CN109272136A - A kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm - Google Patents
A kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm Download PDFInfo
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- CN109272136A CN109272136A CN201810730080.4A CN201810730080A CN109272136A CN 109272136 A CN109272136 A CN 109272136A CN 201810730080 A CN201810730080 A CN 201810730080A CN 109272136 A CN109272136 A CN 109272136A
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Abstract
The invention discloses the virtual terminals of intelligent substation information flow layout methods that a kind of improvement power leads algorithm, are related to the multi-source data association analysis for intelligent substation, diagram data visualization and visualization analysis technique, comprising: S1 parses SCD file；S2, information flow and the network modeling of virtual terminator；S3 forms node table and branch connection table；S4 leads the layout that algorithm carries out IED according to power；S5, connecting line autoplacement are optimized and revised.The present invention is capable of the IED of intelligent substation whole station to double bus scheme and its connection relationship carries out automatic visual layout, and layout speed is fast, and layout is beautiful；Algorithm is led using power is improved, so that layout more meets the characteristics of being accustomed to using operation maintenance personnel, remaining double bus scheme, can more preferably embody the various features of double bus scheme intelligent transformer substation information stream；It is easy the characteristics of disclosing the IED and relevant connection relationship of double bus scheme form, convenient for finding the feature of virtual terminator information flow.
Description
Technical field
The present invention relates to multi-source data association analysis, diagram data visualization and the visual analyzing skills for intelligent substation
A kind of art, and in particular to virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm.
Background technique
At present virtual terminals of intelligent substation information flow visualization mainly around IED itself related virtual terminator information or
Every related virtual terminator information visualized, and it is inadequate for the displaying of the virtual terminator connection relation information stream between whole station IED
It is comprehensively and intuitive.Intelligent transformer substation information stream virtual terminator visualization according to different purposes its realize mode also there are many, show
Show that mode is also different.Simultaneously in visual layout's method, currently used method is based primarily upon manual layout or interval
Layout type.Typical two kinds of virtual terminator visualization systems include:
1, the virtual terminator information flow visualization system based on single IED.This virtual terminator information visualization connection is with certain
A IED equipment is that object as a whole by entire IED is arranged in centre, the left side show associated input IED and
Link information, the right show associated IED and its link information.Detailed virtual terminator link information is then used relatively in detail
Point-to-point connection display mode to express connection relationship.Connection visualization interface is as shown in Figure 1, the right is some protection IED
With the connection relationship in relation to combining unit intelligent terminal, the left side is the specific virtual terminator connection figure of some control block.
2, the virtual terminator information flow visualization system based on interval.Such virtual terminator information flow visualization system is with typical case
Based on electrical separation, some interval is shown in the way of similar visio flow chart, such as route or each IED at main transformer interval
Connection relationship, mainly shows IED equipment room virtual terminator information connection with I/O mode, and virtual terminator connection visualization is shown
It is intended to as shown in Fig. 2.
Both modes are all that part is shown, and cannot embody all IED of whole station and its connection relationship, and layout is also
Fixed layout type, visualizes, aforesaid way if necessary to IED all to whole station and its virtual terminator relationship of connection
It is difficult to realize.
Therefore, the visual major defect of existing virtual terminator information flow connection includes:
1, the information of existing virtual terminator connection method for visualizing shows that integrality is inadequate.Either single IED, or
Every display, virtual terminator information flow, which connects it and shows, is related to part less IED and its connection relationship, and an intelligent power transformation
The IED to stand is likely to be breached up to a hundred, and more than 500 connections of connection relationship, related direct relationship has subsequent visualization analysis
Good practical value.
2, the information show levels of existing virtual terminator connection method for visualizing are inadequate, it is difficult to show each electricity of entirely standing
Press the connection feature and mutual connection feature of grade.In addition, using duplicate system retrofit for the part 220kV, it is also difficult to
Show the feature and connection relationship of double set configurations.Connection relationship feature between different IED is also difficult to embody.
3, existing virtual terminator information connection visualization can not achieve the layout of the automatic visualization based on whole station.Due to only adopting
With single IED or some interval, it is related to less IED and connection, so its layout is relatively fixed, it is also very simple.For complete
A IED up to a hundred to stand are shown that then connection relationship can be in a mess using fixed layout type, cannot embody the company of each IED very well
Connect relationship and connection feature.
Relational language is explained are as follows:
Intelligent substation smartsubstation, use is advanced, reliable, integrated, low-carbon, environmental protection smart machine, with complete
Stand information digitalization, communications platform is standardized as basic demand, be automatically performed information collection, measurement, control, protection, metering and
The basic functions such as monitoring, power grid automatically controls in real time, intelligence adjustings, on-line analysis decision, cooperates with the change for the Premium Features such as interacting
Power station.
Intelligent electronic device IntelligentElectronic Device, referred to as IED include one or more processing
Device can receive the data from external source, or send data, or the device controlled to outside, such as: multifunction electronic instrument
Table, numerical protection, controller etc..With certain logic contact behavior in one or more specific environments and to be limited by its interface
Device.
Whole station system configuration file SubstationConfigurationDescription, referred to as SCD file, Ying Quan
It stands unique, this document describes communication configuration and transforming plant primary between the exemplary configuration and messaging parameter, IED of all IED
System structure, by the system integration, manufacturer is completed.SCD file should include version modification information, be expressly recited modification time, revision
The contents such as this number.
Virtual terminator Virtualterminal delivers multichannel in an optical cable of intelligent substation in the form of message
Signal, each of these road signal can be regarded as, then these signal link quilts corresponding with the cable of conventional stations terminal block
Image is known as virtual terminator.
Power leads algorithm Forcedalgorithm, and power is led algorithm and referred to through the calculating to each node, calculates gravitation and row
The comprehensive resultant force of repulsion, then thus come the position of mobile node with joint efforts.
Information flow InformationFlow, the group information on room and time into same direction motion process, it
Have the recipient of common information source and information, i.e., the collection for all information transmitted from an information source to another unit
It closes.
Visualization is visualized, visualization is using computer graphics and image processing techniques, by data conversion
It is shown on the screen at figure or image, then interacts the theory of processing, methods and techniques.
Summary of the invention
The technical problem to be solved by the present invention is to big involved in the intelligent substation SCD file for double bus scheme
The problem of measuring the automatic visualization layout of the virtual terminator information flow connection between IED and IED is, and it is an object of the present invention to provide a kind of improvement
Power leads the virtual terminals of intelligent substation information flow layout method of algorithm, solves the above problems.
The present invention is achieved through the following technical solutions:
A kind of power of improving leads the virtual terminals of intelligent substation information flow layout method of algorithm, including SCD file, further include with
Lower information flow layout method:
S1 parses SCD file；
S2, information flow and the network modeling of virtual terminator；
S3 forms node table and branch connection table；
S4 leads the layout that algorithm carries out IED according to improved power；
S5, connecting line autoplacement are optimized and revised.The S1, the parsing of SCD file: using the SCD file solution having had
SCD file can be exported and generate Excel file, export each IED table, described comprising IED and IED by analysis tool；Each information flow
Table, including source IED, receive IED, Type etc..
The S2, information flow and the network modeling of virtual terminator, including whole station information flow visualize modeling, for
IED is thought of as node, and association attributes are arranged to IED node, in order to be used in placement algorithm and subsequent analysis.
Virtual terminator connection between IED is thought of as the link of node, and considers SV information flow, such as voltage, electric current, Goose information flow,
Such as on-off model, breaker tripping and closing signal, connection block signal, measurement and control signal, abnormality alarming signal etc., can effectively classify exhibition
Show.
The S4, it includes six steps: random distribution start node position that power, which leads algorithm mainly,；Calculate each iteration part
Unit displacement caused by repulsion between node two-by-two in region；The gravitation for calculating each iteration each edge produces two end nodes
Raw unit displacement；The repulsion of above-mentioned two step and gravitational coefficients are directly influenced to the ideal effect of most final state, it is between node
Distance, node it is related in the mean unit region of system region, need developer constantly to adjust in practice；It is tired
Add the unit displacement by all nodes being calculated；Iteration n times, until reaching ideal effect.
The S5, layout optimization adjustment, which refers to, removes isolated point, and the isolated point refers to not to be connected with other nodes
Node.
By above-mentioned steps, virtual terminator information flow can be abstracted as on the basis of parsing SCD virtual terminator information flow
Improvement power lead algorithm application node-chained list, and by setting association attributes, realize optimization visualization automation cloth
Office.The IED and its connection relationship for capableing of intelligent substation whole station to double bus scheme carry out automatic visual layout, layout
As a result the advantages of power leads algorithm layout is remained, layout speed is fast, and layout is beautiful.
Further, the specific execution step in the S2 includes: S21, according to IED device type, voltage class, producer
Information sets a property to each IED being recorded in SCD file；S22, the Goose letter according to connection relationship between characterization IED
Number, SV signal, mms signal set a property to each IED being recorded in SCD file.It is main to consider three kinds for IED node
Attribute, first according to node IED device type: protection, observing and controlling, combining unit, intelligent terminal, other.Second according to voltage etc.
Grade classification: 110kV, 220kV, 10kV, main transformer node；If third obtains company-information, can be shown according to Vendor-Type, this
Sample can analyze the connection between different manufacturers, mated condition.For the connection between IED, fundamental type can be passed according to signal
Defeated type considers, such as Goose signal, SV signal, mms signal；It secondly can be according to concrete signal type for SV and Goose
Subdivision, as SV can be divided into voltage signal, current signal, combination signal etc.；Goose is contemplated that remote signalling, such as position, alerts, and moves
Make signal etc., remote signal, trip signal, joins block signal.For the processing in later period, the setting of the attribute of IED node according to
An important factor for according to as input, selecting the maximum attribute of related coefficient to be control input quality, therefore, select above-mentioned attribute for
The statistical result of the maximum impact factor of statistical correlation coefficient during intelligent substation O&M.
Further, the message format of the node table in the S3 includes number, label, IED description, IED type, voltage
Grade, producer.The IED nodal information of intelligent substation can form similar net list, be carried out using figure topology visual
Change and shows.
Further, the S3, the message format of branch connection table include source node ID, the direction destination node ID, side volume
Number, branch name, default, weight, information type, signal type.The branch link information of the IED node of intelligent substation can be with shape
At similar net list, visualized using figure topology.
Further, the specific execution step of the S4 includes:
S41 reads the connection table for the single IED node that the S3 is formed one by one；
S42 individually shows the connection of the IED node disjoint of IED nodal community and connection attribute no more than 3,
It is not involved in iterative algorithm operation；Preliminary screening, which can be avoided, causes figure excessively at random.
The characteristics of S43, foundation double bus scheme, generate start node position；It is described according to IED, the IED of 220kV is put
Enter the upper left side region of figure, the IED of 110kV is put into bottom-left quadrant, and the IED of 35kV is put into lower right region, other IED
It is put into upper right side region.The characteristics of in view of double bus scheme, mainly connection concentrates on bus and main transformer, in order to make power selvage guide
The characteristics of office's algorithm final layout can embody double bus scheme, when generating start node position, by bus IED and main transformer
IED is set as relatively fixed node, and according to the position of double bus scheme mode generatrix IED and main transformer IED, other IED
Initial position is generated immediately according to voltage class subregion.
S44 judges whether node type is fixed node；Relatively fixed section is set by bus IED and main transformer IED
Certain iterative algorithm restricted area is arranged simultaneously for voltage class belonging to IED in point, so that layout can embody different electricity
Intermediate pressure section feature.Bus IED and main transformer IED are not involved in iterative calculation.
S45 calculates in each iteration regional area unit displacement caused by the repulsion between node two-by-two；Using following public affairs
Formula calculates:
Wherein: Fr is Coulomb force, and kr is coulomb force coefficient, and q1 is the quantity of electric charge of particle 1, and q2 is the quantity of electric charge of particle 2, r
For the distance between two particles.
S46 calculates the gravitation of each iteration each edge to unit displacement caused by two end nodes；Using following formula meter
It calculates:
Fs=ks(x-x0)
Wherein: Fs is gravitation, and ks is gravitational coefficients, and x is the length elongated or shortened when having deformation, when x0 is undeformed
Length.
S47, the unit displacement of the cumulative all nodes being calculated by repulsion gravitation；It is calculated using the following equation:
Δ x=Fr Δ t
Δ y=Fs Δ t
Wherein Δ t is step-length, and Fr is Coulomb force, and Fs is gravitation, and Δ x is lateral displacement, and Δ y is length travel.
S48, circulation execute S44 to S47, and cycle-index is jumped out when being greater than 1000 times；
S49 exports visualized graphs.
It is not strong that algorithm interactivity is led for existing power, the disadvantages of excessively dispersion for some control points, is proposed improved
Power leads algorithm.Judged and screened firstly, for IED node and connection, the connection for no IED, or only it is no more than 3
The independent connection of a IED is individually shown, iterative algorithm operation is not involved in, to avoid causing figure excessively at random.Its
It is secondary, it is contemplated that the characteristics of double bus scheme, mainly connection concentrates on bus and main transformer, in order to make power lead the final cloth of placement algorithm
The characteristics of office can embody double bus scheme, when being iterated calculating, sets relatively solid for bus IED and main transformer IED
Determine node, simultaneously for voltage class belonging to IED, certain iterative algorithm restricted area is set, so that layout can embody not
With voltage regime feature.When being iterated, fixed node is judged whether there is, is then carried out if not stationary nodes next
Step does not enter iterative calculation then if it is fixed node, while calculating the gravitation of different voltages grade and introducing different power
Weight, introduces gravity coefficient in node iterative process, avoids that layout is layouted and isolated at the edge of extensive meshed network,
To influence integral layout effect.Improvement power is led into algorithm and is used for virtual terminator information flow autoplacement, it is fixed using multidomain treat-ment
The improvement power of main node leads algorithm, so that automation layout can not only embody the advantages of power leads placement algorithm, and can
The characteristics of embodying double bus scheme, layout effect are more advantageous to analysis.Not only have the advantages that power leads algorithm, also remains double
The characteristics of bus wiring, can more preferably embody the various features of double bus scheme intelligent transformer substation information stream.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm of the present invention, can be to double-bus
The IED and its connection relationship of the intelligent substation whole station of wiring carry out automatic visual layout, and layout result remains power and leads
The advantages of algorithm is laid out, layout speed is fast, and layout is beautiful；
2, a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm of the present invention, is led using power is improved
Algorithm can more preferably embody double-bus and connect so that layout more meets the characteristics of being accustomed to using operation maintenance personnel, remaining double bus scheme
The various features of line intelligent transformer substation information stream；
3, a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm of the present invention is easy to disclose double female
The characteristics of IED and relevant connection relationship of line connection type, convenient for finding the feature of virtual terminator information flow.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of virtual terminator connection figure of the present invention；
Fig. 2 is virtual terminator of the present invention connection visualization schematic diagram；
Fig. 3 is the flow chart of an embodiment of the present invention；
Fig. 4 is that the improvement power of an embodiment of the present invention leads algorithm flow chart；
Fig. 5 is not lead the layout before algorithm using improvement power；
Fig. 6 is that the layout before algorithm is led using conventional force；
Fig. 7 leads the layout before algorithm using improvement power for an embodiment of the present invention；
Fig. 8 is the iteration change procedure that the sum of side length of algorithm is led using improvement power of an embodiment of the present invention；
Fig. 9 leads the gravitation of algorithm and the iteration change procedure of the sum of repulsion using improvement power for an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in figure 3, a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm of the present invention, including
SCD file further includes following information flow layout method: S1, parses SCD file；S2, the information flow and network of virtual terminator are built
Mould；S3 forms node table and branch connection table；S4 leads the layout that algorithm carries out IED according to power；S5, connecting line autoplacement
It optimizes and revises.
The parsing of SCD file: the S1 using the SCD file analytical tool having had, SCD file can be exported and be given birth to
At Excel file, each IED table is exported, is described comprising IED and IED；Each information flow table, including source IED, receive IED, Type
Deng.
The S2, information flow and the network modeling of virtual terminator, including whole station information flow visualize modeling, for
IED is thought of as node, and association attributes are arranged to IED node, in order to be used in placement algorithm and subsequent analysis.
Virtual terminator connection between IED is thought of as the link of node, and considers SV information flow, such as voltage, electric current, Goose information flow,
Such as on-off model, breaker tripping and closing signal, connection block signal, measurement and control signal, abnormality alarming signal etc., can effectively classify exhibition
Show.
The S4, it includes six steps: random distribution start node position that power, which leads algorithm mainly,；Calculate each iteration part
Unit displacement caused by repulsion between node two-by-two in region；The gravitation for calculating each iteration each edge produces two end nodes
Raw unit displacement；The repulsion of above-mentioned two step and gravitational coefficients are directly influenced to the ideal effect of most final state, it is between node
Distance, node it is related in the mean unit region of system region, need developer constantly to adjust in practice；It is tired
Add the unit displacement by all nodes being calculated；Iteration n times, until reaching ideal effect.
The S5, layout optimization adjustment, which refers to, removes isolated point, and the isolated point refers to not to be connected with other nodes
Node.
By above-mentioned steps, virtual terminator information flow can be abstracted as on the basis of parsing SCD virtual terminator information flow
Improvement power lead algorithm application node-chained list, and by setting association attributes, realize optimization visualization automation cloth
Office.The IED and its connection relationship for capableing of intelligent substation whole station to double bus scheme carry out automatic visual layout, layout
As a result the advantages of power leads algorithm layout is remained, layout speed is fast, and layout is beautiful.
Embodiment 2
The present embodiment is made that restriction further below on the basis of embodiment 1: the specific execution step in the S2
Include:
S21 belongs to each IED setting being recorded in SCD file according to IED device type, voltage class, company-information
Property；S22, Goose signal, SV signal, mms signal according to connection relationship between characterization IED are recorded in SCD file to each
In IED set a property.For IED node, main to consider three attribute, first according to node IED device type: protection is surveyed
Control, combining unit, intelligent terminal, other.Second classifies according to voltage class: 110kV, 220kV, 10kV, main transformer node；Third
It if obtaining company-information, can be shown according to Vendor-Type, can analyze the connection between different manufacturers in this way, cooperate feelings
Condition.For the connection between IED, fundamental type can consider according to signal transport-type, such as Goose signal, SV signal, mms letter
Number；Secondly SV and Goose can be segmented according to concrete signal type, as SV can be divided into voltage signal, current signal, combination
Signal etc.；Goose is contemplated that remote signalling, such as position, alarm, and action signal etc., remote signal, trip signal join block signal.
For the processing in later period, for the attribute installation warrants of IED node as input, selecting the maximum attribute of related coefficient is control
Therefore an important factor for input quality, selects above-mentioned attribute maximum for statistical correlation coefficient during intelligent substation O&M
The statistical result of impact factor.
The message format of node table in the S3 includes number, label, IED description, IED type, voltage class, factory
Family.The IED nodal information of intelligent substation can form similar net list, be visualized using figure topology,
The case of node table is as shown in table 1:
1 node table of table
| Number | Label (ied) | IED description | IED type | Voltage class | Producer |
| 0 | pzb1a | Main transformer protection | Protection | 220 | Nan Rui |
| 1 | pmx220a | Bus protection | Combining unit | 110 | Xu Ji |
The S3, the message format of branch connection table include source node ID, the direction destination node ID, side number, branch name,
Default, weight, information type, signal type.The branch link information of the IED node of intelligent substation can form similar net
Network table is visualized using figure topology, and the case of branch connection table is as shown in table 2:
2 branch table of table
As shown in figure 4, the specific execution step of the S4 includes:
S41 reads the connection table for the single IED node that the S3 is formed one by one；
S42 individually shows the connection of the IED node disjoint of IED nodal community and connection attribute no more than 3,
It is not involved in iterative algorithm operation；
The characteristics of S43, foundation double bus scheme, generate start node position；
S44 judges whether node type is fixed node；
S45 calculates in each iteration regional area unit displacement caused by the repulsion between node two-by-two；
S46 calculates the gravitation of each iteration each edge to unit displacement caused by two end nodes；
S47, the unit displacement of the cumulative all nodes being calculated by repulsion gravitation；
S48, circulation execute S44 to S47, and cycle-index is jumped out when being greater than 1000 times；
S49 exports visualized graphs.It is not strong that algorithm interactivity is led for existing power, and some control points are excessively divided
The disadvantages of dissipating, proposes that improved power leads algorithm.Judged and screened firstly, for IED node and connection, for no IED's
Connection, or the independent connection of only no more than 3 IED are individually shown, iterative algorithm operation is not involved in, to avoid
Cause figure excessively at random.Secondly, the characteristics of considering double bus scheme, mainly connection concentrates on bus and main transformer, in order to
So that power is led the characteristics of placement algorithm final layout embodies double bus scheme, when being iterated calculating, by bus IED and
Main transformer IED is set as relatively fixed node, and simultaneously for voltage class belonging to IED, certain iterative algorithm limitation is arranged
Area, so that layout can embody different voltages regional characteristics.When being iterated, fixed node is judged whether there is, if not
It is that stationary nodes then carry out in next step, not entering iterative calculation then if it is fixed node, while to different voltages grade
Gravitation, which calculates, introduces different weights, introduces gravity coefficient in node iterative process, avoids in extensive meshed network
Edge layout and isolate layout, to influence integral layout effect.Power is led into algorithm and is used for virtual terminator information flow autoplacement,
Using multidomain treat-ment, the power of fixed main node leads algorithm, so that automation layout can not only embody power and lead placement algorithm
Advantage, and the characteristics of double bus scheme can be embodied, layout effect is more advantageous to analysis.Not only there is power to lead the excellent of algorithm
Point, can more preferably embody the various features of double bus scheme intelligent transformer substation information stream at the characteristics of also remaining double bus scheme.
In use, according to parsing SCD file；The information flow and network of virtual terminator model；Form node connection table；Foundation
Power leads the layout that algorithm carries out IED；The process that connecting line autoplacement is optimized and revised, to a typical 220kV intelligence power transformation
Station is laid out, which is double bus scheme, and IED quantity is 87, and the information flow relation between IED has
277.Initiation parameter are as follows: Coulomb force COEFFICIENT K r=1000；COEFFICIENT K _ s=0.01 of repulsion；The initial L=20 in position；Position
Coefficient d elta_t=100；The number of iterations is 1000 times.Fig. 5 is not lead the initial layout figure before algorithm using improvement power, initially
Position uses at random, so cannot clearly show that relationship and connection feature and 220kVA net between each IED equipment are set
Relationship between standby, 220kVB net equipment, 110kV equipment.Fig. 6 is that conventional force leads the layout before algorithm, and conventional force leads algorithm
Layout can show the connection between each IED equipment, cannot show 220kVA net equipment, 220kVB net equipment, 110kV
Relationship between equipment.Fig. 7 is to lead the layout before algorithm using improvement power.For being less than not showing for 2 IED connections
Show.The crossing number for improving the side for the IED virtual terminator connection figure that power leads algorithm is used as the result is shown, and the Node distribution uniformity is obvious
It reduces, while can clearly disclose the connection feature of double-bus, disclose A net and B net in 220kV, and the company between 110kV
Connect relationship, and the characteristic informations such as Connected degree of protection, combining unit, the connection relationship between intelligent terminal and main node.
Wherein GOOSE signal is connected with dotted line, and SV signal is connected with solid line.More deeply figures point can be carried out on this basis
It analysis and excavates, such as: combining unit, intelligent terminal, the connection relationship between protection and 500kV intelligent substation and 110kV
The IED equipment connecting relation of the intelligent substation difference mode of connection is analyzed.Even carry out Dynamic link library visual analyzing.
In order to compare the length for solving the time, it is imitative the layout based on simulated annealing has been done simultaneously under above-mentioned experimental situation
Very.It the results are shown in Table 3:
Table 3 and simulated annealing solve time comparison
The results show that power is led, algorithm is fewer than the simulated annealing used time, and as voltage class increases, interstitial content increases
Add, the used time of two kinds of algorithms also will increase.
Fig. 8, which is shown, leads the iteration change procedure of the sum of side length of algorithm using improving power, with the increase of the number of iterations,
The sum of side length first increases, and is then gradually reduced, and after iteration 400 times, value also tends towards stability.
Fig. 9, which is shown, leads the gravitation of algorithm and the iteration change procedure of the sum of repulsion using improvement power, with the number of iterations
Increase, the sum of gravitation and repulsion is gradually reduced, and after iteration 1000 times, value also tends towards stability.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm, including SCD file, feature exist
In further including following information flow layout method:
S1 parses SCD file；
S2, information flow and the network modeling of virtual terminator；
S3 forms node table and branch connection table；
S4 leads the layout that algorithm carries out IED according to improved power；
S5, connecting line autoplacement are optimized and revised.
2. a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm according to claim 1,
It is characterized in that, the specific execution step in the S2 includes:
S21 sets a property to each IED being recorded in SCD file according to IED device type, voltage class, company-information；
S22, Goose signal, SV signal, mms signal according to connection relationship between characterization IED are recorded in SCD file to each
In IED set a property.
3. a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm according to claim 1,
It is characterized in that, the message format of the node table in the S3 includes number, label, IED description, IED type, voltage class, factory
Family.
4. a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm according to claim 1,
It is characterized in that, the S3, the message format of branch connection table includes source node ID, the direction destination node ID, side number, branch
Name, default, weight, information type, signal type.
5. a kind of virtual terminals of intelligent substation information flow layout method for improving power and leading algorithm according to claim 1,
It is characterized in that, the specific execution step of the S4 includes:
S41 reads the connection table for the single IED node that the S3 is formed one by one；
S42 individually shows the connection of the IED node disjoint of IED nodal community and connection attribute no more than 3, does not join
With arrive iterative algorithm operation；
The characteristics of S43, foundation double bus scheme, generate start node position；
S44 judges whether node type is fixed node；
S45 calculates in each iteration regional area unit displacement caused by the repulsion between node two-by-two；
S46 calculates the gravitation of each iteration each edge to unit displacement caused by two end nodes；
S47, the unit displacement of the cumulative all nodes being calculated by repulsion gravitation；
S48, circulation execute S44 to S47, and cycle-index is jumped out when being greater than 1000 times；
S49 exports visualized graphs.
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| CN111817437A (en) * | 2020-07-03 | 2020-10-23 | 中国南方电网有限责任公司 | Intelligent substation intelligent oscillograph modeling method |
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