CN114693184B

CN114693184B - Automatic analysis method, system and equipment for network frame problem of distribution network line

Info

Publication number: CN114693184B
Application number: CN202210603447.2A
Authority: CN
Inventors: 邱桂华; 汤志锐; 邝梓佳; 周俊宇; 区伟潮; 聂家荣; 严周宇
Original assignee: Foshan Power Supply Bureau of Guangdong Power Grid Corp
Current assignee: Foshan Power Supply Bureau of Guangdong Power Grid Corp
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-22
Anticipated expiration: 2042-05-31
Also published as: CN114693184A

Abstract

The embodiment of the invention relates to an automatic analysis method, a system and equipment for grid problems of a distribution network line, wherein the method obtains main line analysis data, subsection analysis data, branch analysis data and power supply radius data by obtaining equipment attribute data, power supply path data and distribution transformer power supply user data of the distribution network line to be analyzed for the grid problems, respectively analyzes the grid problems according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data and outputs corresponding analysis results, thereby realizing the automatic disclosure and analysis of weak links of the grid structure of the distribution network, improving the working efficiency and achieving the purpose of reducing the load of a basic level; based on the automatic analysis of the distribution network space structure problem, the automatic statistical output of the distribution network space structure problem is realized, the support is provided for the accurate investment of a distribution network, and the purpose of enabling the power supply enterprise to develop is realized.

Description

Automatic analysis method, system and equipment for network frame problem of distribution network line

Technical Field

The invention relates to the technical field of distribution network line analysis, in particular to an automatic analysis method, system and device for a network frame problem of a distribution network line.

Background

The distribution network is as the very end of electric power system, and the direct connection power consumption customer, its power supply reliability directly influences user's power consumption perception. In order to enhance the power acquisition level of power consumers, power enterprises need to invest in the power distribution network to build a grid structure of the power distribution network. When carrying out the space truss structure transformation investment to the distribution network, need the problem that the analysis distribution network space truss structure exists, strive for to realize the perfect maximize of distribution network space truss structure under limited fund circumstances, reach the purpose of the accurate investment of distribution network.

At present, for the analysis of the grid structure of the power distribution network, basic level personnel are mainly relied on to manually check line by line based on a single line diagram of the power distribution network line and in combination with other data of a professional system, the method is time-consuming and labor-consuming, the efficiency is extremely low, the basic level burden is greatly increased, and the service requirement is difficult to meet. Meanwhile, the problems of inaccuracy, incomprehensiveness and the like of manual data analysis exist.

Disclosure of Invention

The embodiment of the invention provides an automatic analysis method, system and equipment for a network frame problem of a distribution network line, which are used for solving the technical problems that the existing analysis method for the network frame structure of the distribution network adopts manual analysis, and the analysis method has large workload, low efficiency and time and labor waste.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

an automatic analysis method for net rack problems of distribution network lines comprises the following steps:

acquiring equipment attribute data and power supply path data of a distribution network line to be subjected to net rack problem analysis according to a distribution network line single-line diagram model of an equipment center; acquiring distribution transformer power supply user data of the distribution network line to be subjected to network frame problem analysis from an equipment user account of the marketing system;

determining main line analysis data of the distribution network line according to the equipment attribute data;

determining sectional analysis data of the distribution network line according to the equipment attribute data and the power supply path data;

determining branch analysis data of a distribution network line according to the power supply path data and the distribution transformer power supply user data;

determining power supply radius data of a distribution network line according to the distribution transformer of the equipment attribute data, the outgoing line switch element and the length of the line segment of the power supply path data;

and respectively carrying out grid structure problem analysis according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data and outputting corresponding analysis results.

Preferably, the determining the main trunk analysis data of the distribution network line according to the device attribute data includes:

screening out line segment equipment data of a distribution network line from the equipment attribute data, screening out trunk line segment equipment data from the line segment equipment data, and extracting sectional area data of a trunk line segment from the trunk line segment equipment data;

screening a main line of which the distribution transformer is not directly connected with a main line through a switching element from the power supply path data, and counting the number of the distribution transformers directly connected with the main line within a certain distance range;

wherein the trunk analysis data includes sectional area data and distribution number of trunk line segments.

Preferably, the determining the section analysis data of the distribution network line according to the device attribute data and the power supply path data comprises:

extracting switching element positions and switching element attributes of the distribution network lines from the device attribute data; extracting an automatic switch in a distribution network line main line from the power supply path data according to the position of the switch element and the attribute of the switch element, and taking a line between the automatic switch and the next automatic switch connected on the main line as an automatic segmented line of the distribution network line;

extracting a first power supply user set of all distribution transformers corresponding to an automatic segmented circuit from the equipment attribute data and the distribution transformer power supply user data, and dividing power supply users of the first power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grades of the power supply users;

according to the medium-voltage power supply users and the low-voltage power supply users, a first medium-voltage power supply user value and a first low-voltage power supply user value of an automatic segmented line are determined in a centralized counting mode in the first power supply user;

wherein the segment analysis data comprises a first medium voltage power supply user value and a first low voltage power supply user value.

Preferably, the determining the branch analysis data of the distribution network line according to the power supply path data and the distribution transformer power supply user data comprises:

extracting first equipment connected to a main line from the power supply path data, and taking the equipment and all equipment connected with a rear line section thereof as branch lines of a distribution network line; taking all the distribution transformers on the branch line as power supply equipment data of the branch line according to the equipment attribute data;

extracting a second power supply user set of the branch line from the power supply user data of the distribution transformer based on all distribution transformers in the power supply equipment data, and dividing power supply users of the second power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grades of the power supply users;

according to the medium-voltage power supply users and the low-voltage power supply users, a second medium-voltage power supply user value and a second low-voltage power supply user value of branch line power supply equipment are determined through centralized statistics of the second power supply users;

wherein the branch analysis data comprises a second medium voltage power supply user value and a second low voltage power supply user value.

Preferably, determining power supply radius data of the distribution network line according to the distribution transformation of the device attribute data, the outgoing line switch element and the line segment length of the power supply path data includes:

extracting each distribution transformer and an outgoing line switch element of the distribution network line from the equipment attribute data;

extracting a line segment connected with each distribution transformer and outgoing line switch element from the power supply path data as a power supply line segment, and extracting a line segment length corresponding to the power supply line segment from the power supply path data;

calculating the power supply radius corresponding to the distribution transformer according to the line length of all the power supply line sections of each distribution transformer;

wherein the power supply radius data includes a power supply radius of the distribution transformer.

Preferably, the performing the grid structure problem analysis according to the trunk line analysis data, the segment analysis data, the branch analysis data, and the power supply radius data, and outputting the corresponding analysis results includes:

if the sectional area data of the main line analysis data is smaller than the sectional area threshold, outputting a distribution network line net rack problem that a neck sub-line segment exists in the distribution network line main line;

if the distribution variable quantity of the main line analysis data is not less than the distribution variable quantity threshold value, outputting a distribution network line network frame problem that the distribution network line has the distribution variable of lantern hanging;

if the first medium-voltage power supply user value of the segmented analysis data is larger than a first medium-voltage user threshold value or the first low-voltage power supply user value of the segmented analysis data is larger than a first low-voltage user threshold value, outputting a distribution network line grid problem that the number of power supply users existing in an automatic segmented line of a distribution network line is too large;

if the second medium-voltage power supply user value of the branch analysis data is greater than a second medium-voltage user threshold value or the second low-voltage power supply user value of the branch analysis data is greater than a second low-voltage user threshold value, outputting a distribution network line net rack problem that a branch line of the existing distribution network line is a large branch;

and if the power supply radius of the power supply radius data is larger than the power supply radius threshold value, outputting the power supply radius of the distribution network line network frame problem, namely the power supply radius of the distribution network line distribution transformer is too long.

The application also provides an automatic analysis system for the net rack problem of the distribution network line, which comprises: the system comprises a data acquisition module, a line trunk analysis module, a line section analysis module, a line branch analysis module, a line power supply radius analysis module and a result output module;

the data acquisition module is used for acquiring the equipment attribute data and the power supply path data of the distribution network line to be subjected to the net rack problem analysis according to a distribution network line single-line diagram model of the equipment center; acquiring distribution transformer power supply user data of the distribution network line to be subjected to network frame problem analysis from an equipment user account of the marketing system;

the line trunk line analysis module is used for determining trunk line analysis data of the distribution network line according to the equipment attribute data;

the line section analysis module is used for determining section analysis data of the distribution network line according to the equipment attribute data and the power supply path data;

the line branch analysis module is used for determining branch analysis data of a distribution network line according to the power supply path data and the distribution transformer power supply user data;

the line power supply radius analysis module is used for determining power supply radius data of a distribution network line according to the equipment attribute data and the power supply path data;

and the result output module is used for respectively carrying out grid structure problem analysis according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data and outputting corresponding analysis results.

Preferably, the line trunk analysis module is configured to screen out line segment device data of a distribution network line from the device attribute data, screen out trunk line segment device data from the line segment device data, and extract cross-sectional area data of a trunk line segment from the trunk line segment device data; the power supply path data is used for screening a main trunk line of which the distribution transformer is directly connected with a main trunk line without passing through a switching element from the power supply path data, and counting the quantity of the distribution transformers which are directly connected with the main trunk line within a certain distance range; and/or

The line segment analysis module is used for extracting an automatic switch in a main line of a distribution network line from the power supply path data according to the position of the switch element and the attribute of the switch element, and taking a line between the automatic switch and the next automatic switch connected on the main line as an automatic segment line of the distribution network line; extracting a first power supply user set corresponding to all distribution transformers of an automatic segmented circuit from the equipment attribute data and the distribution transformer power supply user data, and dividing power supply users of the first power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage levels of the power supply users; according to the medium-voltage power supply users and the low-voltage power supply users, a first medium-voltage power supply user value and a first low-voltage power supply user value of an automatic segmented line are determined in a centralized counting mode in the first power supply user; and/or

The line branch analysis module is used for extracting first equipment connected to a main line from the power supply path data, and taking the equipment and all equipment connected with a line section behind the equipment as branch lines of a distribution network line; taking all the distribution transformers on the branch line as power supply equipment data of the branch line according to the equipment attribute data; extracting a second power supply user set of the branch line from the power supply user data of the distribution transformer based on all distribution transformers in the power supply equipment data, and dividing power supply users of the second power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grades of the power supply users; according to the medium-voltage power supply users and the low-voltage power supply users, a second medium-voltage power supply user value and a second low-voltage power supply user value of branch line power supply equipment are determined from the second power supply user set statistics; and/or

The line power supply radius analysis module is used for extracting each distribution transformer and an outgoing line switch element of the distribution network line from the equipment attribute data; extracting a line segment connected with each distribution transformer and outgoing line switch element from the power supply path data as a power supply line segment, and extracting a line segment length corresponding to the power supply line segment from the power supply path data; calculating the power supply radius corresponding to the distribution transformer according to the line length of all the power supply line sections of each distribution transformer;

the main line analysis data comprises sectional area data and distribution transformer quantity of a main line segment, the subsection analysis data comprises a first medium-voltage power supply user numerical value and a first low-voltage power supply user numerical value, the branch analysis data comprises a second medium-voltage power supply user numerical value and a second low-voltage power supply user numerical value, and the power supply radius data comprises power supply radius of the distribution transformer.

Preferably, the outputting, by the result output module, the distribution network line rack problem analysis result includes:

outputting a network frame problem of a distribution network line main line to form a neck section according to the fact that the sectional area data of the main line analysis data is smaller than the sectional area threshold;

outputting the distribution network line net rack problem of the distribution network line with the lantern-hung distribution variation according to the fact that the distribution variation quantity of the main line analysis data is not smaller than the distribution variation quantity threshold value;

outputting a distribution network line grid problem that the number of power supply users existing in an automatic segmented line of a distribution network line is too large according to the condition that a first medium-voltage power supply user value of the segmented analysis data is larger than a first medium-voltage user threshold value or a first low-voltage power supply user value of the segmented analysis data is larger than a first low-voltage user threshold value;

outputting a distribution network line net rack problem that a branch line of the existing distribution network line is a large branch according to the condition that a second medium-voltage power supply user value of the branch analysis data is greater than a second medium-voltage user threshold value or a second low-voltage power supply user value of the branch analysis data is greater than a second low-voltage user threshold value;

and outputting the power supply radius of the distribution network line net rack problem to the overlong power supply radius of the distribution network line distribution transformer according to the condition that the power supply radius of the power supply radius data is larger than the power supply radius threshold value.

The application also provides a terminal device, which comprises a processor and a memory;

the memory is used for storing program codes and transmitting the program codes to the processor;

the processor is used for executing the automatic analysis method for the net rack problem of the distribution network line according to the instructions in the program codes.

According to the technical scheme, the embodiment of the invention has the following advantages: the embodiment of the application provides a method, a system and equipment for automatically analyzing the net rack problem of a distribution network line, wherein the method comprises the following steps: acquiring equipment attribute data and power supply path data of a distribution network line to be subjected to net rack problem analysis according to a distribution network line single-line diagram model of an equipment center; acquiring distribution transformer power supply user data of the distribution network line to be subjected to network frame problem analysis from an equipment user account of the marketing system; determining main line analysis data of the distribution network line according to the equipment attribute data; determining sectional analysis data of the distribution network line according to the equipment attribute data and the power supply path data; and/or determining branch analysis data of the distribution network line according to the power supply path data and the distribution transformer power supply user data; and/or determining power supply radius data of the distribution network line according to the distribution transformation of the equipment attribute data, the outgoing line switch element and the line segment length of the power supply path data; and respectively analyzing the grid structure problem and outputting corresponding analysis results according to the main line analysis data, the subsection analysis data, the branch analysis data and/or the power supply radius data. According to the automatic analysis method for the net rack problem of the distribution network line, the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data are obtained by obtaining the equipment attribute data, the power supply path data and the distribution transformer power supply user data of the distribution network line to be analyzed for the net rack problem, the net rack problem is analyzed according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data respectively, and corresponding analysis results are output, so that the automatic disclosure and analysis of the weak link of the net rack structure of the distribution network are realized, the working efficiency is improved, and the purpose of reducing the load of a basic level is achieved; based on the automatic analysis of distribution network spatial grid structure problem, realize the automatic statistics output of distribution network spatial grid structure problem, for the accurate investment of distribution network provides support, realized for the purpose of power supply enterprise development energized, solved and to have now adopt artifical analysis to distribution network spatial grid structure analysis, this analysis mode's work load is big, inefficiency and the technical problem that wastes time and energy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a flowchart illustrating steps of a method for automatically analyzing a grid structure problem of a distribution network according to an embodiment of the present disclosure;

fig. 2 is a block diagram of an automatic analysis system for grid rack problems of distribution network lines according to an embodiment of the present disclosure.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Interpretation of patent terms:

distribution transformers refer to transformers operating in a distribution network to transform voltage to a device suitable for consumer voltage.

The voltage of the medium voltage is: relative to a medium-voltage distribution network, the medium-voltage distribution network comprises 10kV to 35kV.

The low voltage is: generally referred to as 220V and 380V with respect to the low voltage distribution network.

The embodiment of the application provides an automatic analysis method, system and equipment for the grid structure problem of a distribution network line, and is used for solving the technical problems that the existing analysis method for the grid structure of the distribution network adopts manual analysis, and the analysis method is large in workload, low in efficiency, time-consuming and labor-consuming.

Fig. 1 is a flowchart illustrating steps of a method for automatically analyzing a network rack problem of a distribution network according to an embodiment of the present disclosure.

As shown in fig. 1, an embodiment of the present application provides an automatic analysis system for grid rack problems of distribution network lines, including the following steps:

s1, acquiring equipment attribute data and power supply path data of a distribution network line to be subjected to network frame problem analysis according to a distribution network line single-line diagram model of an equipment center; and acquiring the distribution transformer power supply user data of the distribution network line to be subjected to the network frame problem analysis from the equipment user account of the marketing system.

It should be noted that the equipment center has complete distribution network line account data as a source of production equipment account data. Meanwhile, the equipment center distribution network line ledger data is provided with distribution network line single line diagram model data in order to realize pushing of a distribution network single line diagram with an automatic master station system. Therefore, the updating of the distribution network equipment ledger data is realized by the basis power supply personnel through electronic handover in the equipment center, and historical equipment attribute data and power supply path data of the distribution network lines can be acquired through a distribution network line single-line diagram model and distribution network line ledger data of the equipment center.

In the embodiment of the application, the power supply path data of the distribution network line is obtained mainly based on the connection relationship of the devices in the single line model of the distribution network line, the power supply path is mainly represented as the connection relationship between the devices, for example, the previous device connected to the left side and the next device connected to the right side of a certain distribution network line segment are analyzed, and the power supply path of the whole distribution network line is obtained by analyzing and associating the connection relationship of all the devices.

In the application embodiment, the acquisition of the equipment attribute data of the distribution network line refers to the acquisition of the equipment attribute data in the distribution network line based on the description of an equipment card in a distribution network line single-line diagram model, wherein the equipment attribute data comprises distribution network equipment and equipment attributes. The distribution network equipment mainly comprises line segments, switch elements and distribution transformers, and the equipment attribute mainly comprises relevant fields such as equipment names, equipment types, equipment capacities, equipment positions and equipment GISIDs.

And S2, determining main line analysis data of the distribution network line according to the equipment attribute data.

It should be noted that, in step S2, the main trunk analysis data of the distribution network line is mainly obtained based on the device attribute data, so as to provide data for subsequent analysis of the network frame problem of the distribution network line.

And S3, determining the sectional analysis data of the distribution network line according to the equipment attribute data and the power supply path data.

It should be noted that, in step S3, the sectional analysis data of the distribution network line is mainly obtained based on the device attribute data and the power supply path data, so as to provide data for the subsequent problem analysis of the network frame of the distribution network line.

And S4, determining branch analysis data of the distribution network line according to the power supply path data and the distribution transformer power supply user data.

It should be noted that, in step S4, branch analysis data of the distribution network line is obtained mainly based on the power supply path data and the distribution transformer power supply user data, so as to provide data for subsequent analysis of the network rack problem of the distribution network line.

And S5, determining power supply radius data of the distribution network line according to the distribution transformation of the equipment attribute data, the outgoing line switch element and the line segment length of the power supply path data.

It should be noted that, in step S4, the branch analysis data of the distribution network line is obtained mainly based on the line segment lengths of the distribution transformation, the outgoing line switch element and the power supply path data according to the device attribute data, so as to provide data for subsequent problem analysis of the network frame of the distribution network line.

And S6, respectively analyzing the grid structure problem and outputting corresponding analysis results according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data.

It should be noted that, the grid structure problem analysis is mainly performed according to the trunk line analysis data, the segment analysis data, the branch analysis data, and the power supply radius data obtained in steps S2, S3, S4, and S5, respectively, so as to obtain a grid structure problem analysis result of the distribution network line.

The application provides an automatic analysis method for net rack problems of distribution network lines, which comprises the following steps: acquiring equipment attribute data and power supply path data of a distribution network line to be subjected to network frame problem analysis according to a distribution network line single-line diagram model of an equipment center; acquiring distribution transformer power supply user data of the distribution network line to be subjected to network frame problem analysis from an equipment user account of the marketing system; determining main line analysis data of the distribution network line according to the equipment attribute data; determining sectional analysis data of the distribution network line according to the equipment attribute data and the power supply path data; and/or determining branch analysis data of the distribution network line according to the power supply path data and the distribution transformer power supply user data; and/or determining power supply radius data of the distribution network line according to the distribution transformation of the equipment attribute data, the line length of the outgoing line switch element and the power supply path data; and respectively analyzing the grid structure problem and outputting corresponding analysis results according to the main line analysis data, the subsection analysis data, the branch analysis data and/or the power supply radius data. According to the automatic analysis method for the net rack problem of the distribution network line, the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data are obtained by obtaining the equipment attribute data, the power supply path data and the distribution transformer power supply user data of the distribution network line to be analyzed for the net rack problem, the net rack problem is analyzed according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data respectively, and corresponding analysis results are output, so that the automatic disclosure and analysis of the weak link of the net rack structure of the distribution network are realized, the working efficiency is improved, and the purpose of reducing the load of a basic level is achieved; based on the automatic analysis of distribution network spatial grid structure problem, realize the automatic statistics output of distribution network spatial grid structure problem, for the accurate investment of distribution network provides support, realized for the purpose of power supply enterprise development energized, solved and to have now adopt artifical analysis to distribution network spatial grid structure analysis, this analysis mode's work load is big, inefficiency and the technical problem that wastes time and energy.

In an embodiment of the present application, determining trunk analysis data of the distribution network line according to the device attribute data includes:

screening out line segment equipment data of the distribution network line from the equipment attribute data, screening out main line segment equipment data from the line segment equipment data, and extracting sectional area data of a main line segment from the main line segment equipment data;

screening a main line of which the distribution transformer is not directly connected with a main line through a switching element from power supply path data, and counting the quantity of the distribution transformers which are directly connected with the main line within a certain distance range;

the main line analysis data comprises sectional area data and distribution variable quantity of main line segments.

The certain distance may be 500m, or may be set according to the requirement. The distribution network line account data comprises distribution network line segment equipment and corresponding equipment attribute data, and the equipment attribute data comprises equipment position and sectional area data of the segment. The method comprises the steps of screening line segment equipment data of a main line from equipment attribute data of a distribution network line, firstly extracting an equipment position field corresponding to the line segment equipment data through the equipment attribute data, further extracting equipment with the equipment position field as the main line, and then extracting corresponding sectional area data through the equipment attribute of the main line segment, so that the sectional area data of the main line segment is obtained. The power supply path data obtained by the equipment center comprises the equipment power supply path relation of the line, the equipment power supply path relation mainly describes the power supply position and the connection relation of each distribution transformer, whether equipment such as a switch element exists between the distribution transformer and a main line or not is analyzed through the connection relation of the distribution transformer, and if the equipment does not exist the switch element but is directly connected to the main line through a line segment, the distribution transformer is directly connected to the main line and is marked as a main line; the number of distribution changes is then counted over a certain distance of the trunk line.

In one embodiment of the present application, determining the section analysis data of the distribution network line according to the device attribute data and the power supply path data includes:

extracting the positions and attributes of the switching elements of the distribution network lines from the equipment attribute data; extracting an automatic switch in a main line of the distribution network line from the power supply path data according to the position of the switch element and the attribute of the switch element, and taking a line between the automatic switch and the next automatic switch connected on the main line as an automatic sectional line of the distribution network line;

extracting a first power supply user set of all distribution transformers corresponding to the automatic segmented circuit from the equipment attribute data and the distribution transformer power supply user data, and dividing power supply users of the first power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grades of the power supply users;

according to medium-voltage power supply users and low-voltage power supply users, a first medium-voltage power supply user value and a first low-voltage power supply user value of an automatic segmented line are determined in a centralized statistics mode by the first power supply users;

the segmented analysis data comprises a first medium-voltage power supply user value and a first low-voltage power supply user value.

In the embodiment of the application, the positions (whether main lines are available) and the attributes (whether automatic switching is available) of the switching elements of the distribution network lines are screened from the equipment attribute data, so that the distribution network segment data are analyzed through the equipment attribute data. And screening the switch elements from the equipment attribute data, and screening the attribute fields of the switch elements according to the positions and the attributes of the switch elements to obtain the automatic switch in the trunk line of the distribution network line. And then, according to the automatic switch in the main line of the distribution network line, the upper and lower relations of the automatic switch are obtained through the connection relation of the automatic switch, and the line between the automatic switch and the next nearest connected automatic switch is used as an automatic sectional line of the distribution network line.

In the embodiment of the application, distribution transformers and power supply users for power supply in an automatic segmented line are extracted from equipment attribute data and distribution transformer power supply user data, all power supply users of the distribution transformers form a first power supply user set, and then the power supply users in the first power supply user set are divided into medium-voltage power supply users and low-voltage power supply users according to voltage levels, so that a first medium-voltage power supply user value and a first low-voltage power supply user value of the automatic segmented line are obtained.

In one embodiment of the present application, determining branch analysis data of the distribution network line according to the power supply path data and the distribution transformer power supply user data comprises:

extracting first equipment connected to a main line from power supply path data, and taking the equipment and all equipment connected with a rear line section thereof as branch lines of a distribution network line; taking all the distribution transformers on the branch line as power supply equipment data of the branch line according to the equipment attribute data;

according to the medium-voltage power supply users and the low-voltage power supply users, a second medium-voltage power supply user value and a second low-voltage power supply user value of the branch line power supply equipment are determined through centralized statistics of the second power supply users;

wherein the branch analysis data includes a second medium voltage power supply user value and a second low voltage power supply user value.

It should be noted that, the first device connected to the trunk line is extracted from the power supply path data of the distribution network line, and the device, all devices connected to the back end of the device, and the line segment are taken as a branch line, the power supply distribution in the branch line is the power supply device of the branch line, and all the power supply devices distributed and changed in the branch line constitute power supply device data; and then, acquiring corresponding power supply users from the power supply user data of the distribution transformer according to the distribution transformer supplied with power by the branch line, wherein all power supply users of the distribution transformer on the branch line form a second power supply user set, and then dividing the power supply users in the second power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grade, so as to obtain a second medium-voltage power supply user value and a second low-voltage power supply user value of the branch line. The device may be a switching element, a distribution transformer, etc.

In an embodiment of the application, determining the power supply radius data of the distribution network line according to the line segment lengths of the distribution transformation, the outgoing line switch element and the power supply path data of the device attribute data includes:

extracting each distribution transformer and outgoing line switch element of the distribution network line from the equipment attribute data;

extracting line segments connected with each distribution transformer and outgoing line switch element from the power supply path data as power supply line segments, and extracting line segment lengths corresponding to the power supply line segments from the power supply path data;

calculating the power supply radius corresponding to the distribution transformer according to the line length of all power supply line segments of each distribution transformer;

In the embodiment of the application, each distribution transformer for supplying power to the distribution network line is extracted from the equipment attribute data; and simultaneously, acquiring each line segment of each distribution transformer connected to the outgoing line switch element in the power supply path data, and then summarizing the sum of the lengths of all the line segments of the outgoing line switch element connected to the distribution transformer as the power supply radius of the distribution transformer.

It should be noted that the power supply path data includes connection relationships among all devices of the distribution network line, all line segments passed by the distribution transformer to the outgoing line switch element can be obtained from the power supply path data through the connection relationships, and based on the connection relationships between the left side and the right side of the devices of the distribution network line in the device center, the line segments passed by the distribution transformer to the outgoing line switch element can be analyzed, so that the sum of the lengths of all line segments in all power supply line segments can be obtained. For example, the connection relationship between the outgoing line switch element and the distribution transformer is as follows: the outgoing switch element is connected with the line segment A, the line segment A is connected with the line segment B, the line segment B is connected with the line segment C, the line segment C is connected with the distribution transformer, and the length from the distribution transformer to the outgoing switch element is the sum of the lengths of the line segments A, B and C. The line segment of the distribution transformer connected with the outgoing line switch element is a power supply line segment, namely, the power supply line segment = line segment a + line segment B + line segment C.

In an embodiment of the present application, performing the grid structure problem analysis and outputting the corresponding analysis result according to the trunk line analysis data, the segment analysis data, the branch analysis data, and the power supply radius data respectively includes:

if the sectional area data of the main line analysis data is smaller than the sectional area threshold value, outputting a distribution network line net rack problem that a neck sub-line segment exists in the distribution network line main line;

if the distribution transformer quantity of the main line analysis data is not less than the distribution transformer quantity threshold value, outputting a distribution network line net rack problem that the distribution network line has the distribution transformer of the lantern hanging;

if the first medium-voltage power supply user value of the sectional analysis data is larger than a first medium-voltage user threshold value or the first low-voltage power supply user value of the sectional analysis data is larger than a first low-voltage user threshold value, outputting a distribution network line net rack problem that the number of power supply users existing in an automatic sectional line of a distribution network line is too large;

if the second medium-voltage power supply user value of the branch analysis data is greater than the second medium-voltage user threshold value or the second low-voltage power supply user value of the branch analysis data is greater than the second low-voltage user threshold value, outputting a distribution network line net rack problem that a branch line of a distribution network line is a large branch at present;

and if the power supply radius of the power supply radius data is larger than the power supply radius threshold value, outputting the power distribution network line network frame problem that the power supply radius of the power distribution network line distribution transformer is too long.

It should be noted that, the cross-sectional area threshold, the distribution number threshold, the first medium voltage user threshold, the first low voltage user threshold, the second medium voltage user threshold, the second low voltage user threshold andthe power supply radius threshold value can be set according to requirements. In this embodiment, the threshold cross-sectional area may be 240mm ² The distribution variable number threshold may be 5, the first medium voltage user threshold may be 10, the first low voltage user threshold may be 2000, the second medium voltage user threshold may be 10, the second low voltage user threshold may be 1000, and the power supply radius threshold may be 3000m.

In an embodiment of the application, the output distribution network line network frame problem is that the content of the neck segment existing in the distribution network line trunk line includes a line name of the distribution network line, a minimum sectional area of the line, a starting position of the minimum sectional area, an ending position of the minimum sectional area, a segment model corresponding to the minimum sectional area, a line carrying capacity corresponding to the minimum sectional area and the minimum sectional area;

the output distribution network line net rack problem includes the content of the distribution transformer of the lantern hanging for the distribution network line: the method comprises the following steps that the line name, the line segment length, the number of line segment direct connection distribution transformers, the number of power supply users of the line segment connection distribution transformers, a line segment front-section switching element and a line segment rear-section switching element of a distribution network line are determined;

the output distribution network line network frame problem includes that the content of the excess number of power supply users exists in the automatic segmented line of the distribution network line: the system comprises a line name, a section total length, a first power supply user set, a first medium-voltage power supply user value, a first low-voltage power supply user value, a section starting switch element, a section sub-switch element number and all sub-switch elements;

the output distribution network line net rack problem is that the content that the branch line of the current distribution network line is a big branch comprises: the line name of the distribution network line, the branch line name, a second medium-voltage power supply user value, a second low-voltage power supply user value, a second power supply user set, the branch line length, whether a section switch element exists at the front section of the branch line or not and the branch line belongs to power distribution;

the content of the power supply radius overlong of the output distribution network line network frame problem for the distribution network line distribution transformer comprises the following contents: the power distribution network line comprises a line name of a distribution network line, a power supply radius overlong accompanying distribution transformer or branch line, a power supply radius overlong distribution transformer name, a distribution transformer GISID address, a power supply radius of a distribution transformer, a cable length of a power supply radius of the distribution transformer and an overhead length of the power supply radius of the distribution transformer.

In the embodiment of the application, the automatic analysis method for the net rack problem of the distribution network line realizes the automatic analysis of the weak link of the net rack structure of the distribution network, greatly improves the working efficiency of base-level personnel, and achieves the purpose of reducing burden of a base level; meanwhile, automatic revealing and analyzing of the power distribution network structure problem realize automatic statistics output of the power distribution network structure problem, support is provided for accurate investment of a power distribution network, and the purpose of enabling power supply enterprises to develop is achieved.

Example two:

fig. 2 is a block diagram of an automatic analysis system for network rack problems of distribution network according to an embodiment of the present disclosure.

As shown in fig. 2, the present application further provides an automatic analysis system for grid rack problems of distribution network lines, which includes a data acquisition module 10, a line trunk analysis module 20, a line segment analysis module 30, a line branch analysis module 40, a line power supply radius analysis module 50, and a result output module 60;

the data acquisition module 10 is configured to acquire, according to a distribution network line single-line diagram model in an equipment center, equipment attribute data and power supply path data of a distribution network line to be subjected to network frame problem analysis; acquiring distribution transformer power supply user data of the distribution network line to be subjected to network frame problem analysis from an equipment user account of the marketing system;

the line trunk line analysis module 20 is configured to determine trunk line analysis data of the distribution network line according to the device attribute data;

the line segment analysis module 30 is configured to determine segment analysis data of the distribution network line according to the device attribute data and the power supply path data;

the line branch analysis module 40 is used for determining branch analysis data of the distribution network line according to the power supply path data and the distribution transformer power supply user data;

the line power supply radius analysis module 50 is used for determining power supply radius data of the distribution network line according to the equipment attribute data and the power supply path data;

and a result output module 60, configured to perform grid structure problem analysis and output corresponding analysis results according to the trunk analysis data, the segment analysis data, the branch analysis data, and the power supply radius data.

In the embodiment of the present application, the line trunk analysis module 20 is configured to screen segment device data of a distribution network line from the device attribute data, screen trunk segment device data from the segment device data, and extract sectional area data of a trunk segment from the trunk segment device data; the system is also used for screening a main trunk line of which the distribution transformer is directly connected with a main trunk line without passing through a switching element from the power supply path data, and counting the quantity of the distribution transformers which are directly connected with the main trunk line within a certain distance range; and/or

The line segment analysis module 30 is configured to extract an automatic switch in the trunk line of the distribution network line from the power supply path data according to the position of the switching element and the attribute of the switching element, and use a line between the automatic switch and a next automatic switch connected to the trunk line as an automatic segment line of the distribution network line; extracting a first power supply user set of all distribution transformers corresponding to the automatic segmented circuit from the equipment attribute data and the distribution transformer power supply user data, and dividing power supply users of the first power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grades of the power supply users; according to medium-voltage power supply users and low-voltage power supply users, a first medium-voltage power supply user value and a first low-voltage power supply user value of an automatic segmented line are determined in a centralized counting mode in a first power supply user mode; and/or

The line branch analysis module 40 is configured to extract a first device connected to the trunk line from the power supply path data, and use the first device and all devices connected to the subsequent line segment as branch lines of the distribution network line; taking all the distribution transformers on the branch line as power supply equipment data of the branch line according to the equipment attribute data; extracting a second power supply user set of the branch line from the power supply user data of the distribution transformer based on all distribution transformers in the power supply equipment data, and dividing power supply users of the second power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grades of the power supply users; according to the medium-voltage power supply users and the low-voltage power supply users, a second medium-voltage power supply user value and a second low-voltage power supply user value of the branch line power supply equipment are determined through centralized statistics of the second power supply users; and/or

The line power supply radius analysis module 50 is configured to extract each distribution transformer and outgoing line switch element of the distribution network line from the device attribute data; extracting line segments connected with each distribution transformer and outgoing line switch element from the power supply path data as power supply line segments, and extracting line segment lengths corresponding to the power supply line segments from the power supply path data; calculating the power supply radius corresponding to the distribution transformer according to the line length of all power supply line segments of each distribution transformer;

In this embodiment of the application, the result output module 60 outputs the network rack problem analysis result of the distribution network line, which includes:

outputting a distribution network line network frame problem that a neck sub-line segment exists in a distribution network line main line according to the fact that the sectional area data of the main line analysis data is smaller than a sectional area threshold value;

outputting the net rack problem of the distribution network line to the distribution network line with the distribution transformation of the lantern hanging according to the fact that the distribution transformation quantity of the main line analysis data is not smaller than the distribution transformation quantity threshold value;

outputting a distribution network line net rack problem that the number of power supply users existing in an automatic subsection line of a distribution network line is too large according to the condition that a first medium-voltage power supply user value of subsection analysis data is larger than a first medium-voltage user threshold value or a first low-voltage power supply user value of subsection analysis data is larger than a first low-voltage user threshold value;

outputting a distribution network line net rack problem that a branch line of the current distribution network line is a large branch according to the fact that a second medium-voltage power supply user value of the branch analysis data is larger than a second medium-voltage user threshold value or a second low-voltage power supply user value of the branch analysis data is larger than a second low-voltage user threshold value;

and if the power supply radius according to the power supply radius data is larger than the power supply radius threshold value, outputting the power supply radius of the distribution network line network frame problem to the distribution network line distribution transformer which is too long.

It should be noted that the contents of the modules in the second system of the embodiment have been described in detail in the contents of the steps in the first method of the embodiment, and the details of the contents of the modules in the second system of the embodiment are not described herein.

Example three:

a memory for storing the program code and transmitting the program code to the processor;

and the processor is used for executing the automatic analysis method of the net rack problem of the distribution network line according to the instructions in the program codes.

It should be noted that the method for automatically analyzing the grid rack problem of the distribution network line is described in detail in the first embodiment, and is not described in detail herein. The processor is used for executing the steps in the embodiment of the automatic analysis method for the net rack problem of the distribution network line according to the instructions in the program codes. Alternatively, the processor, when executing the computer program, implements the functions of each module/unit in each system/apparatus embodiment described above.

Illustratively, a computer program may be partitioned into one or more modules/units, which are stored in a memory and executed by a processor to accomplish the present application. One or more modules/units may be a series of computer program instruction segments capable of performing certain functions, the instruction segments being used to describe the execution of the computer program in the terminal device.

The terminal device may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing device. The terminal device may include, but is not limited to, a processor, a memory. Those skilled in the art will appreciate that the terminal device is not limited and may include more or fewer components than those shown, or some components may be combined, or different components, e.g., the terminal device may also include input output devices, network access devices, buses, etc.

The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The storage may be an internal storage unit of the terminal device, such as a hard disk or a memory of the terminal device. The memory may also be an external storage device of the terminal device, such as a plug-in hard disk provided on the terminal device, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. Further, the memory may also include both an internal storage unit of the terminal device and an external storage device. The memory is used for storing computer programs and other programs and data required by the terminal device. The memory may also be used to temporarily store data that has been output or is to be output.

It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, 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 logical division, and other divisions may be realized in practice, for example, a plurality of 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 invention 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 invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute 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), a magnetic disk, or an optical disk, and various media capable of storing program codes.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention 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 invention.

Claims

1. An automatic analysis method for net rack problems of distribution network lines is characterized by comprising the following steps:

acquiring equipment attribute data and power supply path data of a distribution network line to be subjected to net rack problem analysis according to a distribution network line single-line diagram model of an equipment center; acquiring distribution transformer power supply user data of the distribution network line to be subjected to the network frame problem analysis from an equipment user ledger of the marketing system;

determining power supply radius data of a distribution network line according to the distribution transformer of the equipment attribute data, the outgoing line switch element and the line segment length of the power supply path data;

respectively analyzing the grid structure problem and outputting corresponding analysis results according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data;

determining the sectional analysis data of the distribution network line according to the equipment attribute data and the power supply path data comprises the following steps:

extracting switching element positions and switching element attributes of the distribution network lines from the device attribute data; extracting the automatic switch in the main line of the distribution network line from the power supply path data according to the position of the switch element and the attribute of the switch element, and taking a line between the automatic switch and the next automatic switch connected on the main line as an automatic sectional line of the distribution network line;

extracting a first power supply user set corresponding to all distribution transformers of an automatic segmented circuit from the equipment attribute data and the distribution transformer power supply user data, and dividing power supply users of the first power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage levels of the power supply users;

if the first medium-voltage power supply user value of the sectional analysis data is larger than a first medium-voltage user threshold value or the first low-voltage power supply user value of the sectional analysis data is larger than a first low-voltage user threshold value, outputting a distribution network line grid problem that the number of power supply users existing in an automatic sectional line of a distribution network line is too large;

wherein the segment analysis data comprises a first medium voltage supply user value and a first low voltage supply user value;

determining the main line analysis data of the distribution network line according to the equipment attribute data comprises the following steps:

the main line analysis data comprises sectional area data and distribution variable quantity of main line segments;

determining branch analysis data of a distribution network line according to the power supply path data and the distribution transformer power supply user data comprises the following steps:

according to the medium-voltage power supply users and the low-voltage power supply users, a second medium-voltage power supply user value and a second low-voltage power supply user value of branch line power supply equipment are determined from the second power supply user set statistics;

wherein the branch analysis data comprises a second medium voltage power supply user value and a second low voltage power supply user value;

determining power supply radius data of a distribution network line according to the distribution transformer of the equipment attribute data, the outgoing line switch element and the line length of the power supply path data comprises the following steps:

calculating the power supply radius corresponding to the distribution transformer according to the line segment lengths of all the power supply line segments of each distribution transformer;

wherein the power supply radius data comprises a power supply radius of a distribution transformer;

respectively performing grid structure problem analysis according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data, and outputting corresponding analysis results, wherein the analysis results comprise:

2. The utility model provides an automatic analysis system who joins in marriage net twine rack problem which characterized in that includes: the system comprises a data acquisition module, a line trunk analysis module, a line subsection analysis module, a line branch analysis module, a line power supply radius analysis module and a result output module;

the line segment analysis module is used for determining segment analysis data of the distribution network line according to the equipment attribute data and the power supply path data;

the result output module is used for respectively carrying out grid structure problem analysis according to the main line analysis data, the subsection analysis data, the branch analysis data and the power supply radius data and outputting corresponding analysis results;

the line segment analysis module is used for extracting the position and the attribute of a switch element of a distribution network line from the equipment attribute data, extracting an automatic switch in a distribution network line trunk line from the power supply path data according to the position and the attribute of the switch element, and taking a line between the automatic switch and the next automatic switch connected on the trunk line as an automatic segment line of the distribution network line; extracting a first power supply user set of all distribution transformers corresponding to an automatic segmented circuit from the equipment attribute data and the distribution transformer power supply user data, and dividing power supply users of the first power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grades of the power supply users; according to the medium-voltage power supply users and the low-voltage power supply users, a first medium-voltage power supply user value and a first low-voltage power supply user value of the automatic segmented line are determined in a centralized statistics mode by the first power supply users; wherein the segment analysis data comprises a first medium voltage supply user value and a first low voltage supply user value;

outputting a distribution network line grid problem to the condition that the number of power supply users of an automatic segmented line of a distribution network line is too large according to the condition that a first medium-voltage power supply user value of the segmented analysis data is larger than a first medium-voltage user threshold value or a first low-voltage power supply user value of the segmented analysis data is larger than a first low-voltage user threshold value;

the line trunk line analysis module is used for screening out line segment equipment data of a distribution network line from the equipment attribute data, screening out trunk line segment equipment data from the line segment equipment data, and extracting sectional area data of a trunk line segment from the trunk line segment equipment data; the power supply path data is used for screening a main trunk line of which the distribution transformer is directly connected with a main trunk line without passing through a switching element from the power supply path data, and counting the quantity of the distribution transformers which are directly connected with the main trunk line within a certain distance range;

the line branch analysis module is used for extracting first equipment connected to a main line from the power supply path data, and taking the equipment and all equipment connected with a line section behind the equipment as branch lines of a distribution network line; taking all the distribution transformers on the branch line as power supply equipment data of the branch line according to the equipment attribute data; extracting a second power supply user set of the branch line from the power supply user data of the distribution transformer based on all distribution transformers in the power supply equipment data, and dividing power supply users of the second power supply user set into medium-voltage power supply users and low-voltage power supply users according to the voltage grades of the power supply users; according to the medium-voltage power supply users and the low-voltage power supply users, a second medium-voltage power supply user value and a second low-voltage power supply user value of branch line power supply equipment are determined through centralized statistics of the second power supply users;

the line power supply radius analysis module is used for extracting each distribution transformer and an outgoing line switch element of the distribution network line from the equipment attribute data; extracting a line segment connected with each distribution transformer and outgoing line switch element from the power supply path data as a power supply line segment, and extracting a line segment length corresponding to the power supply line segment from the power supply path data; calculating the power supply radius corresponding to the distribution transformer according to the line segment lengths of all the power supply line segments of each distribution transformer;

the main line analysis data comprise sectional area data and distribution transformation quantity of a main line segment, the branch analysis data comprise a second medium-voltage power supply user value and a second low-voltage power supply user value, and the power supply radius data comprise power supply radius of distribution transformation;

the result output module outputs the analysis result of the network frame problem of the distribution network line, and comprises the following steps:

according to the fact that a second medium-voltage power supply user value of the branch analysis data is larger than a second medium-voltage user threshold value or a second low-voltage power supply user value of the branch analysis data is larger than a second low-voltage user threshold value, the problem that a network frame of the output distribution network line is that a branch line of the existing distribution network line is a large branch is solved;

and outputting the power supply radius of the distribution network line network frame problem to the overlong power supply radius of the distribution network line distribution transformer according to the condition that the power supply radius of the power supply radius data is larger than the power supply radius threshold value.

3. A terminal device comprising a processor and a memory;

the processor is configured to execute the method for automatically analyzing the grid rack problem of the distribution network according to the instructions in the program code, according to claim 1.