CN109687464A - The analysis method and device of electric network swim, storage medium, processor - Google Patents

The analysis method and device of electric network swim, storage medium, processor Download PDF

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Publication number
CN109687464A
CN109687464A CN201810798045.6A CN201810798045A CN109687464A CN 109687464 A CN109687464 A CN 109687464A CN 201810798045 A CN201810798045 A CN 201810798045A CN 109687464 A CN109687464 A CN 109687464A
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China
Prior art keywords
power grid
graph model
node
type
network
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CN201810798045.6A
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CN109687464B (en
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鞠力
张欣
李伟
刘凤成
刘金鑫
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State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Beijing Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Beijing Electric Power Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/04Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
    • H02J3/06Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention discloses a kind of analysis method of electric network swim and device, storage medium, processors.Wherein, this method comprises: converting calculating graph model for electrical network figure, wherein calculate graph model by node and Bian Zucheng, node is used to indicate the node in network system, and side is used to indicate the route in network system;Detection calculates the type of graph model;According to type, mode corresponding with type is selected to carry out tidal current analysis to power grid.The present invention solves in the prior art using relevant database, and reaction speed is slow and structural redundancy is complicated, thus the technical issues of can not fast implementing large-scale power grid topological analysis.

Description

The analysis method and device of electric network swim, storage medium, processor
Technical field
The present invention relates to electrical network fields, and the analysis method and device, storage in particular to a kind of electric network swim are situated between Matter, processor.
Background technique
Power grid GIS (Geograp hic Information System, abbreviation power grid GIS) is used as one Spatial Information Technology is for acquiring, storing, manage, analyze, show and the computer system of applied geography related data.Mesh Preceding power grid GIS system is using Oracle spatial database memory technology.It is this to deposit for the power network topology of full voltage grade Storage mode and technology occur calculating and handling bottleneck in relationship calculating, search, tracking.
Power grid GIS is safeguarded and carries out relationship type storage using oracle database has been used in the related technology, and The graphics relationship of GIS1.6 seriously constrains the graph model fast mapping calculated based on graphic data base and figure at present, because GIS1.6 present storage organization using node and the associated mode of TerminalID, can not directly mapping node and node it is straight Connection relationship is connect, in order to solve the problems, such as that GIS1.6 operation system to high speed data processing between topological diagram calculating, needs A high speed topology ODS data model buffering middleware is established between GIS1.6 and graphic data base, realizes that artwork directly maps (figure Model and relational data model), nodal community data quickly extract, run mode data rapidly extracting and calculating.
Relevant database is used in the prior art for above-mentioned, and reaction speed is slow and structural redundancy is complicated, thus nothing Method fast implements the problem of large-scale power grid topological analysis, and currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of analysis method of electric network swim and device, storage medium, processors, at least It solves to use relevant database in the prior art, reaction speed is slow and structural redundancy is complicated, to can not fast implement big The technical issues of type power network topology analysis.
According to an aspect of an embodiment of the present invention, a kind of analysis method of electric network swim is provided, comprising: by electrical network figure It is converted into calculating graph model, wherein graph model is calculated by node and Bian Zucheng, node is used to indicate the node in network system, Side is used to indicate the route in network system;Detection calculates the type of graph model;According to type, mode corresponding with type is selected Tidal current analysis is carried out to power grid.
Optionally, according to type, mode corresponding with type is selected to carry out tidal current analysis to power grid, comprising: to calculate artwork When the type of type is Radial network, tidal current analysis, first method are carried out to power grid using first method are as follows: will be used to indicate electricity The calculating graph model of net carries out layered shaping, carries out parallel computation to the node in same layer, obtains parameters of electric power in power grid Distributed intelligence;When the type for calculating graph model is ring network, tidal current analysis, second method are carried out to power grid using second method Are as follows: by calculating in graph model there is the side of weight to be iterated processing, wherein weight is used to identify the admittance of power grid middle line road With the voltage difference at route both ends;Determine the weight for calculating the side being connect in graph model with each node;Electricity is determined according to weight Distributed intelligence of the force parameter in power grid.
Optionally, the calculating graph model for being used to indicate power grid is subjected to layered shaping, comprising: will there is identical electricity in power grid The node division of the value of force parameter is to same layer.
Optionally, the attribute of point includes at least one of;Voltage, voltage magnitude, phase angle, node power.
Optionally, side is used to indicate the description of relationships between nodes;Side has direction;The attribute on side include it is following at least it One: line impedance, Line Flow, line loss.
Optionally, according to type, mode corresponding with type is selected to carry out tidal current analysis to power grid, comprising: to obtain and calculate Multiple backups of graph model, wherein the different electric network states of the different corresponding same power grids of backup in multiple backups;To multiple backups Tidal current analysis is carried out simultaneously.
According to another aspect of an embodiment of the present invention, a kind of analytical equipment of electric network swim is additionally provided, comprising: conversion mould Block, for converting calculating graph model for electrical network figure, wherein calculate graph model by node and Bian Zucheng, node is for indicating electricity Node in net system, side are used to indicate the route in network system;Detection module, for detecting the type for calculating graph model; Analysis module, for selecting mode corresponding with type to carry out tidal current analysis to power grid according to type.
Optionally, analysis module includes: the first analytical unit, when the type for calculating graph model is Radial network, Tidal current analysis, first method are as follows: be layered the calculating graph model for being used to indicate power grid are carried out to power grid using first method Processing carries out parallel computation to the node in same layer, obtains parameters of electric power in the distributed intelligence of power grid;Second analytical unit, When type for calculating graph model is ring network, tidal current analysis, second method are carried out to power grid using second method are as follows: will It calculates the side in graph model with weight and is iterated processing, wherein weight is used to identify admittance and the line of power grid middle line road The voltage difference at road both ends;Determine the weight for calculating the side being connect in graph model with each node;Determine that electric power is joined according to weight Distributed intelligence of the number in power grid.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, storage medium includes the journey of storage Sequence, wherein equipment where control storage medium executes the analysis method of above-mentioned electric network swim in program operation.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, processor is used to run program, In, program executes the analysis method of above-mentioned electric network swim when running.
In embodiments of the present invention, by the way of graphics calculations, calculating artwork is converted by using by network system Type, and tidal current analysis is carried out to graph model is calculated, achieve the purpose that fast and efficiently to carry out topological analysis to network system, To realize the operand for reducing power network topology analysis, the technical effect of power network topology analysis efficiency is improved, and then is solved Relevant database is used in the prior art, and reaction speed is slow and structural redundancy is complicated, so that large-scale electricity can not be fast implemented The technical issues of net topology is analyzed.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the analysis method of electric network swim according to an embodiment of the present invention;
Fig. 2 is that a kind of optional electrical network figure according to an embodiment of the present invention is converted into the schematic diagram for calculating graph model;
Fig. 3 a is a kind of schematic diagram of optional radial system system according to an embodiment of the present invention;
Fig. 3 b is the schematic diagram that a kind of optional radial pattern according to an embodiment of the present invention calculates graph model;
Fig. 4 a is a kind of optional positive schematic diagram for decomposing polymerization analysis process according to an embodiment of the present invention;
Fig. 4 b is a kind of optional reversed schematic diagram for decomposing polymerization analysis process according to an embodiment of the present invention;
Fig. 5 a is a kind of schematic diagram of optional ring-like network system according to an embodiment of the present invention;
Fig. 5 b is a kind of optional ring-like schematic diagram for calculating graph model according to an embodiment of the present invention;
Fig. 6 is a kind of structure chart of the analytical equipment of electric network swim according to an embodiment of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.
Power network topology is applied in the related technology, power network topology is especially applied to distribution network, its feature is electrical Element is complicated and various.It is deposited using the GIS of Oracle spatial data technology by itself relational data of oracle database The limitation of storage, calculates power network topology and fast resolving and the extraction of GIS data, and there are reaction speed is slow and structural redundancy is multiple Miscellaneous problem can not fast implement large-scale power grid topological analysis and calculating.
Relational data structure come the correlation between characterize data, is occurred big in recent years using " index " in processing During data multilayer complex relationship problem, apparent technical bottleneck is encountered, General query is complicated, retrieval response speed is slow Slowly, more scenes are huger than waste of storage space caused by choosing, and application model is difficult to replicate extension, and the unique design of pattern analysis Exactly compensate for this defect.
To solve the above problems, the embodiment of the present application provides corresponding solution, it is described further below.
According to embodiments of the present invention, a kind of embodiment of the method for the analysis of electric network swim is provided, it should be noted that The step of process of attached drawing illustrates can execute in a computer system such as a set of computer executable instructions, also, It, in some cases, can be to be different from shown in sequence execution herein although logical order is shown in flow charts The step of out or describing.
Fig. 1 is a kind of flow chart of the analysis method of electric network swim according to an embodiment of the present invention, as shown in Figure 1, the party Method includes the following steps:
Electrical network figure is converted calculating graph model by step S102, wherein calculates graph model by node and Bian Zucheng, node For indicating the node in network system, side is used to indicate the route in network system;
In the embodiment of the present application, node and route in power grid can use tricks node in nomogram model and side indicates.? In electric system, there are bus, route, generator, transformer, load and various switches, protection equipment, these objects all can quilt It is abstracted as node and side, topology is formed in different voltage class and links together.Electric system topology Solve problems, all may be used It is a natural graphics calculations problem on node and connected route (side) to sum up in the point that power grid.Power network topology analysis It calculates and defers to the topological relation of network, and only node adjacent thereto is related for the electrical characteristic of each node, this relationship can With by the mapping relations and logic analysis of attribute on node and side, shown in a manner of most direct in calculating figure, from For this feature, graphics analysis techniques are more suitable for being applied to power network topology calculating.In addition, data management and logic calculation exist United in graphics calculations model and be embedded into system bottom, the interaction of data and model can on the diagram directly into Row is shown.
Wherein, step S102 can be executed by computer, obtain calculating graph model.
The embodiment of the present application provides a kind of schematic diagram for optionally converting electrical network figure to and calculating graph model, will be in electrical network figure Node indicate that the route in electrical network figure is indicated with side with point, as shown in Fig. 2, a in figure indicates the attribute of node, b table Show the attribute on side, wherein the nodal community in Fig. 2 are as follows: the side attribute in node voltage V, node power S, Fig. 2 are as follows: impedance Z, Line Flow S, electric current I, for example, the attribute a1 of n1 point are as follows: node voltage V1, node power S2, the attribute on the side between n1 and n2 b12Are as follows: impedance Z12, Line Flow S12, electric current I12
The attribute of point in the embodiment of the present application includes at least one of;Voltage, voltage magnitude, phase angle, node power; Side in the embodiment of the present application is used to indicate the description of relationships between nodes, and side has direction.Wherein, the attribute on side include with down toward It is one of few: line impedance, Line Flow, line loss.Wherein, it puts and the attribute on side includes static attribute and dynamic attribute, static state belongs to Property be network system build-in attribute, i.e. the attribute that has of power grid, such as voltage itself, dynamic attribute is that network system passes through meter Obtained attribute, for example, Line Flow.
Step S104, detection calculate the type of graph model;
Optionally, the type for calculating graph model includes at least: Radial network and ring network.
Step S106 selects mode corresponding with type to carry out tidal current analysis to power grid according to type.
Optionally, the embodiment of the present application includes that at least following two calculates graph model and analysis method:
One, calculate graph model type be Radial network when, using first method to power grid carry out tidal current analysis, first Mode are as follows: the calculating graph model for being used to indicate power grid is subjected to layered shaping, parallel computation is carried out to the node in same layer, is obtained To parameters of electric power in the distributed intelligence of power grid, i.e. first method is corresponding to power grid using polymerization (MapReduce) is decomposed It calculates graph model and carries out tidal current analysis;
Firstly, being converted before carrying out tidal current analysis to power grid to electrical network figure.The embodiment of the present application provides a kind of optional Radial network electrical network figure be converted into calculate graph model schematic diagram, as shown in Figure 3a and Figure 3b shows, Fig. 3 b be by Fig. 3 a turn Change obtained calculating graph model, a in Fig. 3 b indicates that the attribute of node, b indicate the attribute on side, wherein nodal community includes: electricity Pressure amplitude value V, phase angle theta, node power S, side attribute includes: line impedance Z, Line Flow S, line loss Δ S, for example, node V2 is Attribute are as follows: voltage magnitude V2, phase angle theta2, node power S2, the attribute on the side between node V2 and V3 are as follows: line impedance Z23, route Trend S23, line loss Δ S23, details are not described herein.
Wherein, above-mentioned decomposition polymerization can show as following implemented process: each node is calculated during previous Active reactive calculates the voltage of each node during the latter, and two process two-way interactives carry out, when this in system is with before When primary result precision is sufficiently small, convergence is calculated.Graphics calculations carry out radiation net topology calculating using polymerization is decomposed, can To make full use of the parallel mechanism of graphics calculations, as shown in figures 4 a and 4b:
From Fig. 4 a and Fig. 4 b as it can be seen that decomposing polymerization is layered { T0, T1, T2 ... } to power grid.Due to radiation network The node calculating of middle same layer is irrelevant, and the node of same layer is simultaneously activated, and carries out parallel computation, and network gets over " flat " meter It is higher to calculate efficiency.
It wherein, include: that will there is same power in power grid by the calculating graph model for being used to indicate power grid progress layered shaping The node division of the value of parameter is to same layer.For example, being same layer by the node division of identical voltage class.
Two, when the type for calculating graph model is ring network, tidal current analysis, second party are carried out to power grid using second method Formula are as follows: by calculating in graph model there is the side of weight to be iterated processing, wherein weight is for identifying leading for power grid middle line road The voltage difference received with route both ends;Determine the weight for calculating the side being connect in graph model with each node;It is determined according to weight Parameters of electric power is using Page ranking method (PageRank) to the corresponding calculating of power grid in the distributed intelligence of power grid, i.e. second method Graph model carries out tidal current analysis.
Page ranking method is exactly to be iterated on the side with weight in simple terms, this weight is reflected as in power grid The voltage difference of admittance and both ends on route, it is corresponding be reflected as in graphics calculations model while upper admittance attribute and while both ends Voltage difference attribute.For a node, coupled side is more or it is connected to " weight " very high side, then its More " important " is the key node of system.Based on this thought, the core concept that can use classical Gauss Sai Deer is calculated Topology.Fig. 5 a is a kind of schematic diagram of optional ring-like network system according to an embodiment of the present invention, and Fig. 5 b is and Fig. 5 a system Corresponding calculating graph model.Based on Gauss Sidel iteration principle, core is the transmitting and friendship of information among the nodes Change and node between parallel computation.
Optionally, the multiple backups for calculating graph model are obtained, wherein the different corresponding same power grids of backup in multiple backups Different electric network states;To multiple backups while carrying out tidal current analysis.
In the embodiment of the present application, another feature of graphics calculations is to support network snapshots (snapshot), i.e., together One is schemed multiple backups of upper different conditions, and can the parallel computation between multiple backups, be independent of each other, be suitble to programme Fast speed ratio choosing.
Through the above steps, the intelligence electricity that more than one hundred million ranks can be effectively supported based on graphic data base technology may be implemented The electriferous state of the multi-voltage grade power grid connectivity analysis of network data management, more than one hundred million a nodes and branch, 1,000,000,000 level devices Detection inquiry, more than one hundred million switches, power supply, route, Tai Qu, block switch, " group " connect case, various terminal, ammeter, fall insurance, The second grade of grid power blackout range scans, analysis and the judgement of the equipment such as bow line, magnanimity power supply unit different voltage grade is traced to the source point Analysis.
By means of map pattern analysis technology, the associative simulation of power distribution network Yu user and distributed generation resource may be implemented;Power grid with Associative simulation between communication control unit;Fining analysis is carried out to power distribution network magnanimity scene to calculate with plan optimization.
According to embodiments of the present invention, a kind of product embodiments of the analysis of electric network swim are provided, Fig. 6 is according to the present invention The structure chart of the analytical equipment of a kind of electric network swim of embodiment, as shown in fig. 6, the device includes
Conversion module 60, for converting calculating graph model for electrical network figure, wherein calculate graph model by node and side group At node is used to indicate the node in network system, and side is used to indicate the route in network system;
Detection module 62, for detecting the type for calculating graph model;
Analysis module 64, for selecting mode corresponding with type to carry out tidal current analysis to power grid according to type.
Optionally, analysis module 64, comprising:
First analytical unit, for calculate graph model type be Radial network when, using first method to power grid into Row tidal current analysis, first method are as follows: the calculating graph model for being used to indicate power grid is subjected to layered shaping, to the node in same layer Parallel computation is carried out, obtains parameters of electric power in the distributed intelligence of power grid;
First analytical unit when the type for calculating graph model is ring network, carries out power grid using second method Tidal current analysis, second method are as follows: by calculating in graph model there is the side of weight to be iterated processing, wherein weight is for identifying The admittance of power grid middle line road and the voltage difference at route both ends;Determine the power for calculating the side being connect in graph model with each node Weight;Determine parameters of electric power in the distributed intelligence of power grid according to weight.
Optionally, the first analytical unit is also used to the node division by the value in power grid with same power parameter to same One layer.
Optionally, the attribute of point includes at least one of;Voltage, voltage magnitude, phase angle, node power.
Optionally, side is used to indicate the description of relationships between nodes;Side has direction;The attribute on side include it is following at least it One: line impedance, Line Flow, line loss.
Optionally, analysis module 64 further include:
Acquiring unit, for obtaining the multiple backups for calculating graph model, wherein different backup correspondences are same in multiple backups The different electric network states of power grid;
Third analytical unit, for it is multiple backup and meanwhile carry out tidal current analysis.
Herein it should be noted that above-mentioned conversion module 60, detection module 62, analysis module 64 correspond to above-described embodiment In step S102 to step S106, the example and application scenarios that above-mentioned module and corresponding step are realized be identical but unlimited In above-described embodiment disclosure of that.It should be noted that above-mentioned module can be at such as one group as a part of of device It is executed in the computer system of computer executable instructions.
The embodiment of the present application also provides a kind of storage medium, storage medium includes the program of storage, wherein is transported in program Equipment where controlling storage medium when row executes the analysis method of above-mentioned electric network swim.
Above-mentioned storage medium, for storing the program for executing following functions: calculating graph model is converted by electrical network figure, In, graph model is calculated by node and Bian Zucheng, and node is used to indicate the node in network system, and side is for indicating in network system Route;Detection calculates the type of graph model;According to type, mode corresponding with type is selected to carry out tidal current analysis to power grid.
The embodiment of the present application also provides a kind of processor, processor is for running program, wherein program executes when running The analysis method of above-mentioned electric network swim.
Above-mentioned processor, for executing the program for realizing following functions: converting calculating graph model for electrical network figure, wherein Graph model is calculated by node and Bian Zucheng, node is used to indicate the node in network system, and side is for indicating in network system Route;Detection calculates the type of graph model;According to type, mode corresponding with type is selected to carry out tidal current analysis to power grid.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (10)

1. a kind of analysis method of electric network swim characterized by comprising
Calculating graph model is converted by electrical network figure, wherein the calculating graph model is used for table by node and Bian Zucheng, the node Show the node in network system, the side is used to indicate the route in the network system;
Detect the type for calculating graph model;
According to the type, mode corresponding with the type is selected to carry out tidal current analysis to the power grid.
2. the method according to claim 1, wherein selecting side corresponding with the type according to the type Formula carries out tidal current analysis to the power grid, comprising:
When the type for calculating graph model is Radial network, tidal current analysis carried out to power grid using first method, described the One mode are as follows: the calculating graph model for being used to indicate the power grid is subjected to layered shaping, the node in same layer is carried out Parallel computation obtains parameters of electric power in the distributed intelligence of the power grid;
When the type for calculating graph model is ring network, tidal current analysis is carried out to the power grid using second method, it is described Second method are as follows: the side with weight in the calculating graph model is iterated processing, wherein the weight is for identifying institute State the admittance of power grid middle line road and the voltage difference at the route both ends;Determine in the calculating graph model with company, each node institute The weight on the side connect;Determine the parameters of electric power in the distributed intelligence of power grid according to the weight.
3. the method according to claim 1, wherein will be used to indicate the calculating graph model of the power grid into Row layered shaping, comprising:
By the node division of the value in the power grid with same power parameter to same layer.
4. the method according to claim 1, wherein the attribute of the point includes at least one of;Voltage, electricity Pressure amplitude value, phase angle, node power.
5. the method according to claim 1, wherein the side is for indicating relationships between nodes;The side has Direction;The attribute on the side includes at least one of: line impedance, Line Flow, line loss.
6. the method according to claim 1, wherein selecting side corresponding with the type according to the type Formula carries out tidal current analysis to the power grid, comprising:
Obtain the multiple backups for calculating graph model, wherein different backups correspond to same power grids not in the multiple backup Same electric network state;
To the multiple backup while carrying out tidal current analysis.
7. a kind of analytical equipment of electric network swim characterized by comprising
Conversion module, for converting calculating graph model for electrical network figure, wherein the calculating graph model by node and Bian Zucheng, The node is used to indicate the node in network system, and the side is used to indicate the route in the network system;
Detection module, for detecting the type for calculating graph model;
Analysis module, for selecting mode corresponding with the type to carry out tidal current analysis to the power grid according to the type.
8. device according to claim 7, which is characterized in that analysis module includes:
First analytical unit, for it is described calculate graph model type be Radial network when, using first method to power grid into Row tidal current analysis, the first method are as follows: the calculating graph model for being used to indicate the power grid is subjected to layered shaping, to same Node in one layer carries out parallel computation, obtains parameters of electric power in the distributed intelligence of the power grid;
Second analytical unit, when the type for the calculating graph model is ring network, using second method to the power grid Carry out tidal current analysis, the second method are as follows: the side with weight in the calculating graph model is iterated processing, wherein The weight is used to identify the admittance of power grid middle line road and the voltage difference at the route both ends;Determine the calculating artwork The weight on the side being connect in type with each node;Determine the parameters of electric power in the distributed intelligence of power grid according to the weight.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program When control the storage medium where equipment perform claim require any one of 1 to 6 described in electric network swim analysis method.
10. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run Benefit require any one of 1 to 6 described in electric network swim analysis method.
CN201810798045.6A 2018-07-19 2018-07-19 Power grid power flow analysis method and device, storage medium and processor Active CN109687464B (en)

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