CN103995967A - Power grid device service life evaluation platform based on multiple characteristic parameters - Google Patents
Power grid device service life evaluation platform based on multiple characteristic parameters Download PDFInfo
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Abstract
The invention discloses a power grid device service life evaluation platform based on multiple characteristic parameters. The power grid device service life evaluation platform comprises a basic service module, a business logic module and a foreground displaying module from bottom to top, wherein the basic service module provides data support through a data interface and a general purpose computation formula and abstractly simplifies complicated computation steps. The business logic module achieves three-level evaluation and poor working condition correction and obtains primary/secondary/tertiary health indexes, a final health index, the remaining service life and the failure rate of a power grid device. The foreground displaying module provides a friendly operating interface for a user. The power grid device service life evaluation platform provides the service life condition of the power grid device through multiple-data-source comprehensive application and a series of flexibly-configured evaluation models and achieves visualized displaying. By utilizing the power grid device service life evaluation platform, professionals and developers can perform quick development deployment and dynamic improvement on the service life evaluation system according to the actual demands, and accordingly great convenience is provided for implementation of service life evaluation work.
Description
Technical field
The present invention relates to a kind of grid equipment life appraisal platform based on many characteristic parameters, belong to grid equipment state evaluation and the repair based on condition of component field of electric system.
Background technology
Along with the increase of the grid equipment operation time limit, the running status of equipment worsens gradually, and the probability breaking down progressively strengthens, thereby the overall operation of electrical network is caused safely to larger impact.Since 21st century, along with national economy is growing, power grid construction constantly accelerates, and electrical network scale progressively expands, and wherein most grid equipment has entered its middle of life, and the probability that future several years internal fault occurs is by rising trend.Therefore, carry out the work of grid equipment life appraisal for ensureing that grid equipment and electrical network overall operation have great importance safely.
The work of grid equipment life appraisal is generally carried out by grid company and university cooperation at present, often realize by hand computation or MATLAB emulation mode, there is the problem of following several respects in it: 1) the theoretical and model of life appraisal also in progressively ripe with improve the stage, in assessment, use a large amount of characteristic parameters, these parameters are also constantly being adjusted and are optimizing, thereby make troubles to evaluation work; 2) evaluation work automaticity is not high, and mass data need to rely on manual typing; 3) evaluation work is generally for certain particular device, do not form can compatible various equipment types Universal Assessment mechanism; 4) assessment result is not carried out global visualization displaying.
Summary of the invention
Technical matters to be solved by this invention be overcome that existing grid equipment life appraisal automaticity is low, the problem such as very flexible, bandwagon effect are not good, provide a kind of based on many characteristic parameters can expansion, the life-span classified estimation platform of flexible configuration, user friendly, compatible multiple grid equipment.
Concrete technical scheme of the present invention is as follows:
Grid equipment life appraisal platform based on many characteristic parameters, bottom-up infrastructure service module, business logic modules and the foreground display module of comprising,
Wherein, infrastructure service device module provides data-interface for business logic modules, and business logic modules is accessed the relevant basic data of corresponding database Real-time Obtaining by data-interface, in order to evaluates calculation; Described infrastructure service device module is also integrated, and several universal calculation equation calls for business logic modules;
One/bis-/tri-grades of health index evaluation modules of grid equipment in business logic modules, are built, three health index evaluation modules fully utilize the basic data of obtaining from infrastructure service module successively, realize three grades of assessments and bad condition correction, and draw one/bis-/tri-grades of health index of grid equipment, final health index, residual life and failure rate;
Foreground display module provides operation interface for user, and realizes the overview display of grid equipment lifetime results, and operation interface comprises that geographic view shows that operation pages, assessment initiate/check operation pages, the assessment statistical operation page and parameter configuration operation pages.
Aforesaid infrastructure service device module comprises for the data-interface that business logic modules provides: account data-interface, service data interface, defective data interface, weather data interface, geographic information data interface, checking experiment data-interface and life appraisal data read and write interface; Described data-interface is by the mode accessing database of Webservice or JDBC.
Aforesaid database comprises: PMS database, EMS database, meteorogical phenomena database, online monitoring data storehouse, charged Test database, geographic information database and life appraisal database; Described account data-interface access PMS database, therefrom obtains machine account information; Described service data interface accessing online monitoring data storehouse and EMS database, therefrom obtain oil chromatography, DC magnetic biasing, load, oil temperature, core current history and current data; Described defective data interface accessing PMS database, therefrom obtains historical defect record; Described weather data interface accessing meteorogical phenomena database, therefrom obtains humiture and environmental monitoring data; Described geographic information data interface accessing geographic information database, therefrom obtains geography information, power network topology information; Described checking experiment data-interface is accessed charged Test database, therefrom obtains infrared, ultraviolet, supersonic test data; Described life appraisal data read and write interface access life appraisal database, carries out read-write operation to equipment evaluation result intermediate result and net result.
The universal calculation equation of aforesaid infrastructure service device module comprises operating load calculation of capacity formula, expection operation life computing formula, greatly/small-sized index computing formula, initial ageing system computing formula, degree of association Matrix Computation Formulas.
One-level evaluation module in aforesaid business logic modules is mainly for assessment of environment, load and the expection operation life of equipment; Described secondary evaluation module is mainly for assessment of the operational factor quantized value of equipment; The reliability of described three grades of main assessment apparatus all parts of evaluation module.
Aforesaid business logic modules also comprises statistical summaries module and intelligent analysis module, in order to support foreground display module; Described statistical summaries module according to device type and equipment electric pressure, is shown the assessment result of variety classes equipment respectively with pie chart and histogram; Described intelligent analysis module scans equipment evaluation result in half a year, carries out early warning in the time finding following situation:
1) failure rate >0.5 or the residual life <5 of two and above equipment in same transformer station;
2) two, the Liang Ge transformer station that topological structure is adjacent and failure rate >0.5 or the residual life <5 of above equipment.
In the display module of aforesaid foreground, described geographic view shows that the grid equipment life appraisal result data that operation pages obtains Geographic Information System (GIS) data and business logic modules merges mutually, thus on electrical network framework the life situations of facilities for observation intuitively; Described assessment is initiated/checks after the page is chosen grid equipment by mechanism of province-> city-> county-> transformer station tree to call three grades of assessment results in business logic modules, evaluate successively, if correlated characteristic data cannot obtain from database, by the manual typing of user, complete after current grade evaluation, automatically enter next stage evaluation; The assessment statistical operation page carries out various dimensions displaying by three grades of assessment results in business logic modules according to districts and cities, electric pressure, device type; Parameter configuration operation pages is carried out dynamic-configuration to Weight of Expert, assessment characteristic parameter.
The invention has the beneficial effects as follows, the multiple data sources such as integrated application PMS of the present invention, EMS, band electro-detection, on-line monitoring, meteorology and geography information, use three life time of the level appraisal procedures to assess grid equipment, meanwhile, provide the visualization techniques such as geographic view that assessment result is carried out to image display.The present invention can support the plurality of devices such as transformer, isolating switch, current transformer, voltage transformer (VT) and lightning arrester, there is the features such as high cohesion, low coupling, flexible configuration, utilize the present invention, professional and developer can carry out according to the actual requirements the fast Development of service life evaluation system and dispose with dynamically perfect, thereby provide great convenience for carrying out of life appraisal work.
Brief description of the drawings
Fig. 1 is the grid equipment life appraisal platform structure schematic diagram based on many characteristic parameters of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to more detailed description.
Shown in Fig. 1, the grid equipment life appraisal platform based on many characteristic parameters of the present invention, bottom-up infrastructure service module, business logic modules and the foreground display module of comprising, concrete,
Infrastructure service module: infrastructure service device module provides data-interface for business logic modules, accesses corresponding database by data-interface, and the data that Real-time Obtaining is relevant, for assessment of calculating.Data-interface comprises: account data-interface, service data interface, defective data interface, weather data interface, geographic information data interface, checking experiment data-interface and life appraisal data read and write interface.Database comprises PMS database, EMS database, meteorogical phenomena database, online monitoring data storehouse, charged Test database, geographic information database and life appraisal database; Wherein account data-interface access PMS database, therefrom obtains machine account information; Service data interface accessing online monitoring data storehouse, therefrom obtains history and the current datas such as oil chromatography, DC magnetic biasing, core current; Defective data interface accessing PMS database, therefrom obtains device history defect record; Weather data interface accessing meteorogical phenomena database, therefrom obtains humiture and environmental monitoring data; Geographic information data interface accessing geographic information database, therefrom obtains geography information, power network topology information; Checking experiment data-interface is accessed charged Test database, therefrom obtains infrared, ultraviolet, supersonic test data; Life appraisal data read and write interface access life appraisal database, carries out read-write operation to equipment evaluation result intermediate result and net result.Each data-interface from corresponding database Real-time Obtaining related data, and is back to business logic modules in order to evaluates calculation according to the requirement of business logic modules.Data-interface, by the mode accessing database of Webservice or JDBC, should take into full account extensibility.
Owing to using model and the formula of large amount of complex in life appraisal, and most of formula can be multiplexing, therefore infrastructure service device module integration operating load calculation of capacity formula, expection operation life computing formula, greatly/small-sized index computing formula, initial ageing system computing formula, the tens of kinds of universal calculation equations such as degree of association Matrix Computation Formulas call for business logic modules.
Business logic modules: built one/bis-/tri-grades of health index evaluation modules of grid equipment in business logic modules, three health index evaluation modules fully utilize the basic data of obtaining from infrastructure service module successively, realize three grades of assessments and bad condition correction, and draw one/bis-/tri-grades of health index of grid equipment, final health index, residual life and failure rate.Three grades of appraisal procedures have had comprehensive introduction in the Liu Wei of North China Electric Power University 2008 master's thesis " assessment of power transformer health status and Residual Life ".
Business logic modules provides a classified estimation framework flexibly, and developer can be configured and adjust required characteristic parameter according to real needs.One-level is assessed the factors such as environment, load and the expection operation life of main concern equipment; Secondary assessment concern equipment operational factor quantized value; The reliability of three grades of assessment concern equipment all parts.Business logic modules by life appraisal data read and write interface by assessment result data and intermediate data storage to life appraisal database.It should be noted that, for dissimilar equipment, one-level assessment algorithm is generally general, secondary assessment and three grades of assessments are because each equipment is different, following simple example explanation: with regard to secondary assessment, the service data of transformer comprises insulating paper, insulating oil and preventive experiment etc. (can further segment, can be divided into again in oil chromatography, oil test and oil furfural etc. as insulating oil), and the service data of isolating switch comprises mechanical property, electrical specification and insulation characterisitic etc.; For three grades of assessments, transformer comprises the parts such as body, sleeve pipe, chiller system, and isolating switch comprises body, breaker mechanism, shnt capacitor and switching-on resistance etc.Bad condition correction can be accepted or rejected as required.
Business logic modules also comprises statistical summaries module and intelligent analysis module, in order to support foreground display module.Wherein statistical summaries module, respectively according to device type and equipment electric pressure, is shown the assessment result of variety classes equipment with pie chart and histogram; Intelligent analysis module scans equipment evaluation result in half a year, carries out early warning in the time finding following situation:
1) failure rate >0.5 or the residual life <5 of two and above equipment in same transformer station;
2) failure rate >0.5 or the residual life <5 of two, the Liang Ge transformer station that topological structure is adjacent and above equipment (each transformer station is at least containing one).
Foreground display module comprises geographic view and shows that operation interface, assessment initiate/check operation interface, assessment statistical operation interface and parameter configuration operation interface, for user provides operation interface, and realizes the overview display of grid equipment lifetime results.The grid equipment life appraisal result data that geographic view displayed page obtains Geographic Information System (GIS) data (GIS) and business logic modules merges mutually, thereby the life situations of facilities for observation intuitively on electrical network framework, wherein Geographic Information System (GIS) data derives from geographic information database, comprise fundamental geological base map and Net Frame of Electric Network figure, can select different electric pressure Net Frame of Electric Network figure as base map (500kV/220kV/110kV etc.), device type, life appraisal result be combined to displaying as the Layer Option simultaneously.Assessment initiation/displayed page is chosen after grid equipment by mechanism of province-> city-> county-> transformer station tree, call three grades of assessment results in business logic modules, evaluate successively, if correlated characteristic data (as rate of load condensate, environmental rating, aging coefficient, routine and diagnostic experimental data) cannot be calculated and obtain according to the database in infrastructure service device module, by the manual typing of user, complete after current grade evaluation, automatically enter next stage evaluation; The assessment statistics page carries out various dimensions displaying by three grades of assessment results in business logic modules according to districts and cities, electric pressure, device type and assessment result etc.; The parameter configuration page can carry out dynamic-configuration to parameters such as Weight of Expert, assessment characteristic parameters, dynamic-configuration refers to by the Weight of Expert of WEB page editing various kinds of equipment, assessment characteristic parameter equivalence, be convenient to professional and adjust flexibly according to actual needs assessment models, thereby obtain assessment result more accurately.Concrete mode is the latitude and longitude coordinates based on transformer station, and transformer station is shown in Geographic Information System, in the time that mouse moves to transformer station top, shows the up-to-date assessment result of all devices in this transformer station in suspended frame mode.
Below disclose the present invention with preferred embodiment, so it is not intended to limiting the invention, and all employings are equal to replaces or the technical scheme that obtains of equivalent transformation mode, within all dropping on protection scope of the present invention.
Claims (7)
1. the grid equipment life appraisal platform based on many characteristic parameters, is characterized in that, bottom-up infrastructure service module, business logic modules and the foreground display module of comprising,
Wherein, infrastructure service device module provides data-interface for business logic modules, and business logic modules is accessed the relevant basic data of corresponding database Real-time Obtaining by data-interface, in order to evaluates calculation; Described infrastructure service device module is also integrated, and several universal calculation equation calls for business logic modules;
One/bis-/tri-grades of health index evaluation modules of grid equipment in business logic modules, are built, three health index evaluation modules fully utilize the basic data of obtaining from infrastructure service module successively, realize three grades of assessments and bad condition correction, and draw one/bis-/tri-grades of health index of grid equipment, final health index, residual life and failure rate;
Foreground display module provides operation interface for user, and realizes the overview display of grid equipment lifetime results, and operation interface comprises that geographic view shows that operation pages, assessment initiate/check operation pages, the assessment statistical operation page and parameter configuration operation pages.
2. the grid equipment life appraisal platform based on many characteristic parameters according to claim 1, it is characterized in that, described infrastructure service device module comprises for the data-interface that business logic modules provides: account data-interface, service data interface, defective data interface, weather data interface, geographic information data interface, checking experiment data-interface and life appraisal data read and write interface; Described data-interface is by the mode accessing database of Webservice or JDBC.
3. the grid equipment life appraisal platform based on many characteristic parameters according to claim 2, is characterized in that, described database comprises: PMS database, EMS database, meteorogical phenomena database, online monitoring data storehouse, charged Test database, geographic information database and life appraisal database; Described account data-interface access PMS database, therefrom obtains machine account information; Described service data interface accessing online monitoring data storehouse and EMS database, therefrom obtain oil chromatography, DC magnetic biasing, load, oil temperature, core current history and current data; Described defective data interface accessing PMS database, therefrom obtains historical defect record; Described weather data interface accessing meteorogical phenomena database, therefrom obtains humiture and environmental monitoring data; Described geographic information data interface accessing geographic information database, therefrom obtains geography information, power network topology information; Described checking experiment data-interface is accessed charged Test database, therefrom obtains infrared, ultraviolet, supersonic test data; Described life appraisal data read and write interface access life appraisal database, carries out read-write operation to equipment evaluation result intermediate result and net result.
4. the grid equipment life appraisal platform based on many characteristic parameters according to claim 1, it is characterized in that, the universal calculation equation of described infrastructure service device module comprises operating load calculation of capacity formula, expection operation life computing formula, greatly/small-sized index computing formula, initial ageing system computing formula, degree of association Matrix Computation Formulas.
5. the grid equipment life appraisal platform based on many characteristic parameters according to claim 1, is characterized in that, the one-level evaluation module in described business logic modules is mainly for assessment of environment, load and the expection operation life of equipment; Described secondary evaluation module is mainly for assessment of the operational factor quantized value of equipment; The reliability of described three grades of main assessment apparatus all parts of evaluation module.
6. the grid equipment life appraisal platform based on many characteristic parameters according to claim 1, is characterized in that, described business logic modules also comprises statistical summaries module and intelligent analysis module, in order to support foreground display module; Described statistical summaries module according to device type and equipment electric pressure, is shown the assessment result of variety classes equipment respectively with pie chart and histogram; Described intelligent analysis module scans equipment evaluation result in half a year, carries out early warning in the time finding following situation:
1) failure rate >0.5 or the residual life <5 of two and above equipment in same transformer station;
2) two, the Liang Ge transformer station that topological structure is adjacent and failure rate >0.5 or the residual life <5 of above equipment.
7. the grid equipment life appraisal platform based on many characteristic parameters according to claim 1, it is characterized in that, in the display module of described foreground, described geographic view shows that the grid equipment life appraisal result data that operation pages obtains Geographic Information System (GIS) data and business logic modules merges mutually, thus on electrical network framework the life situations of facilities for observation intuitively; Described assessment is initiated/checks after the page is chosen grid equipment by mechanism of province-> city-> county-> transformer station tree to call three grades of assessment results in business logic modules, evaluate successively, if correlated characteristic data cannot obtain from database, by the manual typing of user, complete after current grade evaluation, automatically enter next stage evaluation; The assessment statistical operation page carries out various dimensions displaying by three grades of assessment results in business logic modules according to districts and cities, electric pressure, device type; Parameter configuration operation pages is carried out dynamic-configuration to Weight of Expert, assessment characteristic parameter.
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Application publication date: 20140820 |