CN112952799B - Dynamic modeling method for standing book information for intelligent operation and maintenance of power distribution network - Google Patents
Dynamic modeling method for standing book information for intelligent operation and maintenance of power distribution network Download PDFInfo
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- CN112952799B CN112952799B CN202110134356.4A CN202110134356A CN112952799B CN 112952799 B CN112952799 B CN 112952799B CN 202110134356 A CN202110134356 A CN 202110134356A CN 112952799 B CN112952799 B CN 112952799B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The application discloses a standing book information dynamic modeling method for intelligent operation and maintenance of a power distribution network, and relates to the technical field of operation and maintenance of the power distribution network. According to the method, a three-dimensional model of the power distribution network is built by acquiring the standing book information of the power distribution network, then an actual distribution network system parameter corresponding to an actual geographic semantic node is used for building a geographic semantic node model frame on the basis of the three-dimensional model of the power distribution network, a standardized distribution network standing book model is built on the basis of the geographic semantic node model frame through standard distribution network system parameters and equipment, and the actual distribution network system parameter is reversely input into the standardized distribution network standing book model to generate the standing book information of the standardized distribution network standing book model. The method can monitor, change, update and store parameters in the distribution network system in real time, can dynamically correlate with the operation data of the distribution network in real time, and improves the accuracy and efficiency of operation and maintenance management and control.
Description
Technical Field
The application relates to the technical field of intelligent operation and maintenance of power distribution networks, in particular to a dynamic modeling method for standing book information of intelligent operation and maintenance of power distribution networks.
Background
The stable operation of power equipment is a precondition for ensuring the normal operation of a power system, the power supply requirement is continuously improved along with the rapid development of national economy at present, the power distribution network equipment also grows exponentially, and how to utilize limited manpower and material resources to finish the operation and maintenance work of the power distribution network is an important subject for the development of the power distribution network at present.
For operation and maintenance of the power distribution network, when a special operation and maintenance worker periodic inspection mode is used by a power grid enterprise, the problems of low operation and maintenance efficiency and the like caused by huge workload and long operation and maintenance time of the power distribution network exist; and the distribution network has a complex structure and various equipment types, and operation and maintenance workers hardly finish operation and maintenance of all equipment in a standardized mode, so that an intelligent operation and maintenance mode of the distribution network needs to be constructed, thereby improving operation and maintenance efficiency and reducing failure rate.
The information related to the intelligent operation and maintenance process of the distribution network equipment and accessories mainly comprises basic information, topological structure information, position information, appearance structure images, equipment operation information, historical defect fault information, metering points, meter codes, current, voltage, power factors, phase angles, power failure information, line loss information and the like, a flexible and convenient modeling mode is required to be researched, an intelligent monitoring-oriented equipment account model library is constructed, the model data of the distribution network is conveniently inquired, modified and increased, and the modification of the model can be dynamically and real-timely associated with the operation data of the distribution network so as to update the model information in real time, and the accuracy and efficiency of operation and maintenance management and control are improved.
Disclosure of Invention
The utility model provides a standing book information dynamic modeling method for intelligent operation and maintenance of a power distribution network, which aims to solve the problems that the operation and maintenance efficiency is low and a set of standardized flow is difficult to form to operate and maintain all power equipment in the existing operation and maintenance.
The technical scheme adopted by the application is as follows:
a standing book information dynamic modeling method for intelligent operation and maintenance of a power distribution network comprises the following steps:
acquiring the standing account information of a power distribution network system, and constructing a three-dimensional model of the power distribution network;
importing the three-dimensional model of the power distribution network into a database;
acquiring actual distribution network system parameters corresponding to actual geographic semantic nodes, and constructing a geographic semantic node model frame on the basis of the three-dimensional model of the distribution network;
performing system storage on the geographical semantic node model frame;
obtaining standard distribution network system parameters and equipment, and constructing a standardized distribution network ledger model on the basis of the geographical semantic node model frame;
and reversely inputting the parameters of the actual distribution network system into the standardized distribution network ledger model to generate ledger information of the standardized distribution network ledger model.
Further, the method further comprises rendering the standardized distribution network ledger model in which the ledger information is entered according to the actual distribution network system parameters.
Further, the construction of the three-dimensional model of the power distribution network further comprises information construction by taking the geographic semantic nodes as storage objects, and the information construction is used for spatial index, semantic information collection, model rendering and sequential display.
Further, parameters of the standard distribution network system in the distribution network three-dimensional model, the geographical semantic node model frame and the standardized distribution network ledger model can be changed, updated in real time and stored in real time through clients.
Further, the updating of the standard distribution network system parameters in real time by the client comprises:
creating a subdirectory;
accessing the database through the client, and indexing the subdirectory into the corresponding three-dimensional model of the power distribution network, the geographic semantic node model or the standardized power distribution network ledger model;
acquiring the actual distribution network system parameters in the distribution network three-dimensional model, the geographic semantic node model frame or the standardized distribution network ledger model through the geographic semantic node index;
and when the actual distribution network system parameters are judged to be inconsistent with the standard distribution network system parameters according to the distribution change permission and the request set by the client, the standard distribution network system parameters are updated into the actual distribution network system parameters in real time.
Further, the standardized distribution network ledger model is in seamless connection with the intelligent IED, so that monitoring parameters of the intelligent IED can be imported into the standardized distribution network ledger model in real time, and the monitoring parameters are parameters of the actual distribution network system.
Further, the creating a subdirectory includes creating a subdirectory of the distribution network three-dimensional model, the geo-semantic node model framework, and the standardized distribution network ledger model;
creating a subdirectory of the geographical semantic node model frame based on the three-dimensional model of the power distribution network;
creating a subdirectory of the standardized distribution network ledger model based on the geographical semantic node model framework;
and the subdirectories are the standing book information of the distribution network system.
Further, the three-dimensional model of the power distribution network, the geographical semantic node model frame and the standardized power distribution network ledger model are visual three-dimensional models, can be scaled with the power distribution network system, and can display an equipment appearance structure image and ledger information on the equipment appearance structure image.
Further, the ledger information comprises basic information, topological structure information, position information, appearance structure images, equipment operation information, historical defect fault information, metering points, meter codes, current, voltage, power factors, phase angles, power failure information and line loss information.
The technical scheme of the application has the following beneficial effects:
according to the ledger information dynamic modeling method for intelligent operation and maintenance of the power distribution network, firstly, a three-dimensional model of the power distribution network is built by obtaining ledger information of a power distribution network system, then an actual distribution network system parameter corresponding to an actual geographic semantic node is used for building a geographic semantic node model frame on the basis of the three-dimensional model of the power distribution network, then a standardized distribution network ledger model is built on the basis of the geographic semantic node model frame through standard distribution network system parameters and equipment, and the actual distribution network system parameters are reversely input into the standardized distribution network ledger model to generate ledger information of the standardized distribution network ledger model.
By adopting the ledger information dynamic modeling method, the ledger information comprising basic information, topological structure information, position information, appearance structure images, equipment operation information, historical defect fault information, metering points, meter codes, current, voltage, power factors, phase angle, power failure information, line loss information and the like can be monitored; an intelligent standing book model is built through a flexible and convenient modeling mode, and parameters of a standard distribution network system in a three-dimensional model of a distribution network, a geographical semantic node model frame and a standardized distribution network standing book model can be changed, updated in real time and stored in real time through a client; meanwhile, the three-dimensional model, the geographical semantic node model and the standardized distribution network ledger model of the distribution network are set as modifiable models, so that dynamic real-time association can be carried out with the operation data of the distribution network, and the accuracy and the efficiency of operation and maintenance management and control are improved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a flow chart of a method for dynamic modeling of ledger information for intelligent operation and maintenance of a power distribution network;
fig. 2 is a schematic diagram of a real-time update process of parameters of a standard distribution network system according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the present application. Merely as examples of systems and methods consistent with some aspects of the present application as detailed in the claims.
Referring to fig. 1, a flowchart of a dynamic modeling method for ledger information of intelligent operation and maintenance of a power distribution network is shown; referring to fig. 2, a schematic diagram of a real-time update process of parameters of a standard distribution network system according to an embodiment of the present application is provided.
The application provides a standing book information dynamic modeling method for intelligent operation and maintenance of a power distribution network, which comprises the following steps:
s1, constructing a three-dimensional model of the power distribution network.
Dividing a power distribution network system according to a standardized classification system, acquiring the standing account information of the power distribution network system, constructing a three-dimensional model of the power distribution network taking geographic semantics as nodes, and importing the three-dimensional model of the power distribution network into a database.
The power distribution network system comprises a power plant, a transformer substation, a transmission line and the like in the power distribution network system.
The construction of the three-dimensional model of the power distribution network further comprises information construction of taking the geographic semantic nodes as storage objects for spatial indexing, semantic information collection, model rendering and sequential display, and construction information is built and stored.
S2, constructing a geographical semantic node model frame.
Acquiring actual distribution network system parameters corresponding to actual geographic semantic nodes, constructing a geographic semantic node model frame on the basis of a three-dimensional model of the distribution network, and storing the geographic semantic node model frame in a system.
The geographical semantic node model is a model for constructing power plants, substations, transmission lines and the like in a specific geographical area.
S3, constructing a standardized distribution network ledger model.
And acquiring parameters and equipment of a standard distribution network system, and constructing a standardized distribution network ledger model on the basis of a geographical semantic node model framework.
The standardized distribution network ledger model is a modifiable model, and ledger information in the standardized distribution network ledger model can be displayed in real time and can be modified; wherein, the information of the ledger can be modified according to the parameters of the actual distribution network system.
S4, entering standing account information in a standardized distribution network standing account model.
And reversely inputting the parameters of the actual distribution network system into the standardized distribution network ledger model to generate ledger information of the distribution network ledger model.
The standing book information comprises basic information, topological structure information, position information, an appearance structure image, equipment operation information, historical defect fault information, metering points, meter codes, current, voltage, power factors, phase angles, power failure information and line loss information.
And S5, rendering the standardized distribution network ledger model with the ledger information input.
And rendering the standardized distribution network ledger model of the recorded ledger information according to the actual distribution network system parameters. The purpose of rendering is to make the built standardized distribution network ledger model more closely approximate the actual distribution network system.
And the three-dimensional model of the power distribution network, the geographical semantic node model frame and the standardized power distribution network ledger model are built through the steps S1-S5.
Parameters of a standard distribution network system in a three-dimensional model of the distribution network, a geographical semantic node model frame and a standardized distribution network ledger model can be changed, updated and stored in real time through clients.
For ease of indexing, subdirectories of the models are created. Specifically, a subdirectory of a geographical semantic node model frame is created based on a three-dimensional model of the power distribution network; creating a subdirectory of a standardized distribution network ledger model based on the geographical semantic node model framework; the subdirectories of the three-dimensional model of the distribution network, the geographical semantic node model framework and the subdirectories of the standardized distribution network ledger model are ledger information of the distribution network system.
The distribution network system parameters are respectively assigned to the operation parameters of devices contained in a power plant or a transformer substation in a power grid architecture, such as the operation parameters of devices contained in the power plant or transformers, switching devices, lightning protection devices and the like contained in the transformer substation.
The parameters of the distribution network system in the three-dimensional model of the distribution network comprise parameters of a power plant, a transformer substation, a transmission line and the like; the distribution network system parameters of the geographic semantic node model refer to parameters of power plants, substations and transmission lines in a specific geographic area; and standardizing distribution network system parameters of a distribution network ledger model. The system parameters of the distribution network, namely the standing book information, specifically comprise basic information, topological structure information, position information, appearance structure images, equipment operation information, historical defect fault information, metering points, meter codes, current, voltage, power factors, phase angles, power failure information and line loss information.
After creating the subdirectory, the parameters of the standard distribution network system are updated in real time through the client, specifically: firstly, accessing a database through a client, entering a corresponding three-dimensional model of a power distribution network, a geographical semantic node model or a standardized power distribution network ledger model through an index subdirectory, and acquiring actual network distribution system parameters in the three-dimensional model of the power distribution network, a geographical semantic node model frame or the standardized power distribution network ledger model through geographical semantic node indexes.
Then, according to the set authority and the request of the client, judging whether the actual network distribution system parameters are consistent with the standard network distribution system parameters or not: if the actual distribution network system parameters are inconsistent with the standard distribution network system parameters, the client updates the standard distribution network system parameters into the actual distribution network system parameters in real time; if the actual distribution network system parameters are consistent with the standard distribution network system parameters, updating is not needed.
The actual distribution system parameters are obtained through the intelligent IED. The standardized distribution network ledger model is in seamless connection with the intelligent IED, so that the monitoring parameters of the intelligent IED can be imported into the standardized distribution network ledger model in real time, and the monitoring parameters in the standardized distribution network ledger model, namely the actual distribution network system parameters, are imported.
The embodiment of the application further comprises: in order to facilitate correspondence with equipment in an actual distribution network system when checking the ledger information, a distribution network three-dimensional model, a geographical semantic node model frame and a standardized distribution network ledger model are used as visual three-dimensional models. When the three-dimensional model of the power distribution network, the geographical semantic node model frame and the standardized power distribution network ledger model are all visual three-dimensional models, scaling with the power distribution network system can be achieved, an appearance structure image can be displayed, standardized classification system ledger information is displayed on a specific appearance structure image, and the standardized classification system ledger information is related to each other according to a logic principle.
According to the ledger information dynamic modeling method for intelligent operation and maintenance of the power distribution network, firstly, a three-dimensional model of the power distribution network is built by obtaining ledger information of a power distribution network system, then an actual distribution network system parameter corresponding to an actual geographic semantic node is used for building a geographic semantic node model frame on the basis of the three-dimensional model of the power distribution network, then a standardized distribution network ledger model is built on the basis of the geographic semantic node model frame through standard distribution network system parameters and equipment, and the actual distribution network system parameters are reversely input into the standardized distribution network ledger model to generate ledger information of the standardized distribution network ledger model.
By adopting the ledger information dynamic modeling method, the ledger information comprising basic information, topological structure information, position information, appearance structure images, equipment operation information, historical defect fault information, metering points, meter codes, current, voltage, power factors, phase angle, power failure information, line loss information and the like can be monitored, the power distribution network model data can be conveniently inquired, modified and increased, and meanwhile, the three-dimensional model, the geographical semantic node model and the standardized power distribution network ledger model of the power distribution network are set as modifiable models, and can be dynamically and real-timely associated with the power distribution network operation data, so that the model information can be updated in real time, and the accuracy and efficiency of operation and maintenance management and control are improved.
The foregoing detailed description of the embodiments is merely illustrative of the general principles of the present application and should not be taken in any way as limiting the scope of the invention. Any other embodiments developed in accordance with the present application without inventive effort are within the scope of the present application for those skilled in the art.
Claims (9)
1. The utility model provides a platform account information dynamic modeling method for intelligent operation and maintenance of a power distribution network, which is characterized by comprising the following steps:
acquiring the standing account information of a power distribution network system, and constructing a three-dimensional model of the power distribution network;
importing the three-dimensional model of the power distribution network into a database;
acquiring actual distribution network system parameters corresponding to actual geographic semantic nodes, and constructing a geographic semantic node model frame on the basis of the three-dimensional model of the distribution network;
performing system storage on the geographical semantic node model frame;
obtaining standard distribution network system parameters and equipment, and constructing a standardized distribution network ledger model on the basis of the geographical semantic node model frame;
and reversely inputting the parameters of the actual distribution network system into the standardized distribution network ledger model to generate ledger information of the standardized distribution network ledger model.
2. The method for dynamic modeling of ledger information for intelligent operation and maintenance of power distribution network according to claim 1, further comprising rendering the standardized distribution network ledger model into which the ledger information has been entered according to the actual distribution network system parameters.
3. The method for dynamic modeling of ledger information for intelligent operation and maintenance of power distribution network according to claim 1, wherein the construction of the three-dimensional model of the power distribution network further comprises information construction by taking the geographic semantic nodes as storage objects for spatial indexing, semantic information collection, model rendering and sequential display.
4. The method for dynamic modeling of ledger information for intelligent operation and maintenance of power distribution network according to claim 1, characterized in that parameters of standard distribution network systems in the three-dimensional model of power distribution network, the geographical semantic node model frame and the standardized distribution network ledger model can be changed, updated in real time and stored in real time by clients.
5. The method for dynamic modeling of ledger information for intelligent operation and maintenance of power distribution network according to claim 4, wherein the real-time updating of standard distribution network system parameters by clients comprises:
creating a subdirectory;
accessing the database through the client, and indexing the subdirectory into the corresponding three-dimensional model of the power distribution network, the geographic semantic node model or the standardized power distribution network ledger model;
acquiring the actual distribution network system parameters in the distribution network three-dimensional model, the geographic semantic node model frame or the standardized distribution network ledger model through the geographic semantic node index;
and updating the standard distribution network system parameters into the actual distribution network system parameters in real time when the actual distribution network system parameters are inconsistent with the standard distribution network system parameters according to the distribution change permission and the request set by the client.
6. The method for dynamic modeling of ledger information for intelligent operation and maintenance of power distribution network according to claim 5, wherein the standardized power distribution network ledger model is seamless to intelligent IEDs, so that monitoring parameters of the intelligent IEDs can be imported into the standardized power distribution network ledger model in real time, and the monitoring parameters are parameters of the actual power distribution network system.
7. The method for dynamic modeling of ledger information for intelligent operation and maintenance of a power distribution network according to claim 5, wherein creating a subdirectory comprises creating subdirectories of the three-dimensional model of the power distribution network, the geo-semantic node model framework, and the standardized power distribution network ledger model;
creating a subdirectory of the geographical semantic node model frame based on the three-dimensional model of the power distribution network;
creating a subdirectory of the standardized distribution network ledger model based on the geographical semantic node model framework;
and the subdirectories are the standing book information of the distribution network system.
8. The dynamic modeling method of ledger information for intelligent operation and maintenance of power distribution network according to claim 1, wherein the three-dimensional model of power distribution network, the geographical semantic node model frame and the standardized power distribution network ledger model are visual three-dimensional models, which can be scaled with the power distribution network system, and can display the equipment appearance structure image and the ledger information on the equipment appearance structure image.
9. The method for dynamic modeling of ledger information for intelligent operation and maintenance of power distribution network according to any one of claims 1 to 8, wherein the ledger information includes basic information, topology information, location information, appearance structure image, equipment operation information, historical defect failure information, metering points, meter codes, current, voltage, power factor, phase angle, outage information and line loss information.
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Effective date of registration: 20211020 Address after: 650217 No. 105 Yunda West Road, Kunming Economic and Technological Development Zone, Yunnan Province Applicant after: ELECTRIC POWER RESEARCH INSTITUTE, YUNNAN POWER GRID Co.,Ltd. Applicant after: YUXI POWER SUPPLY BUREAU OF YUNNAN POWER GRID Co.,Ltd. Address before: 650217 No. 105 Yunda West Road, Kunming Economic and Technological Development Zone, Yunnan Province Applicant before: ELECTRIC POWER RESEARCH INSTITUTE, YUNNAN POWER GRID Co.,Ltd. |
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