CN106776750A - A kind of power distribution network digitlization prediction scheme system of graphic and model integration - Google Patents
A kind of power distribution network digitlization prediction scheme system of graphic and model integration Download PDFInfo
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- CN106776750A CN106776750A CN201611031527.6A CN201611031527A CN106776750A CN 106776750 A CN106776750 A CN 106776750A CN 201611031527 A CN201611031527 A CN 201611031527A CN 106776750 A CN106776750 A CN 106776750A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
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Abstract
A kind of power distribution network the invention discloses graphic and model integration digitizes prediction scheme system, and the system includes：Power distribution network digitizes prediction scheme information support platform, and the power distribution network digitlization prediction scheme information support platform is used to provide power distribution network digitlization prediction scheme relevant information for digitlization prediction scheme automatic creation system；Digitlization prediction scheme automatic creation system, the digitlization prediction scheme automatic creation system is used to digitize prediction scheme relevant information based on power distribution network, automatically generate powered, guarantor's electricity, scheduled outage prediction scheme, and the prediction scheme to generating carries out feasibility check, preservation, inquiry, inversion procedure, prediction scheme analysis that is powered, protecting electricity, scheduled outage is realized；The feasibility of prediction scheme is checked, the function such as preservation, inquiry, inverting prediction scheme, improves the level of IT application of power distribution network.
Description
Technical field
The present invention relates to power distribution network Digital Study field, in particular it relates to a kind of distribution network data of graphic and model integration
Change prediction scheme system.
Background technology
Power distribution network as power system important component, be unique part being directly connected with final electricity consumer.
The management and running of power distribution network directly affect the power supply reliability and power supply quality of user.With the hair of distribution automation
Exhibition, the existing significant progress of power distribution automation level.Possess and realizing power distribution network with monitoring control data collection (SCADA) basis
On realize Distribution Network Real-time Job management, integrate graphical information, maintenance application, protect the information such as electric application, operation plan,
Formed to power distribution network scheduler routine work all-the-way tracking, information sharing and management automation.
In order to embody the policy of power generation " Safety first, precaution crucial " in the daily management mission of dispatcher, adjust
Degree department can make substantial amounts of power failure, protect the prediction scheme analysis of electricity.Need to propose different " making to measure " for different users
Scheme, protecting electric scheme will propose effective measures according to the features such as the property of user, rank, attribute.It is this to be referred to as prediction scheme, i.e.,
Root is it was predicted that the emergency disposal side formulated in advance the classification and influence degree of electric network fault that is potential or may occurring
Case.The analysis of these prediction schemes is main made to important customer power supply, the dead electricity of power supply point, important transmission line of electricity accident treatment pre-
Case treatment.
At present, because the equipment of distribution is more, contain much information, wiring is flexible, mode changes the features such as greatly, the system of these prediction schemes
Surely the ruuning situation and substantial amounts of drawing, report messages with reference to distribution, operating experience and side by existing dispatcher are needed
Formula result of calculation etc. forms corresponding accident prediction, and framework and operation characteristic according to power network proposes targetedly various guarantors
Barrier measure.These prediction schemes are preserved using text prediction scheme or part electronics prediction scheme mode, and digitized degree is not high, and search inquiry is not square
Just, it is difficult modification to update, resource-sharing is poor.
In sum, present inventor has found above-mentioned technology extremely during the present application technical scheme is realized
There is following technical problem less：
In the prior art, existing power distribution network prediction scheme is formulated and has that digitized degree is not high, and search inquiry is inconvenient, no
Easily modification updates, the technical problem of resource-sharing difference.
The content of the invention
A kind of power distribution network the invention provides graphic and model integration digitizes prediction scheme system, solves existing power distribution network pre-
Case formulates that to there is digitized degree not high, and search inquiry is inconvenient, is difficult modification and updates, the technical problem of resource-sharing difference,
Realize that prediction scheme systemic-function is various, the level of informatization is higher, search is convenient, is easy to shared technique effect.
In order to solve the above technical problems, the power distribution network this application provides a kind of graphic and model integration digitizes prediction scheme system,
The system includes：
Power distribution network digitizes prediction scheme information support platform, and the power distribution network digitlization prediction scheme information support platform is used to be number
Word prediction scheme automatic creation system provides power distribution network digitlization prediction scheme relevant information；
Digitlization prediction scheme automatic creation system, the digitlization prediction scheme automatic creation system is used for based on power distribution network digitlization
Prediction scheme relevant information, automatically generate it is powered, protect electricity, scheduled outage prediction scheme, and to generate prediction scheme carry out feasibility check, protect
Deposit, inquire about, inversion procedure.
Preferably, stated as Distribution Network Equipment information graphic using opening form vector graphics SVG, carried out by with CIM
Association modeling, with VC as development platform, using OPENGL etc. as developer component, realizes based on CIM/SVG artwork one
The editor of Distribution Network Equipment information graphic, exploitation.Digitlization prediction scheme information support platform uses multi-tier systematic structure, by setting up
One data warehouse environment of good open, the business demand that adaptation is continuously increased and changes.Be broadly divided into mechanical floor,
Data Layer, application layer and represent layer.
1) mechanical floor：It is the external actual physics body of the power distribution network digitlization prediction scheme information support platform of graphic and model integration
It is existing, mainly include power distribution network primary equipment, data acquisition information, the acquisition of DAM, by network channel and data
Layer carries out information exchange.
2) data Layer：It is the high-volume database of the power distribution network digitlization prediction scheme information support platform of graphic and model integration.Collect
All kinds of offline and online information, are data sources that data analysis represents center number platform, and prediction scheme is integrated into by data
Formation provide data support.It carries out bidirectional data exchange by data/address bus and upper application layer.
3) application layer：It is the application function embodiment of the power distribution network digitlization prediction scheme of graphic and model integration, is broadly divided into figure tube
Reason, program management, file management.
4) represent layer：Representing for electronics prediction scheme is completed based on power network main wiring diagram, there is provided the path of prediction scheme, device parameter
Matter represents, can from it is overall and it is local carry out concentration displaying, and application layer carries out data exchange by data/address bus.
Preferably, graphics management.Its major function is to realize the primary connection circuit figure of distribution, transformer station's electric hookup
And the drafting and management of the combined electric equipment such as ring main unit.User can arbitrarily amplify, reduce figure, and realize different figures
The nesting of shape files, the information for needing is obtained so as to rapid.It is the basis of whole system.
Program management.Because distribution has substantial amounts of radiativity network, the maintenance of some circuits or bus or failure will draw
Play the power failure of the user that it is connected.For the ease of being analyzed to this, it can any set device running status, such as distribution
In transformer station and power plant decompression or stoppage in transit situation, using the band electroanalysis on graphical interfaces will search for its connection close
System, judges its running status (equipment operates to green, and it is red that equipment is stopped transport, and it is grey that equipment is not charged), so as to dynamic to it
State is coloured, and is given and is exited list of devices accordingly.The prediction scheme of the power supply plan of responsible consumer realizes it being to collect distribution artwork integrally
Change and the optimized algorithm of distribution reaches in the intelligent meter of one.
File management.It is mainly the sharing of the standardization and resource of realizing management.The inverting of prediction scheme is to generation
Prediction scheme step is from the demonstration for newly providing corresponding steps；The feasibility analysis of prediction scheme is mainly carries out physics to the generating process of prediction scheme
Check, the basic service condition of power network can be met.
Preferably, the digitlization prediction scheme automatic creation system is specifically included：
Graphics management unit, the graphics management unit is used to search for electric network wiring scheme, and carries out equipment addition, deletes dimension
Shield treatment；
Program management unit, the program management unit is used for：Carry out equipment state setting, carry out power supply point dead electricity point
The power supply plan management for analyse, carry out fault power loss analysis, carrying out responsible consumer；
File management unit, the file management unit is used for：The inverting for carrying out prediction scheme, the feasibility point for carrying out prediction scheme
The preservation for analysing, carrying out prediction scheme is, the search for carrying out prediction scheme.
Preferably, prediction scheme system is designed according to object-oriented, and distribution net equipment is divided into various species, a certain defining
During the attribute of class pel, the part attribute having in its parent is first inherited, the attribute that then self-defined its parent is not included；In advance
The interrelated relation that case system is set up between electrical equipment by device id, based on the integration of artwork storehouse, prediction scheme system can
Draw various wiring diagrams of the power system with connection implication.
Preferably, prediction scheme system can carry out topology search based on graphic and model integration；Prediction scheme system can be by associating
The figure connection state that system will be individually positioned in different graphic files concentrates analysis, and setting up it by incidence relation connects pass
System；The topological analysis of prediction scheme system includes two parts content：One is to carry out topological analysis foundation to the primary connection circuit figure of distribution
Its annexation, two is to carry out topological analysis to its transformer station, switchyard, ring main unit to set up its annexation, forms figure embedding
The Network topology result of set.
Preferably, prediction scheme system can carry out protecting the optimum choice of electric scheme, and the optimum choice for protecting electric scheme is to protecting electricity
Path between object and power supply scans for；It is that the optimal path tree that root is constructed is positive sequence tree to protect electric object, for
Power supply is that the optimal path tree of root construction is backward tree；During extension positive sequence tree, the node adjacent with node is its out-degree node,
The adjacent node of backward tree interior joint is its in-degree node；Respectively using shortest path, dynamic, the minimum network loss of minimal switches as optimization
Object function forms the selection of prioritization scheme.
Preferably, prediction scheme system can be analyzed to the electric power thus supplied of responsible consumer, formed and protect electric scheme, protect electric scheme
Formation specifically include：
The first step：Carry out the setting of prediction scheme system operation mode；Second step：The figure for carrying out faulty equipment is specified；3rd
Step：The figure for protect electric load is specified；4th step：The figure for carrying out power supply offer point is specified；5th step：It is powered path
Automatic search generation；6th step：It is powered the automatic Check in path；7th step：It is powered the inverting in path；8th
Step：Carry out the formation of prediction scheme password；9th step：Carry out the preservation of prediction scheme.
Preferably, the automatic search of the 5th step supply path presses dynamic, the minimum network loss of shortest path, minimal switches as optimization
Object function selection is realized；The automatic Check of the 6th step supply path is checked by the capacity and state of equipment；To what is formed
Protect electric scheme and meet following constraints：(1) trend constraint of power distribution network；(2) node voltage, restriction of current；(3) equipment state
Constraint.
Distribution net equipment is divided into generating by the distribution prediction scheme system of graphic and model integration according to object-oriented programming method
Machine class, bus class, breaker class, circuit class, external system class, transformer's type, disconnecting link class etc..Defining the category of a certain class pel
During property, some attributes having in its parent are first inherited, then oneself define the attribute that its parent is not included.One complete
Distribution net equipment model includes physical attribute, operation attribute and layer properties.Physical attribute is equipment nameplate ginseng intrinsic in itself
The attribute such as number and goods and materials.Operation attribute refers to the attribute that equipment is produced after putting into or exiting power network.Layer properties refers to set
The graphic file at standby place and the corresponding topological relation set up, can be set up on different graphic file by the layer properties of equipment
Incidence relation between equipment.System sets up the interrelated relation between electrical equipment by device id.Based on artwork storehouse
Integrated technique, system can easily draw with connection implication power system various wiring diagrams, such as system main wiring diagram,
System load flow figure, stand interior tidal current chart, system construction drawing etc..
Topology search based on graphic and model integration.Distribution topological analysis is the equipment live analysis of prediction scheme, protects electric scheme etc.
The basis of function.The effect of topological analysis is mainly foundation on off state and network element state by network physical node model
It is that calculating bus model and the bus set that will have electrical link turn to electrical island.Due to the complexity of urban distribution network, one
The mode of connection that can not possibly at large including the switch inside transformer station, switchyard, ring main unit etc. in secondary main wiring diagram, but these
Switch, the change of the state of breaker can influence the change of the mode of connection of whole network.In order at large describe distribution information,
The figure connection state that system be able to will be individually positioned in different graphic files by incidence relation puts together analysis, passes through
Incidence relation sets up its annexation, both the primary connection figure including distribution, also the specific annexation figure including equipment.This is
The topological analysis of system includes two parts content：One is to carry out topological analysis to the primary connection circuit figure of distribution to set up its connection pass
System, two is to carry out topological analysis to its transformer station, switchyard, ring main unit etc. to set up its annexation.Can finally figure be formed embedding
The Network topology result of set, i.e., including the topological analysis of the whole network model.
Protect the optimum choice of electric scheme.The optimum choice for protecting electric scheme is to protecting the path between electric object and power supply
Scan for, farthest meet selection demand of the user to different paths.It is the optimal path that root is constructed to protect electric object
Tree is positive sequence tree, is that the optimal path tree that root is constructed is backward tree with power supply.During extension positive sequence tree, the section adjacent with node
Point is its out-degree node, and the adjacent node of backward tree interior joint is its in-degree node.Generation principle according to optimal path tree
Understand, it is necessary to preserve the out-degree and in-degree topological adjacency information of node simultaneously, to ensure the road that obtains after the node that crosses splices
Footpath is from the reachable path for protecting electric object to power supply point direction.Made with shortest path, dynamic, the minimum network loss of minimal switches respectively
The selection of prioritization scheme is formed for optimization object function.
One or more technical schemes that the application is provided, at least have the following technical effect that or advantage：
Realize prediction scheme analysis that is powered, protecting electricity, scheduled outage；The feasibility of prediction scheme is checked, and preservation, inquiry, inverting are pre-
The functions such as case, the power distribution network digitlization prediction scheme system of the graphic and model integration takes full advantage of the visualization technology for revealing of figure, carries
The level of IT application of power distribution network high, provides the searching route of prediction scheme simple and clearly, and with improving, dispatcher's work is accurate
The technique effect of property.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention；
Fig. 1 is the structural representation of power distribution network digitlization prediction scheme information support platform in the application；
Fig. 2 is the composition schematic diagram of digitlization prediction scheme automatic creation system in the application；
Fig. 3 is the electric schemes generation schematic flow sheet of guarantor in the application.
Specific embodiment
A kind of power distribution network the invention provides graphic and model integration digitizes prediction scheme system, solves existing power distribution network pre-
Case formulates that to there is digitized degree not high, and search inquiry is inconvenient, is difficult modification and updates, the technical problem of resource-sharing difference,
Realize that prediction scheme systemic-function is various, the level of informatization is higher, search is convenient, is easy to shared technique effect.
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting mutually, the application's
Feature in embodiment and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with the other modes in the range of using other being different from being described herein, therefore, protection scope of the present invention do not receive down
The limitation of specific embodiment disclosed in face.
Embodiment one：
In embodiment one, there is provided a kind of power distribution network digitlization prediction scheme system of graphic and model integration, including artwork is integrally
The data platform of change；The automatic creation system of digitlization prediction scheme on this basis.The data platform of graphic and model integration, it is both
The physical basis of power distribution network information integration, are also the technical foundation of power distribution network digitlization prediction scheme.Digitlization prediction scheme provides counterweight
Want customer power supply, the dead electricity of power supply point, the graphic representation and human-computer interaction interface of important transmission line of electricity accident treatment.
As shown in figure 1, the platform uses multi-tier systematic structure, mechanical floor is using the distribution based on CIM/SVG artwork one
The editor of net facility information figure, exploitation, realize the association of pattern data information.Data Layer realizes the interface and number of Various types of data
According to exchange, collect all kinds of online and offline data, the data interaction to levels is realized by data/address bus.Application layer realizes figure
The power distribution network of mould integration digitizes the various functions of prediction scheme.Represent layer is realized completing electronics prediction scheme based on power network main wiring diagram
Represent, there is provided the path of prediction scheme, device parameter property represents, can from it is overall and it is local carry out concentration displaying, and application layer passes through
Data/address bus carries out data exchange.
As shown in Fig. 2 the function of the power distribution network digitlization prediction scheme system of graphic and model integration includes：Graphics management, prediction scheme pipe
Reason, file management.The major function of wherein graphics management be realize the primary connection circuit figure of distribution, transformer station's electric hookup with
And the drafting and management of the combined electric equipment such as ring main unit.User can arbitrarily amplify, reduce figure, and realize different graphic
The nesting of file, the information for needing is obtained so as to rapid.It is the basis of whole system.Program management is in power distribution network
Be analyzed for the power failure of the user for causing it to be connected by the maintenance of a little circuits or bus or failure.It can any set device
The decompression or stoppage in transit situation of transformer station and power plant in running status, such as distribution, using the band electroanalysis on graphical interfaces
Its annexation will be searched for, its running status (it is grey that equipment is not charged) will be judged, so as to its dynamic coloring, and provide corresponding
Exit list of devices.The prediction scheme of the power supply plan of responsible consumer realizes it being the optimization calculation for collecting distribution graphic and model integration and distribution
Method reaches in the intelligent meter of one.File management is mainly the sharing of the standardization and resource of realizing management.The inverting of prediction scheme is
To the prediction scheme step that generates from the demonstration for newly providing corresponding steps；The feasibility analysis of prediction scheme is mainly the generating process to prediction scheme
Physics check is carried out, the basic service condition of power network can be met.
Topology search based on graphic and model integration is the basis that systemic-function is realized.The effect of topological analysis is mainly foundation
Network physical node model is turned to calculating bus model and will have the mother of electrical link by off state and network element state
Line set turns to electrical island.Due to the complexity of urban distribution network, can not possibly at large include in primary connection circuit figure transformer station,
The mode of connection of the switch inside switchyard, ring main unit etc., but these switches, the change of the state of breaker can influence whole net
The change of the mode of connection of network.In order at large describe distribution information, system can will be individually positioned in difference by incidence relation
Graphic file in figure connection state put together analysis, its annexation is set up by incidence relation, both including distribution
Primary connection figure, the also specific annexation figure including equipment.The topological analysis of the system includes two parts content：One is right
The primary connection circuit figure of distribution carries out topological analysis and sets up its annexation, and two is that its transformer station, switchyard, ring main unit etc. are entered
Row topological analysis sets up its annexation.The nested Network topology result of figure can be finally formed, i.e., including the whole network model
Topological analysis.
As shown in figure 3, generally the electric power thus supplied of responsible consumer is analyzed in prediction scheme analysis, to ensure electricity consumption
Reliability.The formation for protecting electric scheme includes：1st, the setting of system operation mode；2nd, the figure of faulty equipment is specified；3rd, electricity is protected negative
The figure of lotus is specified；4th, the figure of power supply offer point is specified；5th, the automatic search generation of supply path；6th, supply path is automatic
Check；7th, the inverting of supply path；8th, the formation of prediction scheme password；9th, the preservation of prediction scheme.Wherein：5th step supply path it is automatic
Search can be selected to realize by shortest path, dynamic, the minimum network loss of minimal switches as optimization object function.6th step supply path
Automatic Check be mainly and checked by the capacity and state of equipment.Guarantor's electricity scheme to being formed should meet following constraint bar
Part：(1) trend constraint of power distribution network；(2) node voltage, restriction of current；(3) constraint of equipment state.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage：
One or more technical schemes that the application is provided, at least have the following technical effect that or advantage：
Realize prediction scheme analysis that is powered, protecting electricity, scheduled outage；The feasibility of prediction scheme is checked, and preservation, inquiry, inverting are pre-
The functions such as case, the power distribution network digitlization prediction scheme system of the graphic and model integration takes full advantage of the visualization technology for revealing of figure, carries
The level of IT application of power distribution network high, provides the searching route of prediction scheme simple and clearly, and with improving, dispatcher's work is accurate
The technique effect of property.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of power distribution network of graphic and model integration digitizes prediction scheme system, it is characterised in that the system includes：
Power distribution network digitizes prediction scheme information support platform, and the power distribution network digitlization prediction scheme information support platform is used to be digitlization
Prediction scheme automatic creation system provides power distribution network digitlization prediction scheme relevant information；
Digitlization prediction scheme automatic creation system, the digitlization prediction scheme automatic creation system is used to digitize prediction scheme based on power distribution network
Relevant information, automatically generate it is powered, protect electricity, scheduled outage prediction scheme, and prediction scheme to generating carries out feasibility check, preserves, looks into
Inquiry, inversion procedure.
2. the power distribution network of graphic and model integration according to claim 1 digitizes prediction scheme system, it is characterised in that the distribution
Network data prediction scheme information support platform is stated using opening file format vector graphics SVG as Distribution Network Equipment information graphic,
Edlin, exploitation are entered to Distribution Network Equipment information graphic based on CIM/SVG artworks one；Digitlization prediction scheme information support platform bag
Include：Mechanical floor, data Layer, application layer and represent layer.
3. the power distribution network of graphic and model integration according to claim 2 digitizes prediction scheme system, it is characterised in that：
Mechanical floor is that the external actual physics of power distribution network digitlization prediction scheme information support platform embody, and mechanical floor is used for power distribution network one
Secondary device, data acquisition information, the acquisition of DAM, information exchange is carried out by network channel and data Layer；
Data Layer is the database that power distribution network digitizes prediction scheme information support platform, and data Layer collects all kinds of offline and online letter
Breath, data Layer carries out bidirectional data exchange by data/address bus and upper application layer；
Application layer is that the application function of power distribution network digitlization prediction scheme embodies, and application layer is used to carry out graphics management, program management, text
Part is managed；
Represent layer is to complete representing for electronics prediction scheme based on power network main wiring diagram, there is provided the path of prediction scheme, device parameter property list
Show, represent layer carries out data exchange with application layer by data/address bus.
4. the power distribution network of graphic and model integration according to claim 3 digitizes prediction scheme system, it is characterised in that：
Graphics management is the drafting and management of the combined electric equipment for realizing distribution, and user can amplify, reduce figure, and realize
The nesting of different graphic file；
Program management is the running status of set device, is closed using the band electroanalysis search set device connection on graphical interfaces
System, judges set device running status, so as to set device dynamic coloring, and is given and exits list of devices accordingly.
5. the power distribution network of graphic and model integration according to claim 1 digitizes prediction scheme system, it is characterised in that the numeral
Change prediction scheme automatic creation system to specifically include：
Graphics management unit, the graphics management unit is used to search for electric network wiring scheme, and carries out equipment addition, deletes at maintenance
Reason；
Program management unit, the program management unit is used for：Equipment state setting is carried out, power supply point power loss analysis is carried out, is entered
The power loss analysis of row fault, the power supply plan management for carrying out responsible consumer；
File management unit, the file management unit is used for：The inverting of prediction scheme is carried out, the feasibility analysis of prediction scheme is carried out, is entered
The preservation of row prediction scheme, the search for carrying out prediction scheme.
6. the power distribution network of graphic and model integration according to claim 2 digitizes prediction scheme system, it is characterised in that prediction scheme system
It is designed according to object-oriented, distribution net equipment is divided into various species, when the attribute of a certain class pel is defined, first inherits it
The part attribute having in parent, the attribute that then self-defined its parent is not included；Prediction scheme system sets up electricity by device id
Interrelated relation between gas equipment, based on the integration of artwork storehouse, prediction scheme system can draw the electric power with connection implication
Various wiring diagrams of system.
7. the power distribution network of graphic and model integration according to claim 2 digitizes prediction scheme system, it is characterised in that prediction scheme system
Topology search can be carried out based on graphic and model integration；Prediction scheme system can will be individually positioned in different figures by incidence relation
Figure connection state in file concentrates analysis, and annexation between graphic file is set up by incidence relation；Prediction scheme system
Topological analysis includes two parts content：One is to carry out topological analysis to the primary connection circuit figure of distribution to set up its annexation, two
It is to carry out topological analysis to its transformer station, switchyard, ring main unit to set up its annexation, forms figure nested network topology point
Analysis result.
8. the power distribution network of graphic and model integration according to claim 1 digitizes prediction scheme system, it is characterised in that prediction scheme system
The optimum choice of electric scheme can be carried out protecting, the optimum choice for protecting electric scheme is to protecting the path between electric object and power supply
Scan for；It is that the optimal path tree that root is constructed is positive sequence tree to protect electric object, is the optimal path that root is constructed with power supply
It is backward tree to set；During extension positive sequence tree, the node adjacent with node is its out-degree node, and the adjacent node of backward tree interior joint is
Its in-degree node；Form the choosing of prioritization scheme as optimization object function using shortest path, dynamic, the minimum network loss of minimal switches respectively
Select.
9. the power distribution network of graphic and model integration according to claim 1 digitizes prediction scheme system, it is characterised in that prediction scheme system
The electric power thus supplied of responsible consumer can be analyzed, be formed and protect electric scheme, the formation for protecting electric scheme is specifically included：
The first step：Carry out the setting of prediction scheme system operation mode；Second step：The figure for carrying out faulty equipment is specified；3rd step：Enter
The figure that row protects electric load is specified；4th step：The figure for carrying out power supply offer point is specified；5th step：Be powered path from
Dynamic search generation；6th step：It is powered the automatic Check in path；7th step：It is powered the inverting in path；8th step：Enter
The formation of row prediction scheme password；9th step：Carry out the preservation of prediction scheme.
10. the power distribution network of graphic and model integration according to claim 9 digitizes prediction scheme system, it is characterised in that the 5th step is supplied
The automatic search of power path is pressed dynamic, the minimum network loss of shortest path, minimal switches and selects to realize as optimization object function；6th step
The automatic Check of supply path is checked by the capacity and state of equipment；Guarantor's electricity scheme to being formed meets following constraint bar
Part：(1) trend constraint of power distribution network；(2) node voltage, restriction of current；(3) constraint of equipment state.
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| CN201611031527.6A CN106776750B (en) | 2016-11-18 | 2016-11-18 | Graph-mode integrated digital preplan system for power distribution network |
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| CN201611031527.6A CN106776750B (en) | 2016-11-18 | 2016-11-18 | Graph-mode integrated digital preplan system for power distribution network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108242854A (en) * | 2018-03-05 | 2018-07-03 | 国网江苏省电力有限公司无锡供电分公司 | A kind of the monitoring method and monitoring system of distribution network automated equipment operation |
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