CN112286884A - Method, system and medium for automatically generating topology of ring main unit of power distribution network - Google Patents
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Abstract
The invention discloses a method, a system and a medium for automatically generating a topology of a ring main unit of a power distribution network, wherein the method comprises the steps of obtaining configuration and connection information description files of each ring main unit; analyzing the configuration and connection information description file of each ring main unit, acquiring the configuration information and connection information of each ring main unit, and generating a distribution network ring main unit topological feeder diagram according to the configuration and connection information of each ring main unit; carrying out topology connection check on the generated distribution network ring main unit topology feeder diagram, and outputting the generated distribution network ring main unit topology feeder diagram as a finally generated distribution network ring main unit topology feeder diagram if the check is passed; the system and the medium are completely corresponding to the method. The method can solve the problem that the topology of the power distribution network needs to be maintained manually through a plurality of systems, greatly reduces the pressure of base-level staffs, effectively relieves the problem that the graph is not consistent with the reality, and lays a foundation for the application of graph models such as power distribution network fault research and judgment.
Description
Technical Field
The invention relates to a power distribution network topology automatic generation technology, in particular to a power distribution network ring main unit topology automatic generation method, a system and a medium.
Background
In topology, a point and line relation method independent of size and shape is used for topology research. The power distribution network topology refers to corresponding concepts in topology, electrical equipment (such as switches) in the power distribution network is abstracted into one point, a power transmission medium (such as feeder lines) is abstracted into one line, and a geometric figure formed by the points and the lines is the power distribution network topology structure.
The power distribution network topology is a cornerstone of power distribution network fault study and judgment, fault self-healing, power failure area analysis and other high-level applications. With the increasing scale of the power distribution networks at all levels at present, the foundation is relatively weak, and the requirement of high-temperature and high-humidity operation environment in south on the operation reliability of power distribution equipment is higher, so that the power distribution network topology plays an increasingly important role.
At present, the topology of the power distribution network adopts a manual maintenance mode, and the main steps comprise: carrying out abnormal actions such as equipment addition or change and the like through a PMS (energy management system); performing large feeder analysis through a PMS; rearranging a large feeder line single line diagram through a PMS; carrying out graph-model synchronization by the graph-model center; carrying out graph mode inspection by the graph mode center; the optimization, the storage and the transmission of the single line diagram are automatically scheduled; and (4) guiding the graph model into a distribution automation main station.
At present, the maintenance of the power distribution network ring main unit topology needs to draw graphs and maintain equipment accounts one by one, the maintenance of a single ring main unit needs about 20 minutes, and the maintenance efficiency is low. Meanwhile, due to the graph model abnormal movement caused by line reconstruction (new construction), load transfer and the like, the graphs are inconsistent and difficult to apply. Therefore, how to realize the automatic generation of the power distribution network ring main unit topology becomes a key and seems to be a problem to be solved urgently.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problems in the prior art, the invention provides a method, a system and a medium for automatically generating the topology of the ring main unit of the power distribution network, which can solve the problem that the topology of the power distribution network needs to be maintained manually through a plurality of systems, greatly reduce the pressure of staff at the basic level, effectively relieve the problem that the graph is not consistent with the graph, and provide a tamping basis for graph models such as fault study and judgment of the power distribution network.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for automatically generating a topology of a ring main unit of a power distribution network comprises the following implementation steps:
1) acquiring configuration and connection information description files of each ring main unit;
2) analyzing the configuration and connection information description file of each ring main unit, acquiring the configuration information and connection information of each ring main unit, and generating a distribution network ring main unit topological feeder diagram according to the configuration and connection information of each ring main unit;
3) and carrying out topology connection check on the generated distribution network ring main unit topology feeder diagram, and outputting the generated distribution network ring main unit topology feeder diagram as a finally generated distribution network ring main unit topology feeder diagram if the check is passed.
Optionally, the configuration and connection information description file in step 1) at least includes names of the ring main units, interval information included in the names, and interval names of the ring main units to which the intervals are connected.
Optionally, the detailed steps of step 2) include:
2.1) selecting a configuration and connection information description file of a first ring main unit, and marking the ring main unit as an initial current ring main unit;
2.2) firstly reading a ring main unit name node in the configuration and connection information description file to obtain the name of the current ring main unit, generating a ring main unit model of the current ring main unit and attaching a name label of the current ring main unit; then reading attribute nodes of the ring net cage in the configuration and connection information description file, wherein the attribute nodes comprise one or more corresponding nodes of a manufacturer, a ring main unit type, a rated primary voltage, a rated primary current, a rated secondary voltage and a rated secondary current, and assigning attribute values obtained by reading the attribute nodes as the attributes of the current ring main unit;
2.3) firstly reading the interval number nodes in the configuration and connection information description file to obtain the interval number of the current ring main unit, and generating the same number of interval models in the ring main unit model of the current ring main unit; then, reading an interval node as an initial current interval node and then skipping to execute the next step;
2.4) reading the type attribute, the interval name node and the connected interval name node of the ring main unit of the current interval node, if the type of the type node is a load interval, automatically generating an distribution transformer and designated equipment in the interval according to a designated load interval template, and assigning the equipment name according to the attribute of the name node, and setting an incoming cable as a superior outgoing interval described by the attribute of the connected interval name node of the ring main unit; if the type of the type node is a switch interval, generating a load switch and designated equipment in the interval according to a designated switch interval template, assigning an equipment name according to the attribute of the name node, and setting an incoming cable as a superior outgoing interval described by the attribute of the name node of the connected ring main unit interval;
2.5) judging whether the interval in the configuration and connection information description file is processed, if not, reading the next interval node as the initial current interval node, and then skipping to execute the step 2.4); otherwise, skipping to execute the next step;
2.6) judging whether the configuration and connection information description file of the ring main unit is still unprocessed, if the configuration and connection information description file of the ring main unit is still unprocessed, selecting the configuration and connection information description file of the next ring main unit, marking the ring main unit as the initial current ring main unit, and skipping to execute the step 2.1); otherwise, skipping to execute the step 3).
Optionally, analyzing the configuration and connection information description file of each ring main unit in step 2) specifically means analyzing the configuration and connection information description file of each ring main unit through a graph model center of the power distribution network, and after step 1) and before step 2), the method further includes a step of uploading the configuration and connection information description file of each ring main unit to the graph model center of the power distribution network, and the detailed steps include:
s1) adding a target directory for storing configuration and connection information description files of each ring main unit in a terminal file directory of the station;
s2) storing the configuration and connection information description files of the ring main units into a target directory, and renaming according to the names of the ring net cages of the ring main units;
s3) expanding the distribution automation master station protocol directory, calling the configuration and connection information description files of each ring main unit after renaming under the target directory, so that the configuration and connection information description files of each ring main unit belonging to the same feeder line can be extracted from the distribution automation master station through the file service interface by the graph model center.
Optionally, the detailed steps of step 3) include:
3.1) finding an incoming line of the ring main unit, and taking a first interval connected with the incoming line as an initial current interval;
3.2) finding outgoing lines at the current interval, if finding the outgoing lines at the current interval fails, judging that the generated topological feeder line graph of the ring main unit of the power distribution network cannot meet the requirement of topological connection, and terminating and exiting; otherwise, skipping to execute the step 3.3);
3.3) judging the type of the connection object of the outgoing line at the current interval, if the connection object is an interval, taking the interval connected with the outgoing line at the current interval as a new current interval, and skipping to execute the step 3.2); and if the connection object is a substation bus, judging that the generated distribution network ring main unit topological feeder graph meets the topological communication requirement, and outputting the generated distribution network ring main unit topological feeder graph as a finally generated distribution network ring main unit topological feeder graph.
Optionally, before the step 1), a step of generating a configuration and connection information description file of each ring main unit is further included.
Optionally, when generating the configuration and connection information description file of each ring main unit, the step of generating the configuration and connection information description file for a single ring main unit includes: acquiring basic information of a ring main unit, wherein the basic information of the ring main unit comprises the name of the ring main unit, the number of intervals, manufacturers, the type of the ring main unit, rated primary voltage, rated primary current, rated secondary voltage and rated secondary current; acquiring interval information of the ring main unit, wherein the basic information of each interval comprises an interval name, an interval type, a state of being provided with a ground switch, a state of being provided with an isolating switch and an interval name of the connected ring main unit; and generating a configuration and connection information description file of the ring main unit, taking each item of basic information of the ring main unit as an attribute of the configuration and connection information description file, taking each interval as a node, and taking each item of basic information of the interval as an attribute under the node.
In addition, the invention also provides a system for automatically generating the topology of the ring main unit of the power distribution network, which comprises the following steps:
the information acquisition program unit is used for acquiring configuration and connection information description files of the ring main units;
the topology generation program unit is used for analyzing the configuration and connection information description files of the ring main units, acquiring the configuration information and connection information of the ring main units, and generating a distribution network ring main unit topology feeder line graph according to the configuration and connection information of the ring main units;
and the communication checking program unit is used for carrying out topology communication checking on the generated distribution network ring main unit topology feeder diagram, and outputting the generated distribution network ring main unit topology feeder diagram as a finally generated distribution network ring main unit topology feeder diagram if the checking is passed.
In addition, the invention also provides a system for automatically generating the topology of the ring main unit of the power distribution network, which comprises a computer device, wherein the computer device comprises a microprocessor and a memory which are connected with each other, the microprocessor of the computer device is programmed or configured to execute the steps of the method for automatically generating the topology of the ring main unit of the power distribution network, or a computer program which is programmed or configured to execute the method for automatically generating the topology of the ring main unit of the power distribution network is stored in the memory of the computer device.
In addition, the invention also provides a computer readable storage medium, and the computer readable storage medium stores a computer program programmed or configured to execute the method for automatically generating the topology of the power distribution network ring main unit.
Compared with the prior art, the invention has the following advantages:
1. the automatic generation technology of the power distribution network topology can greatly reduce the workload of basic level personnel for repeatedly inputting the asset information into the asset management system by maintaining the equipment asset information from the source end, effectively avoid the problem of wrong input of the equipment asset information and greatly reduce the labor intensity and labor cost of first-line operation and maintenance personnel.
2. According to the automatic generation technology of the power distribution network topology, the mode of automatically generating the power distribution network topology is recorded from the source end, heavy processes of manually drawing, carrying out transaction pushing, feeder line analysis and the like in each system in the past are overturned, the problem of power distribution network topology which is troubled by the fact that the drawings are not consistent for many years is directly solved from the source end, and the ubiquitous power internet of things construction is promoted.
3. The automatic generation technology of the power distribution network topology can effectively promote the functions of fault study and judgment, fault self-healing and the like based on the power distribution network topology, effectively reduce the power failure time, improve the power supply reliability and improve the satisfaction rate of governments and society to enterprises.
Drawings
FIG. 1 is a schematic diagram of a basic flow of a method according to an embodiment of the present invention.
Fig. 2 is an example of a configuration and connection information description file of a ring main unit according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the implementation steps of the method for automatically generating the topology of the power distribution network ring main unit in this embodiment include:
1) acquiring configuration and connection information description files of each ring main unit;
2) analyzing the configuration and connection information description file of each ring main unit, acquiring the configuration information and connection information of each ring main unit, and generating a distribution network ring main unit topological feeder diagram according to the configuration and connection information of each ring main unit;
3) and carrying out topology connection check on the generated distribution network ring main unit topology feeder diagram, and outputting the generated distribution network ring main unit topology feeder diagram as a finally generated distribution network ring main unit topology feeder diagram if the check is passed.
In this embodiment, the configuration and connection information description file in step 1) at least includes the name of each ring main unit, the interval information (including at least the number and name of the intervals) included in the name, and the interval name of the ring main unit to which each interval is connected.
In this embodiment, step 1) further includes a step of generating a configuration and connection information description file of each ring main unit.
In this embodiment, when generating the configuration and connection information description file of each ring main unit, the step of generating the configuration and connection information description file for a single ring main unit includes: acquiring basic information of a ring main unit, wherein the basic information of the ring main unit comprises the name of the ring main unit, the number of intervals, manufacturers, the type of the ring main unit, rated primary voltage, rated primary current, rated secondary voltage and rated secondary current; acquiring interval information of the ring main unit, wherein the basic information of each interval comprises an interval name, an interval type, a state of being provided with a ground switch, a state of being provided with an isolating switch and an interval name of the connected ring main unit; and generating a configuration and connection information description file of the ring main unit, taking each item of basic information of the ring main unit as an attribute of the configuration and connection information description file, taking each interval as a node, and taking each item of basic information of the interval as an attribute under the node.
In this embodiment, the configuration and connection information description file of each ring main unit is specifically an XML file, and in order to meet the requirement of generating the attribute configuration of the topology feeder diagram of the ring main unit of the power distribution network, other information is added. As shown in fig. 2, an exemplary structure of the configuration and connection information description file of the ring main unit is as follows:
the node with the label Name of 'Name' represents the Name of the ring main unit;
the node with the label name of 'IntervalNum' represents the interval number contained in the ring main unit;
the node labeled "Product" represents the manufacturer;
the node with the label name of DevType represents the type of the ring main unit;
the node labeled "U" represents the nominal primary voltage;
the node labeled "I" represents the rated primary current;
the node labeled "u" represents the rated secondary voltage;
the node labeled "i" represents the rated secondary current;
the node with the label name of 'Interval' represents Interval nodes, each Interval node is provided with a type attribute for representing an Interval type, the type attribute is 'load' for representing the Interval type as a load Interval, and the type attribute is 'breaker' for representing the Interval type as a switch Interval; each interval node comprises a plurality of secondary nodes, wherein: the node with the label Name of "Name" represents the interval Name; a node with a label name of 'LinkTo' represents an interval name of the ring main unit to which the interval is connected; the node with the label name of 'Earth switch' represents the alternate equipped ground switch state; the node labeled "IsolationSwitch" represents the armed isolator state of the interval.
In this embodiment, the detailed steps of step 2) include:
2.1) selecting a configuration and connection information description file of a first ring main unit, and marking the ring main unit as an initial current ring main unit;
2.2) firstly reading a ring main unit Name node with a Name label in the configuration and connection information description file to obtain the Name of the current ring main unit, generating a ring main unit model of the current ring main unit and attaching the Name label of the current ring main unit; then reading attribute nodes of the ring net cage in the configuration and connection information description file, wherein the attribute nodes comprise nodes corresponding to manufacturers, ring main unit types, rated primary voltages, rated primary currents, rated secondary voltages and rated secondary currents, and assigning attribute values obtained by reading the attribute nodes to be used as the attributes of the current ring main unit; it should be noted that, according to the attribute requirement of the generated topology, the above-mentioned attribute may also be read only one or more of the above-mentioned attribute nodes as required;
2.3) firstly reading interval number nodes (label name is 'IntervalNum') in the configuration and connection information description file to obtain the interval number of the current ring main unit, and generating the same number of interval models in the ring main unit model of the current ring main unit; then, reading an interval node as an initial current interval node and then skipping to execute the next step;
2.4) reading the type attribute (type attribute) of the current interval node, the interval Name node (label Name is 'Name') and the connected ring main unit interval Name node (label Name is 'LinkTo'), if the type of the type node is a load interval (type attribute is 'load'), automatically generating an distribution transformer and specified equipment in the interval according to a specified load interval template, and assigning the equipment Name according to the attribute of the Name node, and setting an incoming cable as a superior outgoing interval described by the attribute of the connected ring main unit interval Name node; if the type of the type node is a switch interval (the type attribute is 'breaker'), generating a load switch and specified equipment in the interval according to a specified switch interval template, assigning an equipment name according to the attribute of the name node, and setting an incoming cable as a superior outgoing interval described by the attribute of the name node of the connected ring main unit interval;
2.5) judging whether the interval in the configuration and connection information description file is processed, if not, reading the next interval node as the initial current interval node, and then skipping to execute the step 2.4); otherwise, skipping to execute the next step;
2.6) judging whether the configuration and connection information description file of the ring main unit is still unprocessed, if the configuration and connection information description file of the ring main unit is still unprocessed, selecting the configuration and connection information description file of the next ring main unit, marking the ring main unit as the initial current ring main unit, and skipping to execute the step 2.1); otherwise, skipping to execute the step 3).
In this embodiment, the foregoing step 1) to step 3) are performed by combining a distribution network master station of a power distribution network and a graph model center of the power distribution network, the step 1) and the step 3) are performed by the distribution network master station of the power distribution network, the analyzing of the configuration and connection information description files of each ring main unit in the step 2) specifically means analyzing the configuration and connection information description files of each ring main unit by the graph model center of the power distribution network, and the step 1) is followed by the step 2) and then further includes a step of uploading the configuration and connection information description files of each ring main unit to the graph model center of the power distribution network, and the detailed steps include:
s1) adding a target directory for storing configuration and connection information description files of each ring main unit in the terminal file directory of the station, where the target directory is named as "topomenu" in this embodiment;
s2), storing the configuration and connection information description files of each ring main unit in a target directory, and renaming the ring main units according to the names of the ring cages in which the ring main units are located, for example, the ring main units are named as "TOPO-ring main unit name, xml" in this embodiment;
s3), expanding the power distribution automation master station protocol directory, calling the configuration and connection information description files of each ring main unit after renaming under the target directory, namely: xml under the TOPOMODEL directory, so that the graphic model center can extract the configuration and connection information description files of all ring main units belonging to the same feeder from the distribution automation master station through the file service interface.
Through the above steps S1) -S3), in this embodiment, the graph model center is used to complete parsing of multiple configuration and connection information files, obtain asset information and connection relationships, such as names, manufacturers, IDs, and detailed configuration information of switches, and provide a data base for subsequent automatic mapping. After the ring main unit and the interval information thereof are obtained, the graph model center can execute the steps 2.1) -2.5) to construct a bus, interval, switch and other equipment topology model meeting the specification requirement.
In this embodiment, the detailed steps of step 3) include:
3.1) finding an incoming line of the ring main unit, and taking a first interval connected with the incoming line as an initial current interval;
3.2) finding outgoing lines at the current interval, if finding the outgoing lines at the current interval fails, judging that the generated topological feeder line graph of the ring main unit of the power distribution network cannot meet the requirement of topological connection, and terminating and exiting; otherwise, skipping to execute the step 3.3);
3.3) judging the type of the connection object of the outgoing line at the current interval, if the connection object is an interval, taking the interval connected with the outgoing line at the current interval as a new current interval, and skipping to execute the step 3.2); and if the connection object is a substation bus, judging that the generated distribution network ring main unit topological feeder graph meets the topological communication requirement, and outputting the generated distribution network ring main unit topological feeder graph as a finally generated distribution network ring main unit topological feeder graph.
In this embodiment, when it is determined in step 3.2) that the generated topology feeder diagram of the ring main unit of the power distribution network cannot meet the topology connection requirement, the method further includes the steps of outputting a warning that the topology model of the ring main unit is incomplete and cancelling modeling.
In addition, this embodiment still provides a distribution network looped netowrk cabinet topology automatic generation system, includes:
the information acquisition program unit is used for acquiring configuration and connection information description files of the ring main units;
the topology generation program unit is used for analyzing the configuration and connection information description files of the ring main units, acquiring the configuration information and connection information of the ring main units, and generating a distribution network ring main unit topology feeder line graph according to the configuration and connection information of the ring main units;
and the communication checking program unit is used for carrying out topology communication checking on the generated distribution network ring main unit topology feeder diagram, and outputting the generated distribution network ring main unit topology feeder diagram as a finally generated distribution network ring main unit topology feeder diagram if the checking is passed.
In addition, the embodiment also provides an automatic generation system of the topology of the ring main unit of the power distribution network, which comprises a computer device, wherein the computer device comprises a microprocessor and a memory which are connected with each other, the microprocessor of the computer device is programmed or configured to execute the steps of the automatic generation method of the topology of the ring main unit of the power distribution network,
in addition, the embodiment further provides an automatic generation system of the topology of the ring main unit of the power distribution network, which includes a computer device, and a computer program programmed or configured to execute the automatic generation method of the topology of the ring main unit of the power distribution network is stored in a memory of the computer device.
In addition, the present embodiment also provides a computer-readable storage medium, where a computer program programmed or configured to execute the foregoing method for automatically generating topology of a ring main unit of a power distribution network is stored in the computer-readable storage medium.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The present application is directed to methods, apparatus (systems), and computer program products according to embodiments of the application wherein instructions, which execute via a flowchart and/or a processor of the computer program product, create means for implementing functions specified in the flowchart and/or block diagram block or blocks. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A power distribution network ring main unit topology automatic generation method is characterized by comprising the following implementation steps:
1) acquiring configuration and connection information description files of each ring main unit;
2) analyzing the configuration and connection information description file of each ring main unit, acquiring the configuration information and connection information of each ring main unit, and generating a distribution network ring main unit topological feeder diagram according to the configuration and connection information of each ring main unit;
3) and carrying out topology connection check on the generated distribution network ring main unit topology feeder diagram, and outputting the generated distribution network ring main unit topology feeder diagram as a finally generated distribution network ring main unit topology feeder diagram if the check is passed.
2. The method for automatically generating the topology of the power distribution network ring main unit according to claim 1, wherein the configuration and connection information description file in step 1) at least includes names of the ring main units, interval information included in the ring main units, and interval names of the ring main units to which the intervals are connected.
3. The method for automatically generating the topology of the power distribution network ring main unit according to claim 1, wherein the detailed steps in step 2) include:
2.1) selecting a configuration and connection information description file of a first ring main unit, and marking the ring main unit as an initial current ring main unit;
2.2) firstly reading a ring main unit name node in the configuration and connection information description file to obtain the name of the current ring main unit, generating a ring main unit model of the current ring main unit and attaching a name label of the current ring main unit; then reading attribute nodes of the ring net cage in the configuration and connection information description file, wherein the attribute nodes comprise one or more corresponding nodes of a manufacturer, a ring main unit type, a rated primary voltage, a rated primary current, a rated secondary voltage and a rated secondary current, and assigning attribute values obtained by reading the attribute nodes as the attributes of the current ring main unit;
2.3) firstly reading the interval number nodes in the configuration and connection information description file to obtain the interval number of the current ring main unit, and generating the same number of interval models in the ring main unit model of the current ring main unit; then, reading an interval node as an initial current interval node and then skipping to execute the next step;
2.4) reading the type attribute, the interval name node and the connected interval name node of the ring main unit of the current interval node, if the type of the type node is a load interval, automatically generating an distribution transformer and designated equipment in the interval according to a designated load interval template, and assigning the equipment name according to the attribute of the name node, and setting an incoming cable as a superior outgoing interval described by the attribute of the connected interval name node of the ring main unit; if the type of the type node is a switch interval, generating a load switch and designated equipment in the interval according to a designated switch interval template, assigning an equipment name according to the attribute of the name node, and setting an incoming cable as a superior outgoing interval described by the attribute of the name node of the connected ring main unit interval;
2.5) judging whether the interval in the configuration and connection information description file is processed, if not, reading the next interval node as the initial current interval node, and then skipping to execute the step 2.4); otherwise, skipping to execute the next step;
2.6) judging whether the configuration and connection information description file of the ring main unit is still unprocessed, if the configuration and connection information description file of the ring main unit is still unprocessed, selecting the configuration and connection information description file of the next ring main unit, marking the ring main unit as the initial current ring main unit, and skipping to execute the step 2.1); otherwise, skipping to execute the step 3).
4. The method for automatically generating the topology of the ring main units of the power distribution network according to claim 1, wherein the step 2) of analyzing the configuration and connection information description files of each ring main unit specifically means analyzing the configuration and connection information description files of each ring main unit through a graph-model center of the power distribution network, and the step 1) and the step 2) further include a step of uploading the configuration and connection information description files of each ring main unit to the graph-model center of the power distribution network, and the detailed steps include:
s1) adding a target directory for storing configuration and connection information description files of each ring main unit in a terminal file directory of the station;
s2) storing the configuration and connection information description files of the ring main units into a target directory, and renaming according to the names of the ring net cages of the ring main units;
s3) expanding the distribution automation master station protocol directory, calling the configuration and connection information description files of each ring main unit after renaming under the target directory, so that the configuration and connection information description files of each ring main unit belonging to the same feeder line can be extracted from the distribution automation master station through the file service interface by the graph model center.
5. The method for automatically generating the topology of the power distribution network ring main unit according to claim 4, wherein the detailed step of the step 3) comprises:
3.1) finding an incoming line of the ring main unit, and taking a first interval connected with the incoming line as an initial current interval;
3.2) finding outgoing lines at the current interval, if finding the outgoing lines at the current interval fails, judging that the generated topological feeder line graph of the ring main unit of the power distribution network cannot meet the requirement of topological connection, and terminating and exiting; otherwise, skipping to execute the step 3.3);
3.3) judging the type of the connection object of the outgoing line at the current interval, if the connection object is an interval, taking the interval connected with the outgoing line at the current interval as a new current interval, and skipping to execute the step 3.2); and if the connection object is a substation bus, judging that the generated distribution network ring main unit topological feeder graph meets the topological communication requirement, and outputting the generated distribution network ring main unit topological feeder graph as a finally generated distribution network ring main unit topological feeder graph.
6. The method for automatically generating the topology of the power distribution network ring main unit according to claim 1, wherein the step 1) further comprises a step of generating a configuration and connection information description file of each ring main unit.
7. The method for automatically generating the topology of the power distribution network ring main unit according to claim 6, wherein the step of generating the configuration and connection information description file for a single ring main unit when generating the configuration and connection information description file for each ring main unit includes: acquiring basic information of a ring main unit, wherein the basic information of the ring main unit comprises the name of the ring main unit, the number of intervals, manufacturers, the type of the ring main unit, rated primary voltage, rated primary current, rated secondary voltage and rated secondary current; acquiring interval information of the ring main unit, wherein the basic information of each interval comprises an interval name, an interval type, a state of being provided with a ground switch, a state of being provided with an isolating switch and an interval name of the connected ring main unit; and generating a configuration and connection information description file of the ring main unit, taking each item of basic information of the ring main unit as an attribute of the configuration and connection information description file, taking each interval as a node, and taking each item of basic information of the interval as an attribute under the node.
8. The utility model provides a distribution network looped netowrk cabinet topology automatic generation system which characterized in that includes:
the information acquisition program unit is used for acquiring configuration and connection information description files of the ring main units;
the topology generation program unit is used for analyzing the configuration and connection information description files of the ring main units, acquiring the configuration information and connection information of the ring main units, and generating a distribution network ring main unit topology feeder line graph according to the configuration and connection information of the ring main units;
and the communication checking program unit is used for carrying out topology communication checking on the generated distribution network ring main unit topology feeder diagram, and outputting the generated distribution network ring main unit topology feeder diagram as a finally generated distribution network ring main unit topology feeder diagram if the checking is passed.
9. An automatic generation system for topology of a ring main unit of a power distribution network, comprising a computer device, wherein the computer device comprises a microprocessor and a memory which are connected with each other, and is characterized in that the microprocessor of the computer device is programmed or configured to execute the steps of the automatic generation method for topology of the ring main unit of the power distribution network according to any one of claims 1 to 7, or a computer program which is programmed or configured to execute the automatic generation method for topology of the ring main unit of the power distribution network according to any one of claims 1 to 7 is stored in the memory of the computer device.
10. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program programmed or configured to execute the method for automatically generating topology of the ring main unit of the power distribution network according to any one of claims 1 to 7.
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