CN104200331A - Power grid model joining method and system of power system - Google Patents
Power grid model joining method and system of power system Download PDFInfo
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- CN104200331A CN104200331A CN201410460842.5A CN201410460842A CN104200331A CN 104200331 A CN104200331 A CN 104200331A CN 201410460842 A CN201410460842 A CN 201410460842A CN 104200331 A CN104200331 A CN 104200331A
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Abstract
The invention discloses a power grid model joining method and system of a power system. The power grid model joining method includes establishing an integrated dispatching data platform; mapping data of power grid models in the power systems to the integrated dispatching data platform; performing united coding to the data mapped by the integrated dispatching data platform; acquiring model data of the power grid models through the integrated dispatching data platform, so that data interaction is performed to the power grid models and the integrated dispatching data platform. According to the platform power grid model joining method, real-time interaction of the power grid model data of the power systems is achieved, mass interfaces and great working load, required by upgrading and redevelopment, are omitted, and data interaction efficiency is remarkably improved after joining.
Description
Technical field
The present invention relates to power system automation technology field, particularly a kind of grid model splicing method and system of electric system.
Background technology
Along with developing rapidly of national economy, the scale of electrical network becomes increasing.The feature that distributed by electrical network wide area affects, and the production management of electric system, according to the features such as electric pressure of electrical network distribution, electrical network, is divided into electrical network a plurality of subnets of hierarchical block, and forms accordingly the management system of a set of " United Dispatching, layer-management ".In this system, first by electric characteristics such as electric pressures, electrical network is divided into multi-stage scheduling center, as state's tune, network regulation, province adjust, adjust, county's tune etc.; And in same rank, according to electrical network, distribute again lower than same other electrical network of level is divided into a plurality of dispatching centers, each dispatching center all sets up and safeguards electric network model structural parameters and the service data of jurisdiction electrical network, and is responsible for, according to the same scheduling of upper level dispatching center, own jurisdiction subnet is carried out to scheduling controlling and operational management.In order to guarantee safe operation of electric network, the electric network model of the superior and the subordinate, multizone need to be spliced to merging, from global scope, electrical network is carried out to data interaction and integrated dispatch.
In prior art, by standard interface being set at data-carrier store corresponding to each electric network model, for accessing the data that are stored in this data-carrier store, and divide border according to the corresponding compass of competency of each electric network model, according to compass of competency and border, equipment is carried out to Unified coding, realize the splicing of each electric network model.This scheme is by a plurality of grid model splicing, and when realizing data and accessing mutually, proprietary, tightly coupled feature possesses skills.
But, Application of Interface in above-mentioned connection scheme is between dedicated service system, to realize data interaction to develop, because interface is not reusable, therefore, point-to-pointly between application program often develop a large amount of application interface methods, and when application program updating, each interface need to be developed again, consume a large amount of workloads, thereby make the data interaction Efficiency Decreasing of this connection scheme.
Summary of the invention
The grid model splicing method and system of a kind of electric system provided by the invention, in order to solve in prior art, in grid model splicing scheme, need each electric network model to develop special-purpose data-interface, consume extensive work amount, make the technical matters of the data interaction Efficiency Decreasing of connection scheme.
A kind of grid model splicing method that the invention provides electric system, comprising:
Set up integrated dispatch data platform;
By the data-mapping of the electric network model of electric system described in each in described integrated dispatch data platform;
The data that are mapped in described integrated dispatch data platform are carried out to Unified coding;
Utilize described integrated dispatch data platform to obtain the model data of electric network model described in each, so that each electric network model and described integrated dispatch data platform carry out data interaction.
Said method, preferred, the described integrated dispatch data platform of setting up, comprising:
J2EE standard multi-tier systematic structure based on Browser/Server Mode is set up integrated dispatch data platform.
Said method, preferred, described integrated dispatch data platform comprises distributed Network Monitoring System DPMS application server, data warehouse and component interface standard CIS interface;
Wherein, described by the data-mapping of the electric network model of electric system described in each in described integrated dispatch data platform, comprising:
Utilize described CIS interface, access the horizontal data of the electric network model of electric system described in each and longitudinal data to described data warehouse;
On described DPMS application server, set up all kinds of managed objects and the object relationship model matching with electric network model described in each, form computer virtualized information space, integrated and the data of described power model are carried out to data sharing to carrying out function in described integrated dispatch data platform by described DPMS application server, wherein, described function is integrated comprises data integration, portal integration, application integration, Process integration and business integration.
Said method, preferred, the described model data of utilizing described integrated dispatch data platform to obtain electric network model described in each, so that each electric network model and described integrated dispatch data platform carry out data interaction, comprising:
On described integrated dispatch data platform, set up framework public information COGNOS-CIM model, described COGNOS-CIM model comprises Physical layer, logical layer and application layer;
By described Physical layer, access storage data in described integrated dispatch data platform as the Data Source of described COGNOS-CIM model, described storage data comprise base data table, viewdata and the storing process data of each electric network model;
On described logical layer, according to described COGNOS-CIM model, the structure of described storage data is organized, obtained the discernible inquiry main body of user, and set up data dimension, level and logical communication link;
According to default common information model standard, set up universal element data model, in described application layer, described inquiry main body is recombinated, generating power system information model;
Operational order according to user carries out data interaction to the data of the power system information model on described integrated dispatch data platform.
Said method, preferred, described integrated dispatch data platform comprises a plurality of functional subsystems;
Wherein, described the data that are mapped in described integrated dispatch data platform are carried out to Unified coding, comprising:
Adopt default Unified coding system to integrate electric system and application data thereof described in each;
By described COGNOS-CIM model, merge the electric network model data of each electric system of the superior and the subordinate;
Coding in the electric network model data of determining electric system described in each each functional subsystem on described integrated dispatch data platform, so that electric network model data of electric system have unique identification under it described in each in dispatching system.
The present invention also provides a kind of grid model splicing system of electric system, comprising:
Platform is set up unit, for setting up integrated dispatch data platform;
Data-mapping unit, for by the data-mapping of the electric network model of electric system described in each to described integrated dispatch data platform;
Data encoding unit, carries out Unified coding for the data that described integrated dispatch data platform is mapped to;
Data capture unit, for utilizing described integrated dispatch data platform to obtain the model data of electric network model described in each, so that each electric network model and described integrated dispatch data platform carry out data interaction.
Said system, preferred, described platform is set up unit and is comprised:
System platform is set up subelement, for the J2EE standard multi-tier systematic structure based on Browser/Server Mode, sets up integrated dispatch data platform.
Said system, preferred, described integrated dispatch data platform comprises distributed Network Monitoring System DPMS application server, data warehouse and component interface standard CIS interface;
Wherein, described data-mapping unit comprises:
Warehouse access subunit, for utilizing described CIS interface, accesses the horizontal data of the electric network model of electric system described in each and longitudinal data to described data warehouse;
Object is set up subelement, for set up all kinds of managed objects and the object relationship model matching with electric network model described in each on described DPMS application server, form computer virtualized information space, integrated and the data of power model are carried out to data sharing to carrying out function in described integrated dispatch data platform by described DPMS application server, wherein, described function is integrated comprises data integration, portal integration, application integration, Process integration and business integration.
Said system, preferred, described data capture unit comprises:
Model is set up subelement, and for set up framework public information COGNOS-CIM model on described integrated dispatch data platform, described COGNOS-CIM model comprises Physical layer, logical layer and application layer;
Data access subelement, for accessing the storage data of described integrated dispatch data platform as the Data Source of described COGNOS-CIM model by described Physical layer, described storage data comprise base data table, viewdata and the storing process data of each electric network model;
Organization of Data subelement, for the structure of described storage data being organized according to described COGNOS-CIM model on described logical layer, obtains the discernible inquiry main body of user, and sets up data dimension, level and logical communication link;
Metadata is set up subelement, for the common information model standard according to default, sets up universal element data model, in described application layer, described inquiry main body is recombinated, and generating power system information model;
Data interaction subelement, carries out data interaction for the operational order according to user to the data of the power system information model on described integrated dispatch data platform.
Said system, preferred, described integrated dispatch data platform comprises a plurality of functional subsystems;
Wherein, described data encoding unit comprises:
Data Integration subelement, for adopting default Unified coding system to integrate electric system and application data thereof described in each;
Data fusion subelement, for merging the electric network model data of each electric system of the superior and the subordinate by described COGNOS-CIM model;
Coding is determined subelement, the coding of each functional subsystem for the electric network model data of determining electric system described in each on described integrated dispatch data platform, so that electric network model data of electric system have unique identification under it described in each in dispatching system.
From such scheme, the grid model splicing method and system of a kind of electric system provided by the invention, after setting up integrated dispatch data platform, by the electric network model data-mapping of each electric system to this integrated dispatch platform, by the electric network model data connecting method of hardware and software platform, realize fast the information sharing of each electric system, again by Unified coding effectively by each Data Source, uniform information model and information entry, to the electric network model data analysis of each electric system to be spliced, realize with the online data of integrated dispatch data platform mutual, complete the splicing of each electric network model.The present invention realizes the electric network model data real-time, interactive of each electric system by the grid model splicing mode of hardware and software platform, without a large amount of interface of exploitation, the extensive work amount of bringing while more again developing without upgrading, obviously improves spliced data interaction efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the process flow diagram of the grid model splicing embodiment of the method one of a kind of electric system provided by the invention;
Fig. 2 is the part process flow diagram of the grid model splicing embodiment of the method two of a kind of electric system provided by the invention;
Fig. 3 is the part process flow diagram of the grid model splicing embodiment of the method three of a kind of electric system provided by the invention;
Fig. 4～Fig. 7 is respectively the application example figure of the embodiment of the present invention;
Fig. 8 is the part process flow diagram of the grid model splicing embodiment of the method four of a kind of electric system provided by the invention;
Fig. 9 is the structural representation of the grid model splicing system embodiment five of a kind of electric system provided by the invention;
Figure 10 is the part-structure schematic diagram of the grid model splicing system embodiment six of a kind of electric system provided by the invention;
Figure 11 is the part-structure schematic diagram of the grid model splicing system embodiment seven of a kind of electric system provided by the invention;
Figure 12 is the part-structure schematic diagram of the grid model splicing system embodiment eight of a kind of electric system provided by the invention;
Figure 13 is the part-structure schematic diagram of the grid model splicing system embodiment nine of a kind of electric system provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
With reference to figure 1, be the process flow diagram of the grid model splicing embodiment of the method one of a kind of electric system provided by the invention, wherein, described method can comprise the following steps:
Step 101: set up integrated dispatch data platform.
Step 102: by the data-mapping of the electric network model of electric system described in each in described integrated dispatch data platform.
Step 103: the data that are mapped in described integrated dispatch data platform are carried out to Unified coding.
Step 104: utilize described integrated dispatch data platform to obtain the model data of electric network model described in each, so that each electric network model and described integrated dispatch data platform carry out data interaction.
From such scheme, the grid model splicing embodiment of the method one of a kind of electric system provided by the invention, after setting up integrated dispatch data platform, by the electric network model data-mapping of each electric system to this integrated dispatch platform, by the electric network model data connecting method of hardware and software platform, realize fast the information sharing of each electric system, again by Unified coding effectively by each Data Source, uniform information model and information entry, to the electric network model data analysis of each electric system to be spliced, realize with the online data of integrated dispatch data platform mutual, complete the splicing of each electric network model.The present invention realizes the electric network model data real-time, interactive of each electric system by the grid model splicing mode of hardware and software platform, without a large amount of interface of exploitation, the extensive work amount of bringing while more again developing without upgrading, obviously improves spliced data interaction efficiency.
It should be noted that, in above-described embodiment, described step 101, when setting up described integrated dispatch data platform, can realize in the following manner:
J2EE standard multi-tier systematic structure based on Browser/Server Mode is set up integrated dispatch data platform.
Wherein, described Browser/Server Mode is B/S (Browser/Server, browser/server) pattern, in the present embodiment, J2EE standard multi-tier systematic structure based on described B/S pattern is set up described integrated dispatch data platform, wherein, the client that the electric network model that described B/S pattern has been unified each electric system splices, it is described integrated dispatch data platform, it can make to focus on the server of integrated dispatch data platform carrying out the needed systemic-function of grid model splicing core, simplified the exploitation of splicing system, safeguard and use.User only need to install a browser (Browser), as Internet Explorer browser, can realize with integrated dispatch data platform on database carry out data interaction.And J2EE core is one group of technical manual and guide, its various components comprising, service architecture and the hierarchy of skill, all there are common standard and specification, allow and on described integrated dispatch data platform, have good compatibility between the different electric power of the various J2EE of following frameworks, solving the information products that the electric network model rear end of electric system in the past use each other cannot compatibility or enterprises or the outside awkward situation that is difficult to intercommunication.
Wherein, in described integrated dispatch data platform, can include distributed Network Monitoring System DPMS application server, data warehouse and component interface standard CIS interface, described DPMS application server is dispatching production management system server, accordingly, with reference to figure 2, for the realization flow figure of step 102 described in the grid model splicing embodiment of the method two of a kind of electric system provided by the invention, wherein, described step 102 can comprise the following steps:
Step 121: utilize described CIS interface, access the horizontal data of the electric network model of electric system described in each and longitudinal data to described data warehouse;
Step 122: set up all kinds of managed objects and the object relationship model matching with electric network model described in each on described DPMS application server, form computer virtualized information space, integrated and the data of power model are carried out to data sharing to carrying out function in described integrated dispatch data platform by described DPMS application server, wherein, described function is integrated comprises data integration, portal integration, application integration, Process integration and business integration.
Wherein, described DPMS application server can also clean data, filter, calculate and add up, and realizes the abundant comprehensive utilization of data between business, can improve greatly SDA system data analysis level.
It should be noted that, when described DPMS application server carries out data sharing to the data of power model, can first carry out information networking, then carry out data sharing.
Wherein, described DPMS application server is mainly used in realizing systemic-function and integrated dispatch data platform is integrated, first systemic-function is carried out to analysis and arrangement, in conjunction with user's request, further optimizes and sophisticated systems function; Then comprehensive calling data platform unified standardization interface, as CIS interface, effectively guarantees consistance and the correctness of data, makes the data flow in management information great Qu clear, easy to maintenance.All data all derive from the standardized data interface that integrated dispatch data platform provides; In integrated dispatch data platform, be provided with data exchange module, can realize the data access process across security partitioning, accessible dissimilar heterogeneous data source, comprise FTP (File Transfer Protocol, file transfer protocol (FTP)), relation data source (ORACLE, SQL SERVER etc.), data-interface are realized the number of chambers certificate everywhere such as access dispatching data, fortune number formulary certificate, automation data, relay protection data, communication data, standardization storage integrated data warehouse system, and standard interface is externally provided.
Isolation mutually between former each submodule of DPMS system, cannot realize effectively sharing and integrated application of data.Integrated data platform, by each system data access, is effectively identified each Data Source by Unified coding, guarantees uniqueness and the correctness of data; By CIM model, realize the Ordering of data; It is integrated that the data service module of simultaneity factor and integrated dispatch data platform is realized service, by WEB SERVICE mode distributing data, serves, and reduces the maintenance of current data interface, unified management data, services.
In addition, in the present embodiment, described data warehouse can adopt the active and standby operational mode of two net two-shippers based on high availability cluster multiprocessing, comprises data staging server layer, data warehouse presence server layer and data exhibiting layer three part.Wherein, data staging server layer is a memory block, comprises a series of processes such as purification, conversion, combination, file, finally loads dimension table and fact table ready for outputing to Data Mart; The data that data warehouse presence server layer extracts with dimension form storage ETL (Extract-Transform-Load, data pick-up conversion loads); And data exhibiting aspect is to final user, be the direct application to data, application mode is flexible and changeable, comprises extemporaneous inquiry, flexible report, information fusion, data mining etc., has realized the various requirement of user to decision support system (DSS).
With reference to figure 3, be the realization flow figure of step 104 described in the grid model splicing embodiment of the method three of a kind of electric system provided by the invention, wherein, described step 104 can comprise the following steps:
Step 141: set up framework public information COGNOS-CIM model on described integrated dispatch data platform, described COGNOS-CIM model comprises Physical layer, logical layer and application layer.
As shown in Figure 4, be the configuration diagram of COGNOS-CIM model in the present embodiment.Wherein, COGNOS-CIM model user oriented object provides application layer, and sets up multiple subject data at logical layer; In Physical layer, access a plurality of systems as the basic data of the systems such as EMS, TMR, DPMS, form table, view and storing process accordingly.
Particularly, the structure of each functional hierarchy of the model of COGNOS-CIM described in the present embodiment is as follows with effect:
(1) Physical layer
GRS builds on integrated dispatch data platform basis, and all basic datas and report parameter data are all stored in the database server of integrated dispatch data platform.In integrated dispatch data platform, store the integrated data information that comes from each subregion, each system, each application, and carried out standardization and storage through Unified coding standard.More data content can directly obtain from integrated data platform, mainly contains following several mode:
1. show.Directly from relevant table, obtain data message.
2. view.According to user's request, data are carried out to simple process is made into view and as data source.
3. storing process.According to user's request, data are carried out comparatively complicated calculating or processing and existed as data source.Data Source comprises various types of relational databases, also may derive from the data mode of other COGNOS identification, and such as PowerCube etc., the data source of use while being mainly used to carry out multidimensional analysis, as file types such as CSV, EXCEL.Obtain after above data structure, can verify the correctness of above data relationship; Can analyze the relation between data, establishment RelationShip realizes between data and connecting; Also can to multilist, process and form new physics table view on this basis.
(2) logical layer
Arrange " inquiry theme ", to Physical View, according to user, need to process, data structure organization is become to the discernible form of user.User can set up dissimilar theme as required, as CIM parameter theme, EMS Data subject, TMR Data subject etc.; Also can set up business-subject, as generating theme, regimen theme, coal feelings theme etc.Wherein, the mode of setting up theme mainly contains three kinds:
Physics table;
Inquiry theme;
Storing process.
Wherein, set up in the process of inquiry theme, corresponding list structure can be become to the description that user can understand, can data be formatd corresponding corresponding theme simultaneously.
(3) application layer
In logical layer, set up a lot of inquiry themes, but cleverer faling apart organized in these themes, also can all not open to all users and use.Therefore require to organize according to certain standard, and for the open dissimilar metadata schema of different users, impel user conveniently to find corresponding theme simultaneously.In business model, follow CIM model specification, set up universal element data model, the inquiry theme of setting up according to each system, each application data is reorganized, become the model solution for power industry data characteristics; Each professional user also can be for this expert data demand simultaneously, dissimilar user sets up different metadata and expands as universal model, simultaneously different according to user's authority, the metadata schema of seeing also can be different, thereby the security of data is provided largely.
In business model process of establishing, locate rapidly for the convenience of the user related data, need to provide standard, general model display mode for user.In this process, CIM model has played key effect.CIM model is as the Common Information Model of electric power enterprise, a kind of standard method that represents electric system resource by object class and attribute and the relation between them is provided on model, and in data integration process, CIM has facilitated to realize and has carried out integrated to different application and system.As a kind of general power system information model, in the process of carrying out metadata schema foundation, strictly observe on the basis of CIM model related specifications and expand, realize the comprehensive of electric power enterprise data and represent, simultaneously also assisting users is realized quick location and the use of data easily.
Wherein, described step 141 can be by following mode in specific implementation process:
Build COGNOS middleware, the intelligent report forms middleware using described COGNOS middleware as described integrated dispatch data platform; For described COGNOS-CIM model provides the data display mode of objectification, set up report form template information table, and the record in described report form template information table is corresponding with the template file in physical significance, and is associated by the store path of file; Adopt the making of OO report form template definition mechanism to report form template, utilize described intelligent report forms middleware with multiple exhibition method making form and by its derivation.
Wherein, report generation function be system middleware and J2EE background function integrated after, according to Report Server Management strategy and form rights management strategy, automatically according to report form template, definition generates the form of special style (XLS, PDF, HTML, CSV etc.), and can be according to the direct noiseless printing of user's request.
And form transfer function by with integrated data platform data exchange module carry out integrated, can be by specific form, with specific form, in the specific time, send in a particular manner specific user.
As shown in Figure 5, be the data platform access data source of integrated dispatch described in the present embodiment functional frame composition that data are processed.
During concrete enforcement, on the basis of integrated dispatch data platform, obtain multi-source data, form platform on application layer and presentation layer itself also moves eurypalynous data source, comprising but be not limited to that the COGNOS such as the files such as various relevant databases, Excel, CSV, PowerCube can identify the file data sources such as source etc., XML/TXT/Excel, the data obtained by general ODBC (Open Database Connectivity, Open Database Connection) interface etc.Wherein, the data that county adjusts, Di Tiaohuo power plant reports, each sections provide reporting parameters list and standard can see longitudinal data source as; Senior application builds on integrated dispatch data platform basis, and the standard interface that system provides by integrated data platform accesses the sharing data of each system or the data by J2EE bus access other system can be referred to as horizontal data source.All data are carried out unified standard storage, and are sent to integrated dispatch data platform as shared data.Data source management realizes effectively management from the data of homology not, to obtain from integrated dispatch data platform the sharing data that are positioned at each security partitioning on the one hand, can and obtain private data from each system acquisition data source on the other hand, for report making provides the data help function of maximum possible.Data source management provides the metadata description of each application and system simultaneously, and the dirigibility that greatly improves data configuration guarantees the relationship map between physical data and application.
As shown in Figure 6, be that in the present embodiment, laterally the schematic diagram of integrated dispatch data platform is accessed in data source and longitudinal data source.
Step 142: access storage data in described integrated dispatch data platform as the Data Source of described COGNOS-CIM model by described Physical layer, described storage data comprise base data table, viewdata and the storing process data of each electric network model.
Step 143: according to described COGNOS-CIM model, the structure of described storage data is organized on described logical layer, obtained the discernible inquiry main body of user, and set up data dimension, level and logical communication link.
Step 144: according to default common information model standard, set up universal element data model, in described application layer, described inquiry main body is recombinated, generating power system information model.
Wherein, described metadata schema can help user in the details situation of data source, can search to suitable data according to the demand of oneself not knowing, and makes on this basis form.Due to the uncertainty of each department for demand data, for the data that can provide in each subregion of electric system, understand also not exclusively simultaneously, therefore in the process of establishing of model, for guaranteeing integrality and the versatility of model, need to carry out permanently effective communication with user, in conjunction with CIM model, to the data analysis in electric system and modeling, and model is continued to Perfect the work.Model layer has shielded the complicacy of data source, has solved user and has understood incomplete problem for the data of numerous and complicated.User can be directly acquainted with all types of data that the logical place of current tune exists, and extracts as required the relevant form of making.
Step 145: the operational order according to user carries out data interaction to the data of the power system information model on described integrated dispatch data platform.
In concrete application, described integrated dispatch data platform can include a plurality of functional subsystems, include but not limited to EMS (Energy Management System, energy management system), WAMS (Wide Area Measurement System, wide area monitoring system), TMR (Tele Meter Reading System, electrical network critical point electric energy metered system), WDS (Wireless Distribution System, be wireless distribution system), the system such as DTS (Defect Trace System, defect tracking system), safety access audit and data platform.Wherein, EMS subsystem is mainly used in the demand according to user, follow the standard criterion of distribution system and secondary development a set of have strongly professional, automaticity is high, the electric energy management system that is applicable to low-voltage distribution system of easy use, high-performance, the feature such as highly reliable.WAMS subsystem is sent to wide area monitoring main station system for image data in real time by Electric Power Dispatching Data Network, thereby provide, the normal operation of electrical network and the real time monitoring and analyzing in accident disturbance situation are calculated, and obtain in time and grasp the dynamic process of operation of power networks.TMR is called for short electric energy metered system, refers to and carries out electric energy data collection automatically, remote transmission and storage, pre-service and statistical study, for operation examination, charge calculation and the economic compensation of electricity market, calculates and provides support and the infosystem of serving.Electric energy metered system is mainly comprised of Electric Energy Tariff Point Metering Device and Electric Energy Acquisition System two parts.Electric Energy Tariff Point Metering Device comprises meritorious and reactive energy-meter, multi-rate electric energy meter or multifunctional electric energy meter, metering use voltage summation current transformer and metering secondary; Electric Energy Acquisition System comprises plant stand side terminal unit, communications network and dispatching terminal main station system and the whole application software that realize its function.WDS, for the data at wired networking are seen through to Wi-Fi when relaying framework transmits, can be sent to networking data another one Wi-Fi environment whereby, or the wired networking of another one.DTS is mainly used in following the tracks of grid management systems and mainly completes the management such as record, analysis and state renewal to defect report.
With reference to figure 7, the structural representation being connected with each department electric system for integrated dispatch data platform in the present embodiment.
Wherein, the electric system in the first area and equipment comprise connection route, TMR subsystem, Fault management subsystem, EMS subsystem, and each electric system and the equipment in the first area access integrated data platform by spacer assembly; Bizonal electric system and equipment comprise connection route, Fa Ce center, marketing center, and the second area isolates by fire wall with electric system and the equipment in the 3rd area; The ground that the 3rd area is mainly electric system calls family, family, the user of power plant call in county, and it is also through in fire wall access integrated dispatch data platform.Integrated dispatch data platform can obtain in each area the data in each application and system, mainly comprises the data in EMS, WAMS, TMR, Fault Management System, PSMS, DMIS and other system, has guaranteed uniqueness and the stability of data; Longitudinally upper storage province adjust, adjust, county's Tiao Huo power plant correlation parameter and data, for report making provides active data support.
As shown in Figure 7, during concrete enforcement, integrated dispatch data platform in the present embodiment can include but not limited to that DPMS (distributed Network Monitoring System) application server, data warehouse, standard C IS (Component Interface Specification, component interface standard) interface, data report server, report server and middleware server.
Wherein, it is integrated with the function of integrated data platform that DPMS application server is mainly responsible for realization, realizes data management function and the network loss of the sections such as scheduling, plan, robotization and safeguard.
And described integrated dispatch data platform is also provided with data and reports server, by the WEB interface of B/S structure, realize data to report management, realize longitudinally access ground, county or power plant's related data.And described data report between server and each department electric system and have firewall device, as shown in Figure 7, data report server and the 3rd area to have firewall device, can effectively guarantee the safe operation of system, do not affect the operation that province's tune waits other servers.
Report server, the user data of being responsible on the one hand each department electric system reports, data query request, be responsible on the other hand with report form template definition, form browse, the function such as System right management; By realizing J2EE bus with COGNOS-SDK (COGNOS-Software Development Kit, COGNOS SDK (Software Development Kit)) and COGNOS bus is integrated, realize single sign-on, Report Server Management etc.; Be combined with integrated data platform, realize the functions such as the flexible transmission of form or printing.
Middleware server, need special-purpose report server to realize the making of obtaining of data source, data model and form, meet user OLAP (On-Line Analytical Processing, on-line analytical processing) related needs of type form, can provide objectification, the metadata schema based on COGNOS-CIM Fusion Model, by simply pulling making form, and can represent form by modes such as curve, stereographic maps.Electric power enterprise all departments as marketing, finance, information technology center can by as described in report server make and check relevant form, adjust various places, county Tiao Ji power plant also can be checked supplemental characteristic or be checked relevant form by native system, greatly meets the demand data of all types of user.
In the present embodiment, J2EE bus and COGNOS bus can be carried out integratedly, the function that realizes reporting system and form middleware is integrated; By IE (Internet Explorer), browser is directly checked in reporting system interface, generation, managerial report, and realizes in the unified centralized management of System Privileges by single sign-on.
Wherein, in the present embodiment, the COGNOS model of institute's combination be take service and is carried out framework as guiding, a kind ofly can and on single reliable framework, provide the solution of complete business intelligence function by single product, comprise that final user inquires about form, multidimensional analysis, data mining, the Software tools such as packing data warehouse, wherein, multidimensional analysis is according to the data characteristics of power industry model, by considering that a plurality of dimensions are as system, area, electric pressures etc. are entered multiaspect analysis to data, from a plurality of angle display datas, for carrying out power scheduling and decision support, user provides strong data basis.
In the present embodiment, COGNOS model has logically divided sandwich construction, comprising: represent layer, Web layer, application layer, data Layer.Various electric system can be called the middleware of COGNOS, as called SDK (the Software Development Kit of COGNOS by Gateway (gateway), SDK (Software Development Kit)), the various interfaces such as JAVA .NET, COM are provided, can call the service in COGNOS and content, other application well and in enterprise realize closely integrated, adapt to the needs of secondary development.
CIM (Common Information Model, common information model) be the technological core of CCAPI (control center's application programming interfaces), defined the basic structure of electric power system model, for shared information between application provides a public language, greatly reduced the number of data format converter required between application, and the new application consistent with CIM of development data structure is also without carrying out format conversion future.In technical field of power systems, CIM embodies the physical logic between electric network information, and the no matter inheritance of model class or the setting of the attribute in model class, is all applied as center with EMS, and its information semantic and EMS apply direct coupling.But, although there is protection package in CIM, obviously, for DTS application arranges, can not intactly embody data relationship and the functional cohesion of protective device inside; And the modeling method of CIM is also not necessarily applicable to other application.Particularly; the modeling process of CIM is object oriented analysis and construction process; focus on setting up the relations such as association between information, polymerization; for other application examples as protection information management system; conventional information expresses possibility does not need so complicated modeling process and the cooperation logic of complicated logic between for example protecting, neither be associated, paradigmatic relation can represent.
Therefore, for different application systems, should using different application message models as with reference to model, the consistent semanteme infologic relevant with application that provides information to call, with CIS, build API (the Application Programming Interface on component model basis simultaneously, application programming interface), thus interoperability and plug and play between supported application system and application component.
Preferably, in the present embodiment, the hierarchical structure based on IEC 61970 standards and application New model, merge the electric network model data of each electric system of the superior and the subordinate by COGNOS-CIM model.
With reference to figure 8, be the realization flow figure of step 103 described in the grid model splicing embodiment of the method four of a kind of electric system provided by the invention, wherein, described step 103 can comprise the following steps:
Step 131: adopt default Unified coding system to integrate electric system and application data thereof described in each.
Wherein, isolation mutually between each submodule of former (existing) DPMS system, cannot realize effectively sharing and integrated application of data.The data platform of integrated dispatch described in the present embodiment, by the access of each department electric power system data, is effectively identified each Data Source by Unified coding, guarantees uniqueness and the correctness of data.
Step 132: the electric network model data that merge each electric system of the superior and the subordinate by described COGNOS-CIM model.
Wherein, the present embodiment, by COGNOS-CIM model, is realized the Ordering to electric network model data; Finally, by related data is cleaned, filters, calculated and adds up, realize the abundant comprehensive utilization of the data between business, can greatly improve SDA system data analysis level.It is integrated that simultaneity factor and integrated data platform data service module are realized service, by the service of WEB SERVICE (network service) mode distributing data, reduces the maintenance of current data interface, unified management data, services.Wherein, CIM has accelerated integrated process, has completed the opening truly of EMS, does not need to rely on initial developer and reaches information sharing, solves the problem of information island.Can, by program (or assembly) interface of definition standard, make application program or system can access public data and exchange message, and how represent in inside with information to have nothing to do.CIM stipulates the semanteme of these interfaces, and component interface standard (CIS) is stipulated the grammer of these interfaces.
It should be noted that, COGNOS-CIM model need to merge each sections of each department electric system, the data of each system, and related data is carried out to effective integrated data platform and by Unified coding system, guarantee the coding of standard electric system resource in the systems such as EMS, WAMS, TMR, WDS, DTS, TSA and data platform, make the data in each system reach maximum sharing in internal system and outside, within the scope of whole dispatching system, can reach unique identification.
Step 133: the coding in the electric network model data of determining electric system described in each each functional subsystem on described integrated dispatch data platform, so that electric network model data of electric system have unique identification under it described in each in dispatching system.
Wherein, in described step 133, hierarchical structure that can be based on IEC 61970 standards, adopts the coding in electric network model data that GB or self-documenting code determine electric system described in each each functional subsystem on described integrated dispatch data platform.The coding hierarchical structure of IEC 61970 standards have standard, well arranged, there is the clear and definite features such as physical significance, simultaneously coding should take into account readability, computing machine can identify, can process and system between the needs that exchange, and comprise certain redundancy.
For example, based on IEC 61970 standards, the part layer aggregated(particle) structure of exchange resource is as follows:
Coding rule in the present embodiment is formulated for above-mentioned data resource hierarchical structure, realizes the uniqueness storage of device identification according to specific rule.
Wherein, IEC (International Electrotechnical Commission, International Electrotechnical Commission) 61970 title is energy management system application programming interfaces (Energy Management System Application Program Interface, be called for short EMS-API), for unified application programming interfaces (API) and information application semantics is provided, to promote various application programs integrated of the stand-alone development of different user, support interoperability and plug and play.It is condition that IEC61970 be take application programming interfaces (API), the CIS that builds API divides into groups with typical application, directly related with EMS application, the relation that can reflect information model, such as association, polymerization, synthesized polymer, shared polymerization etc. is prerequisite, in information modeling, adopted object oriented analysis and constructing technology, directly do not contacted with OO class service.IEC61970 standard is in fact to the object oriented analysis process of EMS applied environment and the construction process of relationship model, comparatively complicated, has therefore adopted powerful modeling language UML, focuses on the structure of model.Traditional application programming interfaces are often subject to the restriction of operating system, network environment (if API supports far call), while therefore specifically implementing, IEC61970 can adopt CIS component interface standard, API is based upon on the basis of the component platforms such as CORBA, DCOM, make API not rely on specific operating system, network environment, obtain the support of heterogeneous platform, to set up centered by the relation between information object, modeling process shows as the object-oriented analysis of EMS applied environment and structure, and information model has represented the physical logic between information.
IEC61970CIM is the application message model for EMS application, and therefore the reference model as EMS application data environment has its advantage, and the data environment of control center should be usingd multiple application message model as with reference to model.
During concrete enforcement, can adopt component model, the method that for example EJB, CORBA, COM/DCOM provide, has stipulated the various interface of exchange message between assembly or visit data, for example event, method and character, realize the adaptability of CIS interface to different operating system and network environment etc.The effect of CIS is that regulation assembly is as a plug and play assembly, some interfaces that formation work will be used, some typical application programs and assembly are regarded as to a part of CCAPI, but its intention is not to define these assemblies itself, freely the difference of handle component interface is pooled in each assembly bag and without prejudice to the standard of CCAPI.Preferably, described standard C IS interface but be not limited to comprise GDA (Universal Database access) interface, HSDA (high-speed data access) and TSDA (time series data access) interface, to support the application and development based on integrated data platform.Because integrated dispatch data platform can provide the data-interface of standard, reporting system can obtain the data that derive from other each systems in integrated data platform fast and effectively, and the data after part statistical computation, be conducive to the unified management of data and integrated, be conducive to improve the formation efficiency of form.
With reference to figure 9, be the structural representation of the grid model splicing system embodiment five of a kind of electric system provided by the invention, wherein, described system can comprise following structure:
Platform is set up unit 901, for setting up integrated dispatch data platform.
Data-mapping unit 902, for by the data-mapping of the electric network model of electric system described in each to described integrated dispatch data platform.
Data encoding unit 903, carries out Unified coding for the data that described integrated dispatch data platform is mapped to.
Data capture unit 904, for utilizing described integrated dispatch data platform to obtain the model data of electric network model described in each, so that each electric network model and described integrated dispatch data platform carry out data interaction.
From such scheme, the grid model splicing system embodiment five of a kind of electric system provided by the invention, after setting up integrated dispatch data platform, by the electric network model data-mapping of each electric system to this integrated dispatch platform, by the electric network model data connecting method of hardware and software platform, realize fast the information sharing of each electric system, again by Unified coding effectively by each Data Source, uniform information model and information entry, to the electric network model data analysis of each electric system to be spliced, realize with the online data of integrated dispatch data platform mutual, complete the splicing of each electric network model.The present invention realizes the electric network model data real-time, interactive of each electric system by the grid model splicing mode of hardware and software platform, without a large amount of interface of exploitation, the extensive work amount of bringing while more again developing without upgrading, obviously improves spliced data interaction efficiency.
It should be noted that, in above-described embodiment, with reference to Figure 10, for platform described in the grid model splicing system embodiment six of a kind of electric system provided by the invention is set up the structural representation of unit 901, wherein, described platform is set up unit 901 and can be comprised following structure:
System platform is set up subelement 911, for the J2EE standard multi-tier systematic structure based on Browser/Server Mode, sets up integrated dispatch data platform.
Wherein, the specific implementation that described system platform is set up subelement 901 can, with reference to content described in correlation method embodiment in above, no longer describe in detail herein.
Wherein, in described integrated dispatch data platform, can include distributed Network Monitoring System DPMS application server, data warehouse and component interface standard CIS interface, described DPMS application server is dispatching production management system server, accordingly, with reference to Figure 11, for the structural representation of data-mapping unit 902 described in the grid model splicing system embodiment seven of a kind of electric system provided by the invention, wherein, described data-mapping unit 902 can comprise following structure:
Warehouse access subunit 921, for utilizing described CIS interface, accesses the horizontal data of the electric network model of electric system described in each and longitudinal data to described data warehouse.
Object is set up subelement 922, for set up all kinds of managed objects and the object relationship model matching with electric network model described in each on described DPMS application server, form computer virtualized information space, integrated and the data of power model are carried out to data sharing to carrying out function in described integrated dispatch data platform by described DPMS application server, wherein, described function is integrated comprises data integration, portal integration, application integration, Process integration and business integration.
Wherein, the specific implementation of described data-mapping unit 902 can, with reference to content described in correlation method embodiment in above, no longer describe in detail herein.
With reference to Figure 12, be the structural representation of data capture unit 904 described in the grid model splicing system embodiment eight of a kind of electric system provided by the invention, wherein, described data capture unit 904 can comprise following structure:
Model is set up subelement 941, and for set up framework public information COGNOS-CIM model on described integrated dispatch data platform, described COGNOS-CIM model comprises Physical layer, logical layer and application layer.
Data access subelement 942, for accessing the storage data of described integrated dispatch data platform as the Data Source of described COGNOS-CIM model by described Physical layer, described storage data comprise base data table, viewdata and the storing process data of each electric network model.
Organization of Data subelement 943, for the structure of described storage data being organized according to described COGNOS-CIM model on described logical layer, obtains the discernible inquiry main body of user, and sets up data dimension, level and logical communication link.
Metadata is set up subelement 944, for the common information model standard according to default, sets up universal element data model, in described application layer, described inquiry main body is recombinated, and generating power system information model.
Data interaction subelement 945, carries out data interaction for the operational order according to user to the data of the power system information model on described integrated dispatch data platform.
Wherein, the specific implementation of described data capture unit 904 can, with reference to content described in correlation method embodiment in above, no longer describe in detail herein.
In concrete application, described integrated dispatch data platform can include a plurality of functional subsystems, include but not limited to EMS (Energy Management System, energy management system), WAMS (Wide Area Measurement System, wide area monitoring system), TMR (Tele Meter Reading System, electrical network critical point electric energy metered system), WDS (Wireless Distribution System, be wireless distribution system), the system such as DTS (Defect Trace System, defect tracking system), safety access audit and data platform.With reference to Figure 13, be the structural representation of data encoding unit 903 described in the grid model splicing system embodiment nine of a kind of electric system provided by the invention, wherein, described data encoding unit 903 can comprise following structure:
Data Integration subelement 931, for adopting default Unified coding system to integrate electric system and application data thereof described in each.
Data fusion subelement 932, for merging the electric network model data of each electric system of the superior and the subordinate by described COGNOS-CIM model.
Coding is determined subelement 933, the coding of each functional subsystem for the electric network model data of determining electric system described in each on described integrated dispatch data platform, so that electric network model data of electric system have unique identification under it described in each in dispatching system.
Wherein, the specific implementation of described data encoding unit 903 can, with reference to content described in correlation method embodiment in above, no longer describe in detail herein.
Above the grid model splicing method and system of a kind of electric system provided by the present invention are described in detail, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand core concept of the present invention; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. a grid model splicing method for electric system, is characterized in that, comprising:
Set up integrated dispatch data platform;
By the data-mapping of the electric network model of electric system described in each in described integrated dispatch data platform;
The data that are mapped in described integrated dispatch data platform are carried out to Unified coding;
Utilize described integrated dispatch data platform to obtain the model data of electric network model described in each, so that each electric network model and described integrated dispatch data platform carry out data interaction.
2. method according to claim 1, is characterized in that, the described integrated dispatch data platform of setting up, comprising:
J2EE standard multi-tier systematic structure based on Browser/Server Mode is set up integrated dispatch data platform.
3. method according to claim 1 and 2, is characterized in that, described integrated dispatch data platform comprises distributed Network Monitoring System DPMS application server, data warehouse and component interface standard CIS interface;
Wherein, described by the data-mapping of the electric network model of electric system described in each in described integrated dispatch data platform, comprising:
Utilize described CIS interface, access the horizontal data of the electric network model of electric system described in each and longitudinal data to described data warehouse;
On described DPMS application server, set up all kinds of managed objects and the object relationship model matching with electric network model described in each, form computer virtualized information space, integrated and the data of described power model are carried out to data sharing to carrying out function in described integrated dispatch data platform by described DPMS application server, wherein, described function is integrated comprises data integration, portal integration, application integration, Process integration and business integration.
4. method according to claim 1 and 2, is characterized in that, the described model data of utilizing described integrated dispatch data platform to obtain electric network model described in each, so that each electric network model and described integrated dispatch data platform carry out data interaction, comprising:
On described integrated dispatch data platform, set up framework public information COGNOS-CIM model, described COGNOS-CIM model comprises Physical layer, logical layer and application layer;
By described Physical layer, access storage data in described integrated dispatch data platform as the Data Source of described COGNOS-CIM model, described storage data comprise base data table, viewdata and the storing process data of each electric network model;
On described logical layer, according to described COGNOS-CIM model, the structure of described storage data is organized, obtained the discernible inquiry main body of user, and set up data dimension, level and logical communication link;
According to default common information model standard, set up universal element data model, in described application layer, described inquiry main body is recombinated, generating power system information model;
Operational order according to user carries out data interaction to the data of the power system information model on described integrated dispatch data platform.
5. method according to claim 4, is characterized in that, described integrated dispatch data platform comprises a plurality of functional subsystems;
Wherein, described the data that are mapped in described integrated dispatch data platform are carried out to Unified coding, comprising:
Adopt default Unified coding system to integrate electric system and application data thereof described in each;
By described COGNOS-CIM model, merge the electric network model data of each electric system of the superior and the subordinate;
Coding in the electric network model data of determining electric system described in each each functional subsystem on described integrated dispatch data platform, so that electric network model data of electric system have unique identification under it described in each in dispatching system.
6. a grid model splicing system for electric system, is characterized in that, comprising:
Platform is set up unit, for setting up integrated dispatch data platform;
Data-mapping unit, for by the data-mapping of the electric network model of electric system described in each to described integrated dispatch data platform;
Data encoding unit, carries out Unified coding for the data that described integrated dispatch data platform is mapped to;
Data capture unit, for utilizing described integrated dispatch data platform to obtain the model data of electric network model described in each, so that each electric network model and described integrated dispatch data platform carry out data interaction.
7. system according to claim 6, is characterized in that, described platform is set up unit and comprised:
System platform is set up subelement, for the J2EE standard multi-tier systematic structure based on Browser/Server Mode, sets up integrated dispatch data platform.
8. according to the system described in claim 6 or 7, it is characterized in that, described integrated dispatch data platform comprises distributed Network Monitoring System DPMS application server, data warehouse and component interface standard CIS interface;
Wherein, described data-mapping unit comprises:
Warehouse access subunit, for utilizing described CIS interface, accesses the horizontal data of the electric network model of electric system described in each and longitudinal data to described data warehouse;
Object is set up subelement, for set up all kinds of managed objects and the object relationship model matching with electric network model described in each on described DPMS application server, form computer virtualized information space, integrated and the data of power model are carried out to data sharing to carrying out function in described integrated dispatch data platform by described DPMS application server, wherein, described function is integrated comprises data integration, portal integration, application integration, Process integration and business integration.
9. according to the system described in claim 6 or 7, it is characterized in that, described data capture unit comprises:
Model is set up subelement, and for set up framework public information COGNOS-CIM model on described integrated dispatch data platform, described COGNOS-CIM model comprises Physical layer, logical layer and application layer;
Data access subelement, for accessing the storage data of described integrated dispatch data platform as the Data Source of described COGNOS-CIM model by described Physical layer, described storage data comprise base data table, viewdata and the storing process data of each electric network model;
Organization of Data subelement, for the structure of described storage data being organized according to described COGNOS-CIM model on described logical layer, obtains the discernible inquiry main body of user, and sets up data dimension, level and logical communication link;
Metadata is set up subelement, for the common information model standard according to default, sets up universal element data model, in described application layer, described inquiry main body is recombinated, and generating power system information model;
Data interaction subelement, carries out data interaction for the operational order according to user to the data of the power system information model on described integrated dispatch data platform.
10. system according to claim 9, is characterized in that, described integrated dispatch data platform comprises a plurality of functional subsystems;
Wherein, described data encoding unit comprises:
Data Integration subelement, for adopting default Unified coding system to integrate electric system and application data thereof described in each;
Data fusion subelement, for merging the electric network model data of each electric system of the superior and the subordinate by described COGNOS-CIM model;
Coding is determined subelement, the coding of each functional subsystem for the electric network model data of determining electric system described in each on described integrated dispatch data platform, so that electric network model data of electric system have unique identification under it described in each in dispatching system.
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