CN101930481A - Method used for generating CIM model describing power grid change in designated time slot and system thereof - Google Patents
Method used for generating CIM model describing power grid change in designated time slot and system thereof Download PDFInfo
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- CN101930481A CN101930481A CN200910053573XA CN200910053573A CN101930481A CN 101930481 A CN101930481 A CN 101930481A CN 200910053573X A CN200910053573X A CN 200910053573XA CN 200910053573 A CN200910053573 A CN 200910053573A CN 101930481 A CN101930481 A CN 101930481A
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Abstract
The invention relates to a method used for generating CIM model describing power grid model change in designated time slot. The invention belongs to the power system technical field. The method includes the following steps: an initial CIM model is imported, and a hierarchical relationship structure library and a topology connection relationship structure library are established in a buffer area; change conditions of power grid model objects (container object, equipment object and topology connection point object) in designated time slot are input; all the record sorts in an object information list are subject to addition and deletion and sequencing is carried out, thus forming an addition deletion object index table; the power grid model objects (the container object, equipment object and topology connection point object) in the buffer area are sequentially updated according to the addition deletion object index table; and a CIM model XML file describing power grid model change in the designated time slot is generated by the CIM XML grammatical rule according to the hierarchical relationship structure library and topology connection relationship structure library which have time property in the buffer area.
Description
Technical field
The invention belongs to the power technology field, the present invention relates to the method for expressing of electric power networks model more precisely.
Background technology
In general, the electric power system model of this electrical network has all been set up in power-management centres at different levels in EMS system separately to the electrical network in the region within the jurisdiction, carrying out electric system simulation on this model basis calculates and analyzes, but the model in the EMS system is certain attitude (tense, research attitude strictly according to the facts) model of electrical network down, the model description CIM XML file of its derivation also only can be described the state of a certain moment electrical network, and can not describe the development and change of electrical network in the time period.
The IEC61970 series standard that International Electrotechnical Commission formulates has carried out standard to electric system common information model CIM and application programming interfaces.CIM has become the universal model of describing electric system at present, exchange model information has played key effect between the electric system different control areas, but at present because the used CIM of electric system has only described the state of a certain moment electrical network, and being described for the situation of change of electric network model in certain time period not, this can cause the exchange of control interval CIM model file too frequent on the one hand, promptly change even the exchange that also needs to carry out the CIM model file is moved back in the throwing of individual device fully according to schedule at each electric network model, on the other hand, because inside, control zone has only kept the state of the last model, and the development and change of a period of time electrical network are not kept a record.
Simultaneously, putting into operation, withdrawing from of power system device all is planned, that is to say, just known roughly that before a very long time electrical network from now on is development and change how, just can not show the variation of the power network development in this time period by institute's CIM model that uses in the present electric system.
The present invention just is being based on the IEC61970 international standard, and power system objects has wherein been expanded time attribute, has realized describing the CIM model that electric network model changes in the fixed time section.
Through preliminary search, find no the patent clauses and subclauses relevant temporarily with content of the present invention.
Summary of the invention
Goal of the invention of the present invention is:
1, CIM XML model file and the container in certain time period, equipment and the topology of electrical network are put change records constantly according to certain, generation can be described the CIM model that electric network model changes in the fixed time section, this CIM model meets the standard of IEC61970CIM, the container among the CIM XML that generates, equipment and annexation are described accurately, tally with the actual situation, object does not have disappearance or redundant;
2, utilize the CIM model (as describing the CIM XML file that all electric network models change from the beginning of the year to the end of the year) of describing electric network model variation in the certain hour section, can generate pairing electric network model of arbitrary moment in this time period according to this CIM XML file, and auxiliary the electrical network of any time in this time period be carried out safe check with information such as load prediction, Plant maintenance plan, generation schedules;
3, describing the CIM model that electric network model changes in the certain hour section can be used with the model splicing system, the CIM model of describing annual electrical network variation in each sub-control zone is spliced, can form the CIM model of the annual electrical network variation of description of bigger control area;
To achieve these goals, the present invention takes following technical scheme to realize:
A kind of method of describing the CIM model that electric network model changes in the fixed time section that generates comprises the following steps:
(1) imports initial CIM model: T1 moment electric network model CIM XML file is imported to buffer zone, in buffer zone, set up hierarchical relationship structure storehouse and topological connection relation structure storehouse;
(2) situation of change of electric network model object in the input fixed time section:
A) situation of change of fixed time section inner pressurd vessel: the record that input fixed time section inner pressurd vessel increases and deletes forms " the increasing the information of container table " and " deletion information of container table " that comprise additions and deletions time field;
B) situation of change of equipment in the fixed time section: the record that power system device increases and deletes in the input fixed time section forms " the increasing the facility information table " and " the sweep equipment information table " that comprise additions and deletions time field;
C) situation of change of topological tie point in the fixed time section: the increase of topological tie point and the record of deletion in the input fixed time section form " the increasing the connection point information table " and " deletion connection point information table " that comprise additions and deletions time field;
(3) with all records in the above-mentioned information table according to classifying before or after constantly at T1, and by the additions and deletions time-sequencing, form T1 constantly before and the additions and deletions object indexing table of T1 after constantly;
(4) the electric network model object in the buffer zone is added time attribute:
4.1) time attribute of container object adds: in buffer zone in the hierarchical relationship structure storehouse of CIM model, increase by two time attribute of container object: life start time attribute, life finish time attribute, the default value of life start time attribute is negative infinite distance, and the default value that life finishes time attribute is positive infinite distance;
4.2) time attribute of device object adds: in buffer zone in the hierarchical relationship structure storehouse of CIM model, increase by two time attribute of device object: life start time attribute, life finish time attribute, the default value of life start time attribute is negative infinite distance, and the default value that life finishes time attribute is positive infinite distance;
4.3) time attribute of topological tie point object adds: in buffer zone in the topological connection relation structure storehouse of CIM model, increase by two time attribute of tie point object: life start time attribute, life finish time attribute, the default value of life start time attribute is negative infinite distance, and the default value that life finishes time attribute is positive infinite distance;
(5) successively the electric network model object in the buffer zone is upgraded with the additions and deletions object indexing table of T1 after the moment constantly according to T1:
5.1) the container object renewal:
A) for the container of the back deletion constantly of T1 in " deletion information of container table ", in buffer zone in the hierarchical relationship structure storehouse of CIM model, the value that the life of this container is finished time attribute is set at time corresponding in the deletion information of container table;
B) container of deleting constantly for T1 in " deletion information of container table ", in buffer zone, insert new container object in the hierarchical relationship structure storehouse of CIM model, the key word of deletion container object is composed to the container object in the CIM XML buffer zone, and the value that the life of this container is finished time attribute is set at time corresponding in the deletion information of container table;
C) container that increases constantly for T1 in " increasing the information of container table ", in buffer zone, insert new container object in the hierarchical relationship structure storehouse of CIM model, the key word of newly-increased container object is composed to the container object in the CIM XML buffer zone, and the value of the life start time attribute of this container is set at increases time corresponding in the information of container table;
D) container that increases constantly for T1 in " increase information of container table " is in buffer zone in the hierarchical relationship structure storehouse of CIM model; The value of the life start time attribute of this container is set at increases time corresponding in the information of container table;
5.2) the device object renewal:
A) for the equipment of the back deletion constantly of T1 in " sweep equipment information table ", in buffer zone in the hierarchical relationship structure storehouse of CIM model, the value that the life of this equipment is finished time attribute is set at time corresponding in the sweep equipment information table;
B) equipment of deleting constantly for T1 in " sweep equipment information table ", in buffer zone, insert new device object in the hierarchical relationship structure storehouse of CIM model, the key word of sweep equipment object is composed to the object in the CIM XML buffer zone, replenish the parameter information of newly added equipment, the value that the life of this equipment is finished time attribute is set at time corresponding in the sweep equipment information table;
C) equipment that increases constantly for T1 in " increasing the facility information table ", in buffer zone, insert new device object in the hierarchical relationship structure storehouse of CIM model, the key word of newly added equipment object is composed to the object in the CIM XML buffer zone, replenish the parameter information of newly added equipment, the value of the life start time attribute of this equipment is set at increases time corresponding in the facility information table;
D) equipment that increases constantly for T1 in " increase facility information table " is in buffer zone in the hierarchical relationship structure storehouse of CIM model; The value of the life start time attribute of this equipment is set at increases time corresponding in the facility information table;
5.3) renewal of topological relation object: after finishing the renewal of container object and device object, the model object in the buffer zone is all containers and the device object that occurred in the fixed time section,
A) for the tie point of the back deletion constantly of T1 in " deletion connection point information table ", in buffer zone in the topological connection relation structure storehouse of CIM model, the value that the life of this tie point is finished time attribute is set at time corresponding in the deletion connection point information table;
B) tie point of deleting constantly for T1 in " deletion connection point information table ", insert new tie point object in buffer zone in the topological connection relation structure storehouse of CIM model, the value that the life of this tie point is finished time attribute is set at time corresponding in the deletion connection point information table;
C) tie point that increases constantly for T1 in " increasing the connection point information table ", insert new tie point object in buffer zone in the topological connection relation structure storehouse of CIM model, the value of the life start time attribute of this tie point is set at increases time corresponding in the connection point information table;
D) tie point that increases constantly for T1 in " increase connection point information table ", in buffer zone in the topological connection relation structure storehouse of CIM model, the value that the life of this tie point is begun attribute is set at and increases time corresponding in the connection point information table;
(6) according to the hierarchical relationship structure storehouse and the topological connection relation structure storehouse of band time attribute in the buffer zone, generate the CIM model XML file of describing electric network model variation in the fixed time section according to CIM XML syntax rule.
The method of the CIM model that electric network model changes in the fixed time section is described in aforesaid generation, and wherein, the fixed time section is meant from T1, to T2 (time span of T1＜T2) finish, i.e. [T1, a T2] constantly; Or from T0 (T0＜T1) is to the time span that T1 finishes constantly, i.e. [T0, T1]; Or from T0 (T0＜T1) is to T2 (time span of T1＜T2) finish, i.e. [T0, T2] constantly.
The method of the CIM model that electric network model changes in the fixed time section is described in aforesaid generation, and wherein, the type of increase or deletion container is company, sub-control zone, factory station or electric pressure.
The method of the CIM model that electric network model changes in the fixed time section is described in aforesaid generation, wherein, increase or the type of sweep equipment be generator, bus, transformer, circuit, switch, disconnecting link, cutter, load, capacitor or reactor.
The method of the CIM model that electric network model changes in the fixed time section is described in aforesaid generation, wherein, the CIM model file is imported buffer zone, application level relational structure storehouse and the topological connection relation structure storehouse model of recombinating, the characteristics in hierarchical relationship structure storehouse are to contain one deck container down with the last layer container, topological connection relation structure Al Kut point is made up of two bivariate tables, be respectively topological connection relation table and tie point lifecycle matrix, the topological connection relation table is used for describing the annexation between tie point and equipment end points, and the tie point lifecycle matrix is used for describing the life start time and the life concluding time of tie point.
The method of the CIM model that electric network model changes in the fixed time section is described in aforesaid generation, wherein, the container of T1 deletion before the moment all needs to increase newly in the hierarchical relationship structure storehouse of buffer zone in the container that T1 increases constantly in " increasing the information of container table " and " the deletion information of container table ", and the increase mode of container object is to add after traversal finds its upper strata container in hierarchical relationship structure storehouse again; In the process of inserting new container object, the key word of new container object need be given the corresponding object in the buffer models.
The method of the CIM model that electric network model changes in the fixed time section is described in aforesaid generation, wherein, the equipment that T1 deletes constantly in the equipment of T1 back increase constantly and " the sweep equipment information table " in " increasing the facility information table " all needs to increase newly in the hierarchical relationship structure storehouse of buffer zone, and the increase mode of device object is to add after traversal finds its equipment container in hierarchical relationship structure storehouse again; In the process of inserting the new equipment object, the key word of new equipment object need be given the corresponding object in the buffer models, and give corresponding object in the buffer models the parameter of newly added equipment.
The method of the CIM model that electric network model changes in the fixed time section is described in aforesaid generation, wherein, the tie point of T1 deletion before the moment all needs to increase newly in the topological connection relation structure storehouse of buffer zone in the tie point that T1 increases constantly in " increasing the connection point information table " and " the deletion connection point information table ", the increase mode of tie point object is the one or more annexation record that increases tie point and equipment end points in the topological connection relation table newly, the life start time and the life concluding time of this tie point of record in the tie point lifecycle matrix; In the process of inserting new tie point object, overall unique sign of new tie point need be given the corresponding tie point object that topology connects in the buffer zone.
The present invention also provides a kind of system of describing the CIM model that electric network model changes in the fixed time section that generates, and this system comprises,
CIM XML document analysis module in order to electric network model CIM XML document analysis, and forms level relational structure storehouse and topological connection relation structure storehouse in buffer zone;
Electrical network changes the object definition module, in order to the situation of change of input fixed time section inner pressurd vessel, equipment and topological tie point object;
Database module, in order to hierarchical relationship structure storehouse and the topological connection relation structure storehouse that stores the generation of CIM XML document analysis and expand through time attribute, and the storage electrical network changes the change records of container, equipment and the topology objects imported in the object definition module;
Electrical network changes the object handles module, handles in order to the change records that electrical network is changed container, equipment and topological tie point object in the object definition module, is updated in the hierarchical relationship structure storehouse and topological connection relation structure storehouse of buffer zone;
The generation module of electric network model variation CIM model file in the fixed time section is described, in order to according to hierarchical relationship structure storehouse in the buffer zone and topological connection relation structure storehouse, generate the CIM model XML file of describing electric network model variation in the fixed time section according to CIM XML syntax rule;
The generation module of arbitrary moment electric network model state CIM model file in the fixed time section is described, in order to according to the given time in the fixed time section, life start time of the CIM model object in hierarchical relationship structure storehouse and the topological connection relation structure storehouse and life concluding time and given time are compared, to doing mark, then the CIM model object of all tape labels is generated the CIM model XML file of given time electrical network according to the CIMXML syntax rule at the CIM model object of given time survival.
Description of drawings
Fig. 1 is " additions and deletions information of container table " structural drawing;
Fig. 2 is " additions and deletions facility information table " structural drawing;
Fig. 3 is " additions and deletions connection point information table " structural drawing;
Fig. 4 is the middle-level relational structure of a buffer zone storehouse hierarchical relationship structural drawing;
Fig. 5 is topological connection relation list structure figure in the topological connection relation structure storehouse in the buffer zone;
Fig. 6 is a tie point lifecycle matrix structural drawing in the topological connection relation structure storehouse in the buffer zone;
Fig. 7 is the process flow diagram that generates the CIM model of describing fixed time section electrical network variation;
Embodiment
In the present invention, disclosed the method for electric network model object variation definition in a kind of fixed time section, the structure of Fig. 1 " additions and deletions information of container table " is described as follows:
Container Type: company, sub-control zone, factory station or electric pressure;
Container identification: the unique identification of the container that increases newly or delete;
Higher level's Container Type: company, sub-control zone, factory station or electric pressure;
Higher level's container identification: the sign of container under the higher level of the container that increases newly or delete;
The additions and deletions sign: being used for distinguishing this container is to increase or deletion;
The time of container additions and deletions: the time that increases or delete container newly;
The structure of Fig. 2 " additions and deletions facility information table " is described as follows:
Device type: generator, bus, transformer, circuit, switch, disconnecting link, cutter, load, capacitor or reactor;
Device name: the equipment mark that increases newly or delete;
Equipment end point identification tabulation (chained list): the tabulation or the chained list of the Endpoint ID of the equipment that increases newly or delete;
Equipment container type: the type of container under the equipment that increases newly or delete, company, sub-control zone, factory station or electric pressure;
Equipment container sign: the sign of container under the equipment that increases newly or delete;
The additions and deletions sign: being used for distinguishing this equipment is to increase or deletion;
The equipment additions and deletions time: the time of newly-increased or sweep equipment;
The structure of Fig. 3 " additions and deletions connection point information table " is described as follows:
Tie point sign: the sign of the tie point that increases newly or delete;
The equipment end point identification tabulation (chained list) that links to each other with this tie point: the tabulation or the chained list of the equipment end point identification that links to each other with this tie point;
The additions and deletions sign: being used for distinguishing this tie point is to increase or deletion;
The tie point additions and deletions time: the time that increases or delete tie point newly;
In the present invention, disclosed a kind of method of in buffer zone, describing CIM XML electric network model information, at first with CIM XML electric network model document analysis in buffer zone, and in buffer zone, form level relational structure storehouse and topological connection relation structure storehouse; Adopting the purpose in hierarchical relationship structure storehouse is for follow-up the newly-increased of container object and device object to be prepared, and also is that the CIM model that guarantees description time period of deriving from this hierarchical relationship structure storehouse meets the IEC61970/CIM standard in addition.
The CIM/XML model is resolved in the buffer zone, and its arrangement is level type structure shown in Figure 4, form level relational structure storehouse; In Fig. 4: between company, sub-control area, factory station, electric pressure and the equipment (generator, load, switch, disconnecting link, cutter, capacitive reactance device, bus) is level type relation, also for level type relation, has the container class feature between factory station, transformer, the Transformer Winding.
Hierarchical relationship structure storehouse formation method is as follows:
(a) power system objects among the CIM XML is created in buffer zone according to type separately, and in buffer zone, write down the rdfid of each object correspondence;
(b) in buffer zone, set up hierarchical relationship structure between object and its container, available two-dimensional array relation or level type pointer relationship description according to the rdf id of the attribute MemberOf_ of container under the power system objects in the CIM XML model file and the pairing power system objects of this rdf id.
The topological connection relation that in buffer zone, utilizes relation of hinting obliquely between the rdf id of the rdf id of device object and device port (terminal) and the incidence relation between device port (Terminal) and the topological tie point (ConnectivityNode) to describe electrical network;
Topological connection relation structure storehouse formation method: by the rdf id in the Terminal.ConnectivityNode property value of traversal device port, incidence relation between apparatus for establishing port (Terminal) and the topological tie point (connectivityNode), and this topological connection relation is written in the topological connection relation table in the topological connection relation structure storehouse; If do not exist in the tie point lifecycle matrix of rdfid in topological connection relation structure storehouse of this tie point simultaneously, then in this table, add the record of this tie point.
In Fig. 5 buffer zone in the topological connection relation structure storehouse topological connection relation list structure be described as follows:
Tie point sign: the sign of the tie point that increases newly or delete;
Equipment end point identification: the equipment end point identification that links to each other with this tie point;
In Fig. 6 buffer zone in the topological connection relation structure storehouse tie point life cycle list structure be described as follows:
Tie point sign: the sign of the tie point that increases newly or delete;
The life start time: the life start time of this tie point;
The life concluding time: the life concluding time of this tie point;
In the present invention, it is newly-increased to have disclosed a kind of hierarchical relationship structure storehouse of variation in buffer zone according to container, device object, according to method newly-increased in the topological connection relation structure storehouse of variation in buffer zone of tie point object:
A) container of deleting constantly for T1 in " deletion information of container table ", in buffer zone, insert new container object in the hierarchical relationship structure storehouse of CIM model, search from hierarchical relationship structure storehouse, traveling through according to higher level's Container Type and higher level's container identification, after finding the rdf id of higher level's container, in the MemberOf_ of new container object attribute, be set at the rdfid of higher level's container, the key word of deletion container object is composed to the container object in the CIMXML buffer zone, and the value that the life of this container is finished time attribute is set at time corresponding in the deletion information of container table;
B) container that increases constantly for T1 in " increasing the information of container table ", in buffer zone, insert new container object in the hierarchical relationship structure storehouse of CIM model, search from hierarchical relationship structure storehouse, traveling through according to higher level's Container Type and higher level's container identification, after finding the rdf id of higher level's container, in the MemberOf_ of new container object attribute, be set at the rdfid of higher level's container, the key word of newly-increased container object is composed to the container object in the CIMXML buffer zone, and the value of the life start time attribute of this container is set at increases time corresponding in the information of container table;
C) equipment of deleting constantly for T1 in " sweep equipment information table ", in buffer zone, insert new device object in the hierarchical relationship structure storehouse of CIM model, be identified at from hierarchical relationship structure storehouse, to travel through according to equipment container type and equipment container and search, after finding the rdf id of equipment container, in the MemberOf_ of new container object attribute, be set at the rdfid of equipment container, the key word of sweep equipment object is composed to the object in the CIMXML buffer zone, replenish the parameter information of newly added equipment, design parameter when this parameter information can be planning, the actual measurement parameter of doing experiment and producing before nameplate parameter after the selected unit type or the device start, the value that simultaneously life of this equipment is finished time attribute is set at time corresponding in the sweep equipment information table;
D) equipment that increases constantly for T1 in " increasing the facility information table ", in buffer zone, insert new device object in the hierarchical relationship structure storehouse of CIM model, be identified at from hierarchical relationship structure storehouse, to travel through according to equipment container type and equipment container and search, after finding the rdf id of equipment container, in the MemberOf_ of new container object attribute, be set at the rdfid of equipment container, the key word of sweep equipment object is composed to the object in the CIMXML buffer zone, replenish the parameter information of newly added equipment, design parameter when this parameter information can be planning, the actual measurement parameter of doing experiment and producing before nameplate parameter after the selected unit type or the device start, the value of the life start time attribute of this equipment is set at increases time corresponding in the facility information table simultaneously;
E) tie point of deleting constantly for T1 in " deletion connection point information table ", insert new tie point object in the tie point lifecycle matrix in buffer zone in the topological connection relation structure storehouse of CIM model, increase the annexation between this tie point and equipment end points in the topological connection relation table, the value that simultaneously life of this tie point is finished time attribute is set at deletes time corresponding in the connection point information table;
F) tie point that increases constantly for T1 in " increasing the connection point information table ", insert new tie point object in the tie point lifecycle matrix in buffer zone in the topological connection relation structure storehouse of CIM model, increase the annexation between this tie point and equipment end points in the topological connection relation table, the value with the life start time attribute of this tie point is set at time corresponding in the increase connection point information table simultaneously;
In the present invention, disclosed a kind of hierarchical relationship structure storehouse and topological connection relation structure storehouse, generated the method for describing the CIM model XML file that electric network model changes in the fixed time section according to CIM XML syntax rule according to band time attribute in the buffer zone.
Through increasing newly of container object, device object, at the appointed time all exist in the hierarchical relationship structure storehouse of all model objects in buffer zone that occurred in the section, and neither lack not redundant yet, can be when generating the CIMXML file respectively to of the description of these power system objects with time attribute; And for the description of the hierarchical relationship between object, can set rdfid by affiliated container attribute MemberOf_ to describe; For the description on the topological relation, Terminal.ConductingEquipment attribute by device port, the relation of set device end points and equipment room, set the rdfid of tie point by the Terminal.ConnectivityNode attribute of device port, indicate the incidence relation between this device port (Terminal) and the topological tie point (connectivityNode), set affiliated container by the MemberOf_ attribute of topological tie point again, and in topological tie point object, specify the time attribute of this tie point.
In the present invention, disclosed a kind of hierarchical relationship structure storehouse and topological connection relation structure storehouse, generated the method for describing the CIM model XML file of the electric network model state of given time in the fixed time section according to CIM XML syntax rule according to band time attribute in the buffer zone.
(a) according to the given time in the fixed time section, life start time of the CIM model object in hierarchical relationship structure storehouse and the topological connection relation structure storehouse and life concluding time and given time are compared, if given time is at life start time and life in the middle of the concluding time, illustrate that this object survives at given time, do mark to the CIM object of this survival;
(b) the CIM model object of all tape labels is generated the CIM model XML file of given time electrical network according to CIM XML syntax rule.
In the present invention, disclosed a kind of CIM XML model file and the container in certain time period, equipment and topology point change records according to certain moment electrical network, generation can be described the method for the CIM model that electric network model changes in the fixed time section, as a preferred embodiment shown in Fig. 7 is.
Obtaining of initial CIM model: the electric system net is transferred the center and is economized the accent center and derive this electrical network CIM model in the end of the year respectively when the end of the year from EMS, net accent center will be netted to be in harmonious proportion according to the relation of administering and be economized the CIM model that the CIM file of transferring is spliced into the whole network in an end of the year, with the CIM model of this model as T1 moment the whole network.
Change records according to planning input electrical network CIM object in the current year: net accent center and province accent center basis compass of competency separately respectively are input to planning for the expansion of power grids in the current year in additions and deletions information of container table, additions and deletions facility information table and the additions and deletions connection point information table successively.
Treatment step: Fig. 7 has showed the CIM model file of describing power network development variation in the year according to aforesaid (1) to the generation of (6) step.
Result verification: describe the CIM model that this year, annual power network development changed by analyzing, generate this moment electrical network CIM model choosing a plurality of moment, these models are constantly verified with the topological aspect that is connected from object properties, proved the correctness of this describing method.
Claims (8)
1. one kind generates the method for describing the common information model (CIM model) that electric network model changes in the fixed time section, comprises the following steps:
(1) imports initial CIM model: T1 moment electric network model CIM XML file is imported to buffer zone, in buffer zone, set up hierarchical relationship structure storehouse and topological connection relation structure storehouse;
(2) situation of change of electric network model object in the input fixed time section:
A) situation of change of fixed time section inner pressurd vessel: the record that input fixed time section inner pressurd vessel increases and deletes forms " the increasing the information of container table " and " deletion information of container table " that comprise additions and deletions time field;
B) situation of change of equipment in the fixed time section: the record that power system device increases and deletes in the input fixed time section forms " the increasing the facility information table " and " the sweep equipment information table " that comprise additions and deletions time field;
C) situation of change of topological tie point in the fixed time section: the increase of topological tie point and the record of deletion in the input fixed time section form " the increasing the connection point information table " and " deletion connection point information table " that comprise additions and deletions time field;
(3) with all records in the above-mentioned information table according to classifying before or after constantly at T1, and by the additions and deletions time-sequencing, form T1 constantly before and the additions and deletions object indexing table of T1 after constantly;
(4) the electric network model object in the buffer zone is added time attribute:
4.1) time attribute of container object adds: in buffer zone in the hierarchical relationship structure storehouse of CIM model, increase by two time attribute of container object: life start time attribute, life finish time attribute, the default value of life start time attribute is negative infinite distance, and the default value that life finishes time attribute is positive infinite distance;
4.2) time attribute of device object adds: in buffer zone in the hierarchical relationship structure storehouse of CIM model, increase by two time attribute of device object: life start time attribute, life finish time attribute, the default value of life start time attribute is negative infinite distance, and the default value that life finishes time attribute is positive infinite distance;
4.3) time attribute of topological tie point object adds: in buffer zone in the topological connection relation structure storehouse of CIM model, increase by two time attribute of tie point object: life start time attribute, life finish time attribute, the default value of life start time attribute is negative infinite distance, and the default value that life finishes time attribute is positive infinite distance;
(5) successively the electric network model object in the buffer zone is upgraded with the additions and deletions object indexing table of T1 after the moment constantly according to T1:
5.1) the container object renewal:
A) for the container of the back deletion constantly of T1 in " deletion information of container table ", in buffer zone in the hierarchical relationship structure storehouse of CIM model, the value that the life of this container is finished time attribute is set at time corresponding in the deletion information of container table;
B) container of deleting constantly for T1 in " deletion information of container table ", in buffer zone, insert new container object in the hierarchical relationship structure storehouse of CIM model, the key word of deletion container object is composed to the container object in the CIM XML buffer zone, and the value that the life of this container is finished time attribute is set at time corresponding in the deletion information of container table;
C) container that increases constantly for T1 in " increasing the information of container table ", in buffer zone, insert new container object in the hierarchical relationship structure storehouse of CIM model, the key word of newly-increased container object is composed to the container object in the CIM XML buffer zone, and the value of the life start time attribute of this container is set at increases time corresponding in the information of container table;
D) container that increases constantly for T1 in " increase information of container table " is in buffer zone in the hierarchical relationship structure storehouse of CIM model; The value of the life start time attribute of this container is set at increases time corresponding in the information of container table;
5.2) the device object renewal:
A) for the equipment of the back deletion constantly of T1 in " sweep equipment information table ", in buffer zone in the hierarchical relationship structure storehouse of CIM model, the value that the life of this equipment is finished time attribute is set at time corresponding in the sweep equipment information table;
B) equipment of deleting constantly for T1 in " sweep equipment information table ", in buffer zone, insert new device object in the hierarchical relationship structure storehouse of CIM model, the key word of sweep equipment object is composed to the object in the CIM XML buffer zone, replenish the parameter information of newly added equipment, the value that the life of this equipment is finished time attribute is set at time corresponding in the sweep equipment information table;
C) equipment that increases constantly for T1 in " increasing the facility information table ", in buffer zone, insert new device object in the hierarchical relationship structure storehouse of CIM model, the key word of newly added equipment object is composed to the object in the CIM XML buffer zone, replenish the parameter information of newly added equipment, the value of the life start time attribute of this equipment is set at increases time corresponding in the facility information table;
D) equipment that increases constantly for T1 in " increase facility information table " is in buffer zone in the hierarchical relationship structure storehouse of CIM model; The value of the life start time attribute of this equipment is set at increases time corresponding in the facility information table;
5.3) renewal of topological relation object: after finishing the renewal of container object and device object, the model object in the buffer zone is all containers and the device object that occurred in the fixed time section,
A) for the tie point of the back deletion constantly of T1 in " deletion connection point information table ", in buffer zone in the topological connection relation structure storehouse of CIM model, the value that the life of this tie point is finished time attribute is set at time corresponding in the deletion connection point information table;
B) tie point of deleting constantly for T1 in " deletion connection point information table ", insert new tie point object in buffer zone in the topological connection relation structure storehouse of CIM model, the value that the life of this tie point is finished time attribute is set at time corresponding in the deletion connection point information table;
C) tie point that increases constantly for T1 in " increasing the connection point information table ", insert new tie point object in buffer zone in the topological connection relation structure storehouse of CIM model, the value of the life start time attribute of this tie point is set at increases time corresponding in the connection point information table;
D) tie point that increases constantly for T1 in " increase connection point information table ", in buffer zone in the topological connection relation structure storehouse of CIM model, the value that the life of this tie point is begun attribute is set at and increases time corresponding in the connection point information table;
(6) according to the hierarchical relationship structure storehouse and the topological connection relation structure storehouse of band time attribute in the buffer zone, generate the CIM model XML file of describing electric network model variation in the fixed time section according to CIM XML syntax rule.
2. the method for the CIM model that electric network model changes in the fixed time section is described in generation according to claim 1, it is characterized in that: the fixed time section is meant from T1, to T2 (time span of T1＜T2) finish, i.e. [T1, a T2] constantly; Or from T0 (T0＜T1) is to the time span that T1 finishes constantly, i.e. [T0, T1]; Or from T0 (T0＜T1) is to T2 (time span of T1＜T2) finish, i.e. [T0, T2] constantly.
3. the method for the CIM model that electric network model changes in the fixed time section is described in generation according to claim 1, it is characterized in that increasing or the type of delete container is that company, sub-control zone, factory stand or electric pressure.4, the method for the CIM model that electric network model changes in the fixed time section is described in generation according to claim 1, it is characterized in that increasing or the type of sweep equipment be generator, bus, transformer, circuit, switch, disconnecting link, cutter, load, capacitor or reactor.
5. the method for the CIM model that electric network model changes in the fixed time section is described in generation according to claim 1, it is characterized in that the CIM model file is imported buffer zone, application level relational structure storehouse and the topological connection relation structure storehouse model of recombinating, the characteristics in hierarchical relationship structure storehouse are to contain one deck container down with the last layer container, topological connection relation structure Al Kut point is made up of two bivariate tables, be respectively topological connection relation table and tie point lifecycle matrix, the topological connection relation table is used for describing the annexation between tie point and equipment end points, and the tie point lifecycle matrix is used for describing the life start time and the life concluding time of tie point.
6. the method for the CIM model that electric network model changes in the fixed time section is described in generation according to claim 1, it is characterized in that T1 in " increase information of container table " constantly in the container that increases of back and " the deletion information of container table " T1 constantly before container of deletion all need in the hierarchical relationship structure storehouse of buffer zone, increase newly, the increase mode of container object is to add after traversal finds its upper strata container in hierarchical relationship structure storehouse again; In the process of inserting new container object, the key word of new container object need be given the corresponding object in the buffer models.
7. the method for the CIM model that electric network model changes in the fixed time section is described in generation according to claim 1, it is characterized in that T1 in " increase facility information table " constantly in the equipment that increases of back and " the sweep equipment information table " T1 constantly before equipment of deletion all need in the hierarchical relationship structure storehouse of buffer zone, increase newly, the increase mode of device object is to add after traversal finds its equipment container in hierarchical relationship structure storehouse again; In the process of inserting the new equipment object, the key word of new equipment object need be given the corresponding object in the buffer models, and give corresponding object in the buffer models the parameter of newly added equipment.
8. the method for the CIM model that electric network model changes in the fixed time section is described in generation according to claim 1, it is characterized in that the tie point of T1 moment back increase in " increasing the connection point information table " and the tie point of " deletion connection point information table " middle T1 preceding deletion constantly all need to increase newly in the topological connection relation structure storehouse of buffer zone, the increase mode of tie point object is the one or more annexation record that increases tie point and equipment end points in the topological connection relation table newly, the life start time and the life concluding time of this tie point of record in the tie point lifecycle matrix; In the process of inserting new tie point object, overall unique sign of new tie point need be given the corresponding tie point object that topology connects in the buffer zone.
9. one kind generates the system of describing the CIM model that electric network model changes in the fixed time section, this system comprises, CIM XML document analysis module in order to electric network model CIM XML document analysis, and forms level relational structure storehouse and topological connection relation structure storehouse in buffer zone;
Electrical network changes the object definition module, in order to the situation of change of input fixed time section inner pressurd vessel, equipment and topological tie point object;
Database module, in order to hierarchical relationship structure storehouse and the topological connection relation structure storehouse that stores the generation of CIM XML document analysis and expand through time attribute, and the storage electrical network changes the change records of container, equipment and the topology objects imported in the object definition module;
Electrical network changes the object handles module, handles in order to the change records that electrical network is changed container, equipment and topological tie point object in the object definition module, is updated in the hierarchical relationship structure storehouse and topological connection relation structure storehouse of buffer zone;
The generation module of electrical network variation CIM model file in the fixed time section is described, in order to according to hierarchical relationship structure storehouse in the buffer zone and topological connection relation structure storehouse, generate the CIM model XML file of describing electrical network variation in the fixed time section according to CIM XML syntax rule;
The generation module of arbitrary moment electric network model state CIM model file in the fixed time section is described, in order to according to the given time in the fixed time section, life start time of the CIM model object in hierarchical relationship structure storehouse and the topological connection relation structure storehouse and life concluding time and given time are compared, to doing mark, then the CIM model object of all tape labels is generated the CIM model XML file of given time electrical network according to the CIMXML syntax rule at the CIM model object of given time survival.
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