CN104112183A - Plug-and-play intelligent scheduling model management system and management method of intelligent substation - Google Patents
Plug-and-play intelligent scheduling model management system and management method of intelligent substation Download PDFInfo
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Abstract
The invention relates to a plug-and-play intelligent scheduling model management system and management method of an intelligent substation. The intelligent scheduling model management system is based on a substation interval scd model, and includes an interval model acquisition model, a model analysis and conversion module, a model splicing, comparison and warehousing module and a process management module. The model management method includes the steps of: performing modeling with the substation as a source end and an interval as granularity; monitoring a message bus, and obtaining a message sent by the substation; obtaining a substation interval model through a service bus; reading substation interval scd files in sequence, and performing analysis and conversion on the interval model; splicing a converted interval model, and importing the spliced interval model into a relation library and a real-time library; and notifying update completion of the interval model through the message bus. The model of the intelligent scheduling model management system in the invention is derived from the substation interval scd files, can realize station end maintenance and automatic access, manual participation is not required, and plug-and-play of the substation model is truly achieved.
Description
Technical field
The present invention relates to a kind of power automation technology, specifically relate to a kind of intelligent scheduling model management system and management method thereof of intelligent substation plug and play.
Background technology
Intelligent Substation System is followed IEC61850 standard, adopt substation configuration description (substation configuration description, SCD) model, this model comprises first and second facility information, and emphasis has been described the information of each IED equipment in transformer station; And intelligent dispatching system is followed IEC61970 model standard, adopt CIM/E model format, defined grid equipment model class object, in each class object, comprise apply property separately, CIM/E model comprises once, secondary device information, and emphasis has been described primary equipment model.Intelligent dispatching system model is held from transformer station, and two set of model standard difference are larger, therefore need to carry out conversion process to SCD model, extract the required model information of dispatching terminal, then just can utilize CIM/E research and the application that current dispatching terminal has been carried out to manage electric network model, realize the plug and play of transformer station model.
Whole station SCD model is general tens, if transmit whole station model when model modification, higher to bandwidth requirement, if cycle synchronisation frequency is higher, larger to network pressure, needs a kind of intelligent scheduling model management system and management method thereof badly.
Summary of the invention
For the deficiencies in the prior art, the intelligent scheduling model management system and the management method thereof that the object of this invention is to provide a kind of intelligent substation plug and play, the present invention follows IEC61850 standard at intelligent substation end and sets up model with the unit of being spaced apart, and forms interval scd file.Each gap model comprises primary equipment, the IED equipment in this interval and has the equipment component in the associated interval of electric or signal contact, in intelligent scheduling model management system, by the parsing to each gap model file, obtain the model information of dispatching system needs and the annexation between each interval, gap model is merged into whole station model.
The object of the invention is to adopt following technical proposals to realize:
The invention provides a kind of intelligent scheduling model management system of intelligent substation plug and play, its improvements are, described intelligent scheduling model management system, based on transformer station's interval scd model, comprising:
Gap model acquisition module: for monitoring messaging bus, obtain after newly-increased plant stand that transformer station sends, model modification message, call service bus and obtain the model file sending on intelligent substation;
Model analyzing modular converter: according to the difference of IEC61850 standard and IEC61970 standard, the model file of scd form is resolved, extract after the required model information of intelligent dispatching system, be converted to the model file of CIM/E form;
Model splicing is compared library module: by the model file after conversion according to the annexation between gap model, simultaneously with model bank in existing model compare, its increment is synchronized in whole electric network model storehouse;
Workflow management module: for managing each other modules of whole intelligent scheduling model management system, guarantee that it normally moves, the transmission of control message, file, realizes the robotization of whole process simultaneously, realizes the plug and play of intelligent substation model.
The present invention also provides a kind of model management method of intelligent scheduling model management system of intelligent substation plug and play, and its improvements are, described method comprises the steps:
(1) take transformer station as source, carry out modeling to be spaced apart granularity;
(2) monitor messaging bus, obtain the message that transformer station sends;
(3) by service bus, obtain transformer station's gap model;
(4) read successively transformer station's interval scd file, gap model is resolved to conversion;
(5) gap model after conversion is spliced, and import and be related to storehouse and real-time storehouse;
(6) by messaging bus reporting interval model modification, complete.
Further, in described step (1), original transformer station model is split as to a plurality of model files of the unit of being spaced apart; In each gap model, primary equipment part: the information that comprises the interval (being generally bus interval) of this interval and direct correlation with it; Secondary device part: the modeling information that comprises the secondary device being associated with interval in primary equipment.
Further, in described step (2), the message that intelligent substation sends comprises that communication information comprises by the communication information of transformer station's interface and intelligent scheduling model management system:
Newly-increased plant stand: transformer station sends whole intervals scd file is set up the file directory with " plant stand name _ date _ time " under intelligent scheduling model management system catalogue, and all intervals scd file is saved under this catalogue; Then intelligent scheduling model management system reads interval scd files all in this catalogue successively, calls conversion splicing function and processes;
Model modification: transformer station sends vicissitudinous interval scd file, sets up the file directory of new " plant stand name _ date _ time ", preserves the interval scd file upgrading; Then intelligent scheduling model management system reads all interval scd files, calls renewal function and processes;
Delete plant stand: transformer station sends the signal of deleting plant stand, according to the plant stand name of obtaining, all data relevant to this plant stand in database is all deleted; Delete substation model signal and add " artificially confirming " link, confirm errorless rear execution deletion action, after deletion, cannot recover.
Further, in described step (3), intelligent scheduling model management system is subscribed to more new events of all transformer station models, after transformer station model upgrades, receives model modification notice, then calls service bus, obtains transformer station's gap model.
Further, in described step (4), transformer station's gap model comprises transformer station's interval scd file, and transformer station's interval scd file is divided three classes: general interval scd file, transformer bay are every scd file and virtual interval scd file;
For general interval scd file, resolve the primary equipment and the IED facility information that belong to this interval;
For transformer bay every scd file, read interval primary equipment information under transformer, winding and each winding and belong to this transformer bay every IED facility information;
For virtual interval scd file, owing to not belonging to arbitrary interval, do not comprise primary equipment, for monitoring whole station state, only read IED facility information;
From the scd file of each interval, parse after information needed, according to IEC61970 code requirement, each information is reconfigured, form the gap model of CIM/E form.
Further, in described step (5), the gap model after conversion is spliced and comprised: the interval scd model of uploading according to transformer station, according to different interval, feature extraction goes out the required CIM/E form model of dispatching terminal;
Substation Station is the tie point between interval according to the outside annexation at interval in inner minute, is spliced into whole station model;
The annexation of transformer station and external electrical network is extracted by the line model of transformer station, obtains and exchanges line segment terminal point information, then by locating function, generate connecting line between station, and transformer station model and large electric network model are coupled together.
Further, in described step (6), obtain after the model of whole station, the function of utilizing intelligent scheduling model management system to realize manages electric network model, comprise the model information importing in CIM/E file, and the checking that supplies a model, model are thrown online, model rollback and Model publish management function; Complete after all operations, by messaging bus, issue gap model and upgraded message.
Compared with the prior art, the beneficial effect that the present invention reaches is:
Intelligent scheduling model management system and the management method thereof of intelligent substation plug and play provided by the invention, on intelligent scheduling technology back-up system, according to intelligent grid plug and play implementation framework research and development interface software, make intelligent scheduling technology back-up system can accomplish the access request of automatic identification intelligent transformer station, automatically find intelligent substation, automatically according to access application and the intelligent substation found, collect needed electrical network, transformer station model, device parameter, operation information etc. and carry out modeling, and access station is included in to control.
Intelligent scheduling model management system model derives from transformer station's interval scd file, and the end that can arrive at a station is safeguarded, access automatically, does not need artificial participation, really accomplishes the plug and play of transformer station model.Station end adopts interval modeling simultaneously, and model only comprises a small amount of information at primary equipment, IED equipment and the partial association interval at this interval, and model is less, then after compressed transmission, occupied bandwidth is less, has alleviated the pressure to whole data dispatching net.Switch technology based on interval scd model, guarantee that this gap model information is all converted to the form needing, the annexation being connected between interval also can all retain, and the whole station model forming after splicing can drop-out, thereby has guaranteed integrality and the availability of model.
Accompanying drawing explanation
Fig. 1 is the model annexation schematic diagram with the unit of being spaced apart provided by the invention;
Fig. 2 is each module diagram of intelligent scheduling model management system provided by the invention;
Fig. 3 is the gap model plug and play overall flow figure of transformer station provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The invention provides a kind of intelligent scheduling model management system of intelligent substation plug and play, its each module diagram as shown in Figure 2, described intelligent scheduling model management system, based on transformer station's interval scd model, comprises four modules: gap model acquisition module, model analyzing modular converter, model splicing are compared into library module and workflow management module; The function of each module is as follows:
Gap model acquisition module: for monitoring messaging bus, obtain after newly-increased plant stand that transformer station sends, model modification message, call service bus and obtain the model file sending on intelligent substation;
Model analyzing modular converter: according to the difference of IEC61850 standard and IEC61970 standard, the model file of scd form is resolved, extract after the required model information of intelligent dispatching system, be converted to the model file of CIM/E form;
Model splicing is compared library module: by the model file after conversion according to the annexation between gap model, simultaneously with model bank in existing model compare, its increment is synchronized in whole electric network model storehouse;
Workflow management module: for managing each other modules of whole intelligent scheduling model management system, guarantee that it normally moves, the transmission of control message, file, realizes the robotization of whole process simultaneously, realizes the plug and play of intelligent substation model.
Gap model plug and play overall flow figure provided by the invention as shown in Figure 3, comprises the steps:
(1) take transformer station as source, carry out modeling to be spaced apart granularity:
Intelligent dispatching system automatic modeling (being transformer station model plug and play system) model derives from transformer station, and transformer station's source is to be spaced apart granularity modeling.Traditional model file carries out modeling based on whole transformer station, comprises the once modeling of device description part and whole substation secondary device of substation.For the ease of model is managed, reduce original transformer station model to be split as to a plurality of model files of the unit of being spaced apart because model changes the chain reaction causing.In each gap model, primary equipment part: the partial information that only includes interval this interval and direct correlation with it (being generally bus interval); Secondary device part: the modeling information that only includes the secondary device being associated with interval in primary equipment.
Intelligent substation is to be spaced apart granularity modeling, on send after model scd file, intelligent scheduling model management system is according to model information extraction and switch technology, first from scd model, extract and generate CIM/E form model file, the all devices of this model within comprising this interval and corresponding measurement information thereof, also comprise the annexation of itself and external unit.By this external interface, be connected in whole large electrical network, as shown in Figure 1.
The annexation of inner each equipment in the annexation in transformer station between each interval and interval is mainly to carry out association by tie point (nd), read the connectivityNode attribute under the scd file Terminal node of interval, then each node is numbered, does not repeat numbering.For guaranteeing that annexation is correct, necessarily require node name corresponding to different associated intervals identical, in different interval scd file, same nd namespace node is identical.In conversion process, comprise nd equipment time, first from scd file, obtain nd node name, read the connectivityNode attribute under Terminal, whether then go to search this node name in storehouse exists, if exist, directly replace with corresponding numbering, if do not exist, this node is continued to numbering, and new node name and numbering are added in ND node table.
(2) monitor messaging bus, obtain the message that transformer station sends: comprise that communication information comprises by the communication information of transformer station's interface and intelligent scheduling model management system:
Newly-increased plant stand (NEW_SUBSTATION), model modification (MODEL_UPDATE), deletion plant stand (DEL_SUBSTATION).
Newly-increased plant stand: transformer station sends whole intervals scd file is set up the file directory with " plant stand name _ date _ time " under intelligent dispatching system catalogue, and all intervals scd file is saved under this catalogue; Then model management system reads all scd files in this catalogue successively, calls conversion splicing function and processes.
Model modification: transformer station sends vicissitudinous interval scd file, sets up the file directory of new " plant stand name _ date _ time " equally, preserves the interval scd file upgrading; Then model management system reads all interval scd files, calls renewal function and processes.
Delete plant stand: transformer station sends the signal of deleting plant stand, according to the plant stand name of obtaining, all data relevant to this plant stand in database is all deleted.Delete substation model signal and add " artificially confirming " link, confirm after errorless to carry out deletion action, after deletion, cannot recover.
(3) by service bus, obtain transformer station's gap model:
Intelligent scheduling model management system is subscribed to all intelligent substation model modification events, after transformer station model upgrades, can receive model modification notice, then calls service bus, obtains the electric network model of transformer station.
(4) read successively transformer station's interval scd file, gap model resolved to conversion: to be spaced apart granularity, carry out model conversion:
Gap model comprises interval scd file, and transformer station's interval scd file is mainly divided three classes: general interval scd file, transformer bay are every scd file, virtual interval scd file.For general interval, only need to resolve primary equipment and the IED equipment that belongs to this interval; For transformer bay every, need read the primary equipment information such as interval under transformer, winding and each winding and belong to this transformer bay every IED equipment; For virtual interval, owing to not belonging to arbitrary interval, do not comprise primary equipment, be generally to monitor whole station state, only need read IED facility information.From the scd file of each interval, parse after information needed, by 61970 code requirements, each information is reconfigured, form the gap model of CIM/E form.For and this be separated with other interval information of electrical link, in this interval file, do not resolve.
(5) gap model after conversion is spliced, and imports and be related to storehouse and real-time storehouse: to be spaced apart granularity, carry out model splicing:
The interval scd model of uploading according to intelligent substation, according to different interval, feature extraction goes out the required CIM/E form model of dispatching terminal.Because station end is with interval modeling, the model after extraction is also to be spaced apart granularity, and to the model information of extracting, be tie point interval between according to the outside annexation at interval inner the dividing of standing, and is spliced into whole station model.The annexation of transformer station and external electrical network needs to extract by the line model of transformer station, obtains and exchanges line segment terminal point information, then by corresponding locating function, generate the connecting line between station, and transformer station model and large electric network model are coupled together.
(6) by messaging bus reporting interval model modification, complete: the transformer station model with the unit of being spaced apart accesses existing dispatching system automatically:
Obtain after the model of whole station, the function that can utilize current dispatching system to realize manages electric network model, as imported the model information in CIM/E file, and provides the management functions such as relevant modelling verification, model are thrown online, model rollback, Model publish; Complete after all operations, by messaging bus, issue gap model and upgraded message.
In conventionally existing dispatching system, this area compass of competency Nei Ge transformer station and circuit model have been established, when newly-built intelligent substation access in dispatch system, no longer need the model of manually setting up transformer station to go forward side by side pedestrian's work to point, all operations is all realized robotization, accomplish the access request of automatic identification intelligent transformer station, automatically find intelligent substation, automatically according to access application and the intelligent substation found, collect needed electrical network, transformer station model, device parameter, operation information etc. and carry out modeling, the source modeling of implementation model, plug and play.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. an intelligent scheduling model management system for intelligent substation plug and play, is characterized in that, described intelligent scheduling model management system, based on transformer station's interval scd model, comprising:
Gap model acquisition module: for monitoring messaging bus, obtain after newly-increased plant stand that transformer station sends, model modification message, call service bus and obtain the model file sending on intelligent substation;
Model analyzing modular converter: according to the difference of IEC61850 standard and IEC61970 standard, the model file of scd form is resolved, extract after the required model information of intelligent dispatching system, be converted to the model file of CIM/E form;
Model splicing is compared library module: by the model file after conversion according to the annexation between gap model, simultaneously with model bank in existing model compare, its increment is synchronized in whole electric network model storehouse;
Workflow management module: for managing each other modules of whole intelligent scheduling model management system, guarantee that it normally moves, the transmission of control message, file, realizes the robotization of whole process simultaneously, realizes the plug and play of intelligent substation model.
2. a model management method for the intelligent scheduling model management system of intelligent substation plug and play as claimed in claim 1, is characterized in that, described method comprises the steps:
(1) take transformer station as source, carry out modeling to be spaced apart granularity;
(2) monitor messaging bus, obtain the message that transformer station sends;
(3) by service bus, obtain transformer station's gap model;
(4) read successively transformer station's interval scd file, gap model is resolved to conversion;
(5) gap model after conversion is spliced, and import and be related to storehouse and real-time storehouse;
(6) by messaging bus reporting interval model modification, complete.
3. model management method as claimed in claim 2, is characterized in that, in described step (1), original transformer station model is split as to a plurality of model files of the unit of being spaced apart; In each gap model, primary equipment part: comprise this interval and the information at the interval of direct correlation with it; Secondary device part: the modeling information that comprises the secondary device being associated with interval in primary equipment.
4. model management method as claimed in claim 2, is characterized in that, in described step (2), the message that intelligent substation sends comprises that communication information comprises by the communication information of transformer station's interface and intelligent scheduling model management system:
Newly-increased plant stand: transformer station sends whole intervals scd file is set up the file directory with " plant stand name _ date _ time " under intelligent scheduling model management system catalogue, and all intervals scd file is saved under this catalogue; Then intelligent scheduling model management system reads interval scd files all in this catalogue successively, calls conversion splicing function and processes;
Model modification: transformer station sends vicissitudinous interval scd file, sets up the file directory of new " plant stand name _ date _ time ", preserves the interval scd file upgrading; Then intelligent scheduling model management system reads all interval scd files, calls renewal function and processes;
Delete plant stand: transformer station sends the signal of deleting plant stand, according to the plant stand name of obtaining, all data relevant to this plant stand in database is all deleted; Delete substation model signal and add " artificially confirming " link, confirm errorless rear execution deletion action, after deletion, cannot recover.
5. model management method as claimed in claim 2, it is characterized in that, in described step (3), intelligent scheduling model management system is subscribed to more new events of all transformer station models, after transformer station model upgrades, receive model modification notice, then call service bus, obtain transformer station's gap model.
6. model management method as claimed in claim 2, it is characterized in that, in described step (4), transformer station's gap model comprises transformer station's interval scd file, and transformer station's interval scd file is divided three classes: general interval scd file, transformer bay are every scd file and virtual interval scd file;
For general interval scd file, resolve the primary equipment and the IED facility information that belong to this interval;
For transformer bay every scd file, read interval primary equipment information under transformer, winding and each winding and belong to this transformer bay every IED facility information;
For virtual interval scd file, owing to not belonging to arbitrary interval, do not comprise primary equipment, for monitoring whole station state, only read IED facility information;
From the scd file of each interval, parse after information needed, according to IEC61970 code requirement, each information is reconfigured, form the gap model of CIM/E form.
7. model management method as claimed in claim 2, it is characterized in that, in described step (5), the gap model after conversion is spliced and comprised: the interval scd model of uploading according to transformer station, according to different interval, feature extraction goes out the required CIM/E form model of dispatching terminal;
Substation Station is the tie point between interval according to the outside annexation at interval in inner minute, is spliced into whole station model;
The annexation of transformer station and external electrical network is extracted by the line model of transformer station, obtains and exchanges line segment terminal point information, then by locating function, generate connecting line between station, and transformer station model and large electric network model are coupled together.
8. model management method as claimed in claim 2, it is characterized in that, in described step (6), obtain after the model of whole station, the function of utilizing intelligent scheduling model management system to realize manages electric network model, comprise the model information importing in CIM/E file, and the checking that supplies a model, model are thrown online, model rollback and Model publish management function; Complete after all operations, by messaging bus, issue gap model and upgraded message.
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| CN106326450A (en) * | 2016-08-26 | 2017-01-11 | 山东电力工程咨询院有限公司 | Interaction method for realizing SCD (system configuration description) file sign-in and sign-off based on data integration |
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