CN114792972A - Low-voltage distribution area topological relation carding method and device - Google Patents
Low-voltage distribution area topological relation carding method and device Download PDFInfo
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- CN114792972A CN114792972A CN202210227203.9A CN202210227203A CN114792972A CN 114792972 A CN114792972 A CN 114792972A CN 202210227203 A CN202210227203 A CN 202210227203A CN 114792972 A CN114792972 A CN 114792972A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
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Abstract
The application discloses a low-voltage distribution area topological relation carding method and a device, and the method comprises the following steps: the metering automation master station triggers all the station area terminals to perform topology identification through a topology query request instruction to obtain a topology result abstract; the metering automation master station analyzes and compares the topological result abstract to obtain a reduced electric meter of the target transformer area terminal; and the metering automation master station carries out communication relation combing based on broadband carrier waves and line loss relation combing based on time line loss according to the adjacent station area terminals adjacent to the target station area terminal triggered by the reduced electric meter, so as to obtain a topology combing result. The method and the device solve the technical problems that a local identification mode in the prior art is lack of completeness and an identification result is lack of accuracy.
Description
Technical Field
The application relates to the technical field of power grid topology analysis, in particular to a low-voltage transformer area topological relation combing method and device.
Background
The physical topological relation combing of the low-voltage transformer area is always a management pain point of the power grid marketing major. The physical topological relation of the low-voltage transformer area refers to the attribution relations of the transformer areas, branches and phases of all the electric meters hung under the transformer area; the physical topological relation is very disordered due to frequent change of the low-voltage line, and the topological file cannot meet the requirement by manual maintenance. At present, two types of common topology automatic identification methods are mainly used, one type is offline identification, and the other type is online identification. The off-line identification method comprises the steps of sending characteristic signals to a distribution area and a user side for identification through a handheld identification instrument; the on-line identification method is further divided into a characteristic signal method and a data analysis method. The characteristic signal method is characterized in that characteristic signal sending and receiving modules are required to be respectively installed on a transformer area and an ammeter side, online characteristic signal transmission and analysis are started under a topology identification starting command, and a data analysis method is used for analyzing and classifying collected data such as voltage and current of the ammeter by adopting an intelligent algorithm and automatically obtaining a topology attribution result.
The off-line identification method is long in time consumption, inconvenient to operate, low in efficiency and not the development direction of the technology, and has safety risks; meanwhile, both an offline identification method and an online identification method belong to local identification, namely, identification is only carried out in a local area and the following electric meters, so that the obvious defects exist: firstly, the integrity of the identification result is insufficient, and when the identification result is locally identified, because the characteristic signal sending and recycling of the electric meters in the archives are carried out based on the archives of the distribution area or the clustering analysis of the electric meters in the archives is carried out, the reduced electric meters of the distribution area can be generally analyzed, but the reduced electric meters are unknown, and whether a newly added electric meter exists in the distribution area or not can not be identified; secondly, the accuracy of the identification result is not enough, and no matter the signal method or the data method is adopted, the identification result is lack of certain accuracy at present due to the problems of instability of a signal channel and data quality.
Disclosure of Invention
The application provides a low-voltage distribution area topological relation combing method and device, which are used for solving the technical problems that a local identification mode in the prior art is lack of integrity and an identification result is lack of accuracy.
In view of this, a first aspect of the present application provides a low-voltage distribution area topological relation combing method, including:
the metering automation master station triggers all the station area terminals to perform topology identification through a topology query request instruction to obtain a topology result abstract;
the metering automation master station analyzes and compares the topological result abstract to obtain a reduced electric meter of a target transformer area terminal;
and the metering automation master station triggers the adjacent station area terminals adjacent to the target station area terminal to carry out communication relation combing based on broadband carrier waves and line loss relation combing based on time line loss according to the reduction electric meter, so as to obtain a topology combing result.
Preferably, the metering automation master station triggers all the station terminals to perform topology identification through a topology query request instruction to obtain a topology result summary, and the method further includes:
and the metering automation master station triggers all the platform area terminals to complete the synchronous updating operation of the meter archives through the synchronous updating instruction to obtain an initial meter archives.
Preferably, the method for automatically metering the power distribution network includes that the metering automation master station triggers all the station area terminals to perform topology identification through a topology query request instruction to obtain a topology result abstract, and the method includes:
the metering automation master station sends a topology query request instruction to the platform area terminal, so that the platform area terminal generates a current topology identification file according to a local topology identification instruction, and compares the current topology identification file with a last historical topology identification file to generate a topology result abstract.
Preferably, the analyzing and comparing the topology result abstract by the metering automation master station to obtain the reduced electric meter of the target station area terminal includes:
the metering automation master station performs topology analysis on the topology result abstract to obtain an analyzed ammeter topology;
and comparing the analyzed ammeter topology with the initial ammeter file to obtain the reduced ammeter of the target area terminal.
Preferably, the metering automation master station triggers, according to the reduced electric meter, an adjacent station area terminal adjacent to the target station area terminal to perform communication relationship combing based on broadband carrier waves and line loss relationship combing based on time line loss, so as to obtain a topology combing result, where the topology combing result includes:
the metering automation master station sends a topological relation combing instruction to an adjacent station area terminal adjacent to the target station area terminal according to the reduced electric meters, triggers the adjacent station area terminal to carry out broadband carrier wave meter searching to obtain a newly increased electric meter, and carries out comparison analysis on the newly increased electric meter and the reduced electric meter to obtain a comparison matched electric meter;
acquiring a preset time and electricity quantity curve within preset days of the comparison matching ammeter, and carrying out similarity calculation based on a dynamic time warping algorithm on the preset time and electricity quantity curve and a preset time line loss curve of the adjacent distribution area terminal to obtain similarity;
and taking the preset time line loss curve corresponding to the maximum similarity as a target curve, and taking the adjacent station area terminal corresponding to the target curve as the station area terminal to which the comparison matching ammeter belongs to obtain a topology combing result.
Preferably, the metering automation master station triggers, according to the reduced electric meter, an adjacent station area terminal adjacent to the target station area terminal to perform communication relationship combing based on broadband carrier waves and line loss relationship combing based on time line loss, so as to obtain a topology combing result, and then further includes:
and the metering automation master station sends an ammeter updating instruction to a related station area terminal according to the topology combing result, so that the related station area terminal performs ammeter file updating operation, and the related station area terminal comprises the target station area terminal and the adjacent station area terminal.
The application provides in a second aspect a low-voltage platform area topological relation carding device, including:
the topology identification module is used for triggering all the platform area terminals to carry out topology identification by the metering automation master station through a topology query request instruction to obtain a topology result abstract;
the ammeter analysis module is used for analyzing and comparing the topological result abstract by the metering automation master station to obtain reduced ammeters of the target transformer area terminal;
and the topology combing module is used for the metering automation master station to carry out communication relation combing based on broadband carrier waves and line loss relation combing based on time line loss according to the adjacent station area terminals adjacent to the target station area terminal triggered by the electricity reducing meter, so as to obtain a topology combing result.
Preferably, the method further comprises the following steps:
and the meter updating module is used for triggering all the platform area terminals to complete the synchronous updating operation of the meter archives by the metering automation master station through the synchronous updating instruction so as to obtain the initial meter archives.
Preferably, the electric meter parsing module is specifically configured to:
the metering automation master station performs topology analysis on the topology result abstract to obtain an analyzed ammeter topology;
and comparing the analyzed ammeter topology with the initial ammeter file to obtain the reduced ammeter of the target transformer area terminal.
Preferably, the topology combing module comprises:
the carrier wave searching sub-module is used for sending a topological relation carding instruction to an adjacent station terminal adjacent to the target station terminal by the metering automation master station according to the reduced electric meters, triggering the adjacent station terminal to perform broadband carrier wave searching to obtain a newly increased electric meter, and performing comparison analysis on the newly increased electric meter and the reduced electric meter to obtain a comparison matching electric meter;
the similarity calculation submodule is used for acquiring a preset time electric quantity curve within preset days of the comparison matching electric meter, and carrying out similarity calculation based on a dynamic time warping algorithm on the preset time electric quantity curve and a preset time line loss curve of the adjacent distribution area terminal to obtain similarity;
and the distribution area combing submodule is used for taking the preset time line loss curve corresponding to the maximum similarity as a target curve, taking an adjacent distribution area terminal corresponding to the target curve as the distribution area terminal of the comparison matching ammeter, and obtaining a topology combing result.
According to the technical scheme, the embodiment of the application has the following advantages:
in this application, a low-voltage transformer area topological relation combing method is provided, including: the metering automation master station triggers all the station area terminals to perform topology identification through a topology query request instruction to obtain a topology result abstract; the metering automation master station analyzes and compares the topological result abstract to obtain a reduced electric meter of the target transformer area terminal; and the metering automation master station carries out communication relation combing based on broadband carrier waves and line loss relation combing based on time line loss according to the adjacent station area terminals adjacent to the target station area terminal triggered by the reduced electric meter, so as to obtain a topology combing result.
According to the low-voltage distribution area topological relation combing method, mechanical ammeter statistics is not carried out on a single distribution area, but the integrated topological relation combing is carried out on all distribution areas of a main station, so that not only can the topological relation be updated, but also the whereabouts and affiliations of the reduced ammeters can be found by searching in adjacent distribution areas according to the identified reduced ammeters, the integral topological relation is more complete and reliable in combing, and meanwhile, the change tracking of the topological relation is more accurate and reliable. Therefore, the method and the device can solve the technical problems that the local identification mode in the prior art is lack of integrity and the identification result is lack of accuracy.
Drawings
Fig. 1 is a schematic flow chart of a low-voltage platform area topological relation combing method according to an embodiment of the present application;
fig. 2 is another schematic flow chart of a low-voltage platform area topological relation combing method according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a low-pressure area topological relation carding device provided by an embodiment of the present application;
fig. 4 is a schematic structural diagram of a distribution room topological relation combing system composed of a master station, a distribution room, and an electric meter according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For easy understanding, please refer to fig. 1, a first embodiment of a low-voltage distribution area topological relation combing method provided by the present application includes:
The method provided by the embodiment is based on a plurality of different terminals of the master station, the transformer area and the electric meter, can keep the consistency of the topological relation information in a synchronous updating mode, and can also carry out topological relation combing through the transmission of the instruction information, thereby ensuring the accuracy and reliability of the result and the overall integrity.
And the metering automation master station sends the topology query request instruction to the district terminal, the district terminal can carry out the topology relation statistics of the regional electric meters, a topology result abstract can be further obtained according to the generated topology relation, and then the topology result abstract is sent to the metering automation master station for analysis and processing.
And 102, analyzing and comparing the topological result abstract by the metering automation master station to obtain the reduced electric meters of the target transformer area terminal.
After analysis and comparison, some areas may have reduced electric meters, some areas have newly added electric meters, which indicates that the area to which the electric meters belong may be changed, so that the topological relation of the changed area inevitably changes, and a specific change condition cannot be determined by simple topological relation query, so that analysis needs to be performed on the changed electric meters. The comparison operation is the comparison with the ammeter archives saved by the metering automation terminal, which ammeters in the archives are not in the analyzed information can be determined, and the ammeter reduction is realized.
103, the metering automation master station combs a communication relation based on broadband carrier waves and a line loss relation based on time line loss according to the adjacent station area terminals adjacent to the target station area terminal triggered by the electric meter, and a topology combing result is obtained.
All the cell terminals adjacent to the target cell terminal are called adjacent cell terminals, and the specific number is determined according to the actual situation, and is not limited herein. On the communication layer, whether a newly added electric meter exists in a nearby distribution area can be searched in a broadband carrier wave table searching mode; on the line loss layer surface, the line loss curve can be used for searching and reducing the line loss of the ammeter to which transformer area, namely, the attribution transformer area of the ammeter is reduced. Through the relationship combing of two different levels, the heading of the ammeter can be clearly reduced, the topological relationship change condition of each distribution area is clearly understood on the whole, and the topological combing result is obtained. The latest topology combing result can be issued an instruction through the metering automation master station level to complete the synchronous updating operation of the meter files, and the specific process is not limited.
According to the low-voltage distribution area topological relation combing method, mechanical ammeter statistics is not carried out on a single distribution area, but integrated topological relation combing is carried out on all distribution areas of a main station, topological relation can be updated, searching can be carried out on adjacent distribution areas according to identified reduction ammeters, the situations of going places and attribution of the reduction ammeters are found, the overall topological relation is more complete and reliable in combing, and meanwhile, change tracking of the topological relation is more accurate and reliable. Therefore, the method and the device for identifying the local area network can solve the technical problems that a local identification mode in the prior art is lack of integrity and an identification result is lack of accuracy.
For easy understanding, please refer to fig. 2, the present application provides a second embodiment of a low-voltage distribution area topological relation combing method, including:
Referring to fig. 4, a system formed by the metering automation master station 11, the station area terminal 12, and the electric meter 13 in this embodiment establishes a communication connection relationship between the station area terminal and the electric meter through the communication module 14. Generally, when receiving a power failure alarm or meeting the requirement of timing task time, a metering automation master station starts to comb the global topological relation of a specific power failure area or all areas, sends starting information to an area terminal and receives confirmation information returned by the area terminal.
The metering automation terminal then sends a synchronous updating instruction of each corresponding distribution area to the distribution area terminal, and the synchronously updated meter files are meter files; and each district terminal completes meter file updating operation according to the synchronous updating instruction to obtain an initial meter file, and the consistency of the district terminal and the meter file of the metering automation terminal is ensured.
After receiving a topology query request instruction sent by a metering automation master station, a platform area terminal starts a local topology identification command, completes local topology identification and generates a current topology identification file; the compared historical topology identification files refer to identification results obtained in the last topology identification process of the terminal of the distribution room, and the comparison can preliminarily determine whether the reduced electric meters are generated or not, form an abstract and send the abstract to the metering automation master station for detailed analysis.
And 203, carrying out topology analysis on the topology result abstract by the metering automation master station to obtain an analyzed ammeter topology.
And 204, comparing the analyzed ammeter topology with the initial ammeter file to obtain the reduced ammeter of the target transformer area terminal.
After the analysis and comparison operation, the station area terminals with reduced electric meters can be determined to exist, and the station area terminals are defined as target station area terminals. The comparison is to check whether the electric meters which are not identified by analysis exist in the initial electric meter file, and if the electric meters exist, the electric meters are shown in the target station area. If the terminal of the target region is marked as A, the number of the electricity meters recorded in the electricity meter file of the region is Y, and the reduced electricity meters of the region are expressed as M [ M1, M2, M3 … … mi ] (wherein i < Y).
And the adjacent station terminals of the target station terminal A comprise [ T1, T2 and T3 … … Tj ], and the adjacent station terminals carry out topology relation combing operation according to the topology relation combing instruction. For example, after receiving the instruction, the adjacent station Tj starts the broadband carrier search table to obtain new electric meters N [ m1, m2 … … mk ], and in order to determine whether the new electric meters are reduced electric meters in the target station terminal, the new electric meters and the reduced electric meters need to be compared and analyzed:
k ═ M ═ N ═ M1, M2 … … mx (where x < ═ i)
And K is the comparison matching ammeter.
And step 206, acquiring and comparing a preset time electric quantity curve within preset days of the matched electric meter, and performing similarity calculation based on a dynamic time warping algorithm on the preset time electric quantity curve and a preset time line loss curve of an adjacent distribution area terminal to obtain similarity.
A preset time electric quantity curve within the latest preset days of the matching electric meter K can be obtained and compared from the metering automation master station, the preset days of the embodiment are one day, the electric quantity loss of each hour within one day can be obtained, and a preset time electric quantity curve Q [ Q1, Q2, Q3, q4... Q24] is formed; then, line loss data of all adjacent station terminals of the target station terminal a in each hour in the last day are obtained from the metering automation master station to generate a preset time line loss curve, for example, the preset time line loss curve of the adjacent station terminal Tj is expressed as LOj [ loj1, loj2, loj3, loj4.. loj24 ]; and then, similarity calculation is carried out on the preset time electric quantity curve and the preset time line loss curve based on a dynamic time warping algorithm, so that the similarity of the curves can be obtained.
And step 207, taking a preset time line loss curve corresponding to the maximum similarity as a target curve, and taking an adjacent station area terminal corresponding to the target curve as an affiliated station area terminal of the comparison matching ammeter to obtain a topology combing result.
And selecting one curve which is most similar to the Q curve in the LO curve sequence, namely the curve corresponding to the maximum similarity, as a target curve corresponding to the comparison matching electric meter, wherein the adjacent platform area terminal corresponding to the target curve is the platform area terminal to which the comparison matching electric meter moves, and the topology change relationship is sorted, so that the reduction and increase changes of the electric meters are sorted clearly.
And step 208, the metering automation master station sends an ammeter updating instruction to the associated district terminal according to the topology combing result, so that the associated district terminal performs ammeter file updating operation, and the associated district terminal comprises a target district terminal and an adjacent district terminal.
The metering automation master station updates the self ammeter file according to the topology combing result, and then enables the lower-layer district associated district terminal to complete synchronous updating operation of the ammeter file through a synchronous updating instruction, wherein the associated district terminal mainly refers to the district terminal with ammeter change, such as a target district terminal for reducing the ammeter and an adjacent district terminal for increasing the ammeter; all the station terminals may also be updated simultaneously, which is not limited herein.
According to the low-voltage distribution area topological relation combing method, mechanical ammeter statistics is not performed on a single distribution area, but all distribution areas of a main station are subjected to integrated topological relation combing, so that not only can the topological relation be updated, but also the whereabouts and attribution conditions of the ammeters can be found out by searching in adjacent distribution areas according to the identified reduced ammeters, the whole topological relation is more complete and reliable in combing, and meanwhile, the change tracking of the topological relation is more accurate and reliable. Therefore, the method and the device for identifying the local area network can solve the technical problems that a local identification mode in the prior art is lack of integrity and an identification result is lack of accuracy.
For easy understanding, referring to fig. 3, the present application further provides an embodiment of a carding device with a topological relation of low-pressure zones, including:
the topology identification module 301 is configured to trigger all the station area terminals to perform topology identification by the metering automation master station through a topology query request instruction, so as to obtain a topology result abstract;
an electric meter analysis module 302, configured to analyze and compare the topological result abstract by the metering automation master station to obtain a reduced electric meter of the target distribution area terminal;
and the topology combing module 303 is used for the metering automation master station to perform broadband carrier-based communication relationship combing and time line loss-based line loss relationship combing according to the adjacent station terminals adjacent to the target station terminal triggered by the reduced electric meter, so as to obtain a topology combing result.
Further, still include:
and the meter updating module 304 is used for triggering all the platform terminals to complete the synchronous updating operation of the meter file by the metering automation master station through the synchronous updating instruction so as to obtain an initial meter file.
Further, the electric meter parsing module 302 is specifically configured to:
the metering automation master station carries out topology analysis on the topology result abstract to obtain an analyzed ammeter topology;
and comparing the analyzed ammeter topology with the initial ammeter file to obtain the reduced ammeter of the target transformer area terminal.
Further, the topology combing module 303 includes:
the carrier wave searching submodule 3031 is used for sending a topological relation combing instruction to an adjacent station area terminal adjacent to the target station area terminal by the metering automation master station according to the reduction electric meter, triggering the adjacent station area terminal to perform broadband carrier wave searching to obtain a newly increased electric meter, and performing comparison analysis on the newly increased electric meter and the reduction electric meter to obtain a comparison matching electric meter;
the similarity calculation submodule 3032 is used for acquiring and comparing a preset time electric quantity curve within preset days of the matched electric meter, and performing similarity calculation based on a dynamic time warping algorithm on the preset time electric quantity curve and a preset time line loss curve of an adjacent distribution area terminal to obtain similarity;
and the distribution area combing submodule 3033 is configured to take the preset time line loss curve corresponding to the maximum similarity as a target curve, and take an adjacent distribution area terminal corresponding to the target curve as a distribution area terminal to which the matching ammeter belongs, so as to obtain a topology combing result.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for executing all or part of the steps of the method described in the embodiments of the present application through a computer device (which may be a personal computer, a server, or a network device). And the aforementioned storage medium includes: a U-disk, a portable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present application.
Claims (10)
1. A low-voltage distribution room topological relation carding method is characterized by comprising the following steps:
the metering automation master station triggers all the station area terminals to perform topology identification through a topology query request instruction to obtain a topology result abstract;
the metering automation master station analyzes and compares the topological result abstract to obtain a reduced electric meter of the target transformer area terminal;
and the metering automation master station triggers the adjacent station area terminal adjacent to the target station area terminal to carry out communication relation combing based on broadband carrier waves and line loss relation combing based on time line loss according to the reduction ammeter so as to obtain a topology combing result.
2. The method for combing the topological relation of the low-voltage transformer area according to claim 1, wherein the metering automation master station triggers all the transformer area terminals to perform topology identification through a topology query request instruction to obtain a topology result abstract, and the method further comprises the following steps:
and the metering automation master station triggers all the platform area terminals to complete the synchronous updating operation of the meter archives through the synchronous updating instruction to obtain an initial meter archives.
3. The method for combing the topological relation of the low-voltage transformer area according to claim 1, wherein the metering automation master station triggers all the transformer area terminals to perform topology identification through a topology query request instruction to obtain a topological result abstract, comprising:
the metering automation master station sends a topology query request instruction to the station area terminal, so that the station area terminal generates a current topology identification file according to a local topology identification instruction, and compares the current topology identification file with a last historical topology identification file to generate a topology result abstract.
4. The method for combing the topological relation of the low-voltage transformer area according to claim 2, wherein the metering automation master station analyzes and compares the topological result abstract to obtain the reduced electric meters of the target transformer area terminal, and the method comprises the following steps:
the metering automation master station performs topology analysis on the topology result abstract to obtain an analyzed ammeter topology;
and comparing the analyzed ammeter topology with the initial ammeter file to obtain the reduced ammeter of the target area terminal.
5. The method for combing the topological relation in the low-voltage transformer area according to claim 1, wherein the metering automation master station triggers, according to the electricity reduction meter, an adjacent transformer area terminal adjacent to the target transformer area terminal to perform communication relation combing based on broadband carrier waves and line loss relation combing based on time line loss to obtain a topological combing result, comprising:
the metering automation master station sends a topological relation combing instruction to an adjacent station area terminal adjacent to the target station area terminal according to the reduced electric meters, triggers the adjacent station area terminal to carry out broadband carrier wave meter searching to obtain a newly increased electric meter, and carries out comparison analysis on the newly increased electric meter and the reduced electric meter to obtain a comparison matched electric meter;
acquiring a preset time and electricity quantity curve within preset days of the comparison matching ammeter, and carrying out similarity calculation based on a dynamic time warping algorithm on the preset time and electricity quantity curve and a preset time line loss curve of the adjacent distribution area terminal to obtain similarity;
and taking the preset time line loss curve corresponding to the maximum similarity as a target curve, and taking the adjacent platform area terminal corresponding to the target curve as the platform area terminal of the comparison matching ammeter to obtain a topology combing result.
6. The method for combing the topological relation of the low-voltage transformer area according to claim 1, wherein the metering automation master station triggers the adjacent transformer area terminals adjacent to the target transformer area terminal to carry out communication relation combing based on broadband carrier waves and line loss relation combing based on time line loss according to the reduction electric meter, so as to obtain a topological combing result, and then further comprising:
and the metering automation master station sends an ammeter updating instruction to a related station area terminal according to the topology combing result, so that the related station area terminal performs ammeter file updating operation, and the related station area terminal comprises the target station area terminal and the adjacent station area terminal.
7. A topological relation carding device for low-voltage transformer areas is characterized by comprising:
the topology identification module is used for triggering all the platform area terminals to carry out topology identification by the metering automation master station through a topology inquiry request instruction to obtain a topology result abstract;
the ammeter analysis module is used for analyzing and comparing the topological result abstract by the metering automation master station to obtain reduced ammeters of the target transformer area terminal;
and the topology combing module is used for combing the communication relation based on broadband carrier waves and combing the line loss relation based on time line loss by the metering automation master station according to the adjacent platform area terminals adjacent to the target platform area terminal triggered by the electricity reducing meter, so as to obtain a topology combing result.
8. The low pressure platform area topological relation carding device of claim 7, further comprising:
and the meter updating module is used for triggering all the platform area terminals through the synchronous updating instruction by the metering automation master station to complete the synchronous updating operation of the meter archives so as to obtain the initial meter archives.
9. The low-voltage transformer area topological relation carding device of claim 8, wherein the electric meter analysis module is specifically configured to:
the metering automation master station performs topology analysis on the topology result abstract to obtain an analyzed ammeter topology;
and comparing the analyzed ammeter topology with the initial ammeter file to obtain the reduced ammeter of the target transformer area terminal.
10. The low-pressure platform zone topological relation carding device according to claim 7, wherein the topological carding module comprises:
the carrier wave searching sub-module is used for sending a topological relation carding instruction to an adjacent station terminal adjacent to the target station terminal by the metering automation master station according to the reduced electric meters, triggering the adjacent station terminal to perform broadband carrier wave searching to obtain a newly increased electric meter, and performing comparison analysis on the newly increased electric meter and the reduced electric meter to obtain a comparison matching electric meter;
the similarity calculation submodule is used for acquiring a preset time electric quantity curve within preset days of the comparison matching electric meter, and carrying out similarity calculation based on a dynamic time warping algorithm on the preset time electric quantity curve and a preset time line loss curve of the adjacent distribution area terminal to obtain similarity;
and the distribution area combing submodule is used for taking the preset time line loss curve corresponding to the maximum similarity as a target curve, and taking an adjacent distribution area terminal corresponding to the target curve as a distribution area terminal to which the comparison matching ammeter belongs to obtain a topology combing result.
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