CN104965238A - Power network GIS based meteorology single-station radar early warning method and system - Google Patents
Power network GIS based meteorology single-station radar early warning method and system Download PDFInfo
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Abstract
The invention discloses a power network GIS based meteorology single-station radar early warning method and system. The method comprises the following steps: according to coordinates of power network equipment, determining a power network equipment layer; monitoring power network equipment disposed at specific latitudes and longitudes in real time, obtaining meteorology data in single-station radar information of a power network equipment coverage area; positioning meteorology data information to the power network GIS layer through latitude and longitude information of radar monitoring sites to establish a radar information layer; and establishing a single-station radar early-warning analysis model: performing data association processing on the power network equipment layer and the radar information layer in an early-warning area to determine meteorology early warning data of the power network equipment coverage area and displaying the meteorology early warning data on a power network GIS map. The method and system provided by the invention have the following advantages: a professional meteorological radar calamity early warning model is established, fine early warning of electric power facilities is realized, the destructiveness of calamities is reduced effectively, formation of relevant disaster prevention measures and standards is facilitated, and the loss of a power network is reduced.
Description
Technical field
The invention belongs to the weather warning field of electric system, be specifically related to a kind of meteorological monostatic radar method for early warning based on power grid GIS and system.
Background technology
Doppler radar is a kind of atmospheric exploration equipment, intermittently to air-launched electromagnetic wave, to be bordering on the path of straight line and to propagate in an atmosphere close to light wave propagation velocity.If encounter meteorological object, pulse electromagnetic wave can by meteorological object scattering.Radar echo intensity figure is the information such as distance, orientation, echo strength of the rainfall object obtained from each azimuth scan by weather radar, projects on a sheet of planar figure, is the valid data of monitoring cloud layer and rainfall system.At diastrous weathers such as monitoring, early warning, forecast heavy showers, storms, particularly Extreme Weather Events aspect plays a significant role.
The hazard weather such as typhoon, heavy rain takes place frequently, and brings significant damage to safe operation of electric network.But the region of meteorological disaster is strong, judges that the time is short, its degree of strength, influence time, coverage are also variant on the impact such as grid equipment, operation.Weather information is as the independent information in network system, be not combined with power network GIS platform system, often only obtain weather information, but cannot associate with network system, also just can not be timely, accurate acquisition meteorological disaster, to grid equipment, runs the impact that brings, makes meteorologically not have corresponding forewarning function to electrical network.
Existing weather monitoring early warning system, lack the early warning analysis for monostatic radar, and not in conjunction with grid equipment or association operation of power networks, the timely and effective early warning for grid equipment hazard weather cannot be realized, the protected working of the grid equipment before diastrous weather arrives can not be carried out in time.
Summary of the invention
Object of the present invention is exactly to solve the problem, propose a kind of meteorological monostatic radar method for early warning based on power grid GIS and system, the method and system are passed through data analyses such as radar map, pulse strength, echo strengths, find out the general pests occurrence rule of disaster, real-time analysis is early warning in time also, set up monostatic radar Early-warning Model, by Real-time Monitoring Data Treatment Analysis, Accurate Prediction can be carried out to the weather condition in electrical network areal coverage.
To achieve these goals, the present invention adopts following technical scheme:
Based on a meteorological monostatic radar method for early warning for power grid GIS, comprise the following steps:
(1) in power network GIS platform, the grid equipment coordinate of prewarning area is positioned; Coordinate according to grid equipment establishes grid equipment layer;
(2) located by longitude and latitude, to the grid equipment Real-Time Monitoring of specific longitude and latitude, obtain the weather data in the monostatic radar information of grid equipment overlay area;
(3) the weather data information of monostatic radar will monitored, navigates to power grid GIS layer by the latitude and longitude information of radar monitoring website, sets up radar information layer;
(4) monostatic radar early warning analysis model is set up: the grid equipment layer of prewarning area and radar information layer are carried out data correlation process, establish the weather warning data of grid equipment overlay area and show on power grid GIS map, realizing subregion, monostatic radar power grid meteorological disaster at times becomes more meticulous early warning.
Described grid equipment comprises: transformer station, transmission tower, distribution shaft tower, switchgear building, box-type substation, ring main unit, marketing network.
The described concrete grammar setting up radar information layer is:
According to the coordinate information of the weather data generation area that monostatic radar monitors, first calibrating coordinates is carried out to the coordinate information of described weather data generation area, by coordinate conversion instrument, 80 coordinate conversion are become 2000 coordinates again, after converted coordinate, the zone location of weather data will occur in power grid GIS map;
According to the coordinate information of weather data in power grid GIS map, be projected in GIS map, set up corresponding radar information layer according to coordinate information.
Described monostatic radar early warning analysis model concrete grammar of setting up is: in power network GIS platform, monostatic radar comprehensive monitoring to weather data information superposition in grid equipment layer, by the data such as pulse strength, echo strength, color spot of Analysis of Radar figure, draw meteorological disaster early warning analysis data.
Described the grid equipment layer of prewarning area and radar information layer carried out data correlation process be specially:
The data of radar Doppler Real-Time Monitoring are processed into radar map to show in power network GIS platform superposition, according to the result of layer display, draw by the risk grid equipment data within the scope of disaster weather effect, and carry out forecasting, early warning and emergency disposal.
Based on a system for the meteorological monostatic radar method for early warning of power grid GIS, comprising:
For in power network GIS platform, to the unit that the grid equipment coordinate of prewarning area positions; For establishing the unit of grid equipment layer according to the coordinate of grid equipment;
For being located by longitude and latitude, to the grid equipment Real-Time Monitoring of specific longitude and latitude, obtain the unit of the weather data in the monostatic radar information of grid equipment overlay area;
For the weather data information of monostatic radar that will monitor, navigate to power grid GIS layer by the latitude and longitude information of radar monitoring website, set up the unit of radar information layer;
For setting up the unit of monostatic radar early warning analysis model, for the grid equipment layer of prewarning area and radar information layer being carried out the unit of data correlation process, for establishing the weather warning data of grid equipment overlay area and showing on power grid GIS map, realize subregion, unit that monostatic radar power grid meteorological disaster at times becomes more meticulous early warning.
Described grid equipment comprises: transformer station, transmission tower, distribution shaft tower, switchgear building, box-type substation, ring main unit, marketing network.
The weather data information of the described monostatic radar for monitoring, navigates to power grid GIS layer by the latitude and longitude information of radar monitoring website, and the unit setting up radar information layer comprises:
For the coordinate information of weather data generation area monitored according to monostatic radar, the coordinate information of described weather data generation area is carried out to the module of calibrating coordinates, for 80 coordinate conversion being become by coordinate conversion instrument the module of 2000 coordinates, for will the zone location of weather data be there is to the module in power grid GIS map after converted coordinate;
For by the coordinate information of weather data in power grid GIS map, be projected at the module in GIS map, for setting up the module of corresponding radar information layer according to coordinate information.
The described unit for setting up monostatic radar early warning analysis model comprises: in power network GIS platform, by monostatic radar comprehensive monitoring to the module of weather data information superposition in grid equipment layer, for the data such as pulse strength, echo strength, color spot by Analysis of Radar figure, draw the module of meteorological disaster early warning analysis data.
The described unit for the grid equipment layer of prewarning area and radar information layer being carried out data correlation process comprises:
For the data of radar Doppler Real-Time Monitoring being processed into the module that radar map is shown in power network GIS platform superposition, for the result shown according to layer, draw by the risk grid equipment data within the scope of disaster weather effect, and carry out forecasting, the module of early warning and emergency disposal.
The invention has the beneficial effects as follows:
1, improve the precision of early warning, effectively reduce emergency resources waste.
2, set up the weather radar disaster alarm model of specialty, achieve the early warning that becomes more meticulous for electric power facility, effectively reduce the destructiveness of disaster, contribute to being formed with Disaster Prevention Measures specification targetedly, reduce grid loss.
3, grid equipment is played to the effect of early warning, the impact reducing grid equipment and run by weather disaster, for the decision commanding of preventing and reducing natural disasters provides important decision-making foundation, improve electric power netting safe running level.
Accompanying drawing explanation
Fig. 1 is the meteorological monostatic radar method for early warning process flow diagram that the present invention is based on power grid GIS.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:
Present system framework adopts J2EE multi-layer framework, is with good expansibility, to be convenient to system interconnect, to have very high security, is also easy to maintenance management simultaneously.Adopt multilayer system and the Software Component Design of standard J2EE simultaneously, operation for plateform system provides reliable underlying basis, make the exploitation more quickness and high efficiency of system, the security of system, extensibility, portability, availability, ease for maintenance obtain strong guarantee.
In power network GIS platform, the standard criterion weather data interface of foundation and Data Analysis specification, set up electrical network meteorogical phenomena database; Set up standard criterion weather data interface comprise weather data receiving end data-interface, weather data access interface, external interface and for call end provide the Jar of interface to wrap;
When setting up electrical network meteorogical phenomena database, set up tables of data respectively for different weather data forms; Create power grid GIS meteorogical phenomena database index; Building database filter criteria specification; Create the data field of different weather data form, namely set up the Database field corresponding with often kind of data layout.
Based on the meteorological monostatic radar method for early warning of power grid GIS, comprise the following steps:
(1) in power network GIS platform, the grid equipment coordinate of prewarning area is positioned; Coordinate according to grid equipment establishes grid equipment layer.
Concrete grid equipment comprises: transformer station, transmission tower, distribution shaft tower, switchgear building, box-type substation, ring main unit, marketing network etc.
Comprise the geographic coordinate of various power equipment in power network GIS platform, the coordinate information of power equipment is directly exported in GIS map by power network GIS platform, in GIS map, set up corresponding equipment layer according to the coordinate information of power equipment.
(2) located by longitude and latitude, to the grid equipment Real-Time Monitoring of specific longitude and latitude, obtain the weather data in the monostatic radar information of grid equipment overlay area.
Weather data is as strong wind, heavy rain, hail, typhoon, cold wave, frost etc.According to weather data on the impact of grid equipment and the origin cause of formation, realize subregion, power grid meteorological disaster at times becomes more meticulous early warning, improve the pre-alerting ability that grid equipment affects weather.
Weather data classification pre-service is carried out to the data being stored to electrical network meteorogical phenomena database; Reason concrete grammar is: first carry out integrity checking, when there is the problem of shortage of data, mistake, take setting-up time as division points, call a upper time data of current invalid time point, if a upper moment occurs data problem equally, upwards carried out time point successively and review, when a large amount of invalid data appears in section sometime, mate according to monitoring station type, distance, priority relationship, call adjacent monitoring station weather data;
Real-Time Monitoring sub-element data prediction, according to electrical network to the different requirement of weather data real-time, wind and precipitation adopt meticulous inquiry and invalidly to review, invalid value retrieval is carried out in units of single station, this station historgraphic data recording is reviewed when there is invalid data, when segment data is invalid sometime, call adjacent monitoring station weather data, temperature, humidity, visibility, air pressure adopt Fuzzy Processing, in units of all weather monitoring stations, call an adjacent upper time data constantly when invalid numerical exceedes certain proportion.
The pre-service of warning data is specially: warning data process adopts the method for first classifying, retrieving, the warning data pushing to electrical network meteorogical phenomena database is extracted a storage only independent tables of data space respectively according to type, time, disaster loss grade, then carries out extreme value, invalid data inspection.
(3) the weather data information of monostatic radar will monitored, navigates to power grid GIS layer by the latitude and longitude information of radar monitoring website, sets up radar information layer; Concrete grammar is:
According to the coordinate information of the weather data generation area that monostatic radar monitors, first calibrating coordinates is carried out to the coordinate information of described weather data generation area, by coordinate conversion instrument, 80 coordinate conversion are become 2000 coordinates again, after converted coordinate, the zone location of weather data will occur in power grid GIS map;
According to the coordinate information of weather data in power grid GIS map, be projected in GIS map, set up corresponding radar information layer according to coordinate information.
(4) monostatic radar early warning analysis model is set up: the grid equipment layer of prewarning area and radar information layer are carried out data correlation process, establish the weather warning data of grid equipment overlay area and show on power grid GIS map, realizing subregion, monostatic radar power grid meteorological disaster at times becomes more meticulous early warning.
Setting up monostatic radar early warning analysis model concrete grammar is: in power network GIS platform, monostatic radar comprehensive monitoring to weather data information superposition in grid equipment layer, by the data such as pulse strength, echo strength, color spot of Analysis of Radar figure, draw meteorological disaster early warning analysis data.
Radar map is also known as contour map, and namely same color difference is for identical data volume.As weather radar map, this data volume we it can be interpreted as rainfall amount, i.e. dBZ.On weather radar map, the region of same color has identical dBZ value.In dBZ value representation unit volume, the sum total (unit 6mm/m3) of precipitation particles diameter 6 power, reflects yardstick and the Density Distribution of precipitation particles in meteorological target, the intensity of its numeric representation meteorology.In general, more than 40 just represent in rainfall.Note: dBZ value contrasts with color, can see in the lower right of each weather radar map.
The grid equipment layer of prewarning area and radar information layer are carried out data correlation process be specially:
The data of radar Doppler Real-Time Monitoring are processed into radar map to show in power network GIS platform superposition, according to the result of layer display, draw by the risk grid equipment data within the scope of disaster weather effect, and carry out forecasting, early warning and emergency disposal.
Based on a system for the meteorological monostatic radar method for early warning of power grid GIS, comprising:
For in power network GIS platform, to the unit that the grid equipment coordinate of prewarning area positions; For establishing the unit of grid equipment layer according to the coordinate of grid equipment;
For being located by longitude and latitude, to the grid equipment Real-Time Monitoring of specific longitude and latitude, obtain the unit of the weather data in the monostatic radar information of grid equipment overlay area;
For the weather data information of monostatic radar that will monitor, navigate to power grid GIS layer by the latitude and longitude information of radar monitoring website, set up the unit of radar information layer;
For setting up the unit of monostatic radar early warning analysis model, for the grid equipment layer of prewarning area and radar information layer being carried out the unit of data correlation process, for establishing the weather warning data of grid equipment overlay area and showing on power grid GIS map, realize subregion, unit that monostatic radar power grid meteorological disaster at times becomes more meticulous early warning.
The weather data information of the described monostatic radar for monitoring, navigates to power grid GIS layer by the latitude and longitude information of radar monitoring website, and the unit setting up radar information layer comprises:
For the coordinate information of weather data generation area monitored according to monostatic radar, the coordinate information of described weather data generation area is carried out to the module of calibrating coordinates, for 80 coordinate conversion being become by coordinate conversion instrument the module of 2000 coordinates, for will the zone location of weather data be there is to the module in power grid GIS map after converted coordinate;
For by the coordinate information of weather data in power grid GIS map, be projected at the module in GIS map, for setting up the module of corresponding radar information layer according to coordinate information.
The described unit for setting up monostatic radar early warning analysis model comprises: in power network GIS platform, by monostatic radar comprehensive monitoring to the module of weather data information superposition in grid equipment layer, for the data such as pulse strength, echo strength, color spot by Analysis of Radar figure, draw the module of meteorological disaster early warning analysis data.
The described unit for the grid equipment layer of prewarning area and radar information layer being carried out data correlation process comprises:
For the data of radar Doppler Real-Time Monitoring being processed into the module that radar map is shown in power network GIS platform superposition, for the result shown according to layer, draw by the risk grid equipment data within the scope of disaster weather effect, and carry out forecasting, the module of early warning and emergency disposal.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1., based on a meteorological monostatic radar method for early warning for power grid GIS, it is characterized in that, comprise the following steps:
(1) in power network GIS platform, the grid equipment coordinate of prewarning area is positioned; Coordinate according to grid equipment establishes grid equipment layer;
(2) located by longitude and latitude, to the grid equipment Real-Time Monitoring of specific longitude and latitude, obtain the weather data in the monostatic radar information of grid equipment overlay area;
(3) the weather data information of monostatic radar will monitored, navigates to power grid GIS layer by the latitude and longitude information of radar monitoring website, sets up radar information layer;
(4) monostatic radar early warning analysis model is set up: the grid equipment layer of prewarning area and radar information layer are carried out data correlation process, establish the weather warning data of grid equipment overlay area and show on power grid GIS map, realizing subregion, monostatic radar power grid meteorological disaster at times becomes more meticulous early warning.
2. a kind of meteorological monostatic radar method for early warning based on power grid GIS as claimed in claim 1, it is characterized in that, described grid equipment comprises: transformer station, transmission tower, distribution shaft tower, switchgear building, box-type substation, ring main unit, marketing network.
3. a kind of meteorological monostatic radar method for early warning based on power grid GIS as claimed in claim 1, it is characterized in that, the described concrete grammar setting up radar information layer is:
According to the coordinate information of the weather data generation area that monostatic radar monitors, first calibrating coordinates is carried out to the coordinate information of described weather data generation area, by coordinate conversion instrument, 80 coordinate conversion are become 2000 coordinates again, after converted coordinate, the zone location of weather data will occur in power grid GIS map;
According to the coordinate information of weather data in power grid GIS map, be projected in GIS map, set up corresponding radar information layer according to coordinate information.
4. a kind of meteorological monostatic radar method for early warning based on power grid GIS as claimed in claim 1, it is characterized in that, described monostatic radar early warning analysis model concrete grammar of setting up is: in power network GIS platform, monostatic radar comprehensive monitoring to weather data information superposition in grid equipment layer, by the data such as pulse strength, echo strength, color spot of Analysis of Radar figure, draw meteorological disaster early warning analysis data.
5. a kind of meteorological monostatic radar method for early warning based on power grid GIS as claimed in claim 1, is characterized in that, described the grid equipment layer of prewarning area and radar information layer are carried out data correlation process be specially:
The data of radar Doppler Real-Time Monitoring are processed into radar map to show in power network GIS platform superposition, according to the result of layer display, draw by the risk grid equipment data within the scope of disaster weather effect, and carry out forecasting, early warning and emergency disposal.
6., as claimed in claim 1 based on a system for the meteorological monostatic radar method for early warning of power grid GIS, it is characterized in that, comprising:
For in power network GIS platform, to the unit that the grid equipment coordinate of prewarning area positions; For establishing the unit of grid equipment layer according to the coordinate of grid equipment;
For being located by longitude and latitude, to the grid equipment Real-Time Monitoring of specific longitude and latitude, obtain the unit of the weather data in the monostatic radar information of grid equipment overlay area;
For the weather data information of monostatic radar that will monitor, navigate to power grid GIS layer by the latitude and longitude information of radar monitoring website, set up the unit of radar information layer;
For setting up the unit of monostatic radar early warning analysis model, for the grid equipment layer of prewarning area and radar information layer being carried out the unit of data correlation process, for establishing the weather warning data of grid equipment overlay area and showing on power grid GIS map, realize subregion, unit that monostatic radar power grid meteorological disaster at times becomes more meticulous early warning.
7. the system of a kind of meteorological monostatic radar method for early warning based on power grid GIS as claimed in claim 6, it is characterized in that, described grid equipment comprises: transformer station, transmission tower, distribution shaft tower, switchgear building, box-type substation, ring main unit, marketing network.
8. the system of a kind of meteorological monostatic radar method for early warning based on power grid GIS as claimed in claim 6, it is characterized in that, the weather data information of the described monostatic radar for monitoring, navigate to power grid GIS layer by the latitude and longitude information of radar monitoring website, the unit setting up radar information layer comprises:
For the coordinate information of weather data generation area monitored according to monostatic radar, the coordinate information of described weather data generation area is carried out to the module of calibrating coordinates, for 80 coordinate conversion being become by coordinate conversion instrument the module of 2000 coordinates, for will the zone location of weather data be there is to the module in power grid GIS map after converted coordinate;
For by the coordinate information of weather data in power grid GIS map, be projected at the module in GIS map, for setting up the module of corresponding radar information layer according to coordinate information.
9. the system of a kind of meteorological monostatic radar method for early warning based on power grid GIS as claimed in claim 6, it is characterized in that, the described unit for setting up monostatic radar early warning analysis model comprises: in power network GIS platform, by monostatic radar comprehensive monitoring to the module of weather data information superposition in grid equipment layer, for the data such as pulse strength, echo strength, color spot by Analysis of Radar figure, draw the module of meteorological disaster early warning analysis data.
10. the system of a kind of meteorological monostatic radar method for early warning based on power grid GIS as claimed in claim 6, it is characterized in that, the described unit for the grid equipment layer of prewarning area and radar information layer being carried out data correlation process comprises:
For the data of radar Doppler Real-Time Monitoring being processed into the module that radar map is shown in power network GIS platform superposition, for the result shown according to layer, draw by the risk grid equipment data within the scope of disaster weather effect, and carry out forecasting, the module of early warning and emergency disposal.
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| CN109188568A (en) * | 2018-10-18 | 2019-01-11 | 国网山东省电力公司应急管理中心 | A kind of fine early warning system of Doppler radar meteorology vector quantization power grid |
| CN109541602A (en) * | 2018-10-18 | 2019-03-29 | 国网山东省电力公司应急管理中心 | A kind of fine early warning of Doppler radar meteorology vector quantization power grid and regulator control system |
| CN111221925A (en) * | 2018-11-26 | 2020-06-02 | 中国电力科学研究院有限公司 | Method and device for monitoring and networking wind-waterlogging disaster of power distribution network |
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| CN116682062A (en) * | 2023-06-07 | 2023-09-01 | 国网山东省电力公司济南供电公司 | Disaster intelligent identification and monitoring method, system and storage medium based on high-impact meteorological elements of power grid |
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| CN114488155B (en) * | 2021-12-27 | 2023-06-27 | 国网山东省电力公司应急管理中心 | Convection monomer evolution trend discrimination method based on Doppler weather radar |
| CN116682062A (en) * | 2023-06-07 | 2023-09-01 | 国网山东省电力公司济南供电公司 | Disaster intelligent identification and monitoring method, system and storage medium based on high-impact meteorological elements of power grid |
| CN116682062B (en) * | 2023-06-07 | 2024-05-03 | 国网山东省电力公司济南供电公司 | Disaster intelligent identification and monitoring method, system and storage medium based on high-impact meteorological elements of power grid |
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