CN115577011A - Power transmission line monitoring method and related equipment - Google Patents
Power transmission line monitoring method and related equipment Download PDFInfo
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- CN115577011A CN115577011A CN202211300841.5A CN202211300841A CN115577011A CN 115577011 A CN115577011 A CN 115577011A CN 202211300841 A CN202211300841 A CN 202211300841A CN 115577011 A CN115577011 A CN 115577011A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2462—Approximate or statistical queries
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
Abstract
The embodiment of the invention discloses a power transmission line monitoring method and related equipment, wherein the method comprises the following steps: acquiring historical data of a target area, wherein the historical data comprises historical geological disaster data and historical hydrometeorological data; determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters; obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters; and generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines. By combining the importance of the power transmission line and the risk level of the area where the power transmission line is located, different power transmission line monitoring strategies are generated, differentiated monitoring scheme deployment is carried out, and high monitoring efficiency and low monitoring cost are guaranteed to be considered in the monitoring process of the power transmission line.
Description
Technical Field
The invention relates to the technical field of power transmission line monitoring, in particular to a power transmission line monitoring method and related equipment.
Background
The rainfall capacity of the south China is abundant all the year round, mountain bodies in the Yunobu plateau area are densely grouped, geological disasters such as landslide and debris flow caused by strong rainfall occur frequently, and the power grid engineering is taken as a typical linear engineering and is bound to face the threat of the geological disasters under the conditions of complex landform, rainfall, structure, stratum, altitude and the like.
At present, most scholars at home and abroad focus on research on the cause and the occurrence process of a geological disaster body or mechanical acquisition of basic deformation data of a power transmission line, the damage mechanism of the power transmission line-the geological disaster is not accurately mastered, the safety state of the power transmission line in a high-risk area of the geological disaster cannot be accurately evaluated, in addition, the research on a rapid emergency rescue and first-aid strategy after the geological disaster occurs is lacked, the research is dispersed at present, the work focus before, during and after the geological disaster of the power transmission line is lacked of systematic consideration, and the guidance on disaster prevention, disaster reduction and rescue of a large power grid under the geological disaster is weak. Meanwhile, due to the fact that power grid engineering is diversified, the whole-line spreading monitoring is achieved by the same monitoring mode at present, pertinence is lacked, namely a unified monitoring strategy is adopted for a line needing high-precision high-frequency monitoring, the situation that monitoring is not in place is easily caused, and meanwhile, the unified monitoring strategy is adopted for the line not needing high-precision high-frequency monitoring, and cost waste is easily caused.
Disclosure of Invention
In view of the above, the invention provides a power transmission line monitoring method and related equipment, which are used for solving the problems of inaccurate monitoring and resource waste caused by the fact that the same monitoring mode is adopted to realize full-line spreading monitoring in the prior art. In order to achieve one or a part of or all of the above or other objects, the present invention provides a method for monitoring a power transmission line, including: acquiring historical data of a target area, wherein the historical data comprises historical geological disaster data and historical hydrometeorological data;
determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters;
obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters;
and generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines.
Optionally, before the step of determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters, the method further includes:
extracting basic information in the historical data by using a geographic information tool;
according to a preset data storage format, carrying out uniform vectorization and structuralization processing on data in different forms in the basic information to obtain target data information;
and building a geological disaster historical database based on the GIS technology and the target data information.
Optionally, the step of determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting feature factors of the different types of disasters includes:
determining the position information of the target type disaster occurrence position and the time information of the target type disaster occurrence position in the target area according to the historical ground disaster data;
determining geological information of the target type disaster occurrence place in the target area based on the position information of the target type disaster occurrence place in the target area;
determining the hydrological meteorological data in a preset time period at the position where the target type disaster occurs based on the historical hydrological meteorological data;
determining development conditions and destruction conditions of the target variety disasters according to the geological information of the target variety disaster site and the hydrological meteorological data within a preset time period of the target variety disaster site;
and determining characteristic factors of the target type disasters based on the development conditions and the destruction conditions of the target type disasters.
Optionally, the step of obtaining a disaster risk map of the target area based on the hydrographic weather forecast information of different positions in the target area and the characteristic factors of different types of disasters includes:
setting a weight for the characteristic factor;
calculating risk scores for different locations within the target area based on the weights and the hydrological weather forecast information for the different locations within the target area;
matching the risk score with thresholds of different risk grades to determine the risk grades of different positions in the target area;
and integrating the risk grades of different positions in the target area to obtain a disaster risk map of the target area.
Optionally, before the step of generating the power transmission line monitoring policy based on the disaster risk map and the importance degrees of the power transmission lines at different positions in the target area, the method further includes:
taking the power transmission lines at different positions in the target area as target power transmission lines;
acquiring the voltage grade of the target power transmission line and an action value of the target power transmission line in a complete power transmission network, wherein the action value is used for representing the action size of the target power transmission line in the complete power transmission network, and the action value of the target power transmission line in the complete power transmission network is in a direct proportional relation with the action size of the target power transmission line in the complete power transmission network;
and determining the importance degree of the power transmission line according to the voltage grade of the target power transmission line and the action value of the target power transmission line in the complete power transmission network.
Optionally, the step of obtaining the effect of the target transmission line in the complete transmission network includes:
acquiring the position of the target power transmission line in the complete power transmission network;
and predicting an actual loss value generated after the target power transmission line fails, and taking the actual loss value as the action value.
Optionally, the step of generating the power transmission line monitoring strategy based on the disaster risk map and the importance degrees of the power transmission lines at different positions in the target area includes:
determining monitoring frequencies of the power transmission lines at different positions in the target area based on the disaster risk graph;
determining monitoring means aiming at the power transmission lines at different positions in the target area according to the importance degrees of the power transmission lines at different positions in the target area;
and generating the power transmission line monitoring strategy based on the monitoring frequency and the monitoring means.
On the other hand, this application provides a transmission line monitoring devices, monitoring devices includes:
the data acquisition module is used for acquiring historical data of a target area, wherein the historical data comprises historical geological data and historical hydrometeorological data;
the characteristic factor extraction module is used for determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data and extracting characteristic factors of the different types of disasters;
the drawing module is used for obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters;
and the strategy generation module is used for generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines.
In a third aspect, an embodiment of the present application provides an electronic device, including: the power transmission line monitoring system comprises a processor, a memory and a bus, wherein the memory stores machine-readable instructions executable by the processor, when an electronic device runs, the processor and the memory are communicated through the bus, and the machine-readable instructions are executed by the processor to execute the steps of the power transmission line monitoring method.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the steps of the power transmission line monitoring method are performed as described above.
The embodiment of the invention has the following beneficial effects:
obtaining historical data of a target area, wherein the historical data comprises historical geological disaster data and historical hydrometeorological data; determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters; obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters; and generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines. Different transmission line monitoring strategies are generated by combining the importance of the transmission line and the risk level of the area where the transmission line is located, differentiated monitoring scheme deployment is carried out, and high monitoring efficiency and low monitoring cost are guaranteed to be considered in the monitoring process of the transmission line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
fig. 1 is a flowchart of a power transmission line monitoring method according to an embodiment of the present disclosure;
fig. 2 is a flowchart of another power transmission line monitoring method provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram of a power transmission line monitoring device according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a storage medium according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present application provides a power transmission line monitoring method, including:
s101, acquiring historical data of a target area, wherein the historical data comprises historical geological disaster data and historical hydrometeorological data;
illustratively, historical data in a research area are collected and a disaster database is built, historical disaster data are processed by adopting a statistical method and a data collection method, the historical occurring disasters are classified and counted in scale, position and time according to disaster types, such as landslides, debris flows, ground cracks, collapse, ground collapse and the like, and distribution calibration of the disasters is carried out by adopting geographic information tools such as arcgis and the like.
S102, determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters;
illustratively, aiming at disaster types such as landslides, debris flows, ground subsidence and ground cracks, and combining development conditions and destruction conditions of the disasters, characteristic factors of the disasters are extracted.
S103, obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters;
illustratively, a total score coefficient is calculated through a disaster distribution characteristic factor and a characteristic factor weight value of a specific disaster type according to an illustration calculation method, the risk level of the disaster is obtained through the score coefficient, and a disaster risk map of the target area is obtained through GIS development distribution map drawing.
And S104, generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines.
Illustratively, according to the voltage level and the spatial distribution rule of the disaster risk, a differentiated monitoring scheme is selected and matched according to the disaster risk graph.
Obtaining historical data of a target area, wherein the historical data comprises historical geological disaster data and historical hydrometeorological data; determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrological meteorological data, and extracting characteristic factors of the different types of disasters; obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters; and generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines. Different transmission line monitoring strategies are generated by combining the importance of the transmission line and the risk level of the area where the transmission line is located, differentiated monitoring scheme deployment is carried out, and high monitoring efficiency and low monitoring cost are guaranteed to be considered in the monitoring process of the transmission line.
In a possible implementation manner, before the step of determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters, the method further includes:
extracting basic information in the historical data by using a geographic information tool;
according to a preset data storage format, carrying out uniform vectorization and structuralization processing on data in different forms in the basic information to obtain target data information;
and building a geological disaster historical database based on the GIS technology and the target data information.
Illustratively, basic information (gradient, slope direction, elevation, rainfall data and the like) in the historical disaster data is extracted by combining ArcGIS with geographic information tools such as Python and the like, unified vectorization and structurization are carried out on data in different forms such as tables, pictures and the like in the basic information according to a standardized, scientific and reasonable preset data storage format, and an Oracle or PostgreSQL and the like are used as a database management platform to build a power grid geological disaster GIS database so as to provide structure unified spatial data for subsequent geological disaster distribution, drawing analysis and evaluation.
In a possible embodiment, the step of determining development conditions and destruction conditions of different types of disasters according to the historical geological data and the historical hydrometeorological data and extracting characteristic factors of the different types of disasters includes:
determining position information of a target disaster occurrence position and time information of the target disaster occurrence position in the target area according to the historical geological disaster data;
determining geological information of the target type disaster occurrence place in the target area based on the position information of the target type disaster occurrence place in the target area;
determining the hydrometeorological data within a preset time period at the position where the target type disaster occurs based on the historical hydrometeorological data;
determining development conditions and destruction conditions of the target variety disasters according to the geological information of the target variety disaster site and the hydrological meteorological data within a preset time period of the target variety disaster site;
and determining characteristic factors of the target type disasters based on the development conditions and the destruction conditions of the target type disasters.
Exemplarily, the position information of the landslide hazard occurring place in the target area and the time information of the landslide hazard occurring place where the target type disaster occurs are determined according to the historical landslide data, the geological information of the landslide hazard occurring place in the target area is determined based on the position information of the landslide hazard occurring place in the target area, the geological information includes conditions such as slope deformation damage condition, gradient (degree), stratum lithology and rock-soil body structure, seismic intensity, human engineering activity and the like, the hydrological meteorological data in a preset time period of the landslide hazard occurring place is determined based on the historical hydrological meteorological data, the hydrological meteorological data in the preset time period includes conditions such as maximum rainfall (mm) in three days, and then the characteristic factor of the landslide hazard is determined based on the development condition and the damage condition of the landslide hazard as follows: slope deformation damage condition, three-day maximum rainfall (mm), gradient (degree), stratum lithology and rock-soil body structure, earthquake intensity and human engineering activities.
In a possible embodiment, the step of obtaining a disaster risk map of the target area based on the hydrometeorological forecast information and the characteristic factors of different types of disasters at different positions in the target area includes:
setting a weight for the characteristic factor;
calculating risk scores for different locations within the target area based on the weights and the hydrological weather forecast information for the different locations within the target area;
matching the risk score with thresholds of different risk grades to determine the risk grades of different positions in the target area;
and integrating risk levels of different positions in the target area to obtain a disaster risk map of the target area.
Illustratively, geological disasters are classified according to association factors, such as landslide, and are characterized by 6 association factors, namely slope deformation damage conditions, three-day maximum rainfall (mm), gradient (degree), stratum lithology and geotechnical body structure, seismic intensity and human engineering activities, and weight assignment is performed on 6 basic characteristics according to historical experience, and weights are respectively given to 0.3, 0.2, 0.15, 0.10 and 0.10, and in each association factor, the association factors are scored according to the strength of each association factor, such as the three-day maximum rainfall: score 200mm, score 40, score 85-200mm, score 30, score 40-85mm, score 10, <40mm, score 1, and then, according to the weighted average, giving out the landslide geological disaster susceptibility score under the comprehensive evaluation of 6 correlation factors, namely, the risk level.
In a possible embodiment, before the step of generating a power transmission line monitoring strategy based on the disaster risk map and the importance levels of power transmission lines at different positions in the target area, the method further includes:
taking the power transmission lines at different positions in the target area as target power transmission lines;
acquiring the voltage grade of the target power transmission line and an action value of the target power transmission line in a complete power transmission network, wherein the action value is used for representing the action size of the target power transmission line in the complete power transmission network, and the action value of the target power transmission line in the complete power transmission network is in a direct proportional relation with the action size of the target power transmission line in the complete power transmission network;
and determining the importance degree of the power transmission line according to the voltage grade of the target power transmission line and the action value of the target power transmission line in the complete power transmission network.
For example, assuming that a part of power transmission lines in a complete power transmission network are located in the target area, regarding the part of power transmission lines located in the target area as target power transmission lines, and obtaining a voltage level of the target power transmission lines and action values of the target power transmission lines in the complete power transmission network, where the assignment range of the action values is an integer from 0 to 10, and the action values of the target power transmission lines in the complete power transmission network are larger, for example, the target power transmission lines are main lines in the complete power transmission network and are responsible for power transmission of all power terminals within the range, the action values of the target power transmission lines are 8, the target power transmission lines are branch lines in the complete power transmission network and are responsible for power transmission of individual power terminals, the action values of the target power transmission lines are 1, the importance degree of the power transmission lines is determined according to the absolute value of the product of the voltage level of the target power transmission lines and the action values of the target power transmission lines in the complete power transmission network, and the absolute value of the product is larger, the importance degree of the power transmission lines is higher, and a high-frequency monitoring strategy is required.
In a possible embodiment, the step of obtaining the role of the target transmission line in the complete power transmission network includes:
acquiring the position of the target power transmission line in the complete power transmission network;
and predicting an actual loss value generated after the target power transmission line fails, and taking the actual loss value as the action value.
For example, the position of the target power transmission line in the complete power transmission network is obtained, and the type of the power consumption end of the target power transmission line is determined, for example, if the power consumption end of the target power transmission line is a factory area, it is predicted that an actual loss value generated by the factory area after the target power transmission line fails is far greater than an actual loss value when the power consumption end of the target power transmission line is a residential area, and then the actual loss value is used as the action value to indicate the action of the target power transmission line in the complete power transmission network.
In a possible implementation manner, the step of generating a power transmission line monitoring strategy based on the disaster risk map and the importance degrees of the power transmission lines at different positions in the target area includes:
determining monitoring frequencies of the power transmission lines at different positions in the target area based on the disaster risk graph;
determining monitoring means aiming at the power transmission lines at different positions in the target area according to the importance degrees of the power transmission lines at different positions in the target area;
and generating the power transmission line monitoring strategy based on the monitoring frequency and the monitoring means.
Illustratively, in consideration of the differences of various ground disaster monitoring technologies, a regional refined monitoring fusion network based on airborne low-altitude photography and airborne laser radar detection is constructed, a linkage monitoring system of multi-level hierarchical monitoring of power grid regional ground disasters and key monitoring of the power grid regional ground disasters is realized, and the monitoring accuracy and early warning response efficiency are effectively improved.
In a possible implementation manner, as shown in fig. 2, the method includes the steps of collecting basic geological information data in a research area, establishing a disaster database, extracting disaster characteristic factors, analyzing a disaster risk level spatial distribution rule, a monitoring scheme, a power grid line importance coefficient, deploying a differentiated monitoring scheme, and the like, wherein the basic geological information data in the research area is collected to obtain a data set including historical geological data, power grid basic data, hydrographic meteorological data and basic geographic information data, which is equivalent to obtaining historical data of a target area, and the historical data includes historical geological data and historical hydrographic meteorological data. Establishing a disaster database, developing data cleaning and data quality improvement through a big data processing technology, and establishing a geological disaster historical database based on a GIS (geographic information system), which is equivalent to extracting basic information in the historical data by using a geographic information tool; according to a preset data storage format, carrying out uniform vectorization and structuralization processing on data in different forms in the basic information to obtain target data information; and building a geological disaster historical database based on the GIS technology and the target data information. And extracting disaster characteristic factors, namely extracting the characteristics of the disasters by combining the development conditions and the damage conditions of the disasters according to the disaster types such as landslides, debris flows, ground subsidence and ground cracks, equivalently determining the development conditions and the damage conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting the characteristic factors of different types of disasters. Analyzing a disaster risk level spatial distribution rule, calculating an overall score coefficient according to a calculation method shown in fig. 2 by using disaster distribution characteristic factors and characteristic factor weighted values of a certain specific disaster type, obtaining the risk level of the disaster by using the score coefficient, performing distribution diagram drawing based on a GIS (geographic information system), and equivalently obtaining a disaster risk diagram of the target area based on hydrological weather forecast information of different positions in the target area and characteristic factors of different types of disasters. The monitoring scheme is divided into a plurality of monitoring schemes of satellite-borne remote sensing, airborne laser radar and surface monitoring instrument according to large scale, medium scale and local refinement, and is suitable according to applicable scenes. The power grid line importance coefficient and the differentiated monitoring scheme are deployed, and the differentiated monitoring scheme is selected and matched according to the voltage level and the geological disaster prone spatial distribution rule and according to the graph shown in fig. 2, so that the method is equivalent to generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degree of the power transmission lines at different positions in the target area, and monitoring of the power transmission lines is achieved.
In one possible embodiment, as shown in fig. 3, the present application provides a power transmission line monitoring apparatus, including:
the data acquisition module 201 is configured to acquire historical data of a target area, where the historical data includes historical disaster data and historical hydrometeorological data;
a characteristic factor extraction module 202, configured to determine development conditions and destruction conditions of different types of disasters according to the historical geological data and the historical hydrometeorological data, and extract characteristic factors of the different types of disasters;
the drawing module 203 is used for obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters;
and the strategy generating module 204 is configured to generate a power transmission line monitoring strategy based on the disaster risk map and the importance degrees of the power transmission lines at different positions in the target area, so as to monitor the power transmission lines.
In one possible implementation, as shown in fig. 4, an embodiment of the present application provides an electronic device 300, including: comprising a memory 310, a processor 320 and a computer program 311 stored on the memory 310 and executable on the processor 320, when executing the computer program 311, implements: acquiring historical data of a target area, wherein the historical data comprises historical geological disaster data and historical hydrometeorological data; determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters; obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters; and generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines.
In one possible implementation, as shown in fig. 5, the present application provides a computer-readable storage medium 400, on which a computer program 411 is stored, where the computer program 411 implements, when executed by a processor: acquiring historical data of a target area, wherein the historical data comprises historical geological disaster data and historical hydrometeorological data; determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters; obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters; and generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It will be understood by those skilled in the art that the modules or steps of the invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of computing devices, and optionally they may be implemented by program code executable by a computing device, such that it may be stored in a memory device and executed by a computing device, or it may be separately fabricated into various integrated circuit modules, or it may be fabricated by fabricating a plurality of modules or steps thereof into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. A power transmission line monitoring method is characterized by comprising the following steps:
acquiring historical data of a target area, wherein the historical data comprises historical geological disaster data and historical hydrometeorological data;
determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data, and extracting characteristic factors of the different types of disasters;
obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters;
and generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines.
2. The method according to claim 1, wherein before the steps of determining development conditions and destruction conditions of different types of disasters according to the historical geological data and the historical hydrometeorological data and extracting characteristic factors of the different types of disasters, the method further comprises:
extracting basic information in the historical data by using a geographic information tool;
according to a preset data storage format, carrying out uniform vectorization and structuralization processing on data in different forms in the basic information to obtain target data information;
and building a geological disaster historical database based on the GIS technology and the target data information.
3. The method for monitoring the power transmission line according to claim 1, wherein the step of determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data and extracting characteristic factors of the different types of disasters comprises:
determining position information of a target disaster occurrence position and time information of the target disaster occurrence position in the target area according to the historical geological disaster data;
determining geological information of the target type disaster occurrence place in the target area based on the position information of the target type disaster occurrence place in the target area;
determining the hydrometeorological data within a preset time period at the position where the target type disaster occurs based on the historical hydrometeorological data;
determining development conditions and destruction conditions of the target category disasters according to the geological information of the target category disaster occurrence positions and the hydrological meteorological data within a preset time period of the target category disaster occurrence positions;
and determining characteristic factors of the target type disasters based on the development conditions and the destruction conditions of the target type disasters.
4. The method for monitoring the power transmission line according to claim 1, wherein the step of obtaining the disaster risk map of the target area based on the hydrographic weather forecast information of different positions in the target area and the characteristic factors of different types of disasters comprises:
setting a weight for the characteristic factor;
calculating risk scores for different locations within the target region based on the weights and the hydrometeorology forecast information for different locations within the target region;
matching the risk score with thresholds of different risk levels, and determining the risk levels of different positions in the target area;
and integrating the risk grades of different positions in the target area to obtain a disaster risk map of the target area.
5. The power transmission line monitoring method according to claim 1, wherein before the step of generating the power transmission line monitoring policy based on the disaster risk map and the importance degrees of the power transmission lines at different positions in the target area, the method further comprises:
taking the power transmission lines at different positions in the target area as target power transmission lines;
acquiring the voltage grade of the target power transmission line and an action value of the target power transmission line in a complete power transmission network, wherein the action value is used for representing the action size of the target power transmission line in the complete power transmission network, and the action value of the target power transmission line in the complete power transmission network is in a direct proportional relation with the action size of the target power transmission line in the complete power transmission network;
and determining the importance degree of the power transmission line according to the voltage grade of the target power transmission line and the action value of the target power transmission line in the complete power transmission network.
6. The transmission line monitoring method according to claim 5, wherein the step of obtaining the role of the target transmission line in the complete transmission network comprises:
acquiring the position of the target power transmission line in the complete power transmission network;
and predicting an actual loss value generated after the target power transmission line fails, and taking the actual loss value as the action value.
7. The power transmission line monitoring method according to claim 1, wherein the step of generating a power transmission line monitoring strategy based on the disaster risk map and the importance degrees of the power transmission lines at different positions in the target area comprises:
determining monitoring frequencies of the power transmission lines at different positions in the target area based on the disaster risk map;
determining monitoring means aiming at the power transmission lines at different positions in the target area according to the importance degrees of the power transmission lines at different positions in the target area;
and generating the power transmission line monitoring strategy based on the monitoring frequency and the monitoring means.
8. A transmission line monitoring device, characterized in that, monitoring device includes:
the data acquisition module is used for acquiring historical data of a target area, wherein the historical data comprises historical geological data and historical hydrometeorological data;
the characteristic factor extraction module is used for determining development conditions and destruction conditions of different types of disasters according to the historical geological disaster data and the historical hydrometeorological data and extracting characteristic factors of the different types of disasters;
the drawing module is used for obtaining a disaster risk map of the target area based on the hydrological weather forecast information of different positions in the target area and the characteristic factors of different types of disasters;
and the strategy generation module is used for generating a power transmission line monitoring strategy based on the disaster risk graph and the importance degrees of the power transmission lines at different positions in the target area so as to realize the monitoring of the power transmission lines.
9. An electronic device, comprising: a processor, a memory and a bus, the memory storing machine-readable instructions executable by the processor, the processor and the memory communicating over the bus when an electronic device is running, the machine-readable instructions when executed by the processor performing the steps of the power transmission line monitoring method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps of the transmission line monitoring method according to one of claims 1 to 7.
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| CN115879848A (en) * | 2023-02-20 | 2023-03-31 | 中铁建电气化局集团第三工程有限公司 | Transport vehicle safety monitoring method and device |
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