CN105653862B - Load point power supply distance calculation method and device - Google Patents
Load point power supply distance calculation method and device Download PDFInfo
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- CN105653862B CN105653862B CN201511025529.XA CN201511025529A CN105653862B CN 105653862 B CN105653862 B CN 105653862B CN 201511025529 A CN201511025529 A CN 201511025529A CN 105653862 B CN105653862 B CN 105653862B
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- G—PHYSICS
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Abstract
A kind of load point power supply distance calculation method and device, wherein the described method includes: obtaining platform area graph data, platform area includes transformer and multiple load points；Topological path of the acquisition transformer to each load point respectively；Respectively according to the power supply distance of each topological path calculating transformer to the corresponding load point of the topological path.Due to obtain respectively transformer to each load point topological path, and according to the power supply distance of each topological path calculating transformer to the corresponding load point of the topological path, it is calculated to realize the power supply distance of each load point in power grid, provides quantization reference frame for power supply quality of the transformer to load point.It is calculated relative to the automation for manually to the measuring and calculating of power supply distance, realizing the power supply distance of each load point convenient for the graph data according to power grid by way of topological path.
Description
Technical field
The present invention relates to electrical network fields, and in particular to a kind of load point power supply distance calculation method and device.
Background technique
With the development of economy, substation quantity, number of, lines are continuously increased, and power grid is increasingly complicated, are changed also more
Frequently.Currently, to solve frequent schematic diagram replacement problem, scheduling is big frequently with collaborative computer system and automation algorithm
Screen power transmission network schematic diagram automatically generates.When generating schematic diagram, it usually needs to the electricity box for exceeding standard unit area radius of electricity supply
(load point) is identified, in order to which power supply enterprise is transformed power grid.
In the prior art, for the management of low-voltage platform area, lack advanced technological means and accurately obtain low-voltage and supply more than the planned quota electricity
Radius；Power supply enterprise generally obtains client's low voltage range according to voltage monitoring point, or according to customers dial service hotline
Reflection low-voltage learns low voltage range, then carries out selective electric network reconstruction.Existing technical solution, more passively, lag
In customer demand.
Usually influencing transformer is mainly power supply distance of the transformer to the electricity box to the factor of electricity box power supply quality, works as confession
When electrical distance is excessive, power supply quality variation is generally resulted in, therefore, how to calculate the power supply beyond transformer to electricity box in power grid
Radius becomes urgent problem to be solved.
Summary of the invention
The technical problem to be solved in the present invention is that effectively calculating in power grid transformer to the power supply distance of load point.
For this purpose, according in a first aspect, the embodiment of the present invention discloses a kind of load point power supply distance calculation method, comprising:
Platform area graph data is obtained, described area includes transformer and multiple load points；The transformer is obtained respectively to arrive
The topological path of each load point；The transformer is calculated to the corresponding load point of the topological path according to each topological path respectively
Power supply distance.
Further, the topological path of each load point includes: the line bar node that the topological path passes through；It obtains and is located at institute
State the distance between adjacent line bar on the topological path；It is described that the transformer is calculated to the topology according to each topological path respectively
The power supply distance of the corresponding load point in path includes: to sum to the distance between adjacent line bar on the topological path described in,
To obtain the power supply distance of the corresponding load point of the described topological path.
Further, further includes: obtain the radius of electricity supply of the transformer；Institute is calculated according to each topological path respectively described
After stating transformer to the power supply distance of the corresponding load point of the topological path, further includes: judge each load point respectively
Whether power supply distance is more than the radius of electricity supply；If the power supply distance of load point is more than the radius of electricity supply, at described
The load point is identified in area's graph data.
Further, if the power supply distance of load point is more than the radius of electricity supply, the load is presented with visual means
Point.
According to second aspect, the embodiment of the present invention discloses a kind of load point power supply distance computing device, comprising:
Graph data acquiring unit, for obtaining platform area graph data, described area includes transformer and multiple load points；
Topological path acquiring unit, the topological path for obtaining the transformer respectively to each load point；
It is corresponding to the topological path to calculate the transformer according to each topological path for respectively for power supply distance computing unit
Load point power supply distance.
Further, line bar distance acquiring unit, for obtain be located on the described topological path between adjacent line bar away from
From；The power supply distance computing unit includes: summation subelement, between adjacent line bar on the topological path described in
Distance summation, to obtain the power supply distance of the corresponding load point of the topological path.
Further, further includes: radius of electricity supply acquiring unit, for obtaining the radius of electricity supply of the transformer；Judging unit,
For judging whether the power supply distance of each load point is more than the radius of electricity supply respectively；Unit is identified, if being used for load
The power supply distance of point is more than the radius of electricity supply, then identifies the load point in described area's graph data.
Further, further includes: visualization, if the power supply distance for load point is more than the radius of electricity supply,
The load point is presented with visual means.
Technical solution of the present invention has the advantages that
Load point power supply distance calculation method provided in an embodiment of the present invention and device, due to obtaining transformer respectively to respectively
The topological path of load point, and according to the power supply of each topological path calculating transformer to the corresponding load point of the topological path away from
From, so that the power supply distance for realizing each load point in power grid calculates, it is transformer to the power supply quality amount of providing of load point
Change reference frame.Relative to manually to the measuring and calculating of power supply distance, it is convenient for the figure number according to power grid by way of topological path
Factually the automation of the power supply distance of existing each load point calculates.
As a preferred technical solution, by judging whether the power supply distance of each load point is more than radius of electricity supply, if negative
The power supply distance of lotus point is more than radius of electricity supply, identifies the load point in the area Ze Tai graph data, consequently facilitating quickly, it is easy
Ground locking is more than the load point of radius of electricity supply, provides foundation to be included in the load point of electric network reconstruction range.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of load point power supply distance calculation method flow chart in the embodiment of the present invention；
Fig. 2 is a kind of graphical examples figure in standard unit area of power grid in the embodiment of the present invention；
Fig. 3 is a kind of load point power supply distance computing device schematic diagram in the embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Effectively to calculate transformer in power grid to the power supply distance of load point, the present embodiment discloses a kind of load point and supplies
Electrical distance calculation method, referring to FIG. 1, being the load point power supply distance calculation method flow chart, the load point power supply distance meter
Calculation method includes the following steps:
Step S100 obtains platform area graph data, wherein platform area includes transformer and multiple load points (electricity box).It please join
Fig. 2 is examined, is the graphical examples in a certain standard unit area in power grid, this area includes transformer 1 and multiple load points 2, preferred
In embodiment, platform area figure can further include multiple line bar nodes 3 (in figure shown in circle), and be arranged in adjacent lines
Cable run between bar node 3, between line bar node 3 and transformer 1 or load point 2.
Step S200, respectively obtain transformer to each load point topological path.In the present embodiment, in platform area figure,
With regard to topologies, the topological path of each load point is searched for automatically, and each topological path is transformer 1 to corresponding load point 2
The supply path being powered by cable run.
Step S300, respectively according to the power supply of each topological path calculating transformer to the corresponding load point of the topological path away from
From.After step S200 acquires topological path, by each topological path, it can calculate separately to obtain the confession of corresponding load point
Electrical distance.
In a preferred embodiment, the topological path of each load point includes: the line bar node that the topological path passes through.It is obtaining
It is available to be located at the distance between adjacent line bar on the topological path after taking the topological path of load point, it specifically, can be pre-
The distance between adjacent line bar is first stored, after obtaining topological path, is directly extracted from system positioned at phase on the topological path
The distance between adjacent line bar.When executing step S300, sum to the distance between adjacent line bar on the topological path is located at, with
Obtain the power supply distance of the corresponding load point of the topological path.
In order to realize convenient for quick, easily locking is more than that the load point of radius of electricity supply is also wrapped in a preferred embodiment
It includes:
Step S400 obtains the radius of electricity supply of transformer.Alleged radius of electricity supply is that transformer 1 is transmitted by cable run
When supply voltage, load point is enabled to receive the power supply distance of its normal power supply voltage.Certainly, in other embodiments,
Radius of electricity supply can be suitably increased or reduced according to test needs.In a particular embodiment, radius of electricity supply can pass through I/O
Equipment input obtains, and can also be pre-stored in system.It should be noted that being not intended to limit step S200 and step in the present embodiment
Execution sequencing between rapid S400.
After executing step S300, further includes:
Step S500 judges whether the power supply distance of each load point is more than radius of electricity supply respectively.
If the power supply distance of load point is more than radius of electricity supply, S600 is thened follow the steps,
Step S600 identifies the load point in platform area graph data, specifically, can make a check mark to the load point
Position can also add corresponding explanation in its attribute.
In a preferred embodiment, if the power supply distance of load point is more than radius of electricity supply, S700 is thened follow the steps,
The load point is presented with visual means in step S700.It specifically, referring to fig. 2, can be on platform area figure with not
The load point is marked with color, it is of course also possible to show the load point on platform area figure by way of text or symbol.
It should be noted that step S700 can be executed after step S600 in the present embodiment, it can also be with either-or
It executes.
The present embodiment also discloses a kind of load point power supply distance computing device, referring to FIG. 3, the load point power supply distance
Computing device includes: graph data acquiring unit 100, topological path acquiring unit 200 and power supply distance computing unit 300,
In:
For graph data acquiring unit 100 for obtaining platform area graph data, platform area includes transformer and multiple load points；It opens up
Flutter topological path of the path acquiring unit 200 for obtaining transformer respectively to each load point；Power supply distance computing unit 300 is used
In respectively according to the power supply distance of each topological path calculating transformer to the corresponding load point of the topological path.
In a preferred embodiment, load point power supply distance computing device further include: line bar distance acquiring unit is used for
It obtains and is located at the distance between adjacent line bar on the topological path；Power supply distance computing unit 300 includes: summation subelement, is used
It sums in positioned at the distance between adjacent line bar on the topological path, to obtain the power supply of the corresponding load point of the topological path
Distance.
In a preferred embodiment, load point power supply distance computing device further include: radius of electricity supply acquiring unit is used for
Obtain the radius of electricity supply of transformer；Judging unit, for judging whether the power supply distance of each load point is more than radius of electricity supply respectively；
Unit is identified, if the power supply distance for load point is more than radius of electricity supply, identifies the load in the area Ze Tai graph data
Point.
In a preferred embodiment, the load point power supply distance computing device further include: visualization, if for negative
The power supply distance of lotus point is more than radius of electricity supply, then the load point is presented with visual means.
Load point power supply distance calculation method disclosed by the embodiments of the present invention and device, due to obtaining transformer respectively to respectively
The topological path of load point, and according to the power supply of each topological path calculating transformer to the corresponding load point of the topological path away from
From, so that the power supply distance for realizing each load point in power grid calculates, it is transformer to the power supply quality amount of providing of load point
Change reference frame.Relative to manually to the measuring and calculating of power supply distance, it is convenient for the figure number according to power grid by way of topological path
Factually the automation of the power supply distance of existing each load point calculates.
In a preferred embodiment, by judging whether the power supply distance of each load point is more than radius of electricity supply, if load
The power supply distance of point is more than radius of electricity supply, the load point is identified in the area Ze Tai graph data, consequently facilitating quickly, easily
Locking is more than the load point of radius of electricity supply, provides foundation to be included in the load point of electric network reconstruction range.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (6)
1. a kind of load point power supply distance calculation method, which comprises the steps of:
Platform area graph data is obtained, described area includes transformer and multiple load points, and the load point is electricity box；
Obtain respectively the transformer to each load point topological path；
Respectively according to each topological path calculate the transformer to the corresponding load point of the topological path power supply distance；
Obtain the radius of electricity supply of the transformer；
It is described respectively according to each topological path calculate the transformer to the corresponding load point of the topological path power supply distance
Later, further includes:
Whether the power supply distance for judging each load point respectively is more than the radius of electricity supply；
If the power supply distance of load point is more than the radius of electricity supply, the load is identified in described area's graph data
Point.
2. load point power supply distance calculation method as described in claim 1, which is characterized in that the topological road of each load point
Diameter includes: the line bar node that the topological path passes through；
It obtains and is located at the distance between adjacent line bar on the described topological path；
It is described respectively according to each topological path calculate the transformer to the corresponding load point of the topological path power supply distance packet
Include: to the distance between adjacent line bar summation on the described topological path is located at, to obtain, the described topological path is corresponding to be born
The power supply distance of lotus point.
3. load point power supply distance calculation method as described in claim 1, which is characterized in that if the power supply distance of load point
More than the radius of electricity supply, then the load point is presented with visual means.
4. a kind of load point power supply distance computing device characterized by comprising
Graph data acquiring unit, for obtaining platform area graph data, described area includes transformer and multiple load points, described
Load point is electricity box；
Topological path acquiring unit, the topological path for obtaining the transformer respectively to each load point；
It is corresponding negative to the topological path to calculate the transformer according to each topological path for respectively for power supply distance computing unit
The power supply distance of lotus point；
Radius of electricity supply acquiring unit, for obtaining the radius of electricity supply of the transformer；
Judging unit, for judging whether the power supply distance of each load point is more than the radius of electricity supply respectively；
Unit is identified, if the power supply distance for load point is more than the radius of electricity supply, in described area's graph data
Identify the load point.
5. load point power supply distance computing device as claimed in claim 4, which is characterized in that
Line bar distance acquiring unit is located at the distance between adjacent line bar on the described topological path for obtaining；
The power supply distance computing unit includes:
Sum subelement, for being located at the distance between adjacent line bar summation on the described topological path, with obtain it is described should
The power supply distance of the corresponding load point of topological path.
6. load point power supply distance computing device as claimed in claim 4, which is characterized in that further include:
Visualization, if the power supply distance for load point is more than the radius of electricity supply, being presented with visual means should
Load point.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511025529.XA CN105653862B (en) | 2015-12-30 | 2015-12-30 | Load point power supply distance calculation method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025529.XA CN105653862B (en) | 2015-12-30 | 2015-12-30 | Load point power supply distance calculation method and device |
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| CN105653862A CN105653862A (en) | 2016-06-08 |
| CN105653862B true CN105653862B (en) | 2019-05-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106529758B (en) * | 2016-09-13 | 2022-09-20 | 国网山东省电力公司青岛供电公司 | Method and device for judging rationality of power supply area of distribution transformer |
| CN111415107B (en) * | 2020-04-30 | 2023-05-09 | 南方电网数字电网研究院有限公司 | Power distribution network area image generation method, device, computer equipment and storage medium |
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| CN102053835A (en) * | 2010-12-30 | 2011-05-11 | 广东电网公司江门供电局 | Method for displaying power supply range of power distribution line |
| CN102437578A (en) * | 2011-10-14 | 2012-05-02 | 中国电力科学研究院 | Power supply mode selection method of area without electricity supply based on load distance and load characteristic |
| CN104573853A (en) * | 2014-12-19 | 2015-04-29 | 华南理工大学 | Systematic solution for voltage quality evaluation and optimization of low-voltage transformer area distribution networks |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009012648A1 (en) * | 2009-03-11 | 2010-09-16 | Siemens Aktiengesellschaft | Device, especially power quality meter and power quality device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053835A (en) * | 2010-12-30 | 2011-05-11 | 广东电网公司江门供电局 | Method for displaying power supply range of power distribution line |
| CN102437578A (en) * | 2011-10-14 | 2012-05-02 | 中国电力科学研究院 | Power supply mode selection method of area without electricity supply based on load distance and load characteristic |
| CN104573853A (en) * | 2014-12-19 | 2015-04-29 | 华南理工大学 | Systematic solution for voltage quality evaluation and optimization of low-voltage transformer area distribution networks |
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