CN105449676B - Power distribution network Area Node network generation method and system - Google Patents
Power distribution network Area Node network generation method and system Download PDFInfo
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- CN105449676B CN105449676B CN201511029405.9A CN201511029405A CN105449676B CN 105449676 B CN105449676 B CN 105449676B CN 201511029405 A CN201511029405 A CN 201511029405A CN 105449676 B CN105449676 B CN 105449676B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The present invention provides a kind of power distribution network Area Node network generation method and system, build CIM tree topologies, virtual tributary in CIM tree topologies is eliminated, and the Transformer Winding branch road for belonging to same two-winding transformer is merged into wall scroll transformer branch, obtain electric tree topology, according to switching branches, electric tree topology is divided into multiple separate regions, and will each separate region as individual node, obtain multiple Area Nodes, recover annexation of the switching branches between multiple Area Nodes, obtain Area Node network.In whole process, based on CIM, contraction by two aspects of CIM topological sums electric topology obtains Area Node network, obtain highly simplified Area Node network, and contribution of the internal unit to distribution network reliability is identical in the Area Node network obtained, calculation scale can be greatly reduced while not influenceing distribution network reliability and calculating, improve computational efficiency.
Description
Technical field
The present invention relates to distribution network technology field, more particularly to power distribution network Area Node network generation method and system.
Background technology
Power distribution network be by overhead transmission line, cable, shaft tower, distribution transformer, disconnecting switch, reactive compensation capacitor and some
The compositions such as affiliated facility, the network of important distribution electric energy effect is played in power network.The topological analysis of distribution network is basis
The annexation of distribution electrical equipment, whole distribution network regard as line with point combine topological diagram, then according to power junctions,
The topological line analysis that node etc. carries out whole network is switched, it is fixed that it is that distribution network carries out state estimation, Load flow calculation, failure
The basis of position, isolation and other analyses such as service restoration, network reconfiguration.
The fail-safe analysis of power distribution network remains in the aspect of off-line analysis, comparatively to the requirement of its calculating speed not
It is high.With deepening continuously for intelligent grid construction, modern society is to the reliability requirement more and more higher of supply of electric power, to power distribution network
Fail-safe analysis is carried out from traditional off-line analysis to on-line analysis transition, the calculating calculated is analyzed to distribution network reliability
Performance requirement is very high, it is necessary to have important breakthrough in terms of distribution network reliability modeling.
Distribution network reliability analysis calculate data be based on power distribution network Area Node network, if can provide one kind accurately and
Simplified power distribution network Area Node network, then the scale that distribution network reliability analysis calculates necessarily can be effectively reduced, improves meter
Calculate efficiency.
The content of the invention
Based on this, it is necessary to the problem of for there is no power distribution network Area Node network that is accurate and simplifying at present, there is provided one
Kind can generate the method and system of power distribution network Area Node network that is accurate and simplifying.
A kind of power distribution network Area Node network generation method, including step：
CIM (Common Information Model, Common Information Model) tree topology is built, wherein, CIM trees
Shape topological structure includes virtual tributary and switching branches；
Virtual tributary is eliminated, and the Transformer Winding that same two-winding transformer will be belonged in CIM tree topologies
Branch road is merged into wall scroll transformer branch, obtains electric tree topology；
According to switching branches, electric tree topology is divided into multiple separate regions, and will each mutually solely
Vertical region obtains multiple Area Nodes as individual node；
Recover annexation of the switching branches between multiple Area Nodes, obtain Area Node network.
A kind of power distribution network Area Node network generates system, including：
Module is built, for building CIM tree topologies, wherein, CIM tree topologies include virtual tributary and opened
Close branch road；
Electrical structure acquisition module, for virtual tributary to be eliminated, and same double wrap will be belonged in CIM tree topologies
The Transformer Winding branch road of group transformer is merged into wall scroll transformer branch, obtains electric tree topology；
Area Node acquisition module, for according to switching branches, electric tree topology being divided into multiple mutually only
Vertical region, and each as individual node, multiple Area Nodes will be obtained in separate region；
Area Node Network Capture module, for recovering annexation of the switching branches between multiple Area Nodes, obtain
Area Node network.
Power distribution network Area Node network generation method and system of the present invention, CIM tree topologies are built, CIM is tree-shaped
Virtual tributary in topological structure is eliminated, and the Transformer Winding branch road for belonging to same two-winding transformer is merged into wall scroll and become
Depressor branch road, electric tree topology is obtained, according to switching branches, electric tree topology is divided into multiple mutually only
Vertical region, and each as individual node, multiple Area Nodes will be obtained, recover switching branches in multiple areas in separate region
Annexation between domain node, obtain Area Node network.In whole process, based on CIM, by CIM topological sums
The contraction of two aspects of electric topology obtains Area Node network, obtains highly simplified Area Node network, and the area obtained
Contribution of the internal unit to distribution network reliability is identical in domain node network, can be while distribution network reliability calculating is not influenceed
Greatly reduce calculation scale, improve computational efficiency.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of power distribution network Area Node network generation method one embodiment of the present invention；
Fig. 2 is the schematic flow sheet of second embodiment of power distribution network Area Node network generation method of the present invention；
Fig. 3 is the CIM tree topology schematic diagrames of distribution feeder；
Fig. 4 is the structural representation that power distribution network Area Node network of the present invention generates system one embodiment；
Fig. 5 is the structural representation that power distribution network Area Node network of the present invention generates second embodiment of system.
Embodiment
Technology for the ease of explanation power distribution network Area Node network generation method of the present invention and system is put case and its brought
Effect, the general principle applied first against it is described in detail below.
In power system, the consideration integrated for information exchange and function, increasing application program in transmission and
Using following IEC (International Electrotechnical Commission, International Power skill when data
The art committee) Organisation recommendations CIM specifications.One distribution feeder model for meeting CIM specifications is often with corresponding XML
(Exensive Markup Language, extensible markup language) character string is carrier, wherein including the distribution feeder mould
The most complete information of type, the topological structure of such as feeder line, device type, basic parameter, geographical position.Power distribution network is built at present
If unlinked when often having ring, but run.That is, often there is the contact with other feeder lines in wall scroll feeder line
Relation, but this communication relationship is to disconnect when normal operation.It can be seen that the CIM of wall scroll feeder line should be strict
Tree topology.
Because the CIM of distribution feeder is most complete, in fact it is likely to own in different occasions
Information.Specifically, the electrical equipment of objective reality will not be directly connected in CIM, but be needed by getting in touch with section
Point object and terminal node object establish a connection, and both objects are only the object of logic level, in objective world
It is not present.When the analyses such as distribution power system load flow calculation, short circuit calculation, Calculation of Reliability calculating is carried out, being need not
Contact node object and terminal node object, it is necessary to be simplified.It is visible by analyzing definition of the CIM to topological structure, can
To find the terminal node associated with each contact node, and the electrical equipment that all terminal nodes are directly connected to connects
To same electrical point, that is, realize the contraction abbreviation to contact node and terminal node.In CIM transformer it is different around
Group is independent object, is connected also by contact node with terminal node.Carry out it is various analysis calculate when need by
Multiple windings of transformer are considered into an entirety.Involved transformer is double winding transformation in 10kV medium voltage distribution networks
Device, when carrying out contraction abbreviation to contact node and terminal node, it will directly can belong to when two-winding transformer is run into
Two windings of same transformer are merged into a branch road, so as to realize the contraction abbreviation to two-winding transformer.
By above-mentioned analysis, you can obtain the electric topology model of power distribution network, at present the Load flow calculation to power distribution network, short
Road calculating etc. is using this electric topology model.Currently available power distribution network electric topology includes all straight with power transmission
Connect the electrical equipment of correlation, such as transmission line of electricity, transformer, switching branches.As it was previously stated, carry out Calculation of Reliability when
Wait, it is only necessary to consider response time of the various switching branches to failure, and the multiple connected regions for being switched on and off branch cutting are each interior
Contribution of the device parameter and topological relation in portion to reliability can merger.
As shown in Figure 1 and Figure 2, a kind of power distribution network Area Node network generation method, including step：
S100：CIM tree topologies are built, wherein, CIM tree topologies include virtual tributary and switching branches.
CIM is an abstract model, particularly relevant with operation power for describing all main objects of electric power enterprise
Object.CIM represents the standard side of power system resource by providing a kind of relation with object class and attribute and between them
Method, CIM facilitate integrated, the complete energy of multiple stand-alone developments for the EMS application for realizing different seller's stand-alone developments
It is integrated between amount management system, and the system of EMS and other different aspects for being related to Operation of Electric Systems,
These are applied or system accesses common data and exchange information independent of the internal representation of information to realize.
CIM tree topologies include node and branch road two large divisions, wherein, end points includes contact node and terminal node, branch road
Including virtual tributary, AC line part of path, Transformer Winding and switching branches.Virtual tributary is used to characterize electrical equipment logic
Annexation.The CIM tree topologies of distribution feeder as shown in Figure 3, wherein, node is contact node and terminal section
Point, totally 1642, branch road includes virtual tributary between contact node and terminal node, AC line section, Transformer Winding and each
Kind switching branches, totally 1641.
Specifically, in one of the embodiments, step S100 includes：
S120：Obtain the standard CIM of distribution feeder.
S140：The standard CIM of distribution feeder is mapped to CIM tree topologies.
The standard CIM of distribution feeder is basic model known to power system industry, specifically, will can be matched somebody with somebody
The standard CIM of power network feeder line is mapped to CIM tree topologies.
S200：Virtual tributary is eliminated, and the transformer that same two-winding transformer will be belonged in CIM tree topologies
Winding branch road is merged into wall scroll transformer branch, obtains electric tree topology.
In CIM tree topologies, contact node and terminal node are only with connotation in logic, in physical environment
And entity is not present, when carrying out every electrical analysis also without its information, contraction abbreviation can be carried out to it.In CIM moulds
Each Transformer Winding is standalone object in type, and two transformers of unified two-winding transformer should will be belonged in electric topology
Winding object merging carries out contraction abbreviation into same transformer branch to it.
S300：According to switching branches, electric tree topology is divided into multiple separate regions, and by each phase
Mutual isolated area obtains multiple Area Nodes as individual node.
Switching branches can be obtained in CIM tree topologies, are opened up according to the switching branches in feeder line by electrically tree-shaped
Segmentation of structures is flutterred into multiple separate regions, is a node by each region merging technique, that is, obtains Area Node.
S400：Recover annexation of the switching branches between multiple Area Nodes, obtain Area Node network.
Recover annexation of the switching branches between Area Node, then obtain final Area Node network.Compared to mark
For accurate CIM, the Area Node network obtained by power distribution network Area Node network generation method of the present invention is highly simplified, together
When do not lose the accuracy of Calculation of Reliability.
Power distribution network Area Node network generation method of the present invention, CIM tree topologies are built, by CIM tree topology knots
Virtual tributary in structure is eliminated, and the Transformer Winding branch road for belonging to same two-winding transformer is merged into wall scroll transformer branch
Road, electric tree topology is obtained, according to switching branches, electric tree topology is divided into multiple separate areas
Domain, and each as individual node, multiple Area Nodes will be obtained, recover switching branches and saved in multiple regions in separate region
Annexation between point, obtain Area Node network.It is electric by CIM topological sums based on CIM in whole process
The contraction of two aspects of topology obtains Area Node network, obtains highly simplified Area Node network, and the region section obtained
Contribution of the internal unit to distribution network reliability is identical in spot net, can be while not influenceing distribution network reliability and calculating significantly
Calculation scale is reduced, improves computational efficiency.
As shown in Fig. 2 in one of the embodiments, step S400 includes：
S420：The electrical node at every switching branches both ends is obtained respectively.
Specifically, switching branches are obtained from CIM tree topologies first, can be by acquisition for ease of record
Switching branches are configured to switching branches set SBr, switching branches set SBrInclude multiple switch branch road Br.Every is obtained again to open
Close 2 points of branch road Br electrical node.
S440：Identify every affiliated connected subgraph of switching branches both ends electrical node.
Specifically, it can first judge the connectedness in CIM tree topologies, search institute in CIM tree topologies
Some connected subgraphs, and the node object of connected subgraph.In the connected subgraph found, every switching branches Br two is identified
Hold the affiliated connected subgraph of electrical node.
S460：The region section of every affiliated connected subgraph of switching branches both ends electrical node is searched in multiple Area Nodes
Point.
In multiple Area Nodes that step S300 is obtained, search and connected belonging to every switching branches Br both ends electrical node
The Area Node of subgraph.
S480：The Area Node arrived by corresponding switching branches connection and locating, obtain Area Node network.
By the Area Node of the affiliated connected subgraph of switching branches Br connecting valve branch road Br both ends electrical nodes, area is obtained
Domain node network.
In one of the embodiments, CIM tree topologies include contact node and terminal node, open up CIM is tree-shaped
The step of virtual tributary flutterred in structure eliminates includes：
Travel through CIM tree topologies, obtain CIM tree topologies in contact node, using each contact node as
Research object, grasped as follows respectively：The virtual tributary being connected with single contact node is searched, obtains virtual tributary set, note
The terminal node of every virtual tributary offside in virtual tributary set is recorded, obtains virtual tributary terminal node set, is deleted virtual
Virtual tributary in set of fingers, it is with list by the leg modifications using terminal node in virtual tributary terminal node set as end points
Individual contact node is corresponding end points, and deletes the terminal node changed.
Example will be used below, explain in detail the process that explanation virtual tributary eliminates.
1st, enumerate to obtain the contact node set S that all contact nodes in CIM topological structures are formed firstc。
2nd, to set ScIn each element c perform following operation：
2.1st, traversal obtains all virtual tributaries being connected with contact node c in CIM topological structures, records all these
The set S that virtual tributary is formedct (c), and the set S that every virtual tributary offside terminal node is formedt (c)。
2.2nd, set S is deletedct (c)In all virtual tributaries.
2.3 by all with St (c)Middle terminal node is that the branch road of end points is changed to using c as corresponding end points, and leaves out this terminal section
Point.
In one of the embodiments, will belong in CIM tree topologies the transformer of same two-winding transformer around
The step of group branch road is merged into wall scroll transformer branch includes：
According to CIM tree topologies, enumerate to obtain transformer dummy node in CIM tree topologies, with single change
Depressor dummy node is research object, is proceeded as follows respectively：CIM tree topologies are traveled through, obtain two and single change
The connected Transformer Winding branch road of depressor dummy node, the parameter information after two Transformer Winding branch roads merge is calculated, two
Bar Transformer Winding branch road is assigned to wall scroll branch road corresponding parametric values to generating wall scroll branch road side gusset according to parameter information,
Delete two Transformer Winding branch roads and single transformer dummy node.
Example will be used below, and same two-winding transformer will be belonged to by explaining in detail explanation in CIM tree topologies
Transformer Winding branch road is merged into the process of wall scroll transformer branch.
1st, enumerate to obtain the transformer set S that all transformer dummy nodes in CIM topological structures are formedt。
2nd, to set StIn each element t perform following operation：
2.1st, traversal obtains two Transformer Winding branch being connected with transformer dummy node t in former CIM topological structures
Road.
2.2nd, the various parameters information after the two Transformer Winding branch roads just found merge is calculated.
2.3rd, corresponding parametric values are assigned to generating a branch road side gusset in two Transformer Winding branch roads.
2.4th, two Transformer Winding branch roads and transformer dummy node t are deleted.
As shown in figure 4, a kind of power distribution network Area Node network generation system, including：
Module 100 is built, for building CIM tree topologies.
Electrical structure acquisition module 200, for the virtual tributary in CIM tree topologies to be eliminated, and CIM is tree-shaped
The Transformer Winding branch road for belonging to same two-winding transformer in topological structure is merged into wall scroll transformer branch, obtains electrically tree
Shape topological structure.
Area Node acquisition module 300, for the switching branches in CIM tree topologies, opened up electrically tree-shaped
Segmentation of structures is flutterred into multiple separate regions, and each as individual node, multiple region sections will be obtained in separate region
Point.
Area Node Network Capture module 400, for recovering annexation of the switching branches between multiple Area Nodes, obtain
Obtain Area Node network.
Power distribution network Area Node network of the present invention generates system, and structure module 100 builds CIM tree topologies, electrically
Structure acquisition module 200 eliminates the virtual tributary in CIM tree topologies, and the change that will belong to same two-winding transformer
Depressor winding branch road is merged into wall scroll transformer branch, obtains electric tree topology, the basis of Area Node acquisition module 300
Switching branches, electric tree topology is divided into multiple separate regions, and each will be used as list in separate region
Individual node, obtains multiple Area Nodes, and Area Node Network Capture module 400 recovers switching branches between multiple Area Nodes
Annexation, obtain Area Node network.In whole process, based on CIM, by CIM topological sums electric topology two
The contraction of individual aspect obtains Area Node network, obtains highly simplified Area Node network, and the Area Node network obtained
Contribution of the middle internal unit to distribution network reliability is identical, can not influence to greatly reduce meter while distribution network reliability calculates
Calculation scale, improve computational efficiency.
As shown in figure 5, in one of the embodiments, Area Node Network Capture module 400 includes：
Electrical node acquiring unit 420, for obtaining the electrical node at every switching branches both ends respectively.
Recognition unit 440, for identifying every affiliated connected subgraph of switching branches both ends electrical node.
Searching unit 460, for searching connection belonging to every switching branches both ends electrical node in multiple Area Nodes
The Area Node of subgraph.
Area Node Network Capture unit 480, for the Area Node arrived by corresponding switching branches connection and locating, obtain
Obtain Area Node network.
As shown in figure 5, in one of the embodiments, structure module 100 includes：
Master pattern acquiring unit 120, for obtaining the standard CIM of distribution feeder
Construction unit 140, for the standard CIM of distribution feeder to be mapped into CIM tree topologies.
In one of the embodiments, CIM tree topologies include contact node and terminal node；
Electrical structure acquisition module 200 includes：
First Traversal Unit, for traveling through CIM tree topologies, obtain the contact node in CIM tree topologies
First repeat unit, using each contact node as research object, control such as lower unit carries out corresponding operating respectively.
Virtual tributary searching unit, for searching the virtual tributary being connected with single contact node, obtain virtual tributary collection
Close.
Virtual tributary terminal node acquiring unit, for recording the terminal of every virtual tributary offside in virtual tributary set
Node, obtain virtual tributary terminal node set.；
First deletes unit, for deleting the virtual tributary in virtual tributary set.
Unit is changed, for being with list by the leg modifications using terminal node in virtual tributary terminal node set as end points
Individual contact node is corresponding end points, and deletes the terminal node changed.
In one of the embodiments, electrical structure acquisition module 200 also includes：
Transformer dummy node acquiring unit, for according to CIM tree topologies, enumerating to obtain CIM tree topology knots
Transformer dummy node in structure.
Second repeat unit, for using single transformer dummy node as research object, control such as lower unit to be carried out respectively
Corresponding operating.
Second Traversal Unit, for traveling through CIM tree topologies, obtain two and be connected with single transformer dummy node
Transformer Winding branch road.
Parameter calculation unit, for calculating the parameter information after two Transformer Winding branch roads merge.
Parameter given unit, in two Transformer Winding branch roads generating wall scroll branch road side gusset, and according to ginseng
Number information is assigned to wall scroll branch road corresponding parametric values.
Second deletes unit, for deleting two Transformer Winding branch roads and single transformer dummy node.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of power distribution network Area Node network generation method, it is characterised in that including step：
CIM tree topologies are built, wherein, the CIM tree topologies include virtual tributary and switching branches；
The virtual tributary is eliminated, and the transformer that same two-winding transformer will be belonged in the CIM tree topologies
Winding branch road is merged into wall scroll transformer branch, obtains electric tree topology；
According to the switching branches, the electrically tree topology is divided into multiple separate regions, and by each institute
Separate region is stated as individual node, obtains multiple Area Nodes；
Recover annexation of the switching branches between the multiple Area Node, obtain Area Node network；
The annexation for recovering the switching branches between the multiple Area Node, the step of obtaining Area Node network
Including：
The electrical node at every switching branches both ends is obtained respectively；
Identify every affiliated connected subgraph of switching branches both ends electrical node；
The region section of every affiliated connected subgraph of switching branches both ends electrical node is searched in the multiple Area Node
Point；
The Area Node arrived by the corresponding switching branches connection and locating, obtains Area Node network.
2. power distribution network Area Node network generation method according to claim 1, it is characterised in that the structure CIM trees
The step of shape topological structure, includes：
Obtain the standard CIM of distribution feeder；
The standard CIM of the distribution feeder is mapped to CIM tree topologies.
3. power distribution network Area Node network generation method according to claim 1 or 2, it is characterised in that the CIM is tree-shaped
Topological structure also includes contact node and terminal node；
Described the step of eliminating the virtual tributary, includes：
The CIM tree topologies are traveled through, obtain the contact node in the CIM tree topologies；
Using each contact node as research object, proceed as follows respectively；
The virtual tributary being connected with the single contact node is searched, obtains virtual tributary set；
The terminal node of every virtual tributary offside in the virtual tributary set is recorded, obtains virtual tributary terminal
Node set；
Delete the virtual tributary in the virtual tributary set；
To be the leg modifications of end points for the single institute using terminal node described in the virtual tributary terminal node set
It is corresponding end points to state contact node, and deletes the terminal node changed.
4. power distribution network Area Node network generation method according to claim 1 or 2, it is characterised in that described by described in
The Transformer Winding branch road for belonging to same two-winding transformer in CIM tree topologies is merged into the step of wall scroll transformer branch
Suddenly include：
According to the CIM tree topologies, enumerate to obtain transformer dummy node in the CIM tree topologies；
Using the single transformer dummy node as research object, proceed as follows respectively；
The CIM tree topologies are traveled through, obtain two transformers being connected with the single transformer dummy node
Winding branch road；
Calculate the parameter information after two Transformer Winding branch roads merge；
In two Transformer Winding branch roads generating wall scroll branch road side gusset, and according to being assigned to the parameter information
Wall scroll branch road corresponding parametric values；
Delete two Transformer Winding branch roads and the single transformer dummy node.
5. a kind of power distribution network Area Node network generates system, it is characterised in that including：
Module is built, for building CIM tree topologies, wherein, the CIM tree topologies include virtual tributary and opened
Close branch road；
Electrical structure acquisition module, for the virtual tributary to be eliminated, and it will belong to same in the CIM tree topologies
The Transformer Winding branch road of two-winding transformer is merged into wall scroll transformer branch, obtains electric tree topology；
Area Node acquisition module, for according to the switching branches, the electrically tree topology to be divided into multiple phases
Mutual isolated area, and each region independently of each other as individual node, is obtained into multiple Area Nodes；
Area Node Network Capture module, for recovering annexation of the switching branches between the multiple Area Node,
Obtain Area Node network；
The Area Node Network Capture module includes：
Electrical node acquiring unit, for obtaining the electrical node at every switching branches both ends respectively；
Recognition unit, for identifying every affiliated connected subgraph of switching branches both ends electrical node；
Searching unit, for searching connection belonging to every switching branches both ends electrical node in the multiple Area Node
The Area Node of subgraph；
Area Node Network Capture unit, for the Area Node arrived by the corresponding switching branches connection and locating, obtain
Area Node network.
6. power distribution network Area Node network according to claim 5 generates system, it is characterised in that the structure module bag
Include：
Master pattern acquiring unit, for obtaining the standard CIM of distribution feeder；
Construction unit, for the standard CIM of the distribution feeder to be mapped into CIM tree topologies.
7. the power distribution network Area Node network generation system according to claim 5 or 6, it is characterised in that the CIM is tree-shaped
Topological structure also includes contact node and terminal node；
The electrical structure acquisition module includes：
First Traversal Unit, for traveling through the CIM tree topologies, obtain the contact in the CIM tree topologies
Node；
First repeat unit, using each contact node as research object, control such as lower unit carries out corresponding operating respectively；
Virtual tributary searching unit, for searching the virtual tributary being connected with the single contact node, obtain virtual branch
Gather on road；
Virtual tributary terminal node acquiring unit, for recording in the virtual tributary set every virtual tributary offside
The terminal node, obtain virtual tributary terminal node set；
First deletes unit, for deleting the virtual tributary in the virtual tributary set；
Unit is changed, for that will be using leg modifications of the terminal node as end points described in the virtual tributary terminal node set
Using the single contact node as corresponding end points, and delete the terminal node changed.
8. the power distribution network Area Node network generation system according to claim 5 or 6, it is characterised in that the electrically knot
Structure acquisition module also includes：
Transformer dummy node acquiring unit, for according to the CIM tree topologies, enumerating to obtain, the CIM is tree-shaped to be opened up
Flutter transformer dummy node in structure；
Second repeat unit, for using the single transformer dummy node as research object, control such as lower unit to be carried out respectively
Corresponding operating；
Second Traversal Unit, for traveling through the CIM tree topologies, acquisition two is virtual with the single transformer
The connected Transformer Winding branch road of node；
Parameter calculation unit, for calculating the parameter information after two Transformer Winding branch roads merge；
Parameter given unit, in two Transformer Winding branch roads generating wall scroll branch road side gusset, and according to institute
State parameter information and be assigned to the wall scroll branch road corresponding parametric values；
Second deletes unit, for deleting two Transformer Winding branch roads and the single transformer dummy node.
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| CN108809683B (en) * | 2017-05-04 | 2022-07-15 | 中兴通讯股份有限公司 | Method and device for deploying cloud application system |
| CN107229595B (en) * | 2017-05-10 | 2020-11-03 | 广西大学 | Power grid real-time robust state estimation method based on SOA (service oriented architecture) |
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| WO2020261452A1 (en) * | 2019-06-26 | 2020-12-30 | 日本電信電話株式会社 | Reliability estimation system and reliability estimation method |
| CN111428376A (en) * | 2020-03-31 | 2020-07-17 | 贵州电网有限责任公司 | CIM (common information model) -based power distribution network feeder contact mode identification method and system |
| CN111725803B (en) * | 2020-06-04 | 2022-03-25 | 海仿(上海)科技有限公司 | Method and device for optimizing power grid switch combination |
| CN112952821B (en) * | 2021-03-24 | 2022-09-27 | 国网北京市电力公司 | Power distribution network stability evaluation system and method, terminal device and readable storage medium |
| CN115408196B (en) * | 2022-10-31 | 2023-03-24 | 国网四川省电力公司电力科学研究院 | High fault tolerance power grid fault diagnosis method and system |
| CN117874984B (en) * | 2024-03-13 | 2024-05-28 | 武汉易晨创想科技有限公司 | CIM model-based distribution network topology graph generation method and device |
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