CN116154778A - Automatic analysis method, device and equipment for first-segment looped network of power distribution network - Google Patents

Automatic analysis method, device and equipment for first-segment looped network of power distribution network Download PDF

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CN116154778A
CN116154778A CN202310417689.7A CN202310417689A CN116154778A CN 116154778 A CN116154778 A CN 116154778A CN 202310417689 A CN202310417689 A CN 202310417689A CN 116154778 A CN116154778 A CN 116154778A
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distribution
network
distribution network
power supply
segment
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CN116154778B (en
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邱桂华
周俊宇
区伟潮
汤志锐
邝梓佳
吴龙腾
何炎
向琼
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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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
    • H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
    • H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • 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
    • H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • 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
    • H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
    • 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
    • H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
    • 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
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

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  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
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Abstract

The invention relates to the technical field of power distribution networks and discloses a method, a device and equipment for automatically analyzing a first-section looped network of a power distribution network. The method comprises the steps of determining a ring network path of a distribution network line based on switching account data analyzed by a CIM (common information model) of a single line diagram of the distribution network, and analyzing the number of users directly powered by the ring network path and the total number of users powered by the distribution network line by combining marketing system data; judging that the corresponding looped network path belongs to the first-segment looped network when the ratio of the number of users directly powered by the looped network path to the total number of users of the affiliated distribution network is smaller than a preset ratio threshold, and screening the distribution network line meeting the first-segment looped network condition as a target distribution network line based on the obtained analysis result; and judging the target distribution network line meeting the second first-segment ring network condition as a distribution network line belonging to the first-segment ring network, and obtaining a distribution network line first-segment ring network analysis result. The invention realizes the automatic analysis of the first-section looped network of the power distribution network, and lays a good data foundation for guaranteeing the reliable power supply of power users and improving the satisfaction degree of the users.

Description

Automatic analysis method, device and equipment for first-segment looped network of power distribution network
Technical Field
The invention relates to the technical field of power distribution networks, in particular to a method, a device and equipment for automatically analyzing a first-section looped network of a power distribution network.
Background
In order to ensure safe and reliable operation of the distribution network, a ring network switch is generally installed in a distribution network line. When the power distribution network fails, the non-failure area at the rear section of the failure area can be supplied to other lines for power supply through the ring network switch, so that quick power recovery of a user is realized; meanwhile, when the upper power supply to which the distribution network line belongs is subjected to voltage loss or load control is needed, the quick transfer of the user load of the distribution network line can be realized through the ring network switch, so that the user power supply reliability is greatly improved.
The installation position of the ring network switch in the distribution network line directly influences the convenience of the distribution network line power supply load transfer. Currently, to complete the investment task, a part of line ring network switches are installed at the first line stage in the initial stage of construction. When the latter half of distribution network circuit breaks down and needs to carry out load transfer, this looped netowrk switch will be limited, and can not exert looped netowrk switch effect, need promote looped netowrk point overall arrangement rationalization level through reforming transform the distribution network rack this moment.
When the power distribution network frame is transformed, the switch of the first ring network in the network distribution line network frame structure is required to be excavated, and the switch of the first ring network is combed. Because the grid structure of the power distribution network is complex, the equipment scale is huge, and the analysis of the first ring network of the power distribution network is difficult to carry out manually, the transformation of the grid structure of the power distribution network is restricted, and the power supply reliability and the user satisfaction of the power distribution network are affected.
Disclosure of Invention
The invention provides a method, a device and equipment for automatically analyzing a first-section looped network of a power distribution network, and solves the technical problem of how to automatically analyze the first-section looped network of the power distribution network.
The first aspect of the invention provides an automatic analysis method for a first-section looped network of a power distribution network, which comprises the following steps:
analyzing a CIM model of a single line diagram of the power distribution network to obtain grid structure data of the power distribution network; the grid structure data of the power distribution network comprises switching account data;
determining a looped network path of a distribution network line based on the switching account data; the looped network path is a power supply path between the looped network switch and the distribution network line outlet switch;
determining all distribution transformers directly powered by each ring network path to obtain ring network path direct power supply distribution transformer data, and calculating the number of users corresponding to the ring network path direct power supply by combining a low-voltage user file information table in a marketing system based on the ring network path direct power supply distribution transformer data;
determining all power distribution of power supply of each distribution network line to obtain distribution network line power supply distribution data, and calculating the total power supply user number of the corresponding distribution network line based on the distribution network line power supply distribution data and combining a low-voltage user file information table in a marketing system;
Calculating the ratio of the number of users directly powered by the ring network path to the total number of users powered by the affiliated distribution network line to obtain the ratio of the number of users directly powered by the corresponding ring network path;
comparing the direct power supply user number proportion with a preset proportion threshold value, and judging that the corresponding ring network path belongs to the first ring network when the direct power supply user number proportion is smaller than the preset proportion threshold value, so as to obtain first ring network analysis result data;
screening the distribution network lines meeting the first-segment ring network conditions according to the first-segment ring network analysis result data to serve as target distribution network lines; the first-segment looped network condition is that all looped network paths on a distribution network line belong to a first-segment looped network;
analyzing whether each target distribution network line meets a second first-segment ring network condition, judging the target distribution network line meeting the second first-segment ring network condition as a distribution network line belonging to the first-segment ring network, and obtaining a first-segment ring network analysis result of the distribution network line; and the second first-segment looped network condition is that the total power supply distribution variable of the target distribution network line is smaller than a first quantity threshold value and the total power supply user quantity is smaller than a second quantity threshold value.
According to one implementation manner of the first aspect of the present invention, the CIM model of the single line diagram of the power distribution network is obtained from a central system of the device.
According to one implementation manner of the first aspect of the present invention, the grid structure data of the power distribution network further includes distribution transformer card data, the calculating the number of users directly powered by the corresponding ring network path based on the ring network path direct power supply distribution transformer data in combination with a low-voltage user profile information table in the marketing system includes:
determining the distribution type of each distribution transformer in the ring network path direct power supply distribution transformer data according to the description about the distribution transformer type in the distribution transformer card data; the distribution type is divided into public distribution and special distribution;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the ring network path;
matching corresponding medium-voltage user numbers in the distribution transformer card data, acquiring low-voltage user data information corresponding to the public distribution transformer power supply from a low-voltage user archive information table in a marketing system based on the matched medium-voltage user numbers, and counting the obtained low-voltage user data information to obtain the total number of the low-voltage users powered by the public distribution transformer of the ring network path;
And calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the ring network path and the total number of low-voltage users supplied by the public distribution transformer of the ring network path, and taking the sum as the number of users directly supplied by the corresponding ring network path.
According to one implementation manner of the first aspect of the present invention, the calculating, based on the distribution network line power supply distribution data and in combination with a low-voltage user profile information table in a marketing system, a total power supply user number of a corresponding distribution network line includes:
determining the distribution type of each distribution in the distribution card data according to the description about the distribution type in the distribution card data;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line;
the method comprises the steps of obtaining low-voltage user data information of power supply of a public distribution transformer from a low-voltage user archive information table in a marketing system based on a matched medium-voltage user number, and obtaining the total number of low-voltage users of the public distribution transformer of the distribution network based on statistics of the obtained low-voltage user data information;
And calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line and the total number of low-voltage users supplied by the public distribution transformer of the distribution network line, and taking the sum as the number of users supplied by the corresponding distribution network line.
According to one possible implementation of the first aspect of the present invention, the preset proportional threshold is 10%;
the first quantity threshold is 10;
and/or, the second number threshold is 2000.
According to one manner that the first aspect of the present invention can be implemented, the method further includes:
constructing a distribution network line list belonging to the first-segment looped network based on the analysis result of the first-segment looped network of the distribution network line;
outputting and displaying the distribution network line list belonging to the first-segment looped network; the distribution network line list belonging to the first-segment ring network records related information of distribution network lines belonging to the first-segment ring network, wherein the related information comprises a regional office to which the lines belong, a power supply station to which the lines belong, a transformer substation to which the lines belong, line names, total power supply user numbers of the lines and/or total power supply distribution variables of the lines.
According to one manner that the first aspect of the present invention can be implemented, the method further includes:
based on the analysis result of the first-segment ring network of the distribution network line, respectively counting the distribution network line return numbers of the power supply station, the regional office and the whole city dimension belonging to the first-segment ring network, and counting the total distribution network line return numbers corresponding to the power supply station, the regional office and the whole city dimension to obtain corresponding statistical data;
And respectively calculating the first-segment ring network line proportion corresponding to the power supply station, the district office and the all-city dimension according to the statistical data, and outputting and displaying the first-segment ring network line proportion.
The second aspect of the invention provides an automatic analysis device for a first-section looped network of a power distribution network, comprising:
the data analysis module is used for analyzing a CIM (common information model) of the single line diagram of the power distribution network to obtain grid structure data of the power distribution network; the grid structure data of the power distribution network comprises switching account data;
the determining module is used for determining a looped network path of the distribution network line based on the switching ledger data; the looped network path is a power supply path between the looped network switch and the distribution network line outlet switch;
the first calculation module is used for determining all distribution transformers directly powered by each ring network path to obtain ring network path direct power supply distribution transformer data, and calculating the number of users directly powered by the corresponding ring network paths based on the ring network path direct power supply distribution transformer data and combining a low-voltage user file information table in the marketing system;
the second calculation module is used for determining all power distribution of power supply of each distribution network line to obtain distribution network line power supply distribution transformer data, and calculating the total power supply user number of the corresponding distribution network line based on the distribution network line power supply distribution transformer data and combining a low-voltage user file information table in the marketing system;
The third calculation module is used for calculating the ratio of the number of users directly powered by the ring network path to the total number of users of the distribution network path to obtain the ratio of the number of users directly powered by the corresponding ring network path;
the first analysis module is used for comparing the direct power supply user number proportion with a preset proportion threshold value, and judging that the corresponding ring network path belongs to the first ring network when the direct power supply user number proportion is smaller than the preset proportion threshold value, so as to obtain first ring network analysis result data;
the screening module is used for screening the distribution network lines meeting the first-segment ring network conditions as target distribution network lines according to the first-segment ring network analysis result data; the first-segment looped network condition is that all looped network paths on a distribution network line belong to a first-segment looped network;
the second analysis module is used for analyzing whether each target distribution network line meets the second first-segment ring network condition, judging the target distribution network line meeting the second first-segment ring network condition as a distribution network line belonging to the first-segment ring network, and obtaining a distribution network line first-segment ring network analysis result; and the second first-segment looped network condition is that the total power supply distribution variable of the target distribution network line is smaller than a first quantity threshold value and the total power supply user quantity is smaller than a second quantity threshold value.
According to one implementation manner of the second aspect of the present invention, the CIM model of the single line graph of the power distribution network is obtained from a central system of the device.
According to one implementation manner of the second aspect of the present invention, the grid structure data of the power distribution network further includes distribution transformer card data, and the first calculation module is specifically configured to, when calculating the number of users directly powered on a corresponding ring network path based on the ring network path direct power supply distribution transformer data in combination with a low-voltage user profile information table in a marketing system:
determining the distribution type of each distribution transformer in the ring network path direct power supply distribution transformer data according to the description about the distribution transformer type in the distribution transformer card data; the distribution type is divided into public distribution and special distribution;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the ring network path;
matching corresponding medium-voltage user numbers in the distribution transformer card data, acquiring low-voltage user data information corresponding to the public distribution transformer power supply from a low-voltage user archive information table in a marketing system based on the matched medium-voltage user numbers, and counting the obtained low-voltage user data information to obtain the total number of the low-voltage users powered by the public distribution transformer of the ring network path;
And calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the ring network path and the total number of low-voltage users supplied by the public distribution transformer of the ring network path, and taking the sum as the number of users directly supplied by the corresponding ring network path.
According to one implementation manner of the second aspect of the present invention, the second calculation module is specifically configured to, when calculating a total number of power supply users corresponding to the distribution network line based on the distribution network line power supply distribution data and in combination with a low-voltage user profile information table in the marketing system:
determining the distribution type of each distribution in the distribution card data according to the description about the distribution type in the distribution card data;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line;
the method comprises the steps of obtaining low-voltage user data information of power supply of a public distribution transformer from a low-voltage user archive information table in a marketing system based on a matched medium-voltage user number, and obtaining the total number of low-voltage users of the public distribution transformer of the distribution network based on statistics of the obtained low-voltage user data information;
And calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line and the total number of low-voltage users supplied by the public distribution transformer of the distribution network line, and taking the sum as the number of users supplied by the corresponding distribution network line.
According to one possible implementation of the second aspect of the present invention, the preset proportional threshold is 10%;
the first quantity threshold is 10;
and/or, the second number threshold is 2000.
According to one manner in which the second aspect of the invention can be implemented, the apparatus further comprises:
the construction module is used for constructing a distribution network line list belonging to the first-segment looped network based on the analysis result of the first-segment looped network of the distribution network line;
the first output display module is used for outputting and displaying the distribution network line list belonging to the first-segment ring network; the distribution network line list belonging to the first-segment ring network records related information of distribution network lines belonging to the first-segment ring network, wherein the related information comprises a regional office to which the lines belong, a power supply station to which the lines belong, a transformer substation to which the lines belong, line names, total power supply user numbers of the lines and/or total power supply distribution variables of the lines.
According to one manner in which the second aspect of the invention can be implemented, the apparatus further comprises:
the statistics module is used for respectively counting the distribution network line return numbers of the power supply station, the district office and the all-city dimension belonging to the first-section looped network based on the analysis result of the first-section looped network of the distribution network line, and counting the total distribution network line return numbers corresponding to the power supply station, the district office and the all-city dimension to obtain corresponding statistics data;
And the second output display module is used for respectively calculating the proportion of the first-segment looped network lines corresponding to the dimensions of the power supply station, the district office and the whole city according to the statistical data and outputting and displaying the proportion of the first-segment looped network lines.
The third aspect of the invention provides an automatic analysis device for a first-section looped network of a power distribution network, comprising:
a memory for storing instructions; the instructions are used for realizing the automatic analysis method of the first-section looped network of the power distribution network in the mode which can be realized by any one of the above steps;
and the processor is used for executing the instructions in the memory.
A fourth aspect of the present invention is a computer readable storage medium, where a computer program is stored, where the computer program when executed by a processor implements a method for automatically analyzing a first ring network segment of a power distribution network according to any one of the above modes.
From the above technical scheme, the invention has the following advantages:
the method comprises the steps of determining a ring network path of a distribution network line based on switching account data analyzed by a CIM (common information model) of a single line diagram of the distribution network, and analyzing the number of users directly powered by the ring network path and the total number of users powered by the distribution network line by combining marketing system data; calculating the ratio of the number of users directly powered by the ring network path to the total number of users powered by the affiliated distribution network line to obtain the direct power supply user number ratio of the corresponding ring network path, and judging that the corresponding ring network path belongs to the first ring network when the direct power supply user number ratio is smaller than a preset ratio threshold value to obtain first ring network analysis result data; screening distribution network lines meeting the first-segment looped network conditions according to the first-segment looped network analysis result data to serve as target distribution network lines; judging a target distribution network line meeting the second first-segment ring network condition as a distribution network line belonging to a first-segment ring network to obtain a first-segment ring network analysis result of the distribution network line, wherein the first-segment ring network condition is set as that all ring network paths on the distribution network line belong to the first-segment ring network, and the second first-segment ring network condition is set as that the total power supply distribution variable of the target distribution network line is smaller than a first quantity threshold value and the total power supply user quantity is smaller than a second quantity threshold value; according to the invention, the automatic analysis of the first-section looped network of the power distribution network is realized, the working efficiency is improved compared with the traditional manual analysis mode of the first-section looped network of the power distribution network, the transformation of the grid frame of the power distribution network is performed based on the analysis result of the first-section looped network of the distribution network line, the grid frame structure level of the power distribution network can be greatly improved, and a good data foundation is laid for guaranteeing the reliable power supply of power users and improving the user satisfaction.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a flowchart of an automatic analysis method for a first ring network of a power distribution network according to an alternative embodiment of the present invention;
fig. 2 is a flowchart of a method for automatically analyzing a first ring network of a power distribution network according to another alternative embodiment of the present invention;
fig. 3 is a flowchart of a method for automatically analyzing a first ring network segment of a power distribution network according to another alternative embodiment of the present invention;
fig. 4 is a block diagram illustrating structural connection of an automatic analysis device for a first ring network of a power distribution network according to an alternative embodiment of the present invention;
fig. 5 is a block diagram of a structural connection of an automatic analysis device for a first ring network of a power distribution network according to another alternative embodiment of the present invention;
fig. 6 is a block diagram of structural connection of an automatic analysis device for a first ring network of a power distribution network according to another alternative embodiment of the present invention.
Reference numerals:
1-a data analysis module; 2-a determination module; 3-a first computing module; 4-a second calculation module; 5-a third calculation module; 6-a first analysis module; 7-a screening module; 8-a second analysis module; 9-building a module; 10-a first output presentation module; 11-a statistics module; 12-a second output presentation module.
Detailed Description
The embodiment of the invention provides a method, a device and equipment for automatically analyzing a first-segment looped network of a power distribution network, which are used for solving the technical problem of how to automatically analyze the first-segment looped network of the power distribution network.
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an automatic analysis method for a first-section looped network of a power distribution network.
Referring to fig. 1, fig. 1 shows a flowchart of a method for automatically analyzing a first-segment ring network of a power distribution network according to an embodiment of the present invention.
The embodiment of the invention provides a method for automatically analyzing a first-section looped network of a power distribution network, which comprises the following steps:
step S1, analyzing a CIM model of a single line diagram of a power distribution network to obtain grid structure data of the power distribution network; the grid structure data of the power distribution network comprise switching account data.
In one possible implementation, the CIM model of the single line graph of the distribution network is obtained from a central system of the device.
The equipment center system is an existing power system and stores a CIM model of a single line diagram of the power distribution network. The CIM model stores the connection relation of the upper and lower levels of the power distribution network equipment, and the network frame structure data of the power distribution network can be obtained by analyzing the CIM model.
Step S2, determining a looped network path of a distribution network line based on the switching ledger data; the looped network path is a power supply path between the looped network switch and the distribution network line outlet switch.
In this embodiment, the position of the ring network switch in the distribution network line is determined by the switching ledger data, and the power supply path from the topology to the distribution network line outlet switch is defined as the ring network path of the distribution network line.
As a specific embodiment, the device card data is obtained based on the CIM model, and the switch data is screened by the device card data, and the ring network switch with the value equal to "True" is screened in the switch data "ringing" field to analyze the ring network path, and the specific analysis process may include:
And acquiring the equipment connected at the upper stage of the looped network switching equipment card according to the description about the connection relation in the looped network switching equipment card, and recursively analyzing the equipment connected at the upper stage of the looped network switching equipment card again until recursively analyzing the outgoing line switch of the distribution network circuit, wherein the path is defined as the looped network path of the distribution network circuit.
Since one distribution network line may have a plurality of ring network switches, a plurality of ring network paths may be formed through the analysis.
And step S3, determining all distribution transformers directly powered by each ring network path to obtain ring network path direct power supply distribution transformer data, and calculating the number of users directly powered by the corresponding ring network paths based on the ring network path direct power supply distribution transformer data and combining a low-voltage user file information table in a marketing system.
In this embodiment, the ring network path based on the distribution network line analyzes the distribution variable of the direct power supply, and associates the distribution variable data with the marketing system through the ring network path direct power supply, so as to obtain the low-voltage user number of the public distribution transformer power supply, and further calculate the user number corresponding to the ring network path direct power supply.
When all the distribution transformers directly powered by the ring network paths are determined, topology analysis is carried out on the equipment connection relations in the ring network paths, so that the distribution transformers directly powered in the ring network paths are obtained.
In one implementation manner, the grid structure data of the power distribution network further includes distribution transformer card data, and the calculation of the number of users corresponding to the direct power supply of the ring network path based on the direct power supply distribution transformer data of the ring network path is performed in combination with a low-voltage user profile information table in the marketing system, and includes:
determining the distribution type of each distribution transformer in the ring network path direct power supply distribution transformer data according to the description about the distribution transformer type in the distribution transformer card data; the distribution type is divided into public distribution and special distribution;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the ring network path;
matching corresponding medium-voltage user numbers in the distribution transformer card data, acquiring low-voltage user data information corresponding to the public distribution transformer power supply from a low-voltage user archive information table in a marketing system based on the matched medium-voltage user numbers, and counting the obtained low-voltage user data information to obtain the total number of the low-voltage users powered by the public distribution transformer of the ring network path;
And calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the ring network path and the total number of low-voltage users supplied by the public distribution transformer of the ring network path, and taking the sum as the number of users directly supplied by the corresponding ring network path.
The distribution transformer card data generally comprises a distribution transformer GISID (geographic information system identification), and in a specific implementation manner, when the corresponding medium-voltage user number is matched in the distribution transformer card data, the medium-voltage user number can be matched to the associated medium-voltage user number in the marketing system through the distribution transformer GISID. For public distribution, the low-voltage user numbers corresponding to power supply can be associated in the marketing system through the medium-voltage user numbers. When the total number of the low-voltage users supplied by the public distribution transformer of the ring network path is counted based on the obtained low-voltage user data information, the low-voltage user numbers can be used as key user identifications, and the sum of the numbers of the low-voltage users supplied by the public distribution transformer of the ring network path is calculated and used as the total number of the low-voltage users supplied by the public distribution transformer of the ring network path.
And S4, determining all power distribution of power supply of each distribution network line to obtain distribution network line power supply distribution transformer data, and calculating the total power supply user number corresponding to the distribution network line based on the distribution network line power supply distribution transformer data and combining a low-voltage user file information table in a marketing system.
In one implementation manner, the calculating the total power supply user number corresponding to the distribution network line based on the distribution network line power supply distribution data and in combination with the low-voltage user profile information table in the marketing system includes:
determining the distribution type of each distribution in the distribution card data according to the description about the distribution type in the distribution card data;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line;
the method comprises the steps of obtaining low-voltage user data information of power supply of a public distribution transformer from a low-voltage user archive information table in a marketing system based on a matched medium-voltage user number, and obtaining the total number of low-voltage users of the public distribution transformer of the distribution network based on statistics of the obtained low-voltage user data information;
and calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line and the total number of low-voltage users supplied by the public distribution transformer of the distribution network line, and taking the sum as the number of users supplied by the corresponding distribution network line.
When the total number of the low-voltage users supplied by the public distribution transformer of the distribution network line is counted based on the obtained low-voltage user data information, the low-voltage user number can be used as a key user identification, and the sum of the numbers of the low-voltage users supplied by the public distribution transformer of the distribution network line can be calculated to be used as the total number of the low-voltage users supplied by the public distribution transformer of the distribution network line.
In this embodiment, the description about the distribution transformer type in the distribution transformer card data determines the distribution transformer type of each distribution transformer in the distribution network line power supply distribution transformer data, and the statistics of the total number of low-voltage users powered by the distribution network line is realized through the association between the medium-voltage user numbers of the public distribution transformers and the low-voltage user file information table in the marketing system.
And S5, calculating the ratio of the number of users directly powered by the ring network path to the total number of users powered by the affiliated distribution network line, and obtaining the ratio of the number of users directly powered by the corresponding ring network path.
And S6, comparing the direct power supply user number proportion with a preset proportion threshold, and judging that the corresponding ring network path belongs to the first ring network when the direct power supply user number proportion is smaller than the preset proportion threshold, so as to obtain first ring network analysis result data.
In the embodiment, based on the number of users directly powered by the loop network path of the distribution network line and the total number of users powered by the distribution network line, the intelligent diagnosis and analysis of whether the loop network path is the first-segment loop network are realized, and the method is simple and convenient.
The preset proportional threshold may be set according to actual conditions.
In one implementation manner, the preset proportion threshold is 10%, that is, when the value obtained by dividing the number of users directly powered by the ring network path by the total number of users powered by the belonging distribution network line is less than 10%, it is determined that the corresponding ring network path belongs to the first ring network.
Step S7, screening the distribution network lines meeting the first-segment ring network conditions as target distribution network lines according to the first-segment ring network analysis result data; the first-segment looped network condition is that all looped network paths on a distribution network line belong to the first-segment looped network.
In this embodiment, the proportion of the number of direct power supply users of all ring network paths of the distribution network line is analyzed, and if all ring network paths meet the first ring network condition, the corresponding distribution network line is defined as the target distribution network line; if the ring network path does not meet the first-segment ring network condition, the distribution network line is not in the first-segment ring network.
S8, analyzing whether each target distribution network line meets a second first-segment ring network condition, judging the target distribution network line meeting the second first-segment ring network condition as a distribution network line belonging to the first-segment ring network, and obtaining a distribution network line first-segment ring network analysis result; and the second first-segment looped network condition is that the total power supply distribution variable of the target distribution network line is smaller than a first quantity threshold value and the total power supply user quantity is smaller than a second quantity threshold value.
The first number threshold and the second number threshold may be set according to actual situations.
In one implementation, the first number threshold is set to 10 and the second number threshold is set to 2000. Analyzing the total power supply distribution variable and the total power supply user number of the target distribution network line, and defining that the distribution network line meets the second first-segment ring network condition if the total power supply distribution variable of the target distribution network line is smaller than 10 and the total power supply user number of the target distribution network line is smaller than 2000; if the power supply distribution variable of the target distribution network line is more than or equal to 10 or the total power supply user number of the target distribution network line is more than or equal to 2000, defining that the distribution network line does not meet the second first-segment ring network condition.
According to the embodiment of the invention, the automatic analysis of the first-section looped network of the power distribution network is realized, the working efficiency is improved compared with the traditional manual analysis mode of the first-section looped network of the power distribution network, the transformation of the grid frame of the power distribution network is performed based on the analysis result of the first-section looped network of the distribution network line, the grid frame structure level of the power distribution network can be greatly improved, and a good data foundation is laid for guaranteeing the reliable power supply of power users and improving the user satisfaction.
In one implementation, on the basis of the method shown in fig. 1, as shown in fig. 2, the method further includes:
step S9, constructing a distribution network line list belonging to the first-segment looped network based on the analysis result of the first-segment looped network of the distribution network line;
and step S10, outputting and displaying the distribution network line list belonging to the first-segment looped network.
The distribution network line list belonging to the first-segment ring network records related information of distribution network lines belonging to the first-segment ring network, wherein the related information comprises a regional office to which the lines belong, a power station to which the lines belong, a transformer substation to which the lines belong, line names, total line power supply user numbers and/or total line power supply distribution variables.
In the embodiment of the invention, through the output display of the distribution network line list belonging to the first-segment ring network, related personnel can conveniently and quickly know the condition of the distribution network line belonging to the first-segment ring network, thereby being beneficial to improving the efficiency of modifying the distribution network frame.
In one implementation, on the basis of the method shown in fig. 2, as shown in fig. 3, the method further includes:
step S11, based on the analysis result of the first-segment ring network of the distribution network line, respectively counting the distribution network line return numbers of the power supply station, the district office and the whole city dimension belonging to the first-segment ring network, and counting the total distribution network line return numbers corresponding to the power supply station, the district office and the whole city dimension, so as to obtain corresponding statistical data;
And step S12, respectively calculating the ratios of the first-segment looped network lines corresponding to the power supply station, the district and the all-city dimensions according to the statistical data, and outputting and displaying the ratios of the first-segment looped network lines.
In the embodiment, the proportion of the first-segment ring network lines in the dimensions of the power supply station, the district office and the whole city is displayed, so that relevant personnel can conveniently and quickly know the condition of the whole distribution network lines.
The invention also provides an automatic analysis device for the first-segment looped network of the power distribution network, which can be used for executing the automatic analysis method for the first-segment looped network of the power distribution network according to any one of the embodiments of the invention.
Referring to fig. 4, fig. 4 shows a block diagram of structural connection of an automatic analysis device for a first-segment ring network of a power distribution network according to an embodiment of the present invention.
The embodiment of the invention provides an automatic analysis device for a first-section looped network of a power distribution network, which comprises the following components:
the data analysis module 1 is used for analyzing the CIM model of the single line diagram of the power distribution network to obtain grid structure data of the power distribution network; the grid structure data of the power distribution network comprises switching account data;
a determining module 2, configured to determine a ring network path of the distribution network line based on the switch ledger data; the looped network path is a power supply path between the looped network switch and the distribution network line outlet switch;
The first calculating module 3 is configured to determine all the power distribution transformers directly powered by each ring network path to obtain ring network path direct power distribution transformer data, and calculate the number of users directly powered by the corresponding ring network paths based on the ring network path direct power distribution transformer data in combination with a low-voltage user profile information table in the marketing system;
the second calculation module 4 is configured to determine all power distributions of power supply of each distribution network line to obtain distribution network line power supply distribution transformer data, and calculate a total power supply user number corresponding to the distribution network line based on the distribution network line power supply distribution transformer data in combination with a low-voltage user profile information table in the marketing system;
the third calculation module 5 is configured to calculate a ratio of a number of users directly powered by the ring network path to a total number of users powered by the distribution network path to obtain a ratio of the number of users directly powered by the corresponding ring network path;
the first analysis module 6 is configured to compare the ratio of the number of users directly supplied with the preset ratio threshold, and determine that the corresponding ring network path belongs to the first ring network when the ratio of the number of users directly supplied with power is less than the preset ratio threshold, so as to obtain first ring network analysis result data;
the screening module 7 is used for screening the distribution network lines meeting the first-segment looped network conditions as target distribution network lines according to the first-segment looped network analysis result data; the first-segment looped network condition is that all looped network paths on a distribution network line belong to a first-segment looped network;
The second analysis module 8 is configured to analyze whether each of the target distribution network lines meets a second first-segment ring network condition, determine that the target distribution network line meeting the second first-segment ring network condition is a distribution network line belonging to the first-segment ring network, and obtain a first-segment ring network analysis result of the distribution network line; and the second first-segment looped network condition is that the total power supply distribution variable of the target distribution network line is smaller than a first quantity threshold value and the total power supply user quantity is smaller than a second quantity threshold value.
In one possible implementation, the CIM model of the single line graph of the distribution network is obtained from a central system of the device.
In one implementation manner, the grid structure data of the power distribution network further includes distribution transformer card data, and the first calculation module 3 is specifically configured to, when calculating the number of users corresponding to the direct power supply of the ring network path by combining the low-voltage user profile information table in the marketing system based on the direct power supply distribution transformer data of the ring network path:
determining the distribution type of each distribution transformer in the ring network path direct power supply distribution transformer data according to the description about the distribution transformer type in the distribution transformer card data; the distribution type is divided into public distribution and special distribution;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the ring network path;
Matching corresponding medium-voltage user numbers in the distribution transformer card data, acquiring low-voltage user data information corresponding to the public distribution transformer power supply from a low-voltage user archive information table in a marketing system based on the matched medium-voltage user numbers, and counting the obtained low-voltage user data information to obtain the total number of the low-voltage users powered by the public distribution transformer of the ring network path;
and calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the ring network path and the total number of low-voltage users supplied by the public distribution transformer of the ring network path, and taking the sum as the number of users directly supplied by the corresponding ring network path.
In one implementation manner, the second calculating module 4 is configured to calculate, based on the distribution network line power supply distribution data, when the total power supply user number corresponding to the distribution network line is calculated in combination with the low-voltage user profile information table in the marketing system, specifically:
determining the distribution type of each distribution in the distribution card data according to the description about the distribution type in the distribution card data;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line;
The method comprises the steps of obtaining low-voltage user data information of power supply of a public distribution transformer from a low-voltage user archive information table in a marketing system based on a matched medium-voltage user number, and obtaining the total number of low-voltage users of the public distribution transformer of the distribution network based on statistics of the obtained low-voltage user data information;
and calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line and the total number of low-voltage users supplied by the public distribution transformer of the distribution network line, and taking the sum as the number of users supplied by the corresponding distribution network line.
In one possible implementation, the preset proportional threshold is 10%;
the first quantity threshold is 10;
and/or, the second number threshold is 2000.
In one possible implementation, on the basis of the apparatus shown in fig. 4, as shown in fig. 5, the apparatus further includes:
a construction module 9, configured to construct a distribution network line list belonging to the first-segment ring network based on the analysis result of the first-segment ring network of the distribution network line;
and the first output display module 10 is used for outputting and displaying the distribution network line list belonging to the first-segment looped network.
The distribution network line list belonging to the first-segment ring network records related information of distribution network lines belonging to the first-segment ring network, wherein the related information comprises a regional office to which the lines belong, a power station to which the lines belong, a transformer substation to which the lines belong, line names, total line power supply user numbers and/or total line power supply distribution variables.
In one possible implementation, on the basis of the apparatus shown in fig. 5, as shown in fig. 6, the apparatus further includes:
the statistics module 11 is configured to respectively count, based on the analysis result of the first ring network of the distribution network line, the distribution network line return numbers of the power supply station, the district office, and the all-city dimension belonging to the first ring network, and count the total distribution network line return numbers corresponding to the power supply station, the district office, and the all-city dimension, so as to obtain corresponding statistics data;
and the second output display module 12 is configured to calculate, according to the statistical data, ratios of first-segment ring network lines corresponding to the power supply station, the district office and the all-city dimensions, and output and display the ratios of the first-segment ring network lines.
The invention also provides an automatic analysis device for the first-section looped network of the power distribution network, which comprises the following steps:
a memory for storing instructions; the instructions are used for realizing the automatic analysis method for the first-segment looped network of the power distribution network according to any one of the embodiments;
and the processor is used for executing the instructions in the memory.
The invention also provides a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and the computer program realizes the automatic analysis method of the first-segment looped network of the power distribution network according to any one of the embodiments when being executed by a processor.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the apparatus, device, module and unit described above may refer to corresponding procedures in the foregoing method embodiments, and specific beneficial effects of the apparatus, device, module and unit described above may refer to corresponding beneficial effects in the foregoing method embodiments, which are not described herein again.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus, device, and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple modules or components may be combined or integrated into another apparatus, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or modules, which may be in electrical, mechanical, or other forms.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in each embodiment of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module. The integrated modules may be implemented in hardware or in software functional modules.
The integrated modules, if implemented in the form of software functional modules 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 invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The automatic analysis method for the first-segment looped network of the power distribution network is characterized by comprising the following steps of:
analyzing a CIM model of a single line diagram of the power distribution network to obtain grid structure data of the power distribution network; the grid structure data of the power distribution network comprises switching account data;
determining a looped network path of a distribution network line based on the switching account data; the looped network path is a power supply path between the looped network switch and the distribution network line outlet switch;
determining all distribution transformers directly powered by each ring network path to obtain ring network path direct power supply distribution transformer data, and calculating the number of users corresponding to the ring network path direct power supply by combining a low-voltage user file information table in a marketing system based on the ring network path direct power supply distribution transformer data;
Determining all power distribution of power supply of each distribution network line to obtain distribution network line power supply distribution data, and calculating the total power supply user number of the corresponding distribution network line based on the distribution network line power supply distribution data and combining a low-voltage user file information table in a marketing system;
calculating the ratio of the number of users directly powered by the ring network path to the total number of users powered by the affiliated distribution network line to obtain the ratio of the number of users directly powered by the corresponding ring network path;
comparing the direct power supply user number proportion with a preset proportion threshold value, and judging that the corresponding ring network path belongs to the first ring network when the direct power supply user number proportion is smaller than the preset proportion threshold value, so as to obtain first ring network analysis result data;
screening the distribution network lines meeting the first-segment ring network conditions according to the first-segment ring network analysis result data to serve as target distribution network lines; the first-segment looped network condition is that all looped network paths on a distribution network line belong to a first-segment looped network;
analyzing whether each target distribution network line meets a second first-segment ring network condition, judging the target distribution network line meeting the second first-segment ring network condition as a distribution network line belonging to the first-segment ring network, and obtaining a first-segment ring network analysis result of the distribution network line; and the second first-segment looped network condition is that the total power supply distribution variable of the target distribution network line is smaller than a first quantity threshold value and the total power supply user quantity is smaller than a second quantity threshold value.
2. The automatic analysis method for the first-segment looped network of the power distribution network according to claim 1, wherein the CIM model of the single line diagram of the power distribution network is obtained from a device center system.
3. The automatic analysis method of the first-segment looped network of the power distribution network according to claim 1, wherein the network frame structure data of the power distribution network further comprises distribution transformer card data, the distribution transformer data is directly powered on based on the looped network path, and the user number corresponding to the looped network path and directly powered on is calculated by combining a low-voltage user archive information table in a marketing system, and the method comprises the following steps:
determining the distribution type of each distribution transformer in the ring network path direct power supply distribution transformer data according to the description about the distribution transformer type in the distribution transformer card data; the distribution type is divided into public distribution and special distribution;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the ring network path;
matching corresponding medium-voltage user numbers in the distribution transformer card data, acquiring low-voltage user data information corresponding to the public distribution transformer power supply from a low-voltage user archive information table in a marketing system based on the matched medium-voltage user numbers, and counting the obtained low-voltage user data information to obtain the total number of the low-voltage users powered by the public distribution transformer of the ring network path;
And calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the ring network path and the total number of low-voltage users supplied by the public distribution transformer of the ring network path, and taking the sum as the number of users directly supplied by the corresponding ring network path.
4. The automatic analysis method for the first-segment ring network of the power distribution network according to claim 3, wherein the calculating the total power supply user number of the corresponding distribution network line based on the distribution network line power supply distribution data and in combination with the low-voltage user profile information table in the marketing system comprises the following steps:
determining the distribution type of each distribution in the distribution card data according to the description about the distribution type in the distribution card data;
matching corresponding medium-voltage user numbers in the distribution transformer card data, defining the special distribution transformer with the same medium-voltage user number as the same user, and counting to obtain the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line;
the method comprises the steps of obtaining low-voltage user data information of power supply of a public distribution transformer from a low-voltage user archive information table in a marketing system based on a matched medium-voltage user number, and obtaining the total number of low-voltage users of the public distribution transformer of the distribution network based on statistics of the obtained low-voltage user data information;
And calculating the sum of the total number of medium-voltage users supplied by the special distribution transformer of the distribution network line and the total number of low-voltage users supplied by the public distribution transformer of the distribution network line, and taking the sum as the number of users supplied by the corresponding distribution network line.
5. The automatic analysis method for the first-segment looped network of the power distribution network according to claim 1, wherein the preset proportion threshold value is 10%;
the first quantity threshold is 10;
and/or, the second number threshold is 2000.
6. The automatic analysis method for a first-segment ring network of a power distribution network according to claim 1, wherein the method further comprises:
constructing a distribution network line list belonging to the first-segment looped network based on the analysis result of the first-segment looped network of the distribution network line;
outputting and displaying the distribution network line list belonging to the first-segment looped network; the distribution network line list belonging to the first-segment ring network records related information of distribution network lines belonging to the first-segment ring network, wherein the related information comprises a regional office to which the lines belong, a power supply station to which the lines belong, a transformer substation to which the lines belong, line names, total power supply user numbers of the lines and/or total power supply distribution variables of the lines.
7. The method for automatically analyzing the first-segment ring network of the power distribution network according to claim 6, wherein the method further comprises:
Based on the analysis result of the first-segment ring network of the distribution network line, respectively counting the distribution network line return numbers of the power supply station, the regional office and the whole city dimension belonging to the first-segment ring network, and counting the total distribution network line return numbers corresponding to the power supply station, the regional office and the whole city dimension to obtain corresponding statistical data;
and respectively calculating the first-segment ring network line proportion corresponding to the power supply station, the district office and the all-city dimension according to the statistical data, and outputting and displaying the first-segment ring network line proportion.
8. An automatic analysis device of a first-section looped network of a power distribution network, which is characterized by comprising:
the data analysis module is used for analyzing the CIM model of the single line diagram of the power distribution network to obtain grid structure data of the power distribution network; the grid structure data of the power distribution network comprises switching account data;
the determining module is used for determining a looped network path of the distribution network line based on the switching ledger data; the looped network path is a power supply path between the looped network switch and the distribution network line outlet switch;
the first calculation module is used for determining all distribution transformers directly powered by each ring network path to obtain ring network path direct power supply distribution transformer data, and calculating the number of users directly powered by the corresponding ring network paths based on the ring network path direct power supply distribution transformer data and combining a low-voltage user file information table in the marketing system;
The second calculation module is used for determining all power distribution of power supply of each distribution network line to obtain distribution network line power supply distribution transformer data, and calculating the total power supply user number of the corresponding distribution network line based on the distribution network line power supply distribution transformer data and combining a low-voltage user file information table in the marketing system;
the third calculation module is used for calculating the ratio of the number of users directly powered by the ring network path to the total number of users of the distribution network path to obtain the ratio of the number of users directly powered by the corresponding ring network path;
the first analysis module is used for comparing the direct power supply user number proportion with a preset proportion threshold value, and judging that the corresponding ring network path belongs to the first ring network when the direct power supply user number proportion is smaller than the preset proportion threshold value, so as to obtain first ring network analysis result data;
the screening module is used for screening the distribution network lines meeting the first-segment ring network conditions as target distribution network lines according to the first-segment ring network analysis result data; the first-segment looped network condition is that all looped network paths on a distribution network line belong to a first-segment looped network;
the second analysis module is used for analyzing whether each target distribution network line meets the second first-segment ring network condition, judging the target distribution network line meeting the second first-segment ring network condition as a distribution network line belonging to the first-segment ring network, and obtaining a distribution network line first-segment ring network analysis result; and the second first-segment looped network condition is that the total power supply distribution variable of the target distribution network line is smaller than a first quantity threshold value and the total power supply user quantity is smaller than a second quantity threshold value.
9. An automatic analysis device of a first-section looped network of a power distribution network, which is characterized by comprising:
a memory for storing instructions; wherein the instructions are used for implementing the automatic analysis method of the first-segment looped network of the power distribution network according to any one of claims 1 to 7;
and the processor is used for executing the instructions in the memory.
10. A computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and when the computer program is executed by a processor, the computer program realizes the automatic analysis method of the first-segment looped network of the power distribution network according to any one of claims 1 to 7.
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