CN101944770A - Communication implementation method of virtual station grade IED mode between primary station and substation in fault information system 61850 - Google Patents
Communication implementation method of virtual station grade IED mode between primary station and substation in fault information system 61850 Download PDFInfo
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- CN101944770A CN101944770A CN2010102447100A CN201010244710A CN101944770A CN 101944770 A CN101944770 A CN 101944770A CN 2010102447100 A CN2010102447100 A CN 2010102447100A CN 201010244710 A CN201010244710 A CN 201010244710A CN 101944770 A CN101944770 A CN 101944770A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a communication implementation method of virtual station grade IED mode between a primary station and a substation in a fault information system 61850. The method comprises the following steps: naming an IED (intelligent electronic device) and an LD (logical device) according to functions, models, voltage class and addresses based on IEC61850 Standard; establishing an SCD (station configuration description) model of the substation; shielding the IED in an application layer; establishing the virtual station grade IED of the substation; mapping the LD under the IED to the mirror image LD in the virtual IED of the substation; mapping a virtual IED model to an MMS object; establishing communication link with a client/server mode based on an Ethernet TCP between the primary station and the substation; and analyzing and locating device and data information by using an MMS domain namespace and a naming rule to realize report, request, response and file services which meet IEC61850 Standard, and finally realizing communication function between the primary station and the substation. In the invention, the server of the substation requires no reorganization and modeling, and the communication function between the primary station and the substation of the power grid fault information system can be realized with smaller engineering quantity and a simple mode.
Description
Technical field
The present invention is applied in dispatching automation of electric power systems field, particularly electric grid relay protection and the failure information system, the implementation method of boss's interior communication.
Background technology
Development along with computer and mechanics of communication; various intelligent apparatus such as microcomputer type relay protection, oscillograph occupy considerable status in electrical network is used; require electric substation automation system to develop to standardization, intelligentized direction, the IEC61850 standard provides assurance for this reason.The IEC61850 standard is divided into 3 layers as communication of digitalization transformer substation and network system standard with the transformer substation communication system: substation level, wall, process layer.Network using Abstract Common Service Interface between substation level and wall is mapped to makes message specification (MMS), TCP (TCP/IP) Ethernet or optical networking, and the network using single-point between wall and process layer is to the one-way transmission Ethernet of multiple spot.Electric network fault information system requires the various faults that the real time information of smart machine in the transformer station and electric power system take place are delivered to scheduling stations at different levels by the fault message substation in time, and this just relates to the transfer problem of interconnected and agreement between information substation and scheduling station system.The IEC61850 standard has solved the problem of communication employing uniform protocol between transformer station's inside smart machine, but the realization of interior communication is not had detailed and clear and definite description, only the communication between the station has simply been proposed three kinds of possibility schemes:
A) gateway/proxy person provides direct ability of visiting transformer station's physical equipment, this kind scheme realizes simple, be equivalent to the transparent transmission mode, stand performance and network condition of boss had relatively high expectations, a switch is regarded as in the substation, do not have information processing, filtration and analysis ability, do not meet the application request of failure information system.
B) in gateway/proxy person, logical device is defined as the data set of the required acquisition of information of control centre, this scheme is equivalent to revise each device modeling information in the station, the information of reconfiguring forms new data set, substation engineering workload is quite big, and can not form and running status by the actual information of each device in main website reflects the substation.
C) new logical node and the data class of definition in gateway/proxy person, and provide view to control centre, this scheme needs the substation to set up new logical node, reorganize and describe device and information model in the station, the method realization trouble and engineering workload are bigger, easily whole station model and layout are caused a deviation.
These methods mainly are by the expansion to logical node, create new logical node in gateway/proxy person, modeling again in actual applications, big, the difficult requirement that realizes and do not meet failure information system of quantities.Therefore on the basis of satisfying the failure information system functional requirement, the present invention proposes a kind of based on the IEC61850 standard, be applicable to the communication implementation method of 61850 phantom station level IED patterns between electric network fault information system boss station, for stable between transformer station and scheduling station, in real time, communication service accurately provides a kind of new trial.
Summary of the invention
The present invention proposes a kind of communication implementation method based on phantom station level IED pattern between the fault message 61850 bosses station of IEC61850 standard.This method is expanded the interior communication scheme of mentioning in the IEC61850 standard, purpose is under the prerequisite of modifier model not, according to unified naming standard, data type and form modeling, adopt MMS communication protocol, object and service, follow the IEC61850 standard, with less engineering construction difficulty and workload, guarantee the structure of understanding substation system that can be accurate and complete at the main website end, realize sending scheduling station on electric network fault information real-time, accurate, standardized.
The IEC61850 standard is the up-to-date international standard of electric substation automation system based on the universal network communication platform, various smart machines in the transformer station and transformer station itself have been carried out modeling, adopt unified agreement to carry out information exchange and description in standing, realized interconnecting of station equipment by the communication service interface of standard.
IED (Intelligent Electronic Device) intelligent electronic device has the equipment with external source exchange data information, logic analysis and execution control function, is to the integrated of physical unit such as relaying protection, oscillograph in the transformer station and mapping.
LD (Logical Device) logical device comprises one group of application specific functionality and use information, can compile relevant logical node and data set DATASET for communication, is included among the IED.
MMS refers to make message specification, and the object of IEC61850 and service can be used MMS object and service by the particular communication service mapping.
The MMS field object is the description of LD example, represents the set of a LD object and service, for its subordinate's object provides name space.
SCD (Station Config Description) substation configuration description file comprises contents such as IED information model, communicate configuration and transformer station's description in the station, is the essential information model of data communication.
The detailed process of this communication implementation method is as follows:
1, intelligent electronic device IED, logical device LD name according to naming rules such as function, model, affiliated electric pressure and mailing addresses, 61850 models according to intelligent electronic device, create substation system SCD file, guarantee that the logical device LD name space in all intelligent electronic device models can not repeat in the station;
2, resolve and load substation SCD file, create and mapping substation phantom station level IED and mirror image logical device LD model;
As shown in Figure 1, intelligent electronic device IED in the station in the shielding SCD model, with whole substation as a virtual I ED, LD in standing in the intelligent electronic device IED is mapped to the mirror image logical device LD among the virtual I ED of substation one by one, be the information such as logical node, data object and data attribute that comprised of mirror image logical device LD model with its in the corresponding station logical device LD model content in the intelligent electronic device IED consistent, but the Instance Name difference of logical device.Create intelligent electronic device IED title, logical device LD Instance Name and Object Relation Mapping table, for each intelligent electronic device IED title, logical device LD Instance Name and object and the data message that comprises thereof are set up mapping relations, the name of substation virtual I ED is called sky, the mirror image logical device LD Instance Name that it comprises is combined by intelligent electronic device IED title, the logical device LD Instance Name of correspondence, and is promptly identical with the name space of logical device LD in the intelligent electronic device.
3, according to the IEC61850 standard mirror image logical device LD among the virtual I ED of substation is mapped as the MMS field object, create the MMS (Microsoft Media Server) Protocol collection, substation virtual I ED is as server, unified service access point is provided, main website is as client, between the boss station, set up a client/server and communicate to connect (as accompanying drawing 2), realize services such as report, request, response and file towards connection TCP;
4, adopt MMS territory particular range to conduct interviews to data message, with the object reference (ObjectReference) of MMS field object naming rule decomposition data variable, device and information point realization communication function (as accompanying drawing 3) in next unique location and the visit station;
Decomposite MMS field object title, LN title, functional restraint FC, data object DO and data attribute DA title etc. by ObjectReference, with field object name query device IED and LD name map table, obtain affiliated device IED of field object and corresponding LD object, because data variable is unique in device IED inside, therefore can accurately navigate to the information point of being visited.
Description of drawings
Fig. 1 is the mapping relations of substation standard SCD model to phantom station level IED;
Fig. 2 is boss's communication network architecture of standing;
Fig. 3 is that the ObjectReference of MMS data variable decomposes and mapping graph.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
IED title and LD title are according to naming rule names such as device model, function, affiliated electric pressure and mailing addresses in the IEC61850 transformer station; 61850 models that provide according to device; create substation system SCD model file; guarantee that the LD Instance Name in each mounted cast can not repeat; unique in transformer station; be called CSC_103A_PL_220_80 as the IED name, presentation address is 80, and unit type is the 220kV route protection of CSC_103A.The LD Instance Name is named according to the segmentation function, as the LD example of defencive function PROT by name, and the LD example RCD by name of record wave energy etc.By transformer station's configuration language (SCL) device of practical application in standing is carried out modeling, form substation configuration description file SCD.
Communication module is resolved each intelligent electronic device IED model according to substation SCD file, creates substation virtual I ED as the employed application layer model of communication, mapping relations as shown in Figure 1.The information model of substation virtual I ED, in application layer the substation is considered as a station level IED, and the LD that has of actual intelligent electronic device IED is mapped to mirror image LD in the virtual I ED of substation one by one in the station, and the LD Instance Name among the virtual I ED is identical with LD name space among the corresponding intelligent electronic device IED.The logical device that is called the example LD1 by name in the IED1 intelligent electronic device as name is mapped as the mirror image logical device of example IED1LD1 by name among the virtual I ED of substation, the name space of this mirror image logical device is as the MMS domain name that is adopted in the communication process of back, because the naming rule during modeling guarantees that this domain name can not repeat, so the naming variable under each LD will uniquely in whole substation be determined.Mapping table according to this corresponding relation establishment mirror image LD Instance Name and intelligent electronic device IED title, LD Instance Name and object is used for the inquiry of information.
Use the MMS object by the particular communication service mapping, as shown in Figure 2, mirror image LD in the virtual I ED model of substation is mapped to the MMS field object, LN is mapped to the MMS naming variable, data DATA (comprising DO, DA) and controll block are mapped to the MMS naming variable, data set DATASET is mapped to MMS naming variable table, and file object is mapped to the MMS file object.Substation virtual I ED is as server, unified access services point is provided, main website is as client, adopt MMS to establish a communications link towards the communication protocol collection that connects TCP, the boss station is mapped to the MMS service according to the Abstract Common Service Interface of IEC61850 regulation, use MMS domain name access MMS object, the access function of various controll blocks, data set, data and data attribute is provided, realize report, request, response and file service.
Visit and location to the data variable, by resolving the object reference (ObjectReference) of MMS naming variable, the place field object title of specified data variable, LN Instance Name, functional restraint (FC) and data (DO) title and data attribute (DA) title, its data instance name each several part relation and mapping are as shown in Figure 3.As shown in the figure, the field object name that decomposites is called the new LD example title among the virtual I ED of substation, inquire about device IED and LD title and the object map table of having created with new LD Instance Name, obtain title and the object of corresponding device IED and LD, again under this device IED, according to data (DO) and data attribute (DA) name lookup data message table, determine the data point that ObjectReference identifies, be implemented to the information point positioning function of device IED and LD.
According to the method described above, reorganize and modeling, finish communication function between electric network fault information system boss station with less quantities and simple mode without the antithetical phrase site server.
Claims (3)
1. the communication implementation method of phantom station level IED pattern between failure information system 61850 bosses stand, it is characterized in that, do not change the institutional framework of equipment in the transformer station, not to station equipment modeling again, only the location and the visit of information finished in the mapping of carrying out model and object at the communications applications layer, realize following between failure information system boss station the MMS communication function of IEC61850 standard, said method comprising the steps of:
(1) intelligent electronic device IED, logical device LD are according to function, model, affiliated electric pressure and the name of mailing address naming rule, 61850 models according to intelligent electronic device IED, logical device LD, create substation system the substation configuration description file, be the SCD file, the LD name space that the logical device LD Instance Name (inst) that guarantees to comprise in all intelligent electronic device IED titles and intelligent electronic device IED in the SCD file is combined into can not repeat;
(2) the SCD file of substation system is resolved and loaded to communication module, creates and mapping substation phantom station level intelligent electronic device IED and mirror image logical device LD model, as the employed application layer model of communication;
(3) according to the IEC61850 standard described mirror image logical device LD model is mapped to the MMS field object, create the MMS (Microsoft Media Server) Protocol collection, substation phantom station level intelligent electronic device IED is as server, unified service access point is provided, main website is as client, between the boss station, set up a Client and communicate to connect, realize report, request, response and file service based on Ethernet TCP;
(4) adopt MMS territory particular range to conduct interviews, with the object reference (ObjectReference) of MMS field object naming rule decomposition data variable, device and information point realization communication function in next unique location and the visit station.
2. method according to claim 1, wherein step (2) comprising:
Shield intelligent electronic device IED in the station in the described SCD file, with whole substation as the virtual intelligent electronic device IED of station, substation level, logical device LD in standing in the intelligent electronic device IED is mapped to the mirror image logical device LD in the virtual intelligent electronic device IED of station, the substation level model one by one, be mirror image logical device LD the model logical node, data object and the data attribute that are comprised with its in the corresponding station logical device LD model content in the intelligent electronic device IED consistent, the Instance Name difference of logical device; Create intelligent electronic device IED title, logical device LD Instance Name and Object Relation Mapping table in the station, for the data message that intelligent electronic device IED title, logical device LD Instance Name and object and logical device LD in each station comprise is set up mapping relations, the name of the virtual intelligent electronic device IED of station, substation level is called sky, the mirror image logical device LD Instance Name that it comprises is combined by intelligent electronic device IED title in the station of correspondence and logical device LD Instance Name, and is promptly identical with the name space of logical device LD in the intelligent electronic device in the station.
3. method according to claim 1, wherein step (4) comprising:
Decomposite MMS field object title, logical device LN title, functional restraint FC, data DO and data attribute DA title by described object reference, with intelligent electronic device IED title in the described field object name query station and logical device LD Instance Name mapping table, obtain intelligent electronic device IED and corresponding logical device LD object in the affiliated station of field object, because data variable intelligent electronic device IED inside in the station is unique, therefore can accurately navigate to the information point of being visited.
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| CN102497363A (en) * | 2011-12-07 | 2012-06-13 | 北京四方继保自动化股份有限公司 | Double-engine-driving-based universal processing method and system for international electrotechnical commission (IEC) 103-based master station/substation protocols |
| CN102522819A (en) * | 2011-11-24 | 2012-06-27 | 浙江省电力公司 | Record wave pattern modeling method for fault record device of intelligent transformer substation |
| CN102565590A (en) * | 2012-01-13 | 2012-07-11 | 广东电网公司电力科学研究院 | On-line monitoring method and system of insulating liquid of power equipment |
| CN102821006A (en) * | 2012-08-03 | 2012-12-12 | 国网技术学院 | Method for designing and testing virtual protection based on IEC61850 communication system |
| CN103559308A (en) * | 2013-11-18 | 2014-02-05 | 国家电网公司 | SCD (Substation Configuration Description) file management system and method |
| CN103853732A (en) * | 2012-11-30 | 2014-06-11 | 江苏西电南自智能电力设备有限公司 | MMSLite development base and IED device data access method based on short address |
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| CN102522819A (en) * | 2011-11-24 | 2012-06-27 | 浙江省电力公司 | Record wave pattern modeling method for fault record device of intelligent transformer substation |
| CN102522819B (en) * | 2011-11-24 | 2013-12-18 | 浙江省电力公司 | Record wave pattern modeling method for fault record device of intelligent transformer substation |
| CN102497363A (en) * | 2011-12-07 | 2012-06-13 | 北京四方继保自动化股份有限公司 | Double-engine-driving-based universal processing method and system for international electrotechnical commission (IEC) 103-based master station/substation protocols |
| CN102497363B (en) * | 2011-12-07 | 2014-06-04 | 北京四方继保自动化股份有限公司 | Double-engine-driving-based universal processing method and system for international electrotechnical commission (IEC) 103-based master station/substation protocols |
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