CN106529794A - Power distribution network fault impact scope visualization method and system - Google Patents
Power distribution network fault impact scope visualization method and system Download PDFInfo
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Abstract
The invention provides a power distribution network fault impact scope visualization method and system. The method comprises the following steps: determining a fault section, determining building coordinates of users in the fault section and calculating a coordinate area corresponding to the building coordinates; dividing the coordinate area into connected regions and isolated regions, and merging the connected regions into an assembly area; and rendering the assembly area and the isolated regions on a map. Compared with the prior art, the fault impact area is divided into the connected regions and the isolated regions, wherein the connected regions are merged, so that the fault impact scope rendered on the map is allowed to be presented in the form of the merged region and the isolated regions instead of a single building, first-aid repairers are allowed to judge the size of the fault impact scope directly by watching the size of the region rendered on the map, and moreover, the first-aid repairers are allowed to make a quick repair priority decision according to the size of the rendered region, for example, if the rendered region is large, which represents that the fault impact scope is large, the region can be handled in priority.
Description
Technical field
The present invention relates to power system automation technology field, and in particular to a kind of distribution network failure involves scope visualization
Method and system.
Background technology
With the high speed development of China's system for distribution network of power, aging circuit, natural disaster and artificial destruction etc. be superimposed because
It is undisputable fact that element causes power failure to take place frequently, and how quickly to analyze fault coverage, be fast on the basis of accomplished fact
Speed repairing and the offer visualization support that restores electricity are particularly important.
Application No. 201210575129.6, entitled " plan and fault outage scope based on power grid GIS is visual
Change method ", its propose technical scheme be：In determining that failure medium-voltage equipment and low-voltage customer coordinate, mark power failure have influence on
Pressure equipment, it is highlighted to render all low-voltage customer collection place buildings；Reach the visual purpose of fault outage scope；But its presence
Defect be：All low-voltage customer places building is rendered due to highlighted, if some area stops with the presence of 20 low-voltage customers
Electric fault, then need to manifest the building corresponding to 20 low-voltage customers on map, if any 200 low-voltage customers, then need be in
Show the building corresponding to 200 low-voltage customers, i.e., when there is user and being excessive, need to manifest multiple buildings on map, due to
Isolated between building and building each other, it is considered that what is manifested is multiple isolated points on map, repair personnel base area
The fault message that figure is presented, it is impossible to which intuitively failure judgement involves the size of scope, further, it is impossible to according to the building for presenting
Repairing decision-making is quickly provided.
The content of the invention
For the problems referred to above, the application provides a kind of distribution network failure and involves scope method for visualizing and system.
According in a first aspect, providing a kind of distribution network failure in a kind of embodiment involves scope method for visualizing, including step
Suddenly：
Determine fault section, determine the building article coordinate belonging to fault section user, and calculate building coordinate pair and answer
Coordinates regional；
Coordinates regional is divided into into connected region and isolated area, and connected region is merged into into collection area；
Collection area and isolated area is rendered on map.
In a kind of embodiment, the building article coordinate belonging to fault section user is determined, including step：
The distribution transformer included in fault section is analyzed by power grid topology model；
Using battalion with Fusion Model and according to distribution transformer and the mapping relations in platform area, distribution transformer place is found out
Platform area；
According to user's certificate address information in attribute information determining table area of platform area, and calculate the building belonging to user's certificate address information
Article coordinate.
In a kind of embodiment, coordinates regional is divided into into connected region and isolated area, and connected region is merged into into collection
Region is closed, including step：
By a coordinates regional external rectangle, a rectangular area is formed；
Rectangular area is categorized as by intersecting rectangular area and non-intersecting rectangular area, non-intersecting rectangle region according to intersecting principle
Coordinates regional in domain is isolated area, and intersecting rectangular area is positioned over first queue；
Intersect the closed edge curve of coordinates regional in rectangular area in judging first queue one by one with the presence or absence of intersection point, deposit
It is connected region in the coordinates regional of intersection point, and the coordinates regional of connection is positioned over into second queue, is otherwise isolated area；
The connected region in second queue is extracted one by one, merges connected region.
In a kind of embodiment, after connected region is merged into collection area, also including step：According in collection area
The entitled collection area name in identification geographic area.
In a kind of embodiment, by a coordinates regional external rectangle, including step：According to the border of coordinates regional by coordinate area
It is overseas to connect a minimum enclosed rectangle.
In a kind of embodiment, during determining fault section, also including step：Direct Recognition fault type, or, according to
The Wave data of transient current passes through wave-form similarity indirect discrimination fault type.
In a kind of embodiment, the collection area and isolated area is rendered on map, step is specifically included：
The collection area and isolated area are drawn using Baidu map API, according to fault type render collection area and
Isolated area, and collection area is marked according to identification geographic area title.
According to second aspect, a kind of distribution network failure is provided in a kind of embodiment and involves scope visualization system, including event
Barrier positioner, fault location main station system, battalion are with emerging system, marketing system and generalized information system；
Fault location main station system is provided with determining device, divides device and rendering device；
Fault locator is connected by GPS wireless networks with the fault location main station system, and battalion is with emerging system, battalion
Pin system and generalized information system are connected with fault location main station system by power information data interaction bus respectively；
Fault locator is determined for the fault message of collection and the transient current Wave data recorded are sent to failure
Position main station system；
Emerging system is matched somebody with somebody for electricity distribution network model and platform area mapping relation information are sent to fault location main station system by battalion；
Marketing system is for low-voltage customer related to meter account information is sent to fault location main station system；
Generalized information system is for the coordinate information of power distribution network topology information and grid equipment is sent to system of fault location main website
System；
Determining device is used for obtaining fault message, and according to fault message Judging fault section；It is additionally operable to determine faulty section
Building article coordinate belonging to section user, and calculate the corresponding coordinates regional of building coordinate；Device is divided for by coordinate area
Domain is divided into connected region and isolated area, and connected region is merged into collection area；Rendering device is for the wash with watercolours on map
Dye collection area and isolated area.
In a kind of embodiment, determining device includes analytic unit, searching unit and determining unit；
Analytic unit is for analyzing the distribution transformer included in the fault section by power grid topology model；
Searching unit is used for using battalion with Fusion Model and according to distribution transformer and the mapping relations in platform area, finds out and matches somebody with somebody
The platform area that piezoelectric transformer is located；
Determining unit is for the user's certificate address information according to attribute information determining table area of platform area, and calculates user address letter
Building article coordinate belonging to breath.
In a kind of embodiment, dividing device includes expanding element, division unit and combining unit；
Expanding element is for by a coordinates regional external rectangle, forming a rectangular area；
Division unit is used for the rectangular area to be categorized as intersecting rectangular area and non-intersecting rectangle according to intersecting principle
Region, the coordinates regional in non-intersecting rectangular area are isolated area, and intersecting rectangular area is positioned over first queue；Also use
The closed edge curve for intersecting coordinates regional in rectangular area in first queue is judged one by one whether there is intersection point, there is intersection point
Coordinates regional be connected region, and the coordinates regional of connection is positioned over into second queue, is otherwise isolated area；
Combining unit is used for extracting the connected region in second queue one by one, merges connected region.
In a kind of embodiment, also including name device, name device is for according to the identification geographic region in collection area
Domain name is referred to as collection area name.
In a kind of embodiment, in rendering device, be provided with Baidu map API, Baidu map API be used for drawing collection area and
Isolated area, and collection area and isolated area is rendered, and collection area is marked according to identification geographic area title.
Involve scope method for visualizing according to the distribution network failure of above-described embodiment, due to according to belonging to fault section user
Building article coordinate, calculate the corresponding coordinates regional of building coordinate, coordinates regional be divided into into connected region and isolated now
Region, and connected region is merged into into a collection area, collection area and isolated area is rendered on map, with prior art
Compare, the scope that failure involves has been divided connected region and isolated area by the application, then connected region is merged, wash with watercolours on map
The failure of dye is involved scope and is presented with combined region and isolated area, rather than is presented with single building so that repair personnel
By by the size in the region rendered on viewing map, directly failure judgement involves the size of scope, further, repair personnel
The priority decisions of repairing can be quickly made according to the area size for rendering, and are such as rendered the big expression failure in region and are involved scope
Greatly, can priority treatment.
Description of the drawings
Fig. 1 involves scope method for visualizing flow chart for distribution network failure；
Fig. 2 is building coordinates regional boundary rectangle structure chart；
Fig. 3 is connected region and isolated area structure chart in intersecting rectangular area；
Fig. 4 merges figure for connected region in intersecting rectangular area；
Fig. 5 involves scope visualization system schematic diagram for distribution network failure.
Specific embodiment
Accompanying drawing is combined below by specific embodiment to be described in further detail the present invention.
Practical example one：
This example provides a kind of distribution network failure and involves scope method for visualizing, its flow chart as shown in figure 1, specifically include as
Lower step.
S100：Determine fault section, determine the building article coordinate belonging to fault section user, and calculate building article coordinate
Corresponding coordinates regional.
Specifically, determine that the process for building article coordinate belonging to fault section user is：
Fault section is determined from fault message first, during determining fault section, will also be recognized fault type, be had
Fault type is carried in fault message directly, as such, it is possible to Direct Recognition is to fault type, if do not had in fault message
Carry fault type, in addition it is also necessary to according to the Wave data of transient current by wave-form similarity indirect discrimination fault type, e.g., short
Road fault type can with Direct Recognition, but, power network line singlephase earth fault type then needs indirect identification, and e.g., analysis is temporary
The similarity of front 1/4 waveform of state current waveform, sentences knowledge fault section and fault type.
The distribution transformer included in the fault section, failure are analyzed by power grid topology model further according to fault message
Plurality of devices is included in section, and the application is to find its corresponding area by distribution with regard to depressor, finds platform further according to platform area
Area user, then according to platform area user certificate address information can obtain user belonging to building article coordinate, wherein, platform area refers to match somebody with somebody
The region that piezoelectric transformer is powered, user is divided into low-voltage customer and middle pressure specially becomes user, according to the difference of user, can set in platform area
An at least station power distribution transformator, e.g., for low-voltage customer, typically sets a station power distribution transformator in platform area, if specially becoming for middle pressure
User, generally comprises multiple stage distribution transformer in Ze Tai areas, middle pressure specially becomes user and mostly is steel mill, railway heavy industry etc..
Wherein, the process in the platform area corresponding to searching distribution transformer is：Using battalion with Fusion Model according to distribution transformer
The mapping relations in Qi Yutai areas, find out the platform area at distribution transformer place.
After finding platform area, it is possible to according to user's certificate address information in attribute information determining table area of platform area, calculate user and live
Building article coordinate belonging to the information of location, calculates the corresponding coordinates regional of building coordinate, and the coordinates regional is exactly that building is sat
Target longitude and latitude scope.
S200：Coordinates regional is divided into into connected region and isolated area, and connected region is merged into into collection area.
In order to avoid needing to carry out complicated substantial amounts of image array based on the zone algorithm connected in detection bianry image
Scan operation, realizes quick division connected region and isolated area, and this example is using the intersecting principle of closed curve, i.e., bent for closure
The intersecting characteristic for both having connected of line is divided to the coordinates regional in step S100, and specific process is：First, by coordinates regional
An external rectangle, forms a rectangular area, preferential, according to the border of coordinates regional by coordinates regional external one minimum external square
Shape, as shown in Figure 2；Secondly, rectangular area is categorized as by intersecting rectangular area and non-intersecting rectangular area according to intersecting principle, its
In, the coordinates regional in non-intersecting rectangular area is isolated area, and intersecting rectangular area is positioned over first queue；Secondly,
Intersect the closed edge curve of coordinates regional in rectangular area in judging first queue one by one with the presence or absence of intersection point, there is intersection point
Coordinates regional is connected region, and the coordinates regional of connection is positioned over second queue, is otherwise isolated area, intersects rectangle region
The figure of connected region and isolated area in domain is as shown in Figure 3；Finally, the connected region in second queue is extracted one by one, is closed
And connected region is collection area, the figure of collection area is as shown in Figure 4.
After connected region is merged into collection area, due at least including two connected regions in collection area, in order to
Appropriate mark is carried out to collection area on map, and the connected region that each merges is not labeled, also including step
Suddenly：Named according to the entitled collection area in the identification geographic area in collection area；Wherein, the identification geographic region domain name
Weighing-appliance have easily look for, it is easy to remember the characteristics of, so as to, repair personnel according to the identification geographic area title can quick positioning failure tool
Body position.
S300：Collection area and isolated area is rendered on map.
Specifically, collection area and isolated area are drawn using Baidu map API, in order to differentiate different fault types,
This step adopts different color rendering collection areas and isolated area according to the difference of fault type, and geographical according to identification
Zone name marks collection area.Meanwhile, also low-voltage customer information and power consumption information are shown, for checking.
By above-mentioned steps, the division of failure affected area can be quickly realized, and by the connected region for dividing and is isolated
Region is rendered based on Baidu map API, provides strong theories integration to repair personnel, allows repair personnel according to rendering
The size in region makes the priority decisions of repairing.
Practical example two：
Based on practical example one, this example provides a kind of distribution network failure and involves scope visualization system, its schematic diagram such as Fig. 5 institutes
Show, including fault locator 1, fault location main station system 2, battalion with emerging system 3, marketing system 4 and generalized information system 5.Its
In, fault location main station system 2 is provided with determining device 21, divides device 22 and rendering device 23.
Fault locator 1 and 2 network connection of fault location main station system, specifically, fault locator 1 is fixed with failure
Position main station system 2 is connected by GPS wireless networks, and battalion passes through electric power respectively with emerging system 3, marketing system 4 and generalized information system 5
Information data interaction bus are connected with fault location main station system 2.
Wherein, fault locator 1 for by the fault message of collection and record transient current Wave data send to
Fault location main station system 2；Battalion is determined for electricity distribution network model and platform area mapping relation information are sent to failure with emerging system 3
Position main station system 2；Marketing system 4 is for low-voltage customer related to meter account information is sent to fault location main station system
2；Generalized information system 5 is for the coordinate information of power distribution network topology information and grid equipment is sent to fault location main station system 2.
Wherein, battalion is well-known to those skilled in the art with emerging system 3, marketing system 4 and G IS systems 5, is not made
It is described in detail, and the specific implementation details of fault location main station system 2 refer to step S100-S300 in embodiment one, this
Example is not repeated, and the hardware components only to running step S100-S300 in embodiment one are described below.
Specifically, determining device 21 includes analytic unit 211, searching unit 212 and determining unit 213；Analytic unit 211
For analyzing the distribution transformer included in fault section by power grid topology model；Searching unit 212 is for being matched somebody with somebody using battalion
Fusion Model the mapping relations according to distribution transformer and platform area, find out the platform area at distribution transformer place；Determining unit
213 for the user's certificate address information according to attribute information determining table area of platform area, and calculates the building belonging to user's certificate address information
Article coordinate.
Dividing device 22 includes extension list 221, division unit 222 and combining unit 223, and expanding element 221 is used for sitting
The external rectangle in mark region, forms a rectangular area；Division unit 222 is used for the rectangular area being classified according to intersecting principle
For intersecting rectangular area and non-intersecting rectangular area, the coordinates regional in the non-intersecting rectangular area is isolated area, and will
Intersecting rectangular area is positioned over first queue；Intersect coordinates regional in rectangular area in being additionally operable to judge the first queue one by one
Closed edge curve whether there is intersection point, the coordinates regional that there is intersection point is connected region, and the coordinates regional of connection is put
Second queue is placed in, is otherwise isolated area；Combining unit 223 is used for extracting the connected region in the second queue one by one,
Merge the connected region.
The system of this example also includes name device 24, and name device 24 is for according to the identification geographic region in collection area
Domain name is referred to as collection area name.
Baidu map API is provided with rendering device 23, and Baidu map API is used for drawing collection area and isolated area, root
Different color rendering collection areas and isolated area are adopted according to the difference of fault type, and according to identification geographic area title
Mark collection area.
The distribution network failure of this example involves scope visualization system, can quickly realize the division of failure affected area, and
The connected region of division and isolated area are rendered based on Baidu map API, strong theories integration are provided to repair personnel,
Repair personnel is allow to make the priority decisions of repairing according to the size for rendering region.
Use above specific case is illustrated to the present invention, is only intended to help and is understood the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make some simple
Deduce, deform or replace.
Claims (12)
1. a kind of distribution network failure involves scope method for visualizing, it is characterised in that including step：
Determine fault section, determine the building article coordinate belonging to fault section user, and calculate the building coordinate pair and answer
Coordinates regional；
The coordinates regional is divided into into connected region and isolated area, and the connected region is merged into into collection area；
The collection area and isolated area is rendered on map.
2. the method for claim 1, it is characterised in that the building article coordinate belonging to the determination fault section user,
Including step：
The distribution transformer included in the fault section is analyzed by power grid topology model；
Using battalion with Fusion Model and according to distribution transformer and the mapping relations in platform area, find out the distribution transformer and be located
Platform area；
According to user's certificate address information in attribute information determining table area of platform area, and calculate the building belonging to user's certificate address information
Article coordinate.
3. method as claimed in claim 2, it is characterised in that described that coordinates regional is divided into into connected region and isolated region
Domain, and the connected region is merged into into collection area, including step：
By a coordinates regional external rectangle, a rectangular area is formed；
The rectangular area is categorized as by intersecting rectangular area and non-intersecting rectangular area, the non-intersecting square according to intersecting principle
Coordinates regional in shape region is isolated area, and intersecting rectangular area is positioned over first queue；
Intersect the closed edge curve of coordinates regional in rectangular area in judging the first queue one by one with the presence or absence of intersection point, deposit
It is connected region in the coordinates regional of intersection point, and the coordinates regional of the connection is positioned over into second queue, is otherwise isolated region
Domain；
The connected region in the second queue is extracted one by one, merges the connected region.
4. method as claimed in claim 3, it is characterised in that it is described connected region is merged into into collection area after, also wrap
Include step：According to the entitled collection area name in the identification geographic area in the collection area.
5. method as claimed in claim 4, it is characterised in that described by a coordinates regional external rectangle, including step：According to
The border of the coordinates regional is by a coordinates regional external minimum enclosed rectangle.
6. method as claimed in claim 5, it is characterised in that during the determination fault section, also including step：Directly
Identification fault type is connect, or, passing through wave-form similarity indirect discrimination fault type according to the Wave data of transient current.
7. method as claimed in claim 6, it is characterised in that described to render the collection area and isolated region on map
Domain, specifically includes step：
The collection area and isolated area are drawn using Baidu map API, according to fault type render the collection area and
Isolated area, and the collection area is marked according to identification geographic area title.
8. a kind of distribution network failure involves scope visualization system, it is characterised in that including fault locator, fault location master
System, battalion stand with emerging system, marketing system and generalized information system；
The fault location main station system is provided with determining device, divides device and rendering device；
The fault locator is connected by GPS wireless networks with the fault location main station system, and the battalion is with fusion system
System, marketing system and generalized information system are connected with the fault location main station system by power information data interaction bus respectively；
The fault locator is determined for the fault message of collection and the transient current Wave data recorded are sent to failure
Position main station system；
Emerging system is matched somebody with somebody for electricity distribution network model and platform area mapping relation information are sent to fault location main station system by the battalion；
The marketing system is for low-voltage customer related to meter account information is sent to fault location main station system；
The generalized information system is for the coordinate information of power distribution network topology information and grid equipment is sent to system of fault location main website
System；
The determining device is used for obtaining fault message, and according to the fault message Judging fault section；It is additionally operable to determine event
Building article coordinate belonging to barrier section user, and calculate the corresponding coordinates regional of the building coordinate；The division device
For the coordinates regional is divided into connected region and isolated area, and the connected region is merged into into collection area；Institute
Rendering device is stated for rendering the collection area and isolated area on map.
9. system as claimed in claim 8, it is characterised in that the determining device includes analytic unit, searching unit and really
Order unit；
The analytic unit is for analyzing the distribution transformer included in the fault section by power grid topology model；
The searching unit is used for using battalion with Fusion Model and according to distribution transformer and the mapping relations in platform area, finds out institute
State the platform area at distribution transformer place；
The determining unit is for the user's certificate address information according to attribute information determining table area of platform area, and calculates the user and live
Building article coordinate belonging to the information of location.
10. system as claimed in claim 9, it is characterised in that the division device includes expanding element, division unit and conjunction
And unit；
The expanding element is for by a coordinates regional external rectangle, forming a rectangular area；
The division unit is used for the rectangular area to be categorized as intersecting rectangular area and non-intersecting rectangle according to intersecting principle
Region, the coordinates regional in the non-intersecting rectangular area are isolated area, and intersecting rectangular area is positioned over first queue；
Intersect the closed edge curve of coordinates regional in rectangular area in being additionally operable to judge the first queue one by one with the presence or absence of intersection point,
The coordinates regional that there is intersection point is connected region, and the coordinates regional of the connection is positioned over second queue, is otherwise isolated
Region；
The combining unit is used for extracting the connected region in the second queue one by one, merges the connected region.
11. systems as claimed in claim 10, it is characterised in that also including name device, the name device is used for basis
The entitled collection area name in identification geographic area in the collection area.
12. systems as claimed in claim 11, it is characterised in that be provided with Baidu map API in the rendering device, described hundred
Degree map API is used for drawing the collection area and isolated area, and renders the collection area and isolated area, and according to institute
State identification geographic area title and mark the collection area.
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| CN201610969763.6A CN106529794A (en) | 2016-10-28 | 2016-10-28 | Power distribution network fault impact scope visualization method and system |
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| CN201610969763.6A CN106529794A (en) | 2016-10-28 | 2016-10-28 | Power distribution network fault impact scope visualization method and system |
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Cited By (9)
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| CN108303616A (en) * | 2017-12-29 | 2018-07-20 | 国网北京市电力公司 | Taiwan area outage information determines method and device |
| CN109783591A (en) * | 2018-12-29 | 2019-05-21 | 北京辰安科技股份有限公司 | Space data acquisition method and device based on Internet map |
| CN109829833A (en) * | 2018-12-07 | 2019-05-31 | 国网浙江省电力有限公司 | Power distribution network alarm method and system, electronic equipment and computer readable storage medium |
| CN110907755A (en) * | 2019-12-03 | 2020-03-24 | 广西电网有限责任公司电力科学研究院 | Power transmission line online monitoring fault recognition method |
| CN111641206A (en) * | 2020-06-03 | 2020-09-08 | 江苏方天电力技术有限公司 | Multi-stage collaborative troubleshooting method for power grid faults after natural disasters |
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| CN113283041A (en) * | 2021-05-21 | 2021-08-20 | 石家庄科林电气股份有限公司 | Power failure area rapid studying and judging method based on multi-source information fusion perception algorithm |
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| CN114089114A (en) * | 2021-11-19 | 2022-02-25 | 重庆玖奇科技有限公司 | Low-voltage distribution network fault prediction method based on terminal sensing technology |
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