CN103390118A - Online model interaction method based on power grid operation service bus and public information model synchronizer - Google Patents
Online model interaction method based on power grid operation service bus and public information model synchronizer Download PDFInfo
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Abstract
An online model interaction method based on a power grid operation service bus and a public information model synchronizer is disclosed. The method comprises the steps that a client side applies for a latest network model to a power grid dispatching EMS system on line through a power grid Operation Service Bus (OSB), the CIM model returned by the EMS system is transmitted to a rapid CIM model adapter, and finally the latest model data is led into other dispatching subsystems through links such as CIM model analysis, model data classification, model data association, model incremental screening, model attribute comparison and the like.
Description
Technical field
The present invention relates to a kind of based on OSB bus (being the operation of power networks service bus) and fast CIM model synchronizer (being the common information model synchronizer) at the line model exchange method, belong to the Power System and its Automation major field under the electrical engineering field, particularly the electric power system dispatching subsystem.
Background technology
Operation of power networks service bus (being called for short OSB), comprise the end OSB of main website bus, plant stand end OSB bus and wide area OSB bus, wherein main website end bus comprises high speed real-time bus, two kinds of mode bus of generic service bus, for each subsystem of operation of power networks integrative intelligent system (module) provides the unified functions such as service registry, management, route, information conversion and cross-safety zone transmission.
Web Services Description Language (WSDL) Web Service Description Language(is called for short: WSDL): the document that a kind of XML of use writes, certain Web service can be described, and it can stipulate the position of serving, and the operation (or method) that provides of this service.
Simple Object Access Protocol Simple Object Access Protocol(is called for short: SOAP): a kind of standardized communication criterion, can allow between different application and see through the HTTP communications protocol, intercourse each other data with the XML form, make itself and programming language, platform and hardware independent.
The CIM model is common information model, the basis of IEC61970 agreement general frame.It is a kind of information model of describing all object logics structures of electric system and relation, for each application provides unified electric system logical description with platform independence.It has defined the standard object model of power industry, and a kind of expression power system objects is provided, and comprises the standard of its attribute and mutual relationship.
DOM(Document Object Model, DOM Document Object Model), DOM can access and revise in a kind of mode that is independent of platform and language the content and structure of a document.In other words, this means and processes the common method of a HTML or XML document.Have a bit very important, the design of DOM be take the stipulations of OMG (OMG) for basis, so can be used for any programming language.DOM is actually the document model of describing with object-oriented way.DOM has defined expression and has revised required object, the behavior of these objects and the relation between attribute and these objects of document.DOM can be thought a tree represenation of data and structure on the page, but the page may not be the mode specific implementation with this tree certainly.
Along with progressively enlarging of electric system scale and improving constantly that dispatching automation of electric power systems requires, electric system needs a plurality of subsystems jointly to move, and can meet the demand to electric system daily management scheduling.Safeguard and overlap electric power system models more, not only increased the cost of operation, also can introduce the normal factors of moving of impact such as model errors.Best solution is exactly a maintenance source, and other system is by the mutual means synchronistic model of model.The present invention is directed to south electric network EMS system propose a kind of based on the OSB bus and fast CIM model synchronizer at the line model exchange method, by at alignment EMS system application "current" model and by quick CIM model synchronizer, the model in other system being upgraded, for the electric power system dispatching subsystem model unanimously provides safeguard.
The present invention is under National 863 planning item fund assistance, provide based on the OSB bus and fast CIM model synchronizer at the line model exchange method, for the electric power system dispatching subsystem provides model data with the EMS systems compliant.
Summary of the invention
For solving the above-mentioned problems in the prior art, the invention discloses a kind of based on the OSB bus and fast CIM model synchronizer at the line model exchange method.Be client by operation of power networks service bus (OSB) at alignment dispatching of power netwoks EMS system online application latest network model, and the CIM model that the EMS system is returned is transferred in quick CIM model adapter, process is to the CIM model analyzing, model data is sorted out, model data store, the screening of model increment, model attributes is than reciprocity link, the updated model data importing in other scheduler subsystems, provides the model data with the EMS systems compliant the most at last.
The application based on the OSB bus and fast CIM model synchronizer at the line model exchange method by the following technical solutions:
A kind of based on operation of power networks service bus and common information model synchronizer at the line model exchange method, it is characterized in that, describedly at the line model exchange method, comprise the following steps:
(1) client is used the WEB service description language (sdl), organizes common information model, is CIM model request constraint, and described CIM model request constraint comprises type, the content of CIM model;
(2) client is by soap protocol, to the operation of power networks service bus, be that the OSB bus is sent the request of obtaining current common information model synchronizer;
(3) client awaits OSB bus acknowledge, the OSB bus is issued client with the CIM model data of service end tissue, and client directly sends the CIM model data to CIM model synchronizer;
(4) the model synchronizer is resolved the model data that OSB transmits;
(5) the model synchronizer is sorted out according to the model classification model data, and according to classification such as container and/or equipment, stores;
(6) the model synchronizer, by the CIM model data is analyzed, generates the incidence relation between different CIM models, and incidence relation is added in model data;
(7) database interface that provides by the power scheduling subsystem with the model data in database in the internal memory in CIM model synchronizer;
(8) model synchronizer model data that step (6) is obtained and the model data in the original power dispatching system database in step (7) screening of comparing, obtain the model record set that has more in model data that step (6) obtains
And the model record set M that has more in model data in the original power dispatching system database in step (7)
del
(9) in model synchronizer model data that step (6) is obtained and the model data in the original power dispatching system database in step (7), the attribute in same model is compared, and obtains the record of attribute change, is designated as M
chg
(10) model data in the electric power system dispatching subsystem is upgraded, with described record set
Be inserted in the scheduler subsystem database, with the described record set M that has more
delDelete from the subsystem data, and the record of the attribute change of mark in step (9) is updated in the electric power system dispatching subsystem.The present invention has following useful technique effect:
The method that the present invention proposes can be carried out accurate identification to the Topology Error in transformer station and power and current measurement mistake by optimisation strategy, and error information is revised, for the state estimation program provides reliable input metric data, be convenient to dispatching center the SCADA metric data is safeguarded, be conducive to improve the accuracy of state estimation result.
Description of drawings
Fig. 1 is functional module provided by the invention and data flowchart.
Fig. 2 be provided by the invention based on the OSB bus and fast CIM model synchronizer at line model exchange method implementing procedure figure.
Embodiment
Below in conjunction with Figure of description, technical scheme of the present invention is described in further detail.
As shown in Figure 1, for the present invention should invent contain functional module and data stream, to EMS system request data, the OSB bus is transferred to the common information model synchronizer with the CIM model by the OSB bus, synchronizer is synchronized in scheduler subsystem after model is processed.
As shown in Figure 2, be the concrete implementing procedure of this invention.According to Figure of description 2 and in conjunction with specific embodiments to further statement in detail of technical scheme do of the present invention:
(1) client, by WEB service description language (sdl) (WSDL) tissue CIM model requesting method, adds model request constraint condition, comprises types of models selection SCADA model or PAS database, whether comprises metric data.
(2), by soap protocol, to operation of power networks service bus (being the OSB bus), send the request of obtaining current common information model synchronizer (being the model of CIM).
(3) client awaits OSB bus acknowledge, the OSB bus is issued client with the model data of service end tissue, and client directly sends the CIM model data to CIM model synchronizer;
(4) CIM model synchronizer is resolved model data, and by to the DOM form, storing.
(5) CIM model synchronizer is sorted out the data of the 4th step parsing, can be classified as following a few class: company (Company), sub-control area, plant stand, electric pressure, physical node, end points, synchronous motor, energy user, alternating current circuit, DC line, transformer, winding, tap, switch, back brake, reactive power compensator, bus.
(6) data after the classification that obtains in step (5), the incidence relation between model of creation are analysed in the synchronizer reduction of fractions to a common denominator.The container of equipment such as bus, synchronous motor, energy user is electric pressure, and the container of electric pressure is transformer station, and the container of transformer station is transformer station, and these incidence relations are added in model data.
(7) utilize database interface that the power scheduling subsystem provides to load model data in the numerical control storehouse, and with in the internal memory of model data store in CIM model synchronizer
(8) CIM model synchronizer (obtains model data, for convenient statement to new model data in step 6
ClaimFor the new model data) with original system in model data (model data that obtains in step 7, for convenience of the statement
ClaimFor old model data) compare.The model record set that has more in mark new model data respectively
With the model record set M that has more in old model data
del
(9) CIM model synchronizer is by comparing new model data and old model data, than the determinant attribute in how identical equipment records (as transformer, circuit R, the X parameter, the rated capacity of generator, reactive power compensator), if there is the vicissitudinous record of attribute to carry out mark, the model set of records ends M that obtains changing
chg
(10) model in the electric power system dispatching subsystem is upgraded.The record set that new model data (see 8 step definition) are had more
Be inserted in the subsystem database record set M that old model data (see 8 step definition) is had more
delDelete from the subsystem data.And the record set attribute of mark in 9 steps is updated in the power scheduling subsystem.
The present patent application people has done detailed explanation and description in conjunction with Figure of description to embodiments of the invention; but those skilled in the art should understand that; above embodiment is only the preferred embodiments of the invention; detailed explanation is just in order to help the reader to understand better spirit of the present invention; and be not limiting the scope of the invention; on the contrary, any any improvement of doing based on invention spirit of the present invention or modify and all should drop on protection scope of the present invention within.
Claims (1)
- One kind based on operation of power networks service bus and common information model synchronizer at the line model exchange method, it is characterized in that, describedly at the line model exchange method, comprise the following steps:(1) client is used the WEB service description language (sdl), organizes common information model, is CIM model request constraint, and described CIM model request constraint comprises type, the content of CIM model;(2) client is by soap protocol, to the operation of power networks service bus, be that the OSB bus is sent the request of obtaining current common information model synchronizer;(3) client awaits OSB bus acknowledge, the OSB bus is issued client with the CIM model data of service end tissue, and client directly sends the CIM model data to CIM model synchronizer;(4) the model synchronizer is resolved the model data that OSB transmits;(5) the model synchronizer is sorted out according to the model classification model data, and according to classification such as container and/or equipment, stores;(6) the model synchronizer, by the CIM model data is analyzed, generates the incidence relation between different CIM models, and incidence relation is added in model data;(7) database interface that provides by the power scheduling subsystem with the model data in database in the internal memory in CIM model synchronizer;(8) model synchronizer model data that step (6) is obtained and the model data in the original power dispatching system database in step (7) screening of comparing, obtain the model record set that has more in model data that step (6) obtainsAnd the model record set M that has more in model data in the original power dispatching system database in step (7) del
(9) in model synchronizer model data that step (6) is obtained and the model data in the original power dispatching system database in step (7), the attribute in same model is compared, and obtains the record of attribute change, is designated as M chg(10) model data in the electric power system dispatching subsystem is upgraded, with described record setBe inserted in the scheduler subsystem database, with the described record set M that has more delDelete from the subsystem data, and the record of the attribute change of mark in step (9) is updated in the electric power system dispatching subsystem.
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| US7111018B1 (en) * | 2000-10-30 | 2006-09-19 | Margaret E Goodrich | System and method for integrating electrical power grid and related data from various proprietary raw data formats into a single maintainable electrically connected database |
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Application publication date: 20131113 |