CN107360136A - 61850 abstract services to 61968 message mechanism mapping methods - Google Patents
61850 abstract services to 61968 message mechanism mapping methods Download PDFInfo
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- CN107360136A CN107360136A CN201710445219.6A CN201710445219A CN107360136A CN 107360136 A CN107360136 A CN 107360136A CN 201710445219 A CN201710445219 A CN 201710445219A CN 107360136 A CN107360136 A CN 107360136A
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- message
- iec61850
- iec61968
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/03—Protocol definition or specification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/26—Special purpose or proprietary protocols or architectures
Abstract
The present invention relates to a kind of IEC61850 abstract services to the mapping method of 61968 message mechanisms, comprise the following steps：1st, the message subject of IEC61850 functions communication is defined, realizes IEC61850 abstract services to the correspondence of IEC61968 message subjects；2nd, the message carrier of IEC61850 functions communication is filled, the business datum of IEC61850 functions is effectively encapsulated into IEC61968 message carriers；3rd, packaged IEC61850 business datums are transmitted using Web Services communication modes.Equipment and the seamless link of bus are improved the information sharing between application system by the present invention；For idea about modeling, further application provides guarantee, improves the interoperability between equipment；IEC61850 standard applications are extended, it is no longer limited only to the automation of transformation substations.
Description
Technical field
The invention belongs to the power automation communications field, and in particular to a kind of 61850 abstract services to 61968 message mechanisms
Mapping method.
Background technology
IEC61968 is the communication protocol standard in terms of distribution automation (DA), and it tends to each application to distribution network system
By message driving mechanism, and the middleware services being route by proxy message are that ESB (ESB) realizes business datum
Exchange, wherein distribution main website and terminal be distribution automation application important composition element.At present, the fortune of distribution terminal collection
Row information passes to main station system using conventional communication protocol, lacks the description explanation to data implication (source), that is, lacks
Self-description information, in the engineering of reality, need special file specific to illustrate (such as point table) between main station system and terminal
Data implication, reduce the interoperability of distribution terminal and control centre, while the workload such as install, modulate, managing, safeguarding
It is larger, it is impossible to adapt to the demand of intelligent distribution network development.
IEC61850 is the standards system of Automation of Electric Systems communication network and system, its Object -Oriented Model skill
The features such as art, equipment self-described and service separate with mapping, realizes the interoperability of equipment and the Seamless integration- of system.At present
The various services of IEC61850 are only used inside transformer station, and abstract service is using MMS mapping modes, but distribution is led
Communication mechanism between the application system of domain is mainly IEC61968 message-drivens.If by IEC61850 idea about modeling and function services
It is applied in distribution automation application field, it is necessary to re-establish a kind of new service mapping mechanism, guarantee possesses IEC61850
The distribution main website of function and the transmission of terminal traffic data, and seamlessly access in distribution automation interacting message mechanism.
The content of the invention
For above-mentioned technical problem, definition and current application of the present invention according to IEC61968 message structures, one kind is designed
61850 abstract services to 61968 message mechanism mapping methods：Message specification as defined in following IEC61968 standards, realizes IEC61850
ACSI abstract service interfaces defined in standard, including the answer result of specific interface type, required parameter and answer party, mistake are former
Because etc. be mapped as standard message format, will be provided with the distribution automation terminal of 61850 functions or main website be mounted to and meet IEC61968 standards
ESB (ESB) on, be advantageous to the integration and information sharing of various Distributed Applications in distribution management system (DMS).
Tend to realize integrated between application system, the technology used in the present invention by message for IEC61968
Scheme is as follows：
61850 abstract services comprise the following steps to 61968 message mechanism mapping methods：
Step 1. defines the message subject of IEC61850 functions communication, realizes that IEC61850 abstract services disappear to IEC61968
Cease the correspondence of theme.
Distribution ESB provides the message routing functionality based on theme, and theme is each of interaction between mark system
Kind business datum, is defined using the mechanism of the verb (Noun) in message header (Header)+noun (Verb), and noun explanation is handed over
The type of information is changed, verb is used for identifying the action for needing to take.The value of concrete regulation verb in IEC61968 standards,
Realize the mapping of IEC61850 message, it is only necessary to it is self-defined according to the progress of standards service type to the noun in message header, disappear
The verb in head is ceased using the setting in IEC61968 standards.
Step 2. fills IEC61850 function communication information carriers, and the business datum of IEC61850 functions is effectively encapsulated
Into IEC61968 message.
Message carrier (payload) is business datum storage carrier actual in IEC61968 message, and the structure is generally abided by
The requirement of certain XML SCHEMA syntactic definition is followed, can be regarded as a subset of CIM, the message is included in by definition
In CIM class and attribute realize.Service interface specified in IEC61850 standards, its required parameter, reply result and
Mistake return code etc. has clear and definite structure to define.According to the required parameter of service interface specified in IEC61850 standards, answer
Multiple junction fruit and wrong return code, and IEC61850 toy grammar information, the self-defined efficient message carrier format that meets
IEC61850 data XML SCHEMA, and the standard filled and verified in this, as data, by the business number of IEC61850 functions
According to being effectively encapsulated into IEC61968 message.
Packaged IEC61850 business datums are transmitted by step 3. using Web Services communication modes.
Distribution ESB provides unified, based on Web service Fabric Interface, and Web Services are one
Communication of the kind based on extensible markup language (XML), Simple Object Access Protocol (SOAP) and Web description languages (WSDL)
Mechanism.In view of the functional specification of bus uses Web Services with interacting system, the communication mode of IEC61850 mapping data
Mode.The service interface defined in ESB interface specification is converted into simple api interface letter using instrument gSoap
Number, while the message carrier of message structure as defined in IEC61968 and customized IEC61850 business datums is converted into and met
The data structure of XML grammers, application system development person can free from data encoding and decoding, data transfer and maintenance, only
Focus on the judgement of IEC61850 function logics and the filling of interaction data message body.
Step 1 and 2 is technical scheme key point.Wherein, step 1 is to realize IEC61850 abstract services
To the correspondence of IEC61968 message subjects；Step 2 is according to customized request and answer argument structure, by IEC61850 functions
Business datum be effectively encapsulated into IEC61968 message.
The beneficial effect that the present invention reaches：
1. the seamless link of equipment and bus, improve the information sharing between application system.IEC61850 abstract services arrive
The mapping of IEC61968 message, realize that the interaction of IEC61850 application systems (such as distribution main website and terminal) seamless access power distribution network is total
On line.Meanwhile the communication of the definition of the message format of standard IEC 61968, the calling of bus standard service interface and Web Service
Mode, the transmission and access of 61850 data zero defect in bus are ensure that, reach 61850 application datas and maximumlly share.
2. for idea about modeling, further application provides guarantee, improves the interoperability between equipment.When distribution net equipment and
After control centre is modeled using IEC61850 idea about modeling, the mapping mechanism that the present invention designs is modeling self-description information
Transmission provides feasible mechanism, ensures the overall application of modeling technique, improves the interoperability between equipment, reaches controller switching equipment
Plug and play, and solve the drawbacks of conventional communication modes such as equipment installation is modulated, management service workload is big are brought, further carry
The high intelligentized growth requirement of distribution.
3. extend IEC61850 standard applications.Application of the IEC61850 standards in distribution automation, not only effectively makes up
Equipment Interoperability in Distribution Network Communication system, while also provide a new neck with practical application for reaching its maturity for itself
Domain, it is set no longer to be limited only to the automation of transformation substations, it is further to promote IEC61850 in Automation of Electric Systems communication network
Extensive use in network.
Brief description of the drawings
Fig. 1 is the operative scenario schematic diagram of the present invention；
Fig. 2 is ACSI interfaces (GetDateValues) schematic diagram that IEC61850-7-2 is defined.
Embodiment
Below in conjunction with the accompanying drawings, embodiments of the present invention are illustrated.
61850 abstract services comprise the following steps to 61968 message mechanism mapping methods：
Step 1. defines the message subject of IEC61850 functions communication, realizes that IEC61850 abstract services disappear to IEC61968
Cease the correspondence of theme；
The value of concrete regulation verb in IEC61968 standards, realizes the mapping of IEC61850 message, it is only necessary to offset
The noun ceased in head is self-defined according to the progress of standards service type, and the verb in message header uses the setting in IEC61968 standards.
The service interface according to as defined in IEC61850, the message subject of customized IEC61850 functions communication are as shown in the table：
The message carrier of step 2. filling IEC61850 function communications, the business datum of IEC61850 functions is effectively sealed
It is attached in IEC61968 message carriers.
According to the required parameter of service interface, answer result and wrong return code specified in IEC61850 standards, and
IEC61850 toy grammar information, the self-defined IEC61850 data XML SCHEMA for meeting efficient message carrier format, and with
This standard filled and verified as data.
Distribution automation IEC61968 information exchanges support two kinds of interactive modes of request/response and publish/subscribe, ask/
Response modes using request message (RequestMessage) and answer message (ResponseMessage) structure, issue/
Subscribe to using event message (EventMessage) structure.
Request message describes the detailed solicited message of requesting party, including tri- fields of Header, Request and Payload,
Wherein Header is used to describe the information in message process, is must have field in request, response and event message；
Request is used for describing solicited message parameter, is the Optional Field of request message；Payload is used for depositing the specific industry of user
Business data set, is Optional Field.Answer message describes answer of the answer party to request, including Header, Reply and Payload
Three fields, wherein Reply show the result of request message, return to success or failure identifier and specific incorrect details, are
Optional Field in response message.
Request/answer service interface of this interactive mode suitable for IEC61850, below using GetDateValues as
The specific implementation of example description messages mapping mode, ACSI interfaces (GetDateValues) request and reply that IEC61850 is defined
Information is as shown in Figure 2.
The message subject that GetDateValues is defined is GET+Data, i.e. verb and noun in Herder, application system
(such as main website) is arranged to requesting party when being registered on information interactive bus, to the theme；Another application system (such as terminal A) is noted
Respondent is arranged to the theme during volume, bus then according to the setting of thematic role, realizes the dynamic routing of message.
Compressed fields store actual user's business number in GetDateValues request messages carrier (payload)
According to according to customized IEC61850 data XML SCHEMA, filling in data value information.GetDateValues requested service
Data are mainly one or more model object titles, and the list object that application system (such as main website) will be read is filled into data
In structure ReqInfo and complete IEC61968 request messages are packaged into, call bus service interface, sends and reads asking for data
Ask, now the application system (such as main website) is recorded as requesting party in bus side.
GetDateValues request is transmitted to respondent (such as terminal A), replied by flexible bus according to the setting of theme
Side (such as terminal A) decoding request data, according to type of theme GetDate, it is judged as reading data, continues to decode specific model pair
As title, layer is judged into IEC61850 function logics, reply message corresponding to positioning simultaneously carries out response.In reply message carrier
Data structure include model object title and data value.
Another interactive mode is publish/subscribe, and the IEC61968 type of messages used is event messages.Publisher is actively
The event information of issue, any subscriber can receive.Structure only includes two fields of Header and Payload.
Report services in IEC61850 services use the pattern, the reporting format field such as including RptId, OptFlds, EntryData.
The message subject of Report Definition is CREATE+report, and application system (such as main website) is noted on information interactive bus
During volume, the side of pulling subscription is arranged to the theme；Another application system (such as terminal A) is arranged to issue when registering to the theme
Side, when terminal A issues event, bus is according to the configuration information of theme, by the event forwarding to subscriber.
Data structure and the reporting field of 61850 definition in the event message carrier (payload) of report are consistent,
Ensure the consistent and accurate of event content.
Packaged IEC61850 business datums are transmitted by step 3. using Web Services communication modes.
The communication mode of IEC61850 mapping data uses Web Services modes.ESB is connect using instrument gSoap
Service interface defined in mouthful specification is converted into simple api interface function, at the same by message structure as defined in IEC61968 and
The message carrier of customized IEC61850 business datums is converted into the data structure for meeting XML grammers, application system development person
It can be freed from data encoding and decoding, data transfer and maintenance, only focus on the judgement and friendship of IEC61850 function logics
The filling of mutual data-message body.
As shown in figure 1, it is the work that IEC61850 abstract services are mapped to 61968 message mechanisms that the present invention is realized
Schematic diagram of a scenario.
Claims (4)
1.61850 abstract services to 61968 message mechanism mapping methods, it is characterised in that comprise the following steps：
Step 1. defines the message subject of IEC61850 functions communication, realizes IEC61850 abstract services to IEC61968 message masters
The correspondence of topic；
The message carrier of step 2. filling IEC61850 function communications, the business datum of IEC61850 functions is effectively encapsulated into
In IEC61968 message；
Packaged IEC61850 business datums are transmitted by step 3. using Web Services communication modes.
2. 61850 abstract service according to claim 1 is to 61968 message mechanism mapping methods, it is characterised in that step
The method of message subject of definition IEC61850 functions communication described in 1 is：According to standards service type to the name in message header
Word progress is self-defined, and the verb in message header uses the setting in IEC61968 standards.
3. 61850 abstract service according to claim 1 is to 61968 message mechanism mapping methods, it is characterised in that step
The method of message carrier of filling IEC61850 functions communication described in 2 is：Connect according to service specified in IEC61850 standards
The required parameter of mouth, result and wrong return code, and IEC61850 toy grammar information are replied, it is self-defined to meet efficient message
The IEC61850 data XML SCHEMA of carrier format, and the standard filled and verified in this, as data.
4. 61850 abstract service according to claim 1 is to 61968 message mechanism mapping methods, it is characterised in that step
The method of transmission data described in 3 is：The service defined in distribution ESB interface specification is connect using instrument gSoap
Mouth is converted into simple api interface function, while by message structure as defined in IEC61968 and customized IEC61850 business
The message carrier of data is converted into the data structure for meeting XML grammers.
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Application publication date: 20171117 |