CN103033855B - Grid meteorological disaster monitoring and early warning system - Google Patents

Grid meteorological disaster monitoring and early warning system Download PDF

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Publication number
CN103033855B
CN103033855B CN2012105327595A CN201210532759A CN103033855B CN 103033855 B CN103033855 B CN 103033855B CN 2012105327595 A CN2012105327595 A CN 2012105327595A CN 201210532759 A CN201210532759 A CN 201210532759A CN 103033855 B CN103033855 B CN 103033855B
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data
weather
subsystem
meteorological
hazard
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CN103033855A (en
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郭雅娟
李群
刘玉林
陈哲
陈锦铭
姚楠
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ELECTRIC POWER RESEARCH INSTITUTE OF JIANGSU ELECTRIC POWER Co
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
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ELECTRIC POWER RESEARCH INSTITUTE OF JIANGSU ELECTRIC POWER Co
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
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Abstract

The invention discloses a grid meteorological disaster monitoring and early warning system which comprises a data collection subsystem, a data analysis subsystem, a data storage subsystem and a disaster weather comprehensive display subsystem, wherein the data collection subsystem is responsible for completing a collection task of original meteorological monitoring data. The original meteorological monitoring data is composed of automatic meteorological station data, Doppler radar data, meteorological satellite data and value forecasting data. The data analysis subsystem is responsible for analysis of original meteorological data, cutting a satellite cloud picture, and finally storing processed data into the data storage subsystem. The data storage subsystem is responsible for storing original data of data of various stages and types, including original data, a relational data, a vector data and a picture, the original data is received from a meteorological department, the relational data is analyzed by the data analysis subsystem, the vector data is analyzed by the data analysis subsystem, and the picture is processed by the data analysis subsystem. The disaster weather comprehensive display subsystem is responsible for system function display. The grid meteorological disaster monitoring and early warning system can accurately position grid facilities which are affected by disaster weather.

Description

The power grid meteorological disaster monitor and early warning system
Technical field
The present invention relates to a kind of electrical network diastrous weather monitoring that build based on Geographic Information System (GIS), many weather datas source and early warning system, belong to the weather warning technical field of electric system.
Background technology
Electrical network diastrous weather specially refers to that power network safety operation is had to serious threat, electrical network facilities is caused to the weather of extensive damage, mainly contains thunder and lightning, strong wind, heavy rain, hail, typhoon, wind spout, cold wave, frost, dense fog, severe snow etc.Feasible diastrous weather observation technology has automatic weather station observation at present, radar Doppler observation, weather satellite observation etc.
Along with the continuous expansion of electrical network scale, the pressure of power network safety operation is increasing.Severe extreme weather takes place frequently in recent years, and to power grid security, production has brought immense pressure.At hot weather, the variation of temperature keeps away peak to the reasonable arrangement mistake, and the correct Prediction peak load guarantees that summer, electric power netting safe running possessed significance.Multiple at Summer Lightning, storm wind, big flood, understand in time the localized weather state, can realize strong hedging.In the winter time, ice and snow, sleet also can cause the calamitous disaster of electrical network.Therefore meteorological variation has significant impact to safe operation and the reliable power supply of electrical network, and the monitoring of research diastrous weather has the meaning of positive important with early warning to operation of power networks and power supply production.
At present, its construction level of power grid meteorological disaster monitor and early warning system is uneven, has many weak points.The first, the weather data source form of connecting system is single, has only realized rough forecast and monitoring to diastrous weather, can't guarantee the accuracy of data, also can not monitor the detailed development process of hazard weather.The second, system is not based on Geographic Information System (GIS) construction, and the hazard weather data not to be combined with map datum, electrical network vector data displaying.The coverage of hazard weather can not be judged intuitively, more the electrical network facilities that is subject to the disaster weather effect can not be accurately located.The 3rd, lack the reliable diastrous weather Early-warning Model in operation of power networks field, only rely on the forecast data that meteorological department provides can not reach the accurate early warning of electrical network, guarantee the purpose of power network safety operation.
Summary of the invention
Technical matters to be solved by this invention is the deficiency that overcomes existing power grid meteorological disaster monitor and early warning system, and electrical network hazard weather monitor and early warning system a kind of innovation, that practicality is stronger is provided, and can accurately locate the electrical network facilities that is subject to the disaster weather effect.
For solving the problems of the technologies described above, concrete technical scheme of the present invention is as follows:
A kind of power grid meteorological disaster monitor and early warning system, comprise data acquisition subsystem, Data Analysis subsystem, data storage subsystem and hazard weather overview display subsystem, it is characterized in that:
Data acquisition subsystem: the acquisition tasks of being responsible for original weather data, original weather data comprises Data of Automatic Weather, Doppler Radar Data, weather satellite data and numerical forecasting data, original weather data is collected in automatic weather station, radar Doppler, weather satellite, meteorological computation model, the unified meteorological department of leaving in; Lay the optical fiber special line between electric power Intranet and meteorological Intranet, set up dedicated transmission channel, to complete the collection of original weather data;
The Data Analysis subsystem: be responsible for the parsing work of original weather data, and satellite cloud picture is cut to figure, the data after processing the most at last are stored to data storage subsystem;
Data storage subsystem: be responsible for each stage of storage, all types of data, comprise the raw data received from meteorological department, relation data after the Data Analysis sub system analysis, the vector data after the Data Analysis sub system analysis, the picture of crossing through the Data Analysis subsystem processes;
Hazard weather overview display subsystem: being responsible for systemic-function and showing, is the main path of system and user interactions, utilizes the GIS platform to realize, comprises hazard weather monitoring modular, hazard weather warning module, electric network fault warning module and data sheet module.
Described hazard weather monitoring modular is realized heavy rain by automatic weather station, radar Doppler, three kinds of meteorological observation technology of weather satellite, strong wind, and high temperature, low temperature, dense fog, severe snow, thunder and lightning, typhoon, the Real-Time Monitoring of the diastrous weathers such as hail:
The data creatings such as the temperature of automatic weather station collection, humidity, wind speed, rainfall amount, visibility are become to the contour surface figure of corresponding Weather Elements, and carry out paintedly, generate meteorological color spot figure, react intuitively the general status that weather distributes;
The echo data that the radar Doppler station is gathered is made into echo strength color spot figure, can be judged relatively easily the coverage of hazard weather by echo strength color spot figure;
The data such as infrared, the visible ray of weather satellite collection, steam and cloud amount are processed into to the color spot figure of the hazard weathers such as reflection strong wind directly perceived, precipitation, hail, are made into the satellite cloud picture that can play continuously simultaneously;
Above each color spot figure has all realized the animation effect of playing according to Time Continuous, more directly perceived, the vivid development trend that has reflected all kinds of hazard weathers by animation.
Above each color spot figure has all realized the space querying function, the power network resources that can cover by the different brackets inquiry of color spot figure, and accurately location is subject to the electrical network facilities of disaster weather effect.
The hazard weather warning module is realized reporting to the police in advance by setting up the hazard weather Early-warning Model, described model realize that principle is as follows:
1) set up a set of hazard weather alarm rule, different from the weather alerts rule of meteorological department, this rule is only applicable to power industry, refers in particular to the weather that operation of power networks or electrical network facilities are threatened or have a strong impact on, as high temperature, low temperature, Continuous severe precipitation, storm wind, severe snow, dense fog etc.;
2) according to hazard weather to the different definition of electrical network facilities destructiveness a plurality of alarm level, and provide the measure that every one-level is reported to the police and taked while occurring, definition has considered the actual operating state of equipment during alarm level, as equipment amortization, the factor such as aging;
3) every one-level of each class weather is reported to the police alarm threshold value is set, if having data to reach in weather forecast or exceed alarm threshold, just automatically generates warning color spot figure, automatically generates affected electrical network facilities information, thus issue hazard weather early warning information.
Described electric network fault warning module, by the analysis to the electric network fault data, is set up the analytical model of all kinds of weather and all kinds of power grid accidents, and after receiving the hazard weather forecast, the probability of happening of computational analysis power grid accident, generate the electric network fault early warning information in time.Concrete calculation procedure is as follows:
1) add up power grid accident probability of happening p under all kinds of different brackets meteorological disasters type, grade=m g/ M g, M wherein gfor hazard weather generation total degree, m gaccident number of times for electrical network under hazard weather;
2), to a certain class hazard weather phenomenon, calculate the early warning critical level g of such hazard weather linit, early warning critical level g limitfor power grid accident probability of happening p type, grademinimum value under>0 o'clock corresponding kind disaster grade grade;
3) according to power grid accident probable value p under each grade type, grade, make the electric network fault risk level, generate the electric network fault early warning information.
Described data sheet module provide the history of hazard weather, in real time, predict and the form of three dimensions provide power grid accident history report, power grid accident warning reports, this module provides interface to other system, facilitates the other system calling data.
The invention has the beneficial effects as follows, by the integrated use to data informations such as Meteorological Automatic Station, radar Doppler, weather satellite, numerical forecastings, more perfect diastrous weather actual measurement and pre-alarming system have been set up, can locate fast the electrical network facilities that is subject to the disaster weather effect, can estimate the probability of happening of power grid accident, the practicality of combating a natural disaster to take precautions against natural calamities suggestion can be provided, reach the purpose of the accurate early warning of electrical network, realize comprehensive, multi-level early warning issuing service.
The accompanying drawing explanation
Accompanying drawing 1 is the system construction drawing of a kind of power grid meteorological disaster monitor and early warning system of the present invention.
Accompanying drawing 2 is data flowcharts of a kind of power grid meteorological disaster monitor and early warning system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done to more detailed description.
With reference to accompanying drawing 1, the power grid meteorological disaster monitor and early warning system consists of data acquisition subsystem, data storing subsystem, Data Analysis subsystem, hazard weather overview display subsystem, the simultaneously also integrated infosystems such as lightning monitoring early warning, power transmission and transformation equipment state monitoring, PMS.After data acquisition subsystem collects raw data, be stored to meteorological file server; By analysis program, raw data is resolved and to be deposited database in, or cut after figure the file server of restoring; Hazard weather overview display subsystem comprises GIS platform and Web platform, the GIS platform provides basic map service, inquiry positioning service, figure browsing service, spatial analysis service, the Web platform is responsible for providing practical function, as hazard weather monitoring, hazard weather early warning, electric network fault early warning, data sheet etc.
The data acquisition subsystem emphasis will solve data security and the real-time problem of data transmission.Because the data that access belong to the outer network data of electric power, can pass through the optical fiber special line, set up private network, the technological means that fire wall is set guarantees the security of access data.The data transmission requirement of real-time is tried one's best, and the shortening program forwards and the effective time of Internet Transmission, not only will guarantee that transmission channel is constantly unimpeded, and meteorological department collects after data just forwarding immediately to electric power networks.The original weather data unification of receiving is left in the advance data acquisition server.
Data Analysis subsystem emphasis solves the problem of data compatibility and data fault-tolerant.The original weather data left in the advance data acquisition server relates to polytype, and form difference, the Data Analysis subsystem binary file, TXT file, XML file, vector data file arranged, so must be supported the document analysis of above several types.Data fault-tolerant refers to when a class or a file generation parse error, can not have influence on the parsing process of alternative document, also can not have influence on the operation of whole Data Analysis subsystem.
Data storage subsystem is mainly become with database servers group by file server, and raw data is stored in file server, and other data are stored in database server.Vector data and non-vector data are left in respectively in spatial database and relational database simultaneously.
Hazard weather overview display subsystem is comprised of GIS platform and Web platform, and the platform that the GIS platform provides for the third party can be selected according to actual needs flexibly.But at least should possess basic map service, inquiry positioning service, figure browsing service, spatial analysis service.The Web platform adopts JavaEE to realize in conjunction with the Technical Architecture of Flex.System not only can be deployed in dissimilar operating system like this, has realized cross-platform access, returns the user interface attractive in appearance, convenient operation is provided, and has improved user's experience sense.
With reference to accompanying drawing 2, accompanying drawing 2 is data flowcharts of this system.The Various types of data treatment scheme that electrical network hazard weather monitor and early warning system relates to has been described in figure.Original weather data file provides by meteorological department, after the Data Analysis service is resolved, generates relation data, spatial data and map slice of data, deposits respectively weather data storehouse, GIS database and slice of data server in.Finally, Various types of data is carried out analytical calculation and displaying by Web service and GIS service call.
Below with preferred embodiment, disclose the present invention, so it is not intended to limiting the invention, and all employings are equal to replaces or technical scheme that the equivalent transformation mode obtains, within all dropping on protection scope of the present invention.

Claims (3)

1. a power grid meteorological disaster monitor and early warning system, comprise data acquisition subsystem, Data Analysis subsystem, data storage subsystem, hazard weather overview display subsystem, it is characterized in that:
Data acquisition subsystem: the acquisition tasks of being responsible for original weather data, original weather data comprises Data of Automatic Weather, Doppler Radar Data, weather satellite data and numerical forecasting data, original weather data is collected in automatic weather station, radar Doppler, weather satellite and meteorological computation model, the unified meteorological department of leaving in;
The Data Analysis subsystem: be responsible for the parsing work of original weather data, and satellite cloud picture is cut to figure, the data after processing the most at last are stored to data storage subsystem;
Data storage subsystem: be responsible for each stage of storage, all types of data, comprise the raw data received from meteorological department, relation data after the Data Analysis sub system analysis, the vector data after the Data Analysis sub system analysis, the picture of crossing through the Data Analysis subsystem processes;
Hazard weather overview display subsystem: be responsible for systemic-function and show,
Described hazard weather overview display subsystem comprises hazard weather monitoring modular, hazard weather warning module, electric network fault warning module and data sheet module:
Described hazard weather monitoring modular is realized the Real-Time Monitoring to diastrous weather by automatic weather station, radar Doppler, three kinds of meteorological observation technology of weather satellite:
The temperature of automatic weather station collection, humidity, wind speed, rainfall amount, visibility data creating are become to the value face figure of corresponding Weather Elements, and carry out paintedly, generate meteorological color spot figure;
The echo data that the radar Doppler station is gathered is made into echo strength color spot figure;
Infrared, the visible ray of weather satellite collection, steam and cloud amount data are processed into to the color spot figure of reflection strong wind directly perceived, precipitation, hail disaster weather, are made into the satellite cloud picture that can play continuously simultaneously;
The hazard weather warning module is realized reporting to the police in advance by setting up the hazard weather Early-warning Model, and described model is:
1) set up a set of hazard weather alarm rule;
2) according to hazard weather to the different definition of electrical network facilities destructiveness a plurality of alarm level, and provide the measure that every one-level is reported to the police and taked while occurring;
3) every one-level of each class weather is reported to the police alarm threshold value is set, if having data to reach in weather forecast or exceed alarm threshold, automatically generates warning color spot figure, automatically generates affected electrical network facilities information, thus issue hazard weather early warning information;
Described electric network fault warning module is by the analysis to the electric network fault data, set up the analytical model of all kinds of weather and all kinds of power grid accidents, after receiving the hazard weather forecast, the probability of happening of timely computational analysis power grid accident, generate the electric network fault early warning information, concrete calculation procedure is as follows:
1) add up power grid accident probability of happening p under all kinds of different brackets meteorological disasters type, grade=m g/ M g, M wherein gfor hazard weather generation total degree, m gaccident number of times for electrical network under hazard weather;
2), to a certain class hazard weather phenomenon, calculate the early warning critical level of such hazard weather, wherein early warning critical level g limitfor power grid accident probability of happening p type, grademinimum value under 0 o'clock corresponding kind disaster grade grade;
3) according to power grid accident probable value p under each grade type, grade, provide the electric network fault risk level, generate the electric network fault early warning information.
2. power grid meteorological disaster monitor and early warning system according to claim 1 is characterized in that: described hazard weather overview display subsystem utilizes the GIS platform to realize.
3. power grid meteorological disaster monitor and early warning system according to claim 1, it is characterized in that: described data sheet module provide the history of hazard weather, in real time, predict the form of three dimensions, power grid accident history report, power grid accident warning reports are provided, and the data sheet module comprises the interface with other system.
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