grid and promoting three-dimensional data application, some problems are found to exist, and popularization and application are influenced:
(1) the inventory substation three-dimensional model acquisition cost is still high. Aiming at the newly-built power transmission and transformation project, the national grid capital construction department starts the construction of a digital project center to realize the transfer of the three-dimensional design result of the newly-built power transmission and transformation project; aiming at an inventory transformer substation, the laser scanning modeling cost of a 500kV transformer substation is more than twenty thousand at present, a 200kV transformer substation also needs hundreds of thousands, equipment departments popularize transformer substation modeling and model ledger fusion work from 2016, all network and provincial companies plan to complete the modeling work of all transformer substations above 500kV and a plurality of 220kV transformer substations in a small-range trial, and a large number of transformer substations of 220kV and below still have the three-dimensional digital requirement. If laser scanning modeling is used for all the stock stations, the investment scale is too large.
(2) The updating and maintaining cost of the transformer substation model is high. At present, a three-dimensional model of a transformer substation is mainly modeled after a one-time laser scanner is used for scanning, and the model cannot be accurately updated and maintained aiming at equipment replacement and the like in the transformer substation, particularly after the transformer substation is subjected to large-scale reconstruction and extension. If the model needs to be updated and maintained, the model is required to be scanned again and modeled once, and the cost is high.
(3) The communication between the three-dimensional model and the service data is time-consuming and labor-consuming. The mode that three-dimensional model and service data link up to adopt is examined in the fortune at present, after the model is accomplished, carries out the individuation to each equipment, then artificial carries out the one-to-one according to the equipment standing book, and this kind of mode often wastes time and energy and does not have a good discussion, often has the standing book to articulate wrong phenomenon, causes the repeated check of model, returns the situation of revising many times.
Due to the problems, the three-dimensional model data of the transformer substation cannot be popularized and applied in a large area, so that a transformer substation modeling mode which is low in cost, easy to popularize and simple and convenient to maintain needs to be researched and found.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a method and a device for establishing a three-dimensional model of a transformer substation based on data driving, and solves the problems that the establishment and maintenance cost of the three-dimensional model of the transformer substation is high, and the communication between the model and service data is easy to make mistakes.
In order to achieve the above purpose, the invention adopts the following technical scheme: a transformer substation three-dimensional model building method based on data driving comprises the following steps:
acquiring connection relations between equipment data and equipment in the transformer substation based on a transformer substation basic data source, and analyzing to obtain a bus connection mode;
carrying out feature recognition on the transformer substation planar design drawing, and acquiring position information of each interval or equipment to obtain the arrangement mode of the transformer substation;
and selecting a corresponding general design template based on the arrangement mode of the transformer substation, matching a corresponding device model from a device model library according to the device data, and establishing a three-dimensional model of the transformer substation based on the wiring mode of the bus.
Further, the basic data source is: a primary wiring diagram or a regulation and control standing book.
Furthermore, relevant information of each interval and equipment in a main transformer and a high-medium voltage side in the station is extracted through reading and analyzing the basic data source, and the wiring mode of the bus is obtained through analysis.
Further, the information related to the interval and the device includes: device information and topology connection information.
Further, the method for identifying the characteristics of the substation planar design drawing comprises the following steps:
preprocessing a planar design drawing, extracting image characteristics, identifying repeated patterns, extracting transformer substation space information in the design drawing, and acquiring regional position information of each interval.
Further, the method for constructing the equipment model library comprises the following steps:
and 3ds Max software is utilized to create a basic model outline based on the three-dimensional surface data of the point cloud, fine modeling of a structural unit or a single device is carried out according to image data and the design standard of the device, and after the device model is built, the model is mapped to form a device model library.
A data-driven substation three-dimensional model building device comprises:
the wiring mode acquisition module is used for acquiring the connection relation between equipment data and equipment in the transformer substation based on a transformer substation basic data source and analyzing to obtain the wiring mode of the bus;
the arrangement mode acquisition module is used for carrying out feature recognition on the transformer substation planar design drawing, acquiring position information of each interval or equipment and obtaining the arrangement mode of the transformer substation;
and the three-dimensional model establishing module is used for selecting a corresponding general design template based on the arrangement mode of the transformer substation, matching a corresponding equipment model from the equipment model library according to the equipment data, and establishing a transformer substation three-dimensional model based on the wiring mode of the bus.
Further, the basic data source is: a primary wiring diagram or a regulation and control standing book;
extracting relevant information of each interval and equipment in a main transformer and a high and medium voltage side in a station through reading and analyzing a basic data source, and analyzing to obtain a wiring mode of a bus;
the information related to the interval and the device comprises: device information and topology connection information.
Further, the method for identifying the characteristics of the substation planar design drawing comprises the following steps:
preprocessing a planar design drawing, extracting image characteristics, identifying repeated patterns, extracting transformer substation space information in the design drawing, and acquiring regional position information of each interval.
Further, the method for constructing the equipment model library comprises the following steps:
and 3ds Max software is utilized to create a basic model outline based on the three-dimensional surface data of the point cloud, fine modeling of a structural unit or a single device is carried out according to image data and the design standard of the device, and after the device model is built, the model is mapped to form a device model library.
The invention achieves the following beneficial effects: the method has the advantages that data such as a primary wiring diagram or a regulation and control standing book are used as standard data sources, a three-dimensional model of the transformer substation is constructed quickly and accurately, comprehensive ground application of three-dimensional visual monitoring services based on large regulation and control data is achieved, and the problems that currently, for transformer substations with storage of 220kV or below, laser modeling cost is high, popularization difficulty is high, data association depends on manpower, workload is large, no dynamic updating mechanism exists and the like are solved. Through researching feature recognition based on a design drawing, the layout information of typical intervals or equipment in the station is extracted, the spatial position information of the equipment is reserved in the three-dimensional reconstruction process, and the model is ensured to be in accordance with the basic layout features of the power station. The problems that the building and maintenance cost of a three-dimensional model of the transformer substation is high, and the model is communicated with service data easily to make mistakes are solved.
Detailed Description
The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
a transformer substation three-dimensional model building method based on data driving comprises the following steps:
step 1, acquiring connection relations between equipment data and equipment in a transformer substation based on a transformer substation basic data source, and analyzing to obtain a bus connection mode;
the basic data sources are: a primary wiring diagram or a regulation and control standing book;
through reading and analyzing a primary wiring diagram or a regulation and control standing book in a station, relevant information of each interval and equipment in a main transformer and a high-medium voltage side in the station is extracted, and the relevant information of the interval and the equipment comprises: and equipment information and topological connection information, and the wiring mode of the bus can be analyzed and obtained through the information.
Step 2, carrying out feature recognition on the transformer substation planar design drawing, and acquiring position information of each interval or equipment to obtain the arrangement mode of the transformer substation;
the method for carrying out feature recognition on the transformer substation planar design drawing comprises the following steps:
the method comprises the steps of preprocessing a plane design drawing, extracting image characteristics, identifying characteristics and identifying a repeated mode, finally extracting transformer substation space information in the design drawing, wherein the transformer substation space information comprises the positions of a main block, a high-voltage block, a medium-voltage block and a low-voltage block, and acquiring region position information of each interval, so that three-dimensional reconstruction based on the drawing position is realized by combining business account book data.
And identifying each block and each equipment interval based on the transformer substation plane design drawing, and finally extracting spatial position information required by modeling. Generally, the layout of each station is different, and the types and the arrangement of the equipment in each interval are also different, which finally results in that the image features in the plan view are difficult to identify, and overhead lines are also often regarded as noise interference final results in feature extraction. Especially, more GIS equipment is often adopted in indoor stations, and power stations and layout have various characteristics, so that great difficulty is caused in extracting spatial information. Therefore, most outdoor stations are selected, and information extraction of each equipment interval in the power station is achieved.
And 3, selecting a proper universal design template based on the arrangement mode of the transformer substation, matching a proper equipment model from the equipment model library according to the equipment data, and establishing a transformer substation three-dimensional model based on the wiring mode of the bus.
A universal design template is designed in advance according to the arrangement mode of the transformer substation, and then a proper equipment model is matched in the template to construct a three-dimensional model of the transformer substation.
According to different devices, a proper model is matched from the three-dimensional model library, the three-dimensional model of the transformer substation is constructed quickly and efficiently, and the monitoring visualization application requirement of regulating and controlling big data is met.
In the process of constructing the equipment model library, 3ds Max software is firstly utilized to create a model basic outline based on the three-dimensional surface data of the point cloud, and then the fine modeling of a structural unit or an equipment monomer is carried out by referring to image data and relevant design standards of the equipment. After the device model is built, the model needs to be mapped so that the model is more realistic in appearance. And organizing the established models by using a corresponding management system to establish a usable equipment model library. Of course, the library of device models may be updated in real time. In the organized device model library, the textures of the models are included in addition to the model geometry.
The method has the advantages that data such as a primary wiring diagram or a regulation and control standing book are used as standard data sources, a three-dimensional model of the transformer substation is constructed quickly and accurately, comprehensive ground application of three-dimensional visual monitoring services based on large regulation and control data is achieved, and the problems that currently, for transformer substations with storage of 220kV or below, laser modeling cost is high, popularization difficulty is high, data association depends on manpower, workload is large, no dynamic updating mechanism exists and the like are solved. Through researching feature recognition based on a design drawing, the arrangement information of typical intervals or equipment in the station is extracted, the space position information of the equipment is reserved in the three-dimensional reconstruction process, and the model is ensured to accord with the basic arrangement features of the power station.
Example 2:
a data-driven substation three-dimensional model building device comprises:
the wiring mode acquisition module is used for acquiring the connection relation between equipment data and equipment in the transformer substation based on a transformer substation basic data source and analyzing to obtain the wiring mode of the bus;
the arrangement mode acquisition module is used for carrying out feature recognition on the transformer substation planar design drawing, acquiring position information of each interval or equipment and obtaining the arrangement mode of the transformer substation;
and the three-dimensional model establishing module is used for selecting a corresponding general design template based on the arrangement mode of the transformer substation, matching a corresponding equipment model from the equipment model library according to the equipment data, and establishing a transformer substation three-dimensional model based on the wiring mode of the bus.
Further, the basic data source is: a primary wiring diagram or a regulation and control standing book;
extracting relevant information of each interval and equipment in a main transformer and a high and medium voltage side in a station through reading and analyzing a basic data source, and analyzing to obtain a wiring mode of a bus;
the information related to the interval and the device comprises: device information and topology connection information.
Further, the method for identifying the characteristics of the substation planar design drawing comprises the following steps:
preprocessing a planar design drawing, extracting image characteristics, identifying repeated patterns, extracting transformer substation space information in the design drawing, and acquiring regional position information of each interval.
Further, the method for constructing the equipment model library comprises the following steps:
and 3ds Max software is utilized to create a basic model outline based on the three-dimensional surface data of the point cloud, fine modeling of a structural unit or a single device is carried out according to image data and the design standard of the device, and after the device model is built, the model is mapped to form a device model library.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A transformer substation three-dimensional model building method based on data driving is characterized in that: the method comprises the following steps:
acquiring connection relations between equipment data and equipment in the transformer substation based on a transformer substation basic data source, and analyzing to obtain a bus connection mode;
carrying out feature recognition on the transformer substation planar design drawing, and acquiring position information of each interval or equipment to obtain the arrangement mode of the transformer substation;
selecting a corresponding general design template based on the arrangement mode of the transformer substation, matching a corresponding device model from a device model library according to the device data, and establishing a three-dimensional model of the transformer substation based on a wiring mode of a bus;
the basic data sources are: a primary wiring diagram or a regulation and control standing book;
the method for carrying out feature recognition on the transformer substation planar design drawing comprises the following steps:
preprocessing a planar design drawing, extracting image characteristics, identifying repeated patterns, extracting transformer substation space information in the design drawing, and acquiring regional position information of each interval.
2. The method for establishing the three-dimensional model of the transformer substation based on the data driving as claimed in claim 1, wherein the method comprises the following steps: and extracting relevant information of each interval and equipment in a main transformer and a high and medium voltage side in the station through reading and analyzing the basic data source, and analyzing to obtain a wiring mode of the bus.
3. The method for establishing the three-dimensional model of the transformer substation based on the data driving as claimed in claim 2, wherein the method comprises the following steps: the information related to the interval and the device comprises: device information and topology connection information.
4. The method for establishing the three-dimensional model of the transformer substation based on the data driving as claimed in claim 1, wherein the method comprises the following steps: the method for constructing the equipment model library comprises the following steps:
and (3) creating a basic outline of the model based on the three-dimensional surface data of the point cloud by using three-dimensional software, finely modeling a structural unit or a single device according to the image data and the design standard of the device, and pasting the model after the device model is built to form a device model library.
5. A transformer substation three-dimensional model building device based on data driving is characterized in that: the method comprises the following steps:
the wiring mode acquisition module is used for acquiring the connection relation between equipment data and equipment in the transformer substation based on a transformer substation basic data source and analyzing to obtain the wiring mode of the bus;
the arrangement mode acquisition module is used for carrying out feature recognition on the transformer substation planar design drawing, acquiring position information of each interval or equipment and obtaining the arrangement mode of the transformer substation;
the three-dimensional model building module is used for selecting a corresponding general design template based on the arrangement mode of the transformer substation, matching a corresponding equipment model from an equipment model library according to the equipment data, and building a transformer substation three-dimensional model based on the wiring mode of a bus;
wherein the basic data source is: a primary wiring diagram or a regulation and control standing book;
extracting relevant information of each interval and equipment in a main transformer and a high and medium voltage side in a station through reading and analyzing a basic data source, and analyzing to obtain a wiring mode of a bus;
the information related to the interval and the device comprises: device information and topology connection information;
the method for carrying out feature recognition on the transformer substation planar design drawing comprises the following steps:
preprocessing a planar design drawing, extracting image characteristics, identifying repeated patterns, extracting transformer substation space information in the design drawing, and acquiring regional position information of each interval.
6. The data-driven substation three-dimensional model building device according to claim 5, is characterized in that: the method for constructing the equipment model library comprises the following steps:
and (3) creating a basic outline of the model based on the three-dimensional surface data of the point cloud by using three-dimensional software, finely modeling a structural unit or a single device according to the image data and the design standard of the device, and pasting the model after the device model is built to form a device model library.
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| CN107025323A (en) * | 2016-12-29 | 2017-08-08 | 南京南瑞信息通信科技有限公司 | A kind of transformer station's fast modeling method based on ATL |
| CN106960103A (en) * | 2017-03-30 | 2017-07-18 | 国网福建省电力有限公司 | The automatic generation method and device of a kind of grid graph |
| CN111241610A (en) * | 2018-11-09 | 2020-06-05 | 阿里巴巴集团控股有限公司 | Three-dimensional modeling method, three-dimensional modeling device, computing equipment and storage medium |
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