CN101930481B - 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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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 power technology field, the present invention relates to more precisely the method for expressing of electric power networks model.
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 region within the jurisdiction, on this model basis, carry out electric system simulation calculating and analysis, but the model in EMS system is the model of the lower electrical network of certain state (tense, research state strictly according to the facts), 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 specification to electric system common information model and application programming interfaces.CIM has become the universal model of describing electric system at present, between electric system different control areas, exchange model information has played key effect, but the state of a certain moment electrical network is only described due to electric system CIM used at present, and being described less than the situation of change for electric network model in certain time period, this can cause the exchange of control interval CIM model file too frequent on the one hand, change even the exchange that also needs to carry out CIM model file is moved back in the throwing of indivedual equipment completely according to schedule at each electric network model, on the other hand, because inside, control zone has only retained 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, exiting of power system device is all planned, that is to say, before a very long time, just roughly know that electrical network is from now on development and change how, just can not show the power network development variation in this time period by institute's CIM model that uses in current electric system.
The present invention is just based on IEC61970 international standard, and power system objects has wherein been expanded to time attribute, realized and can describe the CIM model that in fixed time section, electric network model changes.
Through preliminary search, find no temporarily the patent entry relevant to content of the present invention.
Summary of the invention
Goal of the invention of the present invention is:
1, according to the CIM XML model file of certain moment electrical network and the container in certain time period, equipment and topology point change records, generation can be described the CIM model that in fixed time section, electric network model changes, this CIM model meets the standard of IEC61970CIM, the container in CIM XML that generates, equipment and annexation are described accurately, tally with the actual situation, object is without disappearance or redundancy;
2, utilize and describe the CIM model that in certain hour section, electric network model changes (as described the CIM XML file that all electric network models change from the beginning of the year to the end of the year), can be according to corresponding electric network model of arbitrary moment in this this time period of CIM XML file generated, and auxiliaryly with information such as load prediction, Plant maintenance plan, generation schedules, the electrical network of any time in this time period is carried out to Security Checking;
3, describing the CIM model that in certain hour section, electric network model changes can be used in conjunction with 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 larger control area;
To achieve these goals, the present invention takes following technical scheme to realize:
Generate a method of describing the CIM model that in fixed time section, electric network model changes, comprise the following steps:
(1) import 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 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 information of container table " and " deleting information of container table " that comprise additions and deletions time field;
B) situation of change of equipment in fixed time section: the record that in input fixed time section, power system device increases and deletes, forms " the increasing 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 fixed time section: the increase of topological tie point and the record of deletion in input fixed time section, form " the increasing connection point information table " and " deleting connection point information table " that comprise additions and deletions time field;
(3) by all records in above-mentioned information table according to classifying before or after the T1 moment, and by additions and deletions time-sequencing, formed before the T1 moment with the T1 moment after additions and deletions object indexing table;
(4) the electric network model object in buffer zone is added to time attribute:
4.1) time attribute of container object is added: 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 is added: 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 is added: 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 buffer zone is upgraded according to the additions and deletions object indexing table before the T1 moment and after the T1 moment:
5.1) container object upgrades:
A), for the container of deleting after the T1 moment in " deleting 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 to time attribute is set as deleting the time corresponding in information of container table;
B) for the container of deleting before the T1 moment in " deleting information of container table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new container object, the key word of deleting container object is assigned to the container object in CIM XML buffer zone, and the value that the life of this container is finished to time attribute is set as deleting the time corresponding in information of container table;
C) for the container increasing after the T1 moment in " increasing information of container table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new container object, the key word of newly-increased container object is assigned to the container object in CIM XML buffer zone, the value of the life start time attribute of this container is set as increasing the time corresponding in information of container table;
D) for the container of increase before T1 moment in " increase information of container table ", 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 as increasing the time corresponding in information of container table;
5.2) device object upgrades:
A), for the equipment of deleting after the T1 moment 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 to time attribute is set as the time corresponding in sweep equipment information table;
B) for the equipment of deleting before the T1 moment in " sweep equipment information table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new device object, the key word of sweep equipment object is assigned to the object in CIM XML buffer zone, supplement the parameter information of newly added equipment, the value that the life of this equipment is finished to time attribute is set as the time corresponding in sweep equipment information table;
C) for the equipment increasing after the T1 moment in " increasing facility information table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new device object, the key word of newly added equipment object is assigned to the object in CIM XML buffer zone, supplement the parameter information of newly added equipment, the value of the life start time attribute of this equipment is set as increasing the time corresponding in facility information table;
D) for the equipment of increase before T1 moment in " increase facility information table ", 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 as increasing the time corresponding in facility information table;
5.3) topological relation object upgrades: complete after container object and device object renewal, the model object in buffer zone is all containers and the device object occurring in fixed time section,
A) for the tie point of deleting after the T1 moment in " deleting 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 to time attribute is set as deleting the time corresponding in connection point information table;
B) for the tie point of deleting before the T1 moment in " deleting connection point information table ", in buffer zone, in the topological connection relation structure storehouse of CIM model, insert new tie point object, the value that the life of this tie point is finished to time attribute is set as deleting the time corresponding in connection point information table;
C) for the tie point increasing after the T1 moment in " increasing connection point information table ", in buffer zone, in the topological connection relation structure storehouse of CIM model, insert new tie point object, the value of the life start time attribute of this tie point is set as increasing the time corresponding in connection point information table;
D), for the tie point increasing before the T1 moment in " increasing 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 started to attribute is set as increasing the time corresponding in connection point information table;
(6), according to the hierarchical relationship structure storehouse with time attribute in buffer zone and topological connection relation structure storehouse, generate and describe the CIM model XML file that in fixed time section, electric network model changes according to CIM XML syntax rule.
The method of the CIM model that in fixed time section, electric network model changes is described in aforesaid generation, and wherein, fixed time section refers to from T1, the time span finishing to a moment T2 (T1 < T2), i.e. [T1, T2]; Or from T0 (T0 < T1), the time span finishing to the T1 moment, i.e. [T0, T1]; Or from T0 (T0 < T1), to the time span of T2 moment (T1 < T2) end, i.e. [T0, T2].
The method of the CIM model that in fixed time section, electric network model changes is described in aforesaid generation, and wherein, the type of increase or deletion container is company, sub-control zone, plant stand or electric pressure.
The method of the CIM model that electric network model changes in 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 in fixed time section, electric network model changes is described in aforesaid generation, wherein, CIM model file is imported to buffer zone, application level relational structure storehouse and the topological connection relation structure storehouse model of recombinating, the feature in hierarchical relationship structure storehouse is to contain lower one deck container with 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, topological connection relation table is used for describing the annexation between tie point and equipment end points, tie point lifecycle matrix is used for describing life start time and the life end time of tie point.
The method of the CIM model that in fixed time section, electric network model changes is described in aforesaid generation, wherein, the container of deleting before the T1 moment in the container increasing after the T1 moment in " increasing information of container table " and " deleting information of container table " all need increase newly in the hierarchical relationship structure storehouse of buffer zone, and the increase mode of container object is to add after in hierarchical relationship structure storehouse, traversal finds its upper strata container again; Inserting in the process of new container object, need to give the corresponding object in buffer models by the key word of new container object.
The method of the CIM model that in fixed time section, electric network model changes is described in aforesaid generation, wherein, the equipment of deleting before the T1 moment in the equipment increasing after the T1 moment in " increasing facility information table " and " sweep equipment information table " all need increase newly in the hierarchical relationship structure storehouse of buffer zone, and the increase mode of device object is to add after in hierarchical relationship structure storehouse, traversal finds its equipment container again; Inserting in the process of new equipment object, need to give the corresponding object in buffer models by the key word of new equipment object, and give the corresponding object in buffer models by the parameter of newly added equipment.
The method of the CIM model that in fixed time section, electric network model changes is described in aforesaid generation, wherein, the tie point of deleting before the T1 moment in the tie point increasing after the T1 moment in " increasing connection point information table " and " deleting connection point information table " all need 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 topological connection relation table newly, life start time and the life end time of in tie point lifecycle matrix, recording this tie point; Inserting in the process of new tie point object, the mark unique overall situation of new tie point need to be given to the corresponding tie point object that in buffer zone, topology connects.
The present invention also provides a kind of system of describing the CIM model that electric network model changes in fixed time section that generates, and this system comprises,
CIM XML document analysis module in order to by electric network model CIM XML document analysis, and forms hierarchical relationship structure storehouse and topological connection relation structure storehouse in buffer zone;
Electrical network changes object definition module, in order to input the situation of change of fixed time section inner pressurd vessel, equipment and topological tie point object;
Database module, in order to store hierarchical relationship structure storehouse and the topological connection relation structure storehouse that CIM XML document analysis generates and expand through time attribute, and storage electrical network changes the change records of container, equipment and the topology objects inputted in object definition module;
Electrical network changes object handles module, processes in order to the change records that electrical network is changed to container, equipment and topological tie point object in 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 fixed time section is described, in order to according to the hierarchical relationship structure storehouse in buffer zone and topological connection relation structure storehouse, generate and describe the CIM model XML file that in fixed time section, electric network model changes according to CIM XML syntax rule;
The generation module of arbitrary moment electric network model state CIM model file in fixed time section is described, in order to according to the given time in fixed time section, the life start time of the CIM model object in hierarchical relationship structure storehouse and topological connection relation structure storehouse and life end time and given time are compared, to marking at the CIM model object of given time survival, then the CIM model object of all tape labels is generated the CIM model XML file of given time electrical network according to CIMXML syntax rule.
Brief description of the 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 middle-level relational structure storehouse, buffer zone hierarchical relationship structural drawing;
Fig. 5 is topological connection relation list structure figure in topological connection relation structure storehouse in buffer zone;
Fig. 6 is tie point lifecycle matrix structural drawing in topological connection relation structure storehouse in 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, plant stand 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, plant stand or electric pressure;
Higher level's container identification: the mark of container under the higher level of the container that increases newly or delete;
Additions and deletions mark: being used for distinguishing this container is increase or delete;
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 mark of the equipment that increases newly or delete;
Equipment end point identification list (chained list): list 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, plant stand or electric pressure;
Equipment container mark: the mark of container under the equipment that increases newly or delete;
Additions and deletions mark: being used for distinguishing this equipment is increase or delete;
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 mark: the mark of the tie point that increases newly or delete;
The equipment end point identification list (chained list) being connected with this tie point: list or the chained list of the equipment end point identification being connected with this tie point;
Additions and deletions mark: being used for distinguishing this tie point is increase or delete;
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 describing CIM XML electric network model information in buffer zone, first by CIM XML electric network model document analysis in buffer zone, and in buffer zone, form hierarchical relationship structure storehouse and topological connection relation structure storehouse; Adopting the object in hierarchical relationship structure storehouse is for follow-up, the newly-increased of container object and device object to be prepared, and is also that the CIM model that ensures the description time period of deriving from this hierarchical relationship structure storehouse meets IEC61970/CIM standard in addition.
CIM/XML model analyzing, in buffer zone, and is arranged as the hierarchical structure shown in Fig. 4, formed hierarchical relationship structure storehouse; In Fig. 4: be hierarchical relation between company, sub-control area, plant stand, electric pressure and equipment (generator, load, switch, disconnecting link, cutter, capacitive reactance device, bus), between plant stand, transformer, Transformer Winding, be also hierarchical relation, there is container class feature.
Hierarchical relationship structure storehouse formation method is as follows:
(a) power system objects in CIM XML is created in buffer zone according to type separately, and in buffer zone, record the rdfid that each object is corresponding;
(b) in buffer zone, set up the hierarchical relationship structure between object and its container according to the rdf id of the attribute MemberOf_ of container under power system objects in CIM XML model file and the corresponding power system objects of this rdf id, available two-dimensional array relation or hierarchical pointer relationship description.
In buffer zone, utilize incidence relation between the relation of hinting obliquely at and device port (Terminal) and the topological tie point (ConnectivityNode) between the rdf id of device object and the rdf id of device port (terminal) to describe the topological connection relation of 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 topological tie point (connectivityNode), and this topological connection relation is written in the topological connection relation table in topological connection relation structure storehouse; If do not exist in the tie point lifecycle matrix of the rdfid of this tie point in topological connection relation structure storehouse, add the record of this tie point in this table simultaneously.
In Fig. 5 buffer zone, in topological connection relation structure storehouse, topological connection relation list structure is described as follows:
Tie point mark: the mark of the tie point that increases newly or delete;
Equipment end point identification: the equipment end point identification being connected with this tie point;
In Fig. 6 buffer zone, in topological connection relation structure storehouse, tie point life cycle list structure is described as follows:
Tie point mark: the mark of the tie point that increases newly or delete;
The life start time: the life start time of this tie point;
The life end time: the life end time of this tie point;
In the present invention, disclosed a kind of according to the variation of container, device object the hierarchical relationship structure storehouse in buffer zone newly-increased, newly-increased method in the topological connection relation structure storehouse according to the variation of tie point object in buffer zone:
A) for the container of deleting before the T1 moment in " deleting information of container table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new container object, according to higher level's Container Type and higher level's container identification traveling through and search from hierarchical relationship structure storehouse, find after the rdf id of higher level's container, in the MemberOf_ of new container object attribute, be set as the rdfid of higher level's container, the key word of deleting container object is assigned to the container object in CIMXML buffer zone, the value that the life of this container is finished to time attribute is set as deleting the time corresponding in information of container table,
B) for the container increasing after the T1 moment in " increasing information of container table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new container object, according to higher level's Container Type and higher level's container identification traveling through and search from hierarchical relationship structure storehouse, find after the rdf id of higher level's container, in the MemberOf_ of new container object attribute, be set as the rdfid of higher level's container, the key word of newly-increased container object is assigned to the container object in CIMXML buffer zone, the value of the life start time attribute of this container is set as increasing the time corresponding in information of container table,
C) for the equipment of deleting before the T1 moment in " sweep equipment information table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new device object, be identified at from hierarchical relationship structure storehouse and travel through and search according to equipment container type and equipment container, find after the rdf id of equipment container, in the MemberOf_ of new container object attribute, be set as the rdfid of equipment container, the key word of sweep equipment object is assigned to the object in CIMXML buffer zone, supplement 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 the nameplate parameter after selected unit type or device start, the value that simultaneously life of this equipment is finished to time attribute is set as the time corresponding in sweep equipment information table, d) for the equipment increasing after the T1 moment in " increasing facility information table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new device object, be identified at from hierarchical relationship structure storehouse and travel through and search according to equipment container type and equipment container, find after the rdf id of equipment container, in the MemberOf_ of new container object attribute, be set as the rdfid of equipment container, the key word of sweep equipment object is assigned to the object in CIMXML buffer zone, supplement 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 the nameplate parameter after selected unit type or device start, the value of the life start time attribute of this equipment is set as increasing the time corresponding in facility information table simultaneously,
E) for the tie point of deleting before the T1 moment in " deleting connection point information table ", in tie point lifecycle matrix in buffer zone in the topological connection relation structure storehouse of CIM model, insert new tie point object, in topological connection relation table, increase the annexation between this tie point and equipment end points, the value that simultaneously life of this tie point is finished to time attribute is set as deleting the time corresponding in connection point information table;
F) for the tie point increasing after the T1 moment in " increasing connection point information table ", in tie point lifecycle matrix in buffer zone in the topological connection relation structure storehouse of CIM model, insert new tie point object, in topological connection relation table, increase the annexation between this tie point and equipment end points, the value of the life start time attribute of this tie point is set as increasing the time corresponding in connection point information table simultaneously;
In the present invention, disclose a kind ofly according to the hierarchical relationship structure storehouse with time attribute in buffer zone and topological connection relation structure storehouse, generated the method for describing the CIM model XML file that electric network model changes in fixed time section according to CIM XML syntax rule.
Through increasing newly of container object, device object, the all model objects that at the appointed time occurred in section all exist in the hierarchical relationship structure storehouse in buffer zone, and neither lack also not redundancy, can the description with time attribute to these power system objects respectively in the time generating CIMXML file; And for the description of the hierarchical relationship between object, can set rdfid by affiliated container attribute MemberOf_ describe; For the description on topological relation, by the Terminal.ConductingEquipment attribute of 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 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, disclose a kind ofly according to the hierarchical relationship structure storehouse with time attribute in buffer zone 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 fixed time section according to CIM XML syntax rule.
(a) according to the given time in fixed time section, the life start time of the CIM model object in hierarchical relationship structure storehouse and topological connection relation structure storehouse and life end time and given time are compared, if given time is in the middle of life start time and life end time, illustrate that this object survives at given time, mark to the CIM object of this survival;
(b) the CIM model object of all tape labels is generated to the CIM model XML file of given time electrical network according to CIM XML syntax rule.
In the present invention, disclose a kind of according to the container in the CIM XML model file of certain moment electrical network and certain time period, equipment and topology point change records, generation can be described the method for the CIM model that in fixed time section, electric network model changes, a preferred embodiment as shown in Fig. 7 is.
Obtaining of initial CIM model: this electrical network CIM model in the end of the year will be derived respectively with province tune center in electric system network regulation center in the time of the end of the year from EMS, network regulation center is spliced into the CIM file of network regulation and province's tune according to administration relation the CIM model of the whole network in an end of the year, the CIM model using this model as T1 moment the whole network.
Change records according to planning input electrical network CIM object in the current year: network regulation center and province tune center 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 additions and deletions connection point information table successively according to compass of competency separately respectively.
Treatment step: Fig. 7 has shown 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 analysis, generate this moment electrical network CIM model choosing multiple moment, the model in these moment is verified from object properties and topological connection aspect, proved the correctness of this describing method.
Claims (8)
1. generate a method of describing the CIM model that in fixed time section, electric network model changes, comprise the following steps:
(1) import 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 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 information of container table " and " deleting information of container table " that comprise additions and deletions time field;
B) situation of change of equipment in fixed time section: the record that in input fixed time section, power system device increases and deletes, forms " the increasing 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 fixed time section: the increase of topological tie point and the record of deletion in input fixed time section, form " the increasing connection point information table " and " deleting connection point information table " that comprise additions and deletions time field;
(3) by all records in above-mentioned information table according to classifying before or after the T1 moment, and by additions and deletions time-sequencing, formed before the T1 moment with the T1 moment after additions and deletions object indexing table;
(4) the electric network model object in buffer zone is added to time attribute:
4.1) time attribute of container object is added: 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 is added: 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 is added: 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 buffer zone is upgraded according to the additions and deletions object indexing table before the T1 moment and after the T1 moment:
5.1) container object upgrades:
A), for the container of deleting after the T1 moment in " deleting 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 to time attribute is set as deleting the time corresponding in information of container table;
B) for the container of deleting before the T1 moment in " deleting information of container table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new container object, the key word of deleting container object is assigned to the container object in CIMXM L buffer zone, and the value that the life of this container is finished to time attribute is set as deleting the time corresponding in information of container table;
C) for the container increasing after the T1 moment in " increasing information of container table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new container object, the key word of newly-increased container object is assigned to the container object in CIMXM L buffer zone, the value of the life start time attribute of this container is set as increasing the time corresponding in information of container table;
D) for the container of increase before T1 moment in " increase information of container table ", 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 as increasing the time corresponding in information of container table;
5.2) device object upgrades:
A), for the equipment of deleting after the T1 moment 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 to time attribute is set as the time corresponding in sweep equipment information table;
B) for the equipment of deleting before the T1 moment in " sweep equipment information table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new device object, the key word of sweep equipment object is assigned to the object in CIMXM L buffer zone, supplement the parameter information of newly added equipment, the value that the life of this equipment is finished to time attribute is set as the time corresponding in sweep equipment information table;
C) for the equipment increasing after the T1 moment in " increasing facility information table ", in buffer zone, in the hierarchical relationship structure storehouse of CIM model, insert new device object, the key word of newly added equipment object is assigned to the object in CIMXM L buffer zone, supplement the parameter information of newly added equipment, the value of the life start time attribute of this equipment is set as increasing the time corresponding in facility information table;
D) for the equipment of increase before T1 moment in " increase facility information table ", 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 as increasing the time corresponding in facility information table;
5.3) topological relation object upgrades: complete after container object and device object renewal, the model object in buffer zone is all containers and the device object occurring in fixed time section,
A) for the tie point of deleting after the T1 moment in " deleting 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 to time attribute is set as deleting the time corresponding in connection point information table;
B) for the tie point of deleting before the T1 moment in " deleting connection point information table ", in buffer zone, in the topological connection relation structure storehouse of CIM model, insert new tie point object, the value that the life of this tie point is finished to time attribute is set as deleting the time corresponding in connection point information table;
C) for the tie point increasing after the T1 moment in " increasing connection point information table ", in buffer zone, in the topological connection relation structure storehouse of CIM model, insert new tie point object, the value of the life start time attribute of this tie point is set as increasing the time corresponding in connection point information table;
D), for the tie point increasing before the T1 moment in " increasing 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 started to attribute is set as increasing the time corresponding in connection point information table;
(6), according to the hierarchical relationship structure storehouse with time attribute in buffer zone and topological connection relation structure storehouse, generate and describe the CIM model XM L file that in fixed time section, electric network model changes according to CIM XM L syntax rule;
Wherein,
The structure of described " increasing information of container table " and " deleting information of container table " is described as follows:
Container Type: company, sub-control zone, plant stand 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, plant stand or electric pressure;
Higher level's container identification: the mark of container under the higher level of the container that increases newly or delete;
Additions and deletions mark: being used for distinguishing this container is increase or delete;
The time of container additions and deletions: the time that increases or delete container newly;
Described " increasing facility information table " and the structure of " sweep equipment information table " are described as follows:
Device type: generator, bus, transformer, circuit, switch, disconnecting link, cutter, load, capacitor or reactor;
Device name: the mark of the equipment that increases newly or delete;
Equipment end point identification list: the 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, plant stand or electric pressure;
Equipment container mark: the mark of container under the equipment that increases newly or delete;
Additions and deletions mark: being used for distinguishing this equipment is increase or delete;
The equipment additions and deletions time: the time of newly-increased or sweep equipment;
The structure of described " increasing connection point information table " and " deleting connection point information table " is described as follows:
Tie point mark: the mark of the tie point that increases newly or delete;
The equipment end point identification list being connected with this tie point:
The list of the equipment end point identification being connected with this tie point;
Additions and deletions mark: being used for distinguishing this tie point is increase or delete;
The tie point additions and deletions time: the time that increases or delete tie point newly.
2. the method for the CIM model that in fixed time section, electric network model changes is described in generation according to claim 1, it is characterized in that: fixed time section refers to from T1, the time span finishing to a moment T2, i.e. [T1, T2], wherein T1 < T2; Or from T0, the time span finishing to the T1 moment, i.e. [T0, T1], wherein T0 < T1; Or from T0, to T2 moment (time span of end, i.e. [T0, T2], wherein T0 < T1 < T2.
3. the method for the CIM model that in fixed time section, electric network model changes is described in generation according to claim 1, it is characterized in that the type of increase or deletion container is company, sub-control zone, plant stand or electric pressure.
4. the method for the CIM model that electric network model changes in 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 in fixed time section, electric network model changes is described in generation according to claim 1, it is characterized in that CIM model file to import buffer zone, application level relational structure storehouse and the topological connection relation structure storehouse model of recombinating, the feature in hierarchical relationship structure storehouse is to contain lower one deck container with 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, topological connection relation table is used for describing the annexation between tie point and equipment end points, tie point lifecycle matrix is used for describing life start time and the life end time of tie point.
6. the method for the CIM model that in fixed time section, electric network model changes is described in generation according to claim 1, it is characterized in that the container increasing after the T1 moment in " increasing information of container table " and the container of deleting before " deleting information of container table " middle T1 moment all need increase newly in the hierarchical relationship structure storehouse of buffer zone, the increase mode of container object is to add after in hierarchical relationship structure storehouse, traversal finds its upper strata container again; Inserting in the process of new container object, need to give the corresponding object in buffer models by the key word of new container object.
7. the method for the CIM model that in fixed time section, electric network model changes is described in generation according to claim 1, it is characterized in that the equipment increasing after the T1 moment in " increasing facility information table " and the equipment of deleting before " sweep equipment information table " middle T1 moment all need increase newly in the hierarchical relationship structure storehouse of buffer zone, the increase mode of device object is to add after in hierarchical relationship structure storehouse, traversal finds its equipment container again; Inserting in the process of new equipment object, need to give the corresponding object in buffer models by the key word of new equipment object, and give the corresponding object in buffer models by the parameter of newly added equipment.
8. the method for the CIM model that in fixed time section, electric network model changes is described in generation according to claim 1, it is characterized in that the tie point increasing after the T1 moment in " increasing connection point information table " and the tie point of deleting before " deleting connection point information table " middle T1 moment all need 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 topological connection relation table newly, in tie point lifecycle matrix, record life start time and the life end time of this tie point, inserting in the process of new tie point object, the mark unique overall situation of new tie point need to be given to the corresponding tie point object that in buffer zone, topology connects.
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| CN102521451B (en) * | 2011-12-13 | 2017-09-19 | 华东电网有限公司 | A kind of electric network model file, generation method and the system of supporting accelerated model to splice |
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