CN110008573A - The calculation and analysis methods and system of substation's supply district are generated in a kind of region - Google Patents
The calculation and analysis methods and system of substation's supply district are generated in a kind of region Download PDFInfo
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- CN110008573A CN110008573A CN201910252627.9A CN201910252627A CN110008573A CN 110008573 A CN110008573 A CN 110008573A CN 201910252627 A CN201910252627 A CN 201910252627A CN 110008573 A CN110008573 A CN 110008573A
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- substation
- supply district
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Abstract
The present invention relates to technical field of electric power, more particularly to the calculation and analysis methods and system for generating substation's supply district in a kind of region, the present invention is by establishing Hash table and topological network figure for all devices, the supply district and present graphical for generating distribution transformer are calculated by model and triangle algorithm, the supply district of distribution transformer in substation is then combined with to generate the supply district and present graphical of substation, the supply district and present graphical of substation can be quickly regenerated by the method when device location variation, meet the needs of future electrical energy development.Moreover, the load density of distribution transformer and substation and the division of auxiliary area power supply zone can be calculated quickly；The load density of distribution transformer and substation's supply district and distribution transformer carries out piecemeal different colours and is highlighted, and checks and is perfectly clear intuitively, very clear, has very strong creativeness.
Description
Technical field
The present invention relates to technical field of electric power, and in particular to the calculating of substation's supply district is generated in a kind of region
Analysis method and its system.
Background technique
In the power system, the supply district of substation according to substation's power supply capacity in Electric Power Network Planning and is powered partly at present
Diameter differs bigger with actual power range come what is substantially determined.In recent years, China is also constantly increasing the demand of electric power
Greatly, power informatization system Construction is also evolving, and for the distribution automation system of low and medium voltage distribution network construction, can be checked
And analysis substation and the distribution of distribution line, the quantity of distribution transformer and distribution situation, the installation site of distribution transformer,
The relevant data such as the topological structure of the real-time load of distribution transformer, substation-distribution line and distribution transformer；Pass through electricity
Power WebGIS system can obtain administrative region within the scope of current region, geographical general picture, main power supply unit and electricity consumption user
Distribution situation, to show that substation and distribution transforming supply district and load density provide technical support on map.
For above-mentioned situation, it is dedicated to how matching substation geographical location, affiliated substation in a certain regional scope
Piezoelectric transformer quantity, the density of distribution, distribution transformer installation site equicorrelated case in time, it is accurate, intuitively in map
On show, to quickly and accurately understand the supply district of each distribution transformer and substation in this region, distribution
The load density of transformer and substation.
Summary of the invention
In view of the deficiencies of the prior art, the invention discloses the calculating analyses that substation's supply district is generated in a kind of region
Method and system, for how solving distribution transformer in a certain regional scope and substation geographical location, affiliated substation
Distribution transformer quantity, the density of distribution transformer distribution, distribution transformer installation site equicorrelated case in time, it is accurate,
It is intuitively shown on map, by calculation and analysis methods, thus quickly and accurately each distribution transformer in formation zone
The load density of the supply district of device and substation, distribution transformer and substation, and the patterned exhibition in GIS map
Show.
The present invention is achieved by the following technical programs:
The calculation and analysis methods of substation's supply district are generated in a kind of region, which is characterized in that the analysis method include with
Lower step:
S1 is denoted as key with power equipment, and power equipment object is value, constructs Hash table；
S2 establishes topology network architecture according to Hash table and the affiliated incidence relation of power equipment；
S3 generates the delaunay triangulation network corresponding to distribution transformer using triangle algorithm building；
S4 calculates the theoretical supply district of distribution transformer using the delaunay triangulation network；
S5 generates substation's supply district according to the topological relation of distribution transformer and substation；
S6 is modified substation's supply district, obtains the actually active supply district of administrative region range Nei Ge substation.
Preferably, in the S1, the power equipment is denoted as device type and device id, and power equipment object is equipment
Title and device coordinate.
Preferably, it in the S2, according to Hash table and the affiliated incidence relation of equipment, establishes in a geographic area to distribution
The topology network architecture of other power equipment nodes such as transformer and substation.
Preferably, in the S3, delaunay triangle corresponding to each distribution transformer is constructed by triangle algorithm
Shape ultimately generates the delaunay triangulation network using delaunay triangle.
Preferably, it in the S4, is formed by the perpendicular bisector to each Atria side in the delaunay triangulation network
Thiessen polygon, i.e., the Thiessen polygon formed by the connection adjacent triangle inscribed circle center of circle, calculates each distribution transformer
The theoretical supply district of device.
Preferably, in the S5, according to the topological relation of distribution transformer and substation, distribution all in substation are become
Transformer power-supply range merges, and extracts exterior contour, generates substation's supply district.
Preferably, in the S6, high mountain, steep cliff or other geography barriers are generated to power transformation by DEM digital elevation model
Supply district of standing is modified, and is modified by administrative region range to substation's supply district, and administrative region model is obtained
The actually active supply district of Wei Neige substation.
The calculating analysis system that substation's supply district is generated in a kind of region, becomes for realizing generating in above-mentioned region
Power station power supply range computation analysis method, which is characterized in that the analysis system includes Hash table generation module, topological network knot
Structure generation module, delaunay triangulation network generation module, distribution transformer supply district generation module, substation's supply district are raw
At data disaply moudles such as module, substation's supply district correction module and supply districts.
Preferably, the data disaply moudles such as described supply district show distribution transformer discrete point, substation on map
The graph datas such as the band of position, distribution transformer supply district, substation's supply district and distribution transformer load density.
The invention has the benefit that
The present invention is calculated by model and triangle algorithm and is generated by establishing Hash table and topological network figure for all devices
The supply district and present graphical of distribution transformer are then combined with the supply district of distribution transformer in substation to generate power transformation
The supply district and present graphical stood can quickly regenerate the power supply model of substation when device location variation by the method
It encloses and present graphical, meets the needs of future electrical energy development.Moreover, the negative of distribution transformer and substation can quickly be calculated
The division of lotus density and auxiliary area power supply zone；Distribution transformer and substation's supply district and distribution transformer it is negative
Lotus density carries out piecemeal different colours and is highlighted, and checks and is perfectly clear intuitively, very clear.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart that the calculation and analysis methods of substation's supply district are generated in a kind of region of the present invention；
Fig. 2 is the schematic diagram that the present invention generates distribution transformer supply district from the distribution transformer discrete point location drawing；
Fig. 3 is the present invention according to topology network architecture and the generation amendment of substation's administrative division map and distribution transformer supply district
The schematic diagram of preceding substation's supply district；
Fig. 4 is the schematic diagram of substation's supply district after present invention amendment；
Fig. 5 is the load density figure of distribution transformer of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment 1
In a kind of region as shown in Figure 1 generate substation's supply district calculation and analysis methods, the analysis method include with
Lower step:
S1 is denoted as key with power equipment, and power equipment object is value, constructs Hash table；The power equipment is denoted as equipment class
Type and device id, power equipment object are device name and device coordinate.
S2 establishes topology network architecture according to Hash table and the affiliated incidence relation of power equipment；
S3 generates the delaunay triangulation network corresponding to distribution transformer using triangle algorithm building；
S4 calculates the theoretical supply district of distribution transformer using the delaunay triangulation network；
S5 generates substation's supply district according to the topological relation of distribution transformer and substation；
S6 is modified substation's supply district, obtains the actually active supply district of administrative region range Nei Ge substation.
In S2, according to Hash table and the affiliated incidence relation of equipment, establish in a geographic area to distribution transformer and change
The topology network architecture of other power equipment nodes such as power station.
In S3, delaunay triangle corresponding to each distribution transformer is constructed by triangle algorithm, is utilized
Delaunay triangle ultimately generates the delaunay triangulation network.
In S4, Thiessen polygon is formed by the perpendicular bisector to each Atria side in the delaunay triangulation network,
The Thiessen polygon formed by the connection adjacent triangle inscribed circle center of circle calculates the theoretical power supply of each distribution transformer
Range.
In S5, according to the topological relation of distribution transformer and substation, to distribution transformers all in substation power supply model
It encloses and merges, extract exterior contour, generate substation's supply district.
In S6, by DEM digital elevation model generate high mountain, steep cliff or other geography barrier to substation's supply district into
Row amendment, and substation's supply district is modified by administrative region range, obtain administrative region range Nei Ge substation
Actually active supply district.
The present embodiment passes through model and triangle algorithm meter by establishing Hash table and topological network figure for all devices
The supply district and present graphical for generating distribution transformer are calculated, the supply district next life of distribution transformer in substation is then combined with
At the supply district and present graphical of substation, substation can quickly be regenerated by the method when device location variation
Supply district and present graphical meet the needs of future electrical energy development.
Embodiment 2
Using distribution transformer ID as key in the present embodiment, distribution transformer coordinate (is stored as coordinates object Oracle
MDSYS.SDO_GEOMETRY data type) it is value, construct Hash table；Creation coordinate point model (including field: longitude, latitude)
With equipment point model (including field: longitude, latitude and label), one by one to the MDSYS.SDO_GEOMETRY data of Hash table
It is parsed, is transformed into coordinate point object, then coordinate point object is transformed into equipment point object (label storage device id), until
Hash table data is all parsed, is converted.
According to Hash table and the affiliated incidence relation of equipment (three etale topology structures are as follows: substation-feeder line-distribution transformer),
Establish the topology network architecture of the power equipments node such as distribution transformer and substation；
When equipment point object quantity is greater than 2, the delaunay triangulation network is generated using incremental algorithm, the algorithm thinking letter
It is single, it is easily programmed realization.Basic principle and method are as follows:
1, a triangular is constructed first, and all distribution transformer coordinate points are included in.
2, triangle sets, interim triangle sets and line set are initialized, triangular is put into triangle sets
In.
3, all devices point is traversed, is judged a little whether in triangle sets inside each triangle circumscribed circle, if,
Then by the end of this Atria side insertion line set, and this triangle is removed from triangle sets；Meanwhile deletion is faced
When line set in repeat side, will point with all sides of line set connect into triangle, until all the points traversal terminate.
4, the vertex of triangular is traversed, finds the triangle of the triangle sets comprising triangular vertex, such as
Fruit includes that then this triangle is put into interim triangle sets, and existing interim triangle collection is deleted from triangle sets
It closes, until all the points traversal terminates.
5, it is the delaunay triangulation network by the triangle sets that above step obtains, calculates each in triangle sets
The circumscribed circle center of circle of triangle, by Triangulation Network Model (device id corresponding to Atria vertex and circumscribed circle central coordinate of circle)
Carry out data storage.
Multi-threaded parallel traversing triangle set finds the adjacent triangle with current triangle three while altogether, if looked for
To the adjoining triangle of corresponding sides, then the unfaithful intention of the circumcentre of a triangle and current triangle searched out is connected, is stored in side collection
In conjunction.If can not find, the intersection point at perpendicular bisector corresponding to the side and edge is calculated, unfaithful intention and its line are stored in side collection
In conjunction, until all the points traversal terminates.
Thiessen polygon is ultimately formed, and will be associated with height ID to polygon, that is, generates the reason of each distribution transformer
By supply district, by distribution transformer supply district model (device id, year, the moon, area, load density and coordinates object) into
The storage of row data.Supply district is modified, the theoretical power supply model of administrative region range and distribution transformer is calculated and store
It encloses shared region (the SDO_INTERSECTION geometric function for calling Oracle), meanwhile, calculate and store distribution transformer
Supply district region area.
According to the topological relation of distribution transformer and substation, to all distribution transformer supply districts of substation subordinate
(the SDO_AGGR_UNION geometric function for calling Oracle) is merged, polygon common edge is removed, generates substation's power supply
Range, by substation's supply district model (device id, device type, year, the moon, area, status load, load density and coordinate
Object etc.) carry out data storage.
Substation's supply district is traversed, the geographical barrier such as high mountain, steep cliff and administrative area are generated by DEM digital elevation model
Domain range is modified substation's supply district, finally obtains accurate effective power supply in administrative region range Nei Ge substation
Range.
WebGIS system based on configurableization management carries out data and figure is shown.Wherein from distribution transformer discrete point
The location drawing generates distribution transformer supply district referring to fig. 2, is become according to topology network architecture and substation's administrative division map and distribution
Transformer power-supply range, which generates, corrects preceding substation's supply district referring to Fig. 3, and substation's supply district participates in Fig. 4, distribution after amendment
The load density of transformer is referring to Fig. 5.
Embodiment 3
The present embodiment discloses the calculating analysis system that substation's supply district is generated in a kind of region, for realizing above-described embodiment
Region in generate substation's supply district calculation and analysis methods, the analysis system includes Hash table generation module, topological network
Network structural generation module, delaunay triangulation network generation module, distribution transformer supply district generation module, substation's power supply model
Enclose the data disaply moudles such as generation module, substation's supply district correction module and supply district.
The data disaply moudles such as supply district show distribution transformer discrete point on map, the substation band of position, match
The graph datas such as piezoelectric transformer supply district, substation's supply district and distribution transformer load density.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. generating the calculation and analysis methods of substation's supply district in a kind of region, which is characterized in that the analysis method includes
Following steps:
S1 is denoted as key with power equipment, and power equipment object is value, constructs Hash table；
S2 establishes topology network architecture according to Hash table and the affiliated incidence relation of power equipment；
S3 generates the delaunay triangulation network corresponding to distribution transformer using triangle algorithm building；
S4 calculates the theoretical supply district of distribution transformer using the delaunay triangulation network；
S5 generates substation's supply district according to the topological relation of distribution transformer and substation；
S6 is modified substation's supply district, obtains the actually active supply district of administrative region range Nei Ge substation.
2. generating the calculation and analysis methods of substation's supply district in region according to claim 1, which is characterized in that institute
It states in S1, the power equipment is denoted as device type and device id, and power equipment object is device name and device coordinate.
3. generating the calculation and analysis methods of substation's supply district in region according to claim 1, which is characterized in that institute
State in S2, according to Hash table and the affiliated incidence relation of equipment, establish in a geographic area to distribution transformer and substation or
The topology network architecture of other power equipment nodes.
4. generating the calculation and analysis methods of substation's supply district in region according to claim 1, which is characterized in that institute
It states in S3, delaunay triangle corresponding to each distribution transformer is constructed by triangle algorithm, utilizes delaunay tri-
It is angular to ultimately generate the delaunay triangulation network.
5. generating the calculation and analysis methods of substation's supply district in region according to claim 1, which is characterized in that institute
It states in S4, by calculating to the Thiessen polygon for connecting the formation of the adjacent triangle inscribed circle center of circle in the delaunay triangulation network
The theoretical supply district of each distribution transformer.
6. generating the calculation and analysis methods of substation's supply district in region according to claim 1, which is characterized in that institute
It states in S5, according to the topological relation of distribution transformer and substation, distribution transformer supply districts all in substation is carried out
Merge, extract exterior contour, generates substation's supply district.
7. generating the calculation and analysis methods of substation's supply district in region according to claim 1, which is characterized in that institute
It states in S6, high mountain, steep cliff or other geography barriers is generated by DEM digital elevation model, substation's supply district is repaired
Just, and by administrative region range to substation's supply district it is modified, obtains the reality of administrative region range Nei Ge substation
The effective supply district in border.
8. the calculating analysis system of substation's supply district is generated in a kind of region, it is any one for realizing such as claim 1-7
Substation's supply district calculation and analysis methods are generated in region described in, which is characterized in that the analysis system includes Hash
Table generation module, topology network architecture generation module, delaunay triangulation network generation module, distribution transformer supply district generate
The data disaply moudles such as module, substation's supply district generation module, substation's supply district correction module and supply district.
9. generating the calculating analysis system of substation's supply district in region according to claim 8, which is characterized in that institute
It states the data disaply moudles such as supply district and shows distribution transformer discrete point, the substation band of position, distribution transformer on map
The graph datas such as device supply district, substation's supply district and distribution transformer load density.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065040A (en) * | 2012-12-14 | 2013-04-24 | 福建省电力有限公司 | Computer construction method of medium-voltage distribution network power supply framework |
| CN103544658A (en) * | 2013-10-28 | 2014-01-29 | 珠海许继芝电网自动化有限公司 | Power supply range analysis method and system based on entire distribution network |
| CN104102790A (en) * | 2014-07-29 | 2014-10-15 | 国家电网公司 | GIS (Geographic Information System)-based automatic diagram forming system and method of power supply diagram |
| US20160252890A1 (en) * | 2014-07-02 | 2016-09-01 | State Grid Corporation Of China | Method for searching cross-regional power supply area based on cim model and system thereof |
-
2019
- 2019-03-30 CN CN201910252627.9A patent/CN110008573A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065040A (en) * | 2012-12-14 | 2013-04-24 | 福建省电力有限公司 | Computer construction method of medium-voltage distribution network power supply framework |
| CN103544658A (en) * | 2013-10-28 | 2014-01-29 | 珠海许继芝电网自动化有限公司 | Power supply range analysis method and system based on entire distribution network |
| US20160252890A1 (en) * | 2014-07-02 | 2016-09-01 | State Grid Corporation Of China | Method for searching cross-regional power supply area based on cim model and system thereof |
| CN104102790A (en) * | 2014-07-29 | 2014-10-15 | 国家电网公司 | GIS (Geographic Information System)-based automatic diagram forming system and method of power supply diagram |
Non-Patent Citations (1)
| Title |
|---|
| 杨丽徙等: "变电站定位及供电区域划分的计算几何方法", 《郑州大学学报(工学版)》 * |
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Application publication date: 20190712 |