CN105678032A - Dynamic modeling method for intelligent substation state monitoring intelligent electronic equipment - Google Patents
Dynamic modeling method for intelligent substation state monitoring intelligent electronic equipment Download PDFInfo
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Abstract
The invention relates to a dynamic modeling method for intelligent substation state monitoring intelligent electronic equipment.The dynamic modeling method includes the steps that a data model is set up; catalogue reading and definition reading service of an information model is mapped to appointed service of a server making a message specification; server catalogue information, logic equipment catalogue information, logic node catalogue information, data type definition and structure information are obtained; a data request is provided for an intelligent electronic equipment template database, and complete definition information of an object is obtained; a data model equipment management module is generated; corresponding service is started according to the current state, and an overall information model is dynamically constructed according to the model information.An intelligent substation IED system structure and functions are decomposed, an intelligent substation IED dynamic modeling technology is provided by using object-oriented modeling and an abstract service interface, an IED functional module and a self-description mechanism are designed, a substation layer IED dynamic model is constructed, the plug and play function of the IED equipment is achieved, and good interoperability is achieved.
Description
Technical field
The present invention relates to intelligent substation Condition Monitoring Technology field, relate in particular to a kind of intelligent substation status monitoring intelligenceThe dynamic modelling method of electronic equipment.
Background technology
The collection of the intelligent electronic device (IED, IntelligentElectronicDevice) of transformer station's status monitoring becomesThe measurement of the primary equipment such as depressor and breaker and status information, mainly pay close attention to primary equipment and parts thereof entity information andOnline monitoring data. Condition Monitoring Unit is used for accessing conventional on-Line Monitor Device, guarantees to carry out with station end monitoring meansThe communication of IEC61850 standardized data. As the IEC61850 of intelligent substation seamless communication consensus standard have distribution,The system of layering, object-oriented modeling completely, Abstract Common Service Interface and specific communication service mapping, transformer station's configurationThe application of language, specific message specification technique, the features such as that face the future, open architecture, its target is maximumThe limit ground existing standard of application and widely accepted Principle of Communication realize good between the IED of different manufacturersInteroperability. Information exchange mechanism in intelligent substation depends on information model, and whether information model design and selection closeReason certainly in fixing system IED can high efficient and reliable ground compatible and carry out interoperability, information model and modeling method areThe core of IEC61850 stipulations.
Substation configuration description language (SCL, SubstationConfigurationLanguage) is for comprehensive monitoringDescription and the configuration of unit, monitoring IED functional mode and traffic model. The main purpose of SCL realizes between IEDInteroperability, lays particular emphasis on description and the configuration of IED and monitoring information thereof. But existing modeling method adopts fixing conventionallyModeling method, because SCL model is in sides such as define method, DIF, relational structure, object identity and configuration modesThere is larger difference in face, causes the status monitoring main website cannot direct multiplexing substation equipment information model, needs manual transformation,Increase attendant's administration overhead and system development costs, hinder longitudinal perforation and and the power transformation of converting equipment status informationLaterally sharing of the integrated monitoring system of standing. On the other hand, in Intelligent Substation System, the change of system requirements may be madeThe interpolation of forming apparatus or remove, hot swap type IED is that transformer station implements the interoperability condition of providing convenience, but also causesThe variation of IED information model, has increased the modeling difficulty of IED facility information model in Intelligent Substation System.
Summary of the invention
The invention provides a kind of dynamic modelling method of intelligent substation status monitoring intelligent electronic device, to solve existing skillThe problem that interchangeability in art between different manufacturers and interoperability are poor.
The invention provides a kind of dynamic modelling method of intelligent substation status monitoring intelligent electronic device, described intelligent power transformationThe dynamic modelling method of status monitoring intelligent electronic device of standing comprises the following steps:
In the real-time data base of communication standard NameSpace, set up data model, complete the Automated Design of model;
By Abstract Common Service Interface, information model is read to catalogue and reads definition service to be mapped to the message specification service of manufacturingIn the specified services of device, service requester is to reading catalogue and reading definition service and send call request wait-for-response;
By reading the directory information of server directory service acquisition server, in the time of service execution success, return to positive responseAnd draw logical equipment object reference list or file name;
Obtain logical device directory information by reading logical device directory service;
Obtain logical node directory information by reading logical node directory service;
Define with read data directory service and obtain dtd--data type definition and structural information by read data;
Model generation interface is received directory information, logical device directory information, the logic joint of the described server of object definitionAfter some directory information and dtd--data type definition and structural information, propose request of data and obtain object to IED template databaseComplete definition information;
Model generation interface module is according to described complete definition Information generation data model device management module, described data mouldType device management module starts respective service according to current state, and the model information dynamic construction obtaining according to described serviceGlobal Information model structure.
Preferably, the dynamic modelling method of described intelligent substation status monitoring intelligent electronic device also comprises:
Utilize IED self-described characteristic, set up Mathematical Modeling and the functional unit of IED equipment, realize equipment control;
Manufacture and design message specification server client, the management of accepting device administration module also takes by manufacturing message specificationBusiness device and devices communicating, obtain the model definition of IED;
By the space conversion of data model, realize data model and name to communication standard from manufacturing message specification server domainThe mutual conversion in space.
The technical scheme that embodiments of the invention provide can comprise following beneficial effect:
The present invention decomposes intelligent substation IED system structure and function, utilizes object-oriented modeling, abstract serviceInterface, proposes intelligent substation IED dynamic modeling technology, and design IED functional module and self-description machine, set up dataSubstation level IED dynamic model, to the unified data model of process object, is set up in storehouse, realizes the plug and play of IED equipment,Realize good interoperability, met the communication function requirement of intelligent substation, can adapt to domestic intelligent substation systemThe demand for development of all communication networks and variation, have engineering using value.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described, can notRestriction the present invention.
Brief description of the drawings
Fig. 1 is the dynamic modelling method of the intelligent substation status monitoring intelligent electronic device that provides in the embodiment of the present inventionMethod flow diagram;
Fig. 2 is the dynamic modelling method of the intelligent substation status monitoring intelligent electronic device that provides in the embodiment of the present inventionAnother kind of method flow diagram.
Detailed description of the invention
Here will at length describe exemplary embodiment, its sample table shows in the accompanying drawings. Description below relates to attachedWhen figure, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogous key element. Exemplary enforcement belowEmbodiment described in example does not represent all embodiments consistent with the present invention. On the contrary, they be only with asThe example of the consistent device in some aspects that describe in detail in appended claims, of the present invention.
Each embodiment in this description all adopts the mode of going forward one by one to describe, identical similar part between each embodimentMutually referring to, what each embodiment stressed is and the difference of other embodiment.
Intelligent substation automated communication system international standard IEC61850 adopts OO technology to set up level knotStructure Mathematical Modeling, it is logical node that equipment is pressed function abstract. Logical node is master data model, comprises certain attributeData object, a physical equipment can be made up of multiple logical device, a logical device can be saved by multiple logics equallyPoint forms. OO modeling technique, sets up hierarchical information model, the information model of its IED mainly comprise server,Logical device, logical node, data four parts, the data model that is wherein positioned at bottom can comprise some data attributes.This four partial informations model is all defined and is called class, and class is made up of attribute and service.
Server category represents the exterior visual behavior of equipment, and logical device is according to the collection of certain function composition by logical nodeClose, logical node can be regarded as the elementary cell that realizes IED function, and data class is to provide the underlying object of service, numberBe arranged according to representative the useful information that intelligent substation automated server equipment is applied. In actual applications, intelligent power transformationIn the system of standing, the change of system requirements may cause the interpolation of equipment or remove, and hot swap type IED is that transformer station implements mutuallyOperate the condition of providing convenience, but also cause the variation of IED information model, increased IED in Intelligent Substation SystemThe modeling difficulty of facility information model, the interchangeability realizing between the each smart machine of transformer station (IED) is intelligent substation neckThe emphasis that territory is paid close attention to, IED modeling technique is to ensure in intelligent substation that different manufacturers IED meets interchangeability, interoperability is wantedThe core technology of asking.
In system running, if IED change will cause information model to change, need to generate newIED information model. In IED information model, server, logical device, logical node and data model all provideRead catalogue read definition service, these services can provide the definition information of each model, then abstract logical by calling theseTelecommunications services interface obtains the model information of IED, and lastest imformation model.
The present invention decomposes status monitoring intelligent substation IED system structure and function, utilize object-oriented modeling,Abstract service interface and manufacture message specification, propose intelligent substation IED dynamic modeling technology, design IED functional moduleAnd self-description machine, building database, to the unified data model of process object, is set up substation level IED dynamic model,Realize the plug and play of IED equipment, realize good interoperability.
Please refer to Fig. 1, the moving of the intelligent substation status monitoring intelligent electronic device that provides in the embodiment of the present invention is providedThe method flow diagram of state modeling method.
As shown in Figure 1, the invention provides a kind of dynamic modelling method of intelligent substation status monitoring intelligent electronic device,The dynamic modelling method of described intelligent substation status monitoring intelligent electronic device comprises the following steps:
S101: set up data model in the real-time data base of communication standard NameSpace, complete the Automated Design of model.
At communication standard NameSpace, in conjunction with the type of the title of object instance in IED template database, object instance,The necessary informations such as the residing position of object instance are set up its data model, by IED facility information in real-time data baseUnification deposits real-time data base in, according to requirements such as database storage format, topological relation, information control priority, unifiedBuild storehouse, and real-time update, and then complete the Automated Design of model.
S102: by Abstract Common Service Interface, information model is read to catalogue and read definition service to be mapped to manufacture message specificationIn the specified services of server, service requester is to reading catalogue and reading definition service and send call request wait-for-response.
S103: by reading the directory information of server directory service acquisition server, in the time of service execution success, return willingProvisioning response also draws logical equipment object reference list or file name.
By Abstract Common Service Interface, information model is read to catalogue and reads definition service to be mapped to the message specification service of manufacturingIn the specified services of device, thus corresponding link of topology of realizing information. Service requester is to reading catalogue and reading definition service and send outGo out call request wait-for-response; By reading the directory information of server directory service acquisition server, addressing server willWhole logical device title tables or file name table become service requester visual, addressable, when service execution successTime, return to positive response and draw logical equipment object reference list or file name.
S104: obtain logical device directory information by reading logical device directory service.
S105: obtain logical node directory information by reading logical node directory service.
Obtain logical device directory information by reading logical device directory service, logical device directory service is read in use can be made entirelyThe object reference table of portion's logical node becomes visual, addressable to service requester; By reading logical node directory serviceObtain logical node directory information, logical node directory service is read in use can make the object that forms any class of this logical node drawVisual, addressable to service requester with table, positive response can be returned to and the object reference table of asked class can be obtained.
S106: define with read data directory service and obtain dtd--data type definition and structural information by read data.
By utilizing read data definition service, service requester can be determined by total data attribute visible and addressable dataJustice, obtains positive response and obtains the complete level of data object simultaneously, comprises data attribute name, attribute type and function approximatelyBundle. Use read data directory service can make the total data attribute-name list of data visual, addressable to service requester,Can obtain positive response the list of return data attribute-name.
S107: model generation interface receive the described server of object definition directory information, logical device directory information,After logical node directory information and dtd--data type definition and structural information, propose request of data and obtain to IED template databaseGet the complete definition information of object.
S108: model generation interface module is according to described complete definition Information generation data model device management module, described inData model device management module starts respective service according to current state, and the model information obtaining according to described service is movingState structure Global Information model structure.
The present invention decomposes intelligent substation IED system structure and function, utilizes object-oriented modeling, abstract serviceInterface, proposes intelligent substation IED dynamic modeling technology, and design IED functional module and self-description machine, set up dataSubstation level IED dynamic model, to the unified data model of process object, is set up in storehouse, realizes the plug and play of IED equipment,Realize good interoperability, met the communication function requirement of intelligent substation, can adapt to domestic intelligent substation systemThe demand for development of all communication networks and variation, have engineering using value.
Please refer to Fig. 2, the moving of the intelligent substation status monitoring intelligent electronic device that provides in the embodiment of the present invention is providedThe another kind of method flow diagram of state modeling method.
As shown in Figure 2, the dynamic modelling method of described intelligent substation status monitoring intelligent electronic device is shown in Fig. 1Method flow also comprises on basis:
S201: utilize IED self-described characteristic, set up Mathematical Modeling and the functional unit of IED equipment, realize equipment control.
According to the technical protocol rule of IEC61850, set up Mathematical Modeling and the functional unit of IED equipment, describe correspondingFunction and interface according to the description of Mathematical Modeling and functional unit, can be set up IED and control net in condition monitoring systemNetwork, realizes system management. IED access on-the-spot and power on after, manufacture message specification server as one, pass through main websiteThe functional module of end is managed these equipment, establishes a communications link, and notifies corresponding communication module and equipment to communicate,Etc. to be connected and corresponding service is provided.
S202: manufacture and design message specification server client, the management of accepting device administration module also passes through to manufacture messageStandard Service device and devices communicating, obtain the model definition of IED.
Adopt transformer station's configuration language (SCL) to manufacture and design message specification server client, accepting device administration moduleManagement and by manufacturing message specification server and devices communicating, repeatedly interactive information, obtains the model definition of IED.
S203: by the space conversion of data model, realize data model from manufacturing message specification server domain to communication markThe mutual conversion of accurate NameSpace.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention. Any of the present inventionThe amendment done within spirit and principle, be equal to replacement and improvement etc., within protection scope of the present invention all should be included in.
The above is only the specific embodiment of the present invention, makes those skilled in the art can understand or realize the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiment, as defined herein oneAs principle can be in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, thisBrightly will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of noveltyThe widest consistent scope.
Claims (2)
1. a dynamic modelling method for intelligent substation status monitoring intelligent electronic device, is characterized in that, described intelligenceThe dynamic modelling method of transformer station's status monitoring intelligent electronic device comprises the following steps:
In the real-time data base of communication standard NameSpace, set up data model, complete the Automated Design of model;
By Abstract Common Service Interface, information model is read to catalogue and reads definition service to be mapped to manufacture message specification serverSpecified services in, service requester to read catalogue and read definition service send call request wait-for-response;
By reading the directory information of server directory service acquisition server, in the time of service execution success, return to positive responseAnd draw logical equipment object reference list or file name;
Obtain logical device directory information by reading logical device directory service;
Obtain logical node directory information by reading logical node directory service;
Define with read data directory service and obtain dtd--data type definition and structural information by read data;
Model generation interface is received directory information, logical device directory information, the logic joint of the described server of object definitionAfter some directory information and dtd--data type definition and structural information, propose request of data and obtain object to IED template databaseComplete definition information;
Model generation interface module is according to described complete definition Information generation data model device management module, described data mouldType device management module starts respective service according to current state, and the model information dynamic construction obtaining according to described serviceGlobal Information model structure.
2. the dynamic modelling method of intelligent substation status monitoring intelligent electronic device according to claim 1, its spyLevy and be, the dynamic modelling method of described intelligent substation status monitoring intelligent electronic device also comprises:
Utilize IED self-described characteristic, set up Mathematical Modeling and the functional unit of IED equipment, realize equipment control;
Manufacture and design message specification server client, the management of accepting device administration module also takes by manufacturing message specificationBusiness device and devices communicating, obtain the model definition of IED;
By the space conversion of data model, realize data model and name to communication standard from manufacturing message specification server domainThe mutual conversion in space.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107390662A (en) * | 2017-08-29 | 2017-11-24 | 清华大学 | Industrial monitoring method and device based on monitored object model |
| CN107528888A (en) * | 2017-07-27 | 2017-12-29 | 国网江西省电力公司检修分公司 | A kind of intelligent electronic equipment of transformer substation and its data sending, receiving method and system |
| CN110175741A (en) * | 2019-04-17 | 2019-08-27 | 云南电网有限责任公司 | A kind of information value chain construction method and storage medium based on power industry |
| CN110798337A (en) * | 2019-09-29 | 2020-02-14 | 许继电气股份有限公司 | On-site module device suitable for third-generation intelligent substation and configuration method thereof |
| CN112464033A (en) * | 2020-10-19 | 2021-03-09 | 北京四方继保工程技术有限公司 | Object-oriented power data classification and communication method |
| CN117474613A (en) * | 2023-11-27 | 2024-01-30 | 国网江苏省电力有限公司扬州供电分公司 | Substation work ticket intelligent billing data interaction management system based on artificial intelligence |
| CN117474613B (en) * | 2023-11-27 | 2024-06-04 | 国网江苏省电力有限公司扬州供电分公司 | Substation work ticket intelligent billing data interaction management system based on artificial intelligence |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528888A (en) * | 2017-07-27 | 2017-12-29 | 国网江西省电力公司检修分公司 | A kind of intelligent electronic equipment of transformer substation and its data sending, receiving method and system |
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| CN110175741A (en) * | 2019-04-17 | 2019-08-27 | 云南电网有限责任公司 | A kind of information value chain construction method and storage medium based on power industry |
| CN110798337A (en) * | 2019-09-29 | 2020-02-14 | 许继电气股份有限公司 | On-site module device suitable for third-generation intelligent substation and configuration method thereof |
| CN112464033A (en) * | 2020-10-19 | 2021-03-09 | 北京四方继保工程技术有限公司 | Object-oriented power data classification and communication method |
| CN117474613A (en) * | 2023-11-27 | 2024-01-30 | 国网江苏省电力有限公司扬州供电分公司 | Substation work ticket intelligent billing data interaction management system based on artificial intelligence |
| CN117474613B (en) * | 2023-11-27 | 2024-06-04 | 国网江苏省电力有限公司扬州供电分公司 | Substation work ticket intelligent billing data interaction management system based on artificial intelligence |
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Application publication date: 20160615 |