CN103970887A - Information stream display system and method based on GIS distribution network graphs - Google Patents

Information stream display system and method based on GIS distribution network graphs Download PDF

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Publication number
CN103970887A
CN103970887A CN201410213986.0A CN201410213986A CN103970887A CN 103970887 A CN103970887 A CN 103970887A CN 201410213986 A CN201410213986 A CN 201410213986A CN 103970887 A CN103970887 A CN 103970887A
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China
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data
information
circuit
pel
distribution network
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CN201410213986.0A
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CN103970887B (en
Inventor
张忠
陈淳
张康兰
王子扬
刘冠骞
孙赐恩
李玲
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Guangzhou Guyuan Electric Power Engineering Design Co., Ltd.
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Guangzhou College of South China University of Technology
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24Querying
    • G06F16/248Presentation of query results

Abstract

The invention discloses a system and method based on GIS distribution network graphic display. The system comprises a user data information recorder, a data operational unit, an information matching module, a data analyzer and a display module. The user data information recorder, the data operational unit, the information matching module, the data analyzer and the display module are sequentially connected. The method includes the steps of data information input, data operation, building of a new data storage, matching of corresponding data information, data analysis, generation of data information streams and display of the data information streams on the corresponding GIS graphs. By the adoption of the system and method, data size analysis efficiency is remarkably improved, complex chart data are converted into graphic display information easy to understand, and a distribution network is planned through a GIS through virtual image display.

Description

A kind of information flow display system and method based on GIS power distribution network figure
Technical field
The invention belongs to network Web GIS data presentation technique field, particularly a kind of based on the patterned data message stream display system of GIS distribution and method.
Background technology
The management of electric power system and facility thereof, both power supply facilities device attribute data had been related to, operation of power networks data and user profile, relate to again the empty data such as the geographic position of power supply facilities, further also relate to power supply system network structure and network topology, its information adheres to the device space separately, electric physics space, geographical space, the information management system of describing based on relational data of the routines such as manifold is difficult to reflect the mutual stack of this many spatial informations, misfortune is closed and mapping relations, so both there is routine information management function, the special description that possesses again geospatial information, storage, the Geographic Information System theory of analytic function, method and technology, introduce in electric power system information management, and all kinds of electric power GIS application systems are formed.From power system network structure, distribution system is the most complicated, is that electric power GIS is applied most active object.
Distribution Power Network GIS (being called for short " distribution GIS " herein) is the integrated application achievement of computer graphics techniques, database technology, network technology and geographic information system technology.With respect to conventional distribution mis system, distribution automation system (DA), its maximum feature is description, storage, the analytic function based on the peculiar geospatial information of Geographic Information System, realizes the spatial geographical locations of power distribution network facility and mutual mapping and the unified management of distribution facilities and equipment and service data.Meanwhile, the distribution facility geographical network and the further geometric network forming that utilize distribution GIS to form, describe spatial relation and connected relation between facility, for all kinds of distribution specialty analysis of realizing based on distribution topology lay the foundation.
Exchanges data between GIS often cannot perfectly realize.This may be because of many-sided reason as the incompatibility of system, numerical accuracy difference, the reason of the several respects such as intermediary's file layout and software limitations.So select suitable power distribution network data-interface, can better realize the application of generalized information system at power distribution network.
Because centralized GIS can not solve the compatibility of software, data layout, memory model and data processing method that each system adopts effectively, carry out effective exchange of information and share and comprehensive data analysis.
At present network technology is applied and is mainly contained centralized, C/S model and three kinds of tactic patterns of B/S pattern in GIS.
But the GIS of C/S structure can the fine effect of carrying out information management and information sharing, many system operational excellences, but along with the range of system applies strengthens, C/S model exists that professional platform independence is poor, maintenance upgrade is difficult and the problem such as system resource redundance is large, and its closure makes people be difficult to set up complete information network system.Therefore, the GIS of this pattern can not meet user's requirement.
Along with the development of Internet technology, the B/S tactic pattern of arising at the historic moment is compared C/S structure more extendability, and it has solved the problem that C/S model faces, and enough meets the requirement of user to information management.Its operating mechanism still adopts distributed treatment, but user interface will be all the Web page presenting in browser.Its user interface possesses friendly and consistance, and easy operating, and professional platform independence is high is convenient to the management of expansion, variation and system of customer group and the installation of software, upgrading, and this analysis is mainly to discuss with up-to-date Web GIS pattern.
Summary of the invention
The shortcoming that the object of the invention is to overcome prior art, with not enough, provides a kind of based on the graphical system showing of GIS power distribution network.
Another object of the present invention is to, a kind of method showing based on GIS power distribution network pattern data information stream is provided.
In order to reach above-mentioned the first object, the present invention by the following technical solutions:
A kind of based on the graphical system showing of GIS power distribution network, comprise user data information register, data operator, information matches module, data-analyzing machine and display module, described user data information register, data operator, information matches module, data-analyzing machine and display module connect successively;
Described user data information register, for by a form of base table data importing database, records storage;
Described data operator, be used for the base table data of typing according to southern net directive/guide (national grid directive/guide) and relevant regulations, its relative data is carried out to automated programming calculating, and be stored in another form of database, use as dynamic data base;
Described information matches module, utilize in database by the data in the form after computing by with distribution Geographic Information System figure on equipment, line information carry out Data Matching, after the coupling by data, data are corresponded on corresponding figure;
Described data-analyzing machine, certain data obtaining by match information module, analyze its data message, judge the interval of definition at place, obtain corresponding color lump classification according to numerical value;
Described display module, is reflected to WebGIS by the color lump of the specific demonstration of the data message obtaining and corresponding institute and goes up, and the form showing by easy graphical information realizes reading of loaded down with trivial details data message.
Preferably, described data operator comprises that interconnective data operation module and data produce memory module;
Described data operation module, according to southern net directive/guide south electric network directive/guide (national grid directive/guide) calculating of programming, draws needed data message for the base table data to its typing; Described data generating module, for data message that data operation module is drawn and original underlying table Data Integration, is stored in another form of database, uses as dynamic data base.
Preferably, described data-analyzing machine comprises interconnective data judge module and Data classification module;
Described data judge module, for the data value of gained is judged, determines the interval at place;
Described Data classification module, for being classified according to the color setting in the interval at place, the color lump between specified data location, corresponds to data message on the color lump of corresponding demonstration.
In order to reach above-mentioned the second object, the present invention by the following technical solutions:
Based on the graphical method showing of GIS power distribution network, comprise the steps:
(1) user is in a form of base table data importing database, and it is stored;
(2) data operation:
(2-1) by the base table data of typing in step (1), according to southern net directive/guide (national grid directive/guide) and relevant regulations, its relative basic data is carried out to the programming on backstage and calculate, system calculates required data message amount automatically;
(2-2) the data message amount of automatically calculating and the basic data of base table are stored in another form of database in the lump, use as dynamic data base;
(3) match information module: the data message in the form after storing by computing in (2-2) is carried out to Data Matching by equipment, line information on search method and the Distribution Power Network GIS figure of key word, after the coupling by data, data are corresponded on the map of corresponding Distribution Power Network GIS;
(4) data analysis:
(4-1) setting data interval value, by the data of step (3) institute equipment, circuit ruuning situation, is presented at the ruuning situation of transformer and circuit on GIS map by the difference of color; On the loading condition of equipment and circuit, the rule of being netted from south, equipment and line load rate are less than 30% and are called underloading, it between 30%~80%, is normal condition, between 80%~100%, be called heavy duty, exceed 100% and be called overload, its data message is analyzed to judgement, determine the loading condition of equipment;
(4-2) color classification is carried out to it in the interval obtaining according to (4-1), be blue by the display definition of underloading situation, normal condition is defined as to green, case of heavy load is defined as to yellow, overload situations is defined as to redness, color lump between specified data location, corresponds to data message on the color lump of corresponding demonstration;
(5) display module: the color lump of the data message obtaining and corresponding specific demonstration is reflected on WebGIS, equipment is by giving equipment state explicit identification color acquired information data volume, circuit adheres to color acquisition data message amount by giving whole piece circuit, and can check by pointing device or line name the detailed status information of this circuit or equipment, realize loaded down with trivial details data message and understand as required the detailed status information of each equipment or circuit in depth by the variation of easy color.
Preferably, in step (1), described base table data comprise: the data messages such as the mainly operating index comparison in recent years of present situation low and medium voltage distribution network device statistics situation, bus transforming plant main transformer electric power thus supplied, power distribution network 10 or 20kV public line basic condition, the public heavy overload distribution transforming inventory of present situation, present situation low voltage platform district detail, power distribution network, power distribution network weigh, overload public line detail list, the defective public line detail list of power distribution network terminal voltage.
Preferably, in step (2-1), according to south electric network directive/guide (national grid directive/guide), its relative basic data being carried out to the programming on backstage calculates the calculating of programming of the attribute column of basic data, mainly comprise grid structure level, load service capability, the horizontal three aspects: of equipment technology, comprehensive evaluation low and medium voltage distribution network present situation; Calculate looped network rate, stand between contact rate, circuit average mark hop count, circuit can turn power supply rate, networking wiring standard rate, the defective ratio of 10kV line end voltage, circuit Rate of average load, heavy-haul line ratio, overload circuit ratio, heavily loaded distribution transforming ratio, overload distribution transforming ratio, basic routing line insulation rate, basic routing line cable rate, high loss distribution transforming number of units ratio, exceed 20 years circuit ratios, exceed distribution transforming in 20 years ratio, exceed 20 years switch ratios.
Preferably, in step (3), in the topological graph of power distribution network, include transformer station, bus, switch, circuit and transformer; Be graphical element model by its specification: pel ID Code Type STATE TOP FRGP MP}, and wherein pel ID: the unique identifier of pel, pel comprises bus, circuit, switch and transformer; Code: the SIC code of pel or title; Type: the classified information of pel; The state of STATE pel, only, for transformer station is running status, bus, circuit are electriferous state, and switch is coupled situation, and cut-offfing is that 0 closure is 1; TOP: circuit unit, switch topology descriptor, be stored in No. ID of coupled in logic electric object; FR: the membership of pel; GP, MP: be respectively graphic attribute and management attribute, described graphic attribute comprises figure coordinate and color, and described management attribute comprises model, producer and electric parameter.
By the objectification of pel, figure metasymbol and the attribute and the behavior that have the attributes such as pel outward appearance, shape and position in database and spatial object can be combined, really realize the integrated of graphic attribute, retrieve and represent association attributes data thereby can realize from operation interface; To the electrical equipment object definition general class in power distribution network figure, make it have following function:
(1) according to the pattern of the clear and definite pel of type of each concrete pel;
(2) each generic attribute that clear and definite pel has;
(3) logic connecting relation of clear and definite pel in topological diagram, can be described below the definition of pel general object according to Device-General model above:
Pel general object:
{
Pel major key (No. ID);
Pel kind;
Pel annexation;
Pel membership;
Primitive attribute list
}。
Preferably, in step (4-1), read the data form attribute column load factor of (2-2), programming judge that the size of statement differentiation load factor determines the duty of equipment or circuit, load factor is less than 30% for underloading, load factor is more than or equal to 30% and is less than 80% for normal condition, is more than or equal to 80% and is less than 100% for heavy duty, is more than or equal to 100% for overload.
Preferably, in step (5), in the time showing GIS power distribution network geography information figure, Adoption Network topology coloring, carries out the situation of corresponding device and circuit paintedly to it, replace loaded down with trivial details data message by easy graphical information.
Preferably, in step (5), the concrete step display of display module is:
(5-1) transformer station represents symbol color acquired information data volume by giving transformer station, transformer represents symbol color acquired information data volume by giving transformer, link tester is crossed and is given whole piece line alignment color acquisition data message amount, realizes loaded down with trivial details data message by the variation of easy color;
(5-2) by clicking the expression symbol of transformer, eject dialog box, show the detailed real-time information of this equipment, comprise its model, capacity, no-load voltage ratio, the operation time limit, producer's information, annual service data, and available excel form derives its information;
(5-3) by clicking the expression symbol of transformer station, eject dialog box, show the details of this transformer station, comprise its main transformer number of units and capacity composition, total volume, circuit outlet number and model composition, reactive compensation capacity and its allocation ratio, high-pressure side peak load, load factor, circuit outgoing line interval situation, N-1 status information, and available excel form derives its information;
(5-4) by clicking public line, eject dialog box, show the details of this circuit, show service area classification, all kinds of Connection Mode circuit return number, looped network rate, network connection standardized rate, stand between contact rate, circuit average mark hop count, can turn power supply rate, and available excel form derives its information;
(5-5) by clicking the geographical plate of this district or this county, eject dialog box, with delivery and the supply load of this each transformer station of district of histogram graph representation, and available excel form derives its information.
The present invention has following advantage and effect with respect to prior art:
1. the present invention replaces manually to read and judges loaded down with trivial details data message, and data message is shown by picture and text form intuitively, has greatly reduced planning personnel's workload, has improved design effort efficiency, has realized the Synchronous lifting of quality and efficiency.
2. the present invention can monitor in real time to GIS, and because user can constantly update input data, data operator carries out being stored in database after computing to up-to-date data, efficiently solves the problem of Data Update.
3. user management module of the present invention, management map module and domestic consumer's operational module, can well customize Map Services, issue Map Services and change Map Services, and the visual of system can be grown with each passing hour.
4. the network structure of B/S of the present invention is built for the Distribution Power Network GIS based on GIS, all programs are all to bring in realization at server, therefore need not take into account hardware and the operating system of client computer, the required software of user side is simplified greatly, both saved user's expense, make again system be easy to upgrade maintenance, meet the trend of current information System Development.
5. the present invention adopts the shared mode of Web GIS info web to stop system information interaction difficulty, cause all departments, each Enterprise Resource can not fully share, information can not be rationally shared subnetwork and application system to be established one's own system, " information island " phenomenon of formation.
Brief description of the drawings
Fig. 1 is general structure block diagram of the present invention.
Fig. 2 is the structural representation of the data operator shown in Fig. 1.
Fig. 3 is the structural representation of the data-analyzing machine shown in Fig. 1.
Fig. 4 is the overview flow chart of the inventive method.
Fig. 5 judges the process flow diagram of determining color lump between data message location shown in Fig. 4.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1-Figure 3, a kind of method showing based on GIS power distribution network pattern data information stream, described system comprises user data information register, data operator, information matches module, data-analyzing machine and display module, described data operator comprises that data operation module and data produce memory module, described data operation module produces memory module with user data information register, data and is connected, and described data produce memory module and are connected with data operation module, information matches module.
Described data-analyzing machine comprises data discriminatory analysis module and Data classification module, and described data discriminatory analysis module is connected with information matches module, Data classification module, and described Data classification module is connected with data discriminatory analysis module, display module.
Wherein:
Described user data information register, for by a form of base table data importing database, records storage;
Described data operator, be used for the base table data of typing according to southern net directive/guide (national grid directive/guide) and relevant regulations, its relative data is carried out to automated programming calculating, and be stored in another form of database, use as dynamic data base;
Described match information module, utilize in database by the data in the form after computing by with distribution Geographic Information System figure on the information such as equipment, circuit carry out Data Matching, after the coupling by data, data are corresponded on corresponding figure;
Described data-analyzing machine, certain data obtaining by match information module, analyze its data message, judge the interval of definition at place, obtain corresponding color lump classification according to numerical value;
Described display module, is reflected to WebGIS by the color lump of the specific demonstration of the data message obtaining and corresponding institute and goes up, and the form showing by easy graphical information realizes reading of loaded down with trivial details data message;
As shown in Figure 4, Figure 5, the method based on Web GIS demonstration data message stream being realized by said system, comprises step:
(1) user is in a form of base table data importing database, and it is stored;
(2) data operation:
(2-1) by the base table data of typing in step (1), according to south electric network directive/guide (national grid directive/guide) and relevant regulations, its relative basic data is carried out to the programming on backstage and calculate, system calculates required data message amount automatically;
(2-2) the data message amount of automatically calculating and the basic data of base table are stored in another form of database in the lump, use as dynamic data base;
(3) match information module: by (2-2) by computing the method such as the retrieval of the data message in the form after storing by key word carry out Data Matching with the information such as equipment, circuit on distribution Geographic Information System figure, afterwards data are corresponded on the map of corresponding distribution Geographic Information System by the coupling of data;
(4) data analysis:
(4-1) setting data interval value, by the data of the ruuning situations such as step (3) institute equipment, circuit, is presented at the ruuning situation of transformer and circuit on GIS map by the difference of color.On the loading condition of equipment and circuit, from south electric network directive/guide (national grid directive/guide), equipment and line load rate are less than 30% and are called underloading, it between 30%~80%, is normal condition, between 80%~100%, be called heavy duty, exceed 100% and be called overload, its data message is analyzed to judgement, determine the loading condition of equipment;
(4-2) color classification is carried out to it in the interval obtaining according to (4-1), be blue by the display definition of underloading situation, normal condition is defined as to green, case of heavy load is defined as to yellow, overload situations is defined as to redness, color lump between specified data location, corresponds to data message on the color lump of corresponding demonstration;
(5) display module:
(5-1) transformer station represents symbol color acquired information data volume by giving transformer station, transformer represents symbol color acquired information data volume by giving transformer, link tester is crossed and is given whole piece line alignment color acquisition data message amount, realizes loaded down with trivial details data message by the variation of easy color;
(5-2) by clicking the expression symbol of transformer, eject dialog box, show the detailed real-time information of this equipment, comprise its model, capacity, no-load voltage ratio, the operation time limit, producer's information, annual service data, and available excel form derives its information;
(5-3) by clicking the expression symbol of transformer station, eject dialog box, show the details of this transformer station, comprise its main transformer number of units and capacity composition,, total volume, circuit outlet number and model composition, reactive compensation capacity and its allocation ratio, high-pressure side peak load, load factor, circuit outgoing line interval situation, N-1 status information, and available excel form derives its information;
(5-4) by clicking public line, eject dialog box, show the details of this circuit, show service area classification, all kinds of Connection Mode circuit return number, looped network rate, network connection standardized rate, stand between contact rate, circuit average mark hop count, can turn power supply rate, and available excel form derives its information;
(5-5) by clicking the geographical plate of this district or this county, eject dialog box, with delivery and the supply load of this each transformer station of district of histogram graph representation, and available excel form derives its information.
In step (1), described base table data comprise: the data messages such as the mainly operating index comparison in recent years of present situation low and medium voltage distribution network device statistics situation, bus transforming plant main transformer electric power thus supplied, power distribution network 10 (20) kV public line basic conditions, the public heavy overload distribution transforming inventory of present situation, present situation low voltage platform district detail, power distribution network, power distribution network weigh, overload public line detail list, the defective public line detail list of power distribution network terminal voltage.
In step (2-1), according to south electric network directive/guide (national grid directive/guide), its relative basic data being carried out to the programming on backstage calculates the calculating (all calculating relating to is all academic formula) of programming of the attribute column of basic data, mainly comprise grid structure level, load service capability, the horizontal three aspects: of equipment technology, comprehensive evaluation low and medium voltage distribution network present situation.Calculate looped network rate, stand between contact rate, circuit average mark hop count, circuit can turn power supply rate, networking wiring standard rate, the defective ratio of 10kV line end voltage, circuit Rate of average load, heavy-haul line ratio, overload circuit ratio, heavily loaded distribution transforming ratio, overload distribution transforming ratio, basic routing line insulation rate, basic routing line cable rate, high loss distribution transforming number of units ratio, exceed 20 years circuit ratios, exceed distribution transforming in 20 years ratio, exceed 20 years switch ratios.
In step (3), in the topological graph of power distribution network, include bus, switch, circuit, transformer.Be graphical element model by its specification: pel { ID Code Type STATE TOP FR GP MP}, wherein pel (transformer station, bus, circuit, switch, transformer) ID: the unique identifier of pel; Code: the SIC code of pel or title; Type: the classified information of pel; The state (only, for transformer station, bus, circuit are electriferous state, switch is coupled situation, and cut-offfing is that 0 closure is 1) of STATE pel; TOP: the topological descriptor of circuit unit, switch, is stored in No. ID of coupled in logic electric object; FR: the membership of pel; GP, MP: be respectively graphic attribute (figure coordinate, color) and management attribute (model, producer, electric parameter).
By the objectification of pel, figure metasymbol and the attribute and the behavior that have the attributes such as pel outward appearance, shape and position in database and spatial object can be combined, really realize the integrated of graphic attribute, retrieve and represent association attributes data thereby can realize from operation interface.To the electrical equipment object definition general class in power distribution network figure, make it have following function:
(1) according to the pattern of the clear and definite pel of type of each concrete pel;
(2) each generic attribute that clear and definite pel has;
(3) logic connecting relation of clear and definite pel in topological diagram.Can be described below the definition of pel general object according to Device-General model above:
Pel general object:
{
Pel major key (No. ID);
Pel kind;
Pel annexation;
Pel membership;
Primitive attribute list
}。
In step (4-1), read the data form attribute column load factor of (2-2), programming judge that the size of statement differentiation load factor determines the duty of equipment or circuit, load factor is less than 30% for underloading, load factor is more than or equal to 30% and is less than 80% for normal condition, be more than or equal to 80% and be less than 100% for heavy duty, be more than or equal to 100% for overload.
As the demonstration of GIS geography information figure, Adoption Network topology coloring, carries out the situation of corresponding device and circuit paintedly to it, replace loaded down with trivial details data message by easy graphical information, increases work efficiency.
The principle of the invention: the present invention is by the data of user's typing, programme and calculate and store according to the data of institute's typing, the data messages such as device line are mated with Geographic Information System relevant position, and utilize data-analyzing machine analysis, draw corresponding shown color lump, be reflected on distribution GIS figure.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.

Claims (10)

1. the system based on the graphical demonstration of GIS power distribution network, it is characterized in that, comprise user data information register, data operator, information matches module, data-analyzing machine and display module, described user data information register, data operator, information matches module, data-analyzing machine and display module connect successively;
Described user data information register, for by a form of base table data importing database, records storage;
Described data operator, for by the base table data of typing according to south electric network directive/guide and national grid directive/guide, its relative data is carried out to automated programming calculating, and is stored in another form of database, use as dynamic data base;
Described information matches module, utilize in database by the data in the form after computing by with distribution Geographic Information System figure on equipment, line information carry out Data Matching, after the coupling by data, data are corresponded on corresponding figure;
Described data-analyzing machine, certain data obtaining by match information module, analyze its data message, judge the interval of definition at place, obtain corresponding color lump classification according to numerical value;
Described display module, is reflected to WebGIS by the color lump of the specific demonstration of the data message obtaining and corresponding institute and goes up, and the form showing by easy graphical information realizes reading of loaded down with trivial details data message.
2. the system based on the graphical demonstration of GIS power distribution network according to claim 1, is characterized in that, described data operator comprises that interconnective data operation module and data produce memory module;
Described data operation module, according to the calculating of programming of south electric network directive/guide and national grid directive/guide, draws needed data message for the base table data to its typing;
Described data generating module, for data message that data operation module is drawn and original underlying table Data Integration, is stored in another form of database, uses as dynamic data base.
3. the system based on the graphical demonstration of GIS power distribution network according to claim 1, is characterized in that, described data-analyzing machine comprises interconnective data judge module and Data classification module;
Described data judge module, for the data value of gained is judged, determines the interval at place;
Described Data classification module, for being classified according to the color setting in the interval at place, the color lump between specified data location, corresponds to data message on the color lump of corresponding demonstration.
4. based on the graphical method showing of GIS power distribution network, it is characterized in that, comprise the steps:
(1) user is in a form of base table data importing database, and it is stored;
(2) data operation:
(2-1) by the base table data of typing in step (1), according to south electric network directive/guide and national grid directive/guide, its relative basic data to be carried out to the programming on backstage and calculate, system calculates required data message amount automatically;
(2-2) the data message amount of automatically calculating and the basic data of base table are stored in another form of database in the lump, use as dynamic data base;
(3) match information module: the data message in the form after storing by computing in (2-2) is carried out to Data Matching by equipment, line information on search method and the Distribution Power Network GIS figure of key word, after the coupling by data, data are corresponded on the map of corresponding Distribution Power Network GIS;
(4) data analysis:
(4-1) setting data interval value, by the data of step (3) institute equipment, circuit ruuning situation, is presented at the ruuning situation of transformer and circuit on GIS map by the difference of color; On the loading condition of equipment and circuit, the rule of being netted from south, equipment and line load rate are less than 30% and are called underloading, it between 30%~80%, is normal condition, between 80%~100%, be called heavy duty, exceed 100% and be called overload, its data message is analyzed to judgement, determine the loading condition of equipment;
(4-2) color classification is carried out to it in the interval obtaining according to (4-1), be blue by the display definition of underloading situation, normal condition is defined as to green, case of heavy load is defined as to yellow, overload situations is defined as to redness, color lump between specified data location, corresponds to data message on the color lump of corresponding demonstration;
(5) display module:
The color lump of the data message obtaining and corresponding specific demonstration is reflected on Web GIS, equipment is by giving equipment state explicit identification color acquired information data volume, circuit adheres to color acquisition data message amount by giving whole piece circuit, and can check by pointing device or line name the detailed status information of this circuit or equipment, realize loaded down with trivial details data message by the variation of easy color, and understand as required the detailed status information of each equipment or circuit in depth.
5. according to claim 4 based on the graphical method showing of GIS power distribution network, it is characterized in that, in step (1), described base table data comprise: the main operating index comparison in recent years of present situation low and medium voltage distribution network device statistics situation, bus transforming plant main transformer electric power thus supplied, power distribution network 10 or 20kV public line basic condition, the public heavy overload distribution transforming inventory of present situation, present situation low voltage platform district detail, power distribution network, power distribution network weight, overload public line detail list, the defective public line detail list of power distribution network terminal voltage data message.
6. according to claim 4 based on the graphical method showing of GIS power distribution network, it is characterized in that, in step (2-1), according to south electric network directive/guide and national grid directive/guide, to the calculating of programming of the attribute column of basic data, comprise grid structure level, load service capability, the horizontal three aspects: of equipment technology, comprehensive evaluation low and medium voltage distribution network present situation; Calculate looped network rate, stand between contact rate, circuit average mark hop count, circuit can turn power supply rate, networking wiring standard rate, the defective ratio of 10kV line end voltage, circuit Rate of average load, heavy-haul line ratio, overload circuit ratio, heavily loaded distribution transforming ratio, overload distribution transforming ratio, basic routing line insulation rate, basic routing line cable rate, high loss distribution transforming number of units ratio, exceed 20 years circuit ratios, exceed distribution transforming in 20 years ratio, exceed 20 years switch ratios.
7. the method based on the graphical demonstration of GIS power distribution network according to claim 4, is characterized in that, in step (3), includes transformer station, bus, switch, circuit and transformer in the topological graph of power distribution network; Be graphical element model by its specification: pel ID Code Type STATE TOP FR GP MP}, and wherein pel ID: the unique identifier of pel, pel comprises transformer station, bus, circuit, switch and transformer; Code: the SIC code of pel or title; Type: the classified information of pel; The state of STATE pel, only, for transformer station is running status, bus, circuit are electriferous state, and switch is coupled situation, and cut-offfing is that 0 closure is 1; TOP: circuit unit, switch topology descriptor, be stored in No. ID of coupled in logic electric object; FR: the membership of pel; GP, MP: be respectively graphic attribute and management attribute, described graphic attribute comprises figure coordinate and color, and described management attribute comprises model, producer and electric parameter;
By the objectification of pel, figure metasymbol can be combined with there is pel outward appearance, shape and position attribution in database and attribute and the behavior of spatial object, really realize the integrated of graphic attribute, retrieve and represent association attributes data thereby can realize from operation interface; To the electrical equipment object definition general class in power distribution network figure, make it have following function:
(1) according to the pattern of the clear and definite pel of type of each concrete pel;
(2) each generic attribute that clear and definite pel has;
(3) logic connecting relation of clear and definite pel in topological diagram, can be described below the definition of pel general object according to Device-General model above:
Pel general object:
{
Pel major key (No. ID);
Pel kind;
Pel annexation;
Pel membership;
Primitive attribute list
}。
8. according to claim 4 based on the graphical method showing of GIS power distribution network, it is characterized in that, in step (4-1), read the data form attribute column load factor of (2-2), according to south electric network directive/guide and national grid directive/guide, programming judge that the size of statement differentiation load factor determines the duty of equipment or circuit, load factor is less than 30% for underloading, load factor is more than or equal to 30% and is less than 80% for normal condition, be more than or equal to 80% and be less than 100% for heavy duty, be more than or equal to 100% for overload.
9. according to claim 4 based on the graphical method showing of GIS power distribution network, it is characterized in that, in step (5), in the time showing GIS power distribution network geography information figure, Adoption Network topology coloring, the situation of corresponding device and circuit is carried out painted to it, replace loaded down with trivial details data message by easy graphical information.
10. the method based on the graphical demonstration of GIS power distribution network according to claim 4, is characterized in that, in step (5), the concrete step display of display module is:
(5-1) transformer station represents symbol color acquired information data volume by giving transformer station, transformer represents symbol color acquired information data volume by giving transformer, link tester is crossed and is given whole piece line alignment color acquisition data message amount, realizes loaded down with trivial details data message by the variation of easy color;
(5-2) by clicking the expression symbol of transformer, eject dialog box, show the detailed real-time information of this equipment, comprise its model, capacity, no-load voltage ratio, the operation time limit, producer's information, annual service data, and available excel form derives its information;
(5-3) by clicking the expression symbol of transformer station, eject dialog box, show the details of this transformer station, comprise its main transformer number of units and capacity composition, total volume, circuit outlet number and model composition, reactive compensation capacity and its allocation ratio, high-pressure side peak load, load factor, circuit outgoing line interval situation, N-1 status information, and available excel form derives its information;
(5-4) by clicking public line, eject dialog box, show the details of this circuit, show service area classification, all kinds of Connection Mode circuit return number, looped network rate, network connection standardized rate, stand between contact rate, circuit average mark hop count, can turn power supply rate, and available excel form derives its information;
(5-5) by clicking the geographical plate of this district or this county, eject dialog box, with delivery and the supply load of this each transformer station of district of histogram graph representation, and available excel form derives its information.
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