Disclosure of Invention
In order to overcome the defects of the prior art, the invention designs and obtains the automatic 10kV distribution line wiring pattern identification method to solve the problems of long time consumption and low identification accuracy existing in the conventional method for manually identifying the wiring pattern of the 10kV distribution line, and the 10kV distribution line wiring pattern automatic identification method can automatically identify the wiring pattern of the 10kV distribution line, and has good popularization prospect and application value.
In order to solve the technical problems, the technical scheme adopted by the invention is that the automatic identification method for the wiring mode of the 10kV distribution line comprises the following steps:
S1, identifying and judging line property attributes of a 10kV distribution line, if the line property attributes of the 10kV distribution line are judged to be special lines, directly recording the special lines in a wiring mode result set, and if the line property attributes of the 10kV distribution line are judged to be public lines, entering a step S2;
s2, carrying out trunk identification analysis on the 10kV power distribution line, and recording to form a line trunk result set, wherein the line trunk result set comprises a wire segment, a cable segment and a normally open switch of the line trunk;
s3, classifying the types of the lines according to the wire segments and the cable segments of the line trunks in the line trunk result set so as to classify the 10kV distribution line as an overhead line or a cable line;
s4, extracting the line information on the opposite side of the normally open switch according to the normally open switch of the line trunk in the line trunk result set, and recording the condition of the interconnection line existing in the 10kV distribution line;
And S5, analyzing based on the line type and the tie line condition of the 10kV distribution line to identify a corresponding wiring mode, and recording a wiring mode result set.
The inventor creatively designs a brand new 10kV distribution line wiring mode automatic identification method, which can judge the line property attribute of a 10kV distribution line structure, directly judge the wiring mode as a special line when the 10kV distribution line is a special line, analyze the line trunk of the 10kV distribution line according to the 10kV distribution line structure when the 10kV distribution line is judged to be a public line, and determine the line type and the connection line condition of the 10kV distribution line so as to analyze according to the obtained line type and the connection line condition, and further obtain the wiring mode of the corresponding 10kV distribution line.
It should be noted that, in some embodiments, when the operator implements the automatic identification method for the wiring mode of the 10kV distribution line according to the present invention, in the step S1, the operator may specifically rely on the line property attribute (public/private line) of the 10kV distribution line file of the power grid equipment lean management system (PMS) to identify the 10kV distribution line to be tested, and identify and record the 10kV distribution line as a public line or a private line.
In addition, it is important to point out that in the present invention, the normally open switch in step S4 is a node connecting two different lines, and the line having a connection relationship with the line can be analyzed by using the normally open switch, and the line information on the opposite side of the normally open switch in step S4 includes the name of the line and the line ID stored in the PMS system.
In addition, in the above step S4 of the present invention, the connection line mentioned by the inventor means that one distribution line is connected with another distribution line by a switch, and the switching device for connection between the two is normally opened in daily cases. In the invention, whether the 10kV distribution line has a connecting line is judged, and the communication line can be distinguished specifically through a normally open property of a switch maintained by a worker in the PMS.
Further, in the method for automatically identifying the wiring mode of the 10kV distribution line, in the step S2, the 10kV distribution line is subjected to trunk identification analysis, and a 10kV distribution line trunk result set is recorded and formed, and the method comprises the following steps:
S21, performing topology analysis on the 10kV distribution line by using a topology service of a geographic information system to find out all wire segments, cable segments and switching equipment from a line outlet switch of the 10kV distribution line to the line end;
S22, analyzing and obtaining a normally open switch result set based on all the found switch devices by combining normally open state attributes in a switch device file of the power grid device lean management system;
S23, analyzing the paths from the line outlet switch of the 10kV distribution line to each normally open switch based on the normally open switch result set, setting the paths as a line trunk, and recording and forming the line trunk result set.
In the above steps S21 to S23 of the present invention, the switching devices found by the topology service using the Geographic Information System (GIS) can be further divided into a normally open switch and a normally closed switch. The normally closed switch is a connection point between daily power supply line sections and belongs to a sectionalizing switch, the normally open switch is a connection point between the line and other lines, and the normally open switch is a node for connecting two different lines and belongs to a connecting switch, so that the normally open switch is further screened out in switch equipment, and the line with the connecting relation with the line can be analyzed by using the normally open switch, and can be used for judging a line trunk of a 10kV distribution line.
Therefore, in the invention, the path from the line end of the 10kV distribution line to the normally open switch is analyzed through the topology service of the power grid GIS platform, all the devices under the path can be analyzed, and when the topology analysis reaches each normally open switch, the line trunk of the 10kV distribution line can be clearly analyzed, and all the devices under the line trunk can be analyzed.
Further, in the automatic identification method for the wiring mode of the 10kV power distribution line, in the step S3, if all the line trunk is a wire section, the 10kV power distribution line is classified as an overhead line, if all the line trunk is a cable section, the 10kV power distribution line is classified as a cable line, if the line trunk comprises both the wire section and the cable section, the lengths of the wire section and the cable section are analyzed and counted, and when the length of the cable section is more than or equal to the length of the wire section, the 10kV power distribution line is classified as the cable line, and when the length of the cable section is less than the length of the wire section, the 10kV power distribution line is classified as the overhead line.
Further, in the automatic identification method for the wiring mode of the 10kV distribution line, in the step S5, when the line type of the 10kV distribution line is an overhead line and no connecting line exists, the 10kV distribution line is judged to be in an overhead single-radiation wiring mode, and when the line type of the 10kV distribution line is a cable line and no connecting line exists, the 10kV distribution line is judged to be in a cable radiation wiring mode.
Further, in the automatic 10kV distribution line wiring mode identification method, in step S5, when the line type of the 10kV distribution line is an overhead line and only 1 connecting line exists, the 10kV distribution line is judged to be in an overhead single-connection wiring mode.
Further, in the automatic identification method for the wiring mode of the 10kV distribution line, in the step S5, when the line type of the 10kV distribution line is an overhead line and 2-3 connecting lines exist, the 10kV distribution line is judged to be in an overhead moderate connecting wiring mode.
Further, in the automatic identification method for the wiring mode of the 10kV distribution line, in the step S5, when the line type of the 10kV distribution line is an overhead line and more than 3 connecting lines exist, the 10kV distribution line is judged to be in an overhead multi-connecting wiring mode.
Further, in the automatic identification method for the wiring mode of the 10kV distribution line, in the step S5, when the line type of the 10kV distribution line is a cable line and 1-2 connecting lines exist, the 10kV distribution line is judged to be in a cable single-ring network wiring mode.
Further, in the automatic identification method for the wiring mode of the 10kV distribution line, in step S5, when the line type of the 10kV distribution line is a cable line and 3 connecting lines exist, the 10kV distribution line is judged to be in a cable double-ring network wiring mode.
Further, in the method for automatically identifying the wiring mode of the 10kV distribution line, in the step S5, when the line type of the 10kV distribution line is a cable line and 4 or more connecting lines are provided, the 10kV distribution line is judged to be in other wiring modes of the cable.
The invention has the beneficial effects that the inventor creatively designs a brand-new automatic identification method for the wiring mode of the 10kV distribution line, which can judge the line property attribute of the 10kV distribution line structure, analyze the line trunk of the 10kV distribution line according to the 10kV distribution line structure when the 10kV distribution line is a public line, and determine the line type and the condition of the connecting line so as to obtain the wiring mode of the corresponding 10kV distribution line according to the line type and the condition analysis of the connecting line. The 10kV distribution line wiring mode automatic identification method can automatically identify the 10kV distribution line wiring mode, can effectively replace the existing manual identification scheme, and has good popularization prospect and application value.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The invention has the most key conception that the inventor creatively designs a brand-new automatic identification method for the wiring mode of the 10kV distribution line, which can judge the line property attribute of the 10kV distribution line structure, directly judge the wiring mode as a special line when the 10kV distribution line is a special line, analyze the line trunk of the 10kV distribution line according to the 10kV distribution line structure when the 10kV distribution line is a public line, determine the line type and the condition of the contact line of the 10kV distribution line, and analyze and judge according to the obtained line type and the condition of the contact line so as to obtain the wiring mode of the corresponding 10kV distribution line.
Referring to fig. 1-3, the invention designs an automatic 10kV distribution line wiring mode identification method, which specifically includes the following steps S1-S5:
S1, identifying and judging line property attributes of a 10kV distribution line, if the line property attributes of the 10kV distribution line are judged to be special lines, directly recording the special lines in a wiring mode result set, and if the line property attributes of the 10kV distribution line are judged to be public lines, entering a step S2;
s2, carrying out trunk identification analysis on the 10kV power distribution line, and recording to form a line trunk result set, wherein the line trunk result set comprises a wire segment, a cable segment and a normally open switch of the line trunk;
s3, classifying the types of the lines according to the wire segments and the cable segments of the line trunks in the line trunk result set so as to classify the 10kV distribution line as an overhead line or a cable line;
And S4, extracting the line information on the opposite side of the normally open switch according to the normally open switch of the line trunk in the result set of the line trunk, and recording the condition of the connecting line existing in the 10kV distribution line.
And S5, analyzing based on the line type and the tie line condition of the 10kV distribution line to identify a corresponding wiring mode, and recording a wiring mode result set.
In the invention, in the step S1, an operator can identify the 10kV power distribution line to be tested by specifically relying on the line property attribute (public/private line) of the 10kV power distribution line file of the power grid equipment lean management system (PMS), and identify and record the 10kV power distribution line as a public line or a private line.
In addition, it is important to point out that in the present invention, the normally open switch in step S4 is a node connecting two different lines, and the line having a connection relationship with the line can be analyzed through the normally open switch, and the line information on the opposite side of the normally open switch in step S4 includes the name of the line and the line ID stored in the PMS system.
In addition, in the above step S4 of the present invention, the connection line mentioned by the inventor means that one distribution line is connected with another distribution line by a switch, and the switching device for connection between the two is normally opened in daily cases. In the invention, whether the 10kV distribution line has a connecting line is judged, and the communication line can be distinguished specifically through a normally open property of a switch maintained by a worker in the PMS.
Further, in step S2, a trunk identification analysis is performed on the 10kV distribution line, and a trunk result set of the 10kV distribution line is recorded and formed, including the following steps:
S21, performing topology analysis on the 10kV distribution line by using a topology service of a geographic information system to find out all wire segments, cable segments and switching equipment from a line outlet switch of the 10kV distribution line to the line end;
S22, analyzing and obtaining a normally open switch result set based on all the found switch devices by combining normally open state attributes in a switch device file of the power grid device lean management system;
S23, analyzing the paths from the line outlet switch of the 10kV distribution line to each normally open switch based on the normally open switch result set, setting the paths as a line trunk, and recording and forming the line trunk result set.
In the above steps S21 to S23 of the present invention, the switching devices of the line found based on the topology service of the Geographic Information System (GIS) can be further divided into a normally open switch and a normally closed switch. The normally closed switch is a connection point between daily power supply line sections and belongs to a sectionalizing switch, the normally open switch is a connection point between the line and other lines, and the normally open switch is a node for connecting two different lines and belongs to a connecting switch, so that the normally open switch is further screened out in switch equipment, and the line with the connecting relation with the line, namely the connecting line, can be analyzed by using the normally open switch, and can be used for judging a line trunk of a 10kV distribution line.
Therefore, in the invention, the path from the line outlet switch to the normally open switch of the 10kV distribution line is analyzed through the topology service of the power grid GIS platform, all the devices under the path can be analyzed, and when the topology is analyzed to each normally open switch, the line trunk of the 10kV distribution line can be clearly analyzed, and all the devices under the line trunk can be analyzed.
Further, in step S3, if all the line trunks are conductor segments, the 10kV distribution line is classified as an overhead line, if all the line trunks are cable segments, the 10kV distribution line is classified as a cable line, if the line trunks include both conductor segments and cable segments, the lengths of the conductor segments and the cable segments are analyzed and counted, and when the cable segment length is greater than or equal to the conductor segment length, the 10kV distribution line is classified as a cable line, and when the cable segment length is less than the conductor segment length, the 10kV distribution line is classified as an overhead line.
Further, in step S5, when the line type of the 10kV distribution line is an overhead line and there is no interconnecting line, the 10kV distribution line is judged to be in an overhead single-radiation wiring mode, and when the line type of the 10kV distribution line is a cable line and there is no interconnecting line, the 10kV distribution line is judged to be in a cable radiation wiring mode.
Further, in step S5, when the line type of the 10kV distribution line is an overhead line and there are only 1 tie lines, the 10kV distribution line is determined to be in an overhead single-link wiring mode.
Further, in step S5, when the line type of the 10kV distribution line is an overhead line and there are 2-3 tie lines, the 10kV distribution line is determined to be in an overhead moderate tie wiring mode.
Further, in step S5, when the line type of the 10kV distribution line is an overhead line and there are more than 3 tie lines, it is determined that the 10kV distribution line is an overhead multi-tie wiring mode.
Further, in step S5, when the line type of the 10kV distribution line is a cable line and there are 1-2 tie lines, it is determined that the 10kV distribution line is a cable single loop network wiring mode.
Further, in step S5, when the line type of the 10kV distribution line is a cable line and there are 3 tie lines, it is determined that the 10kV distribution line is a cable dual-ring network wiring mode.
Further, in step S5, when the line type of the 10kV distribution line is a cable line and there are 4 or more connection lines, it is determined that the 10kV distribution line is in other connection modes of the cable.
Example 1
Referring to fig. 1-3, a method for automatically identifying a wiring mode of a 10kV distribution line according to an embodiment of the invention specifically includes the following steps:
And identifying the 10kV distribution line to be tested according to line property attributes (public/private lines) in a 10kV distribution line file of a power grid equipment lean management system (PMS), and identifying and recording the 10kV distribution line as a public line or a private line. If the line property attribute of the 10kV distribution line is judged to be a special line, the special line is directly recorded in a wiring mode result set, and if the line property attribute of the 10kV distribution line is judged to be a public line, the subsequent steps are further carried out to analyze the wiring mode of the 10kV distribution line.
And carrying out trunk identification analysis on the 10kV distribution line, and carrying out topology analysis on the 10kV distribution line by using a topology service of a Geographic Information System (GIS) to find out all wire segments, cable segments and switching equipment from a line outlet switch of the 10kV distribution line to the line end. Based on all the found switch equipment, the normally open switch in the switch equipment is screened out by combining the normally open state attribute (the normally open state is a normally open switch inside and outside the station) in the switch equipment file of the PMS system, and a normally open switch result set is obtained through analysis. Based on the obtained normally open switch result set, the path from the line outlet switch of the 10kV power distribution line to each normally open switch is further analyzed, the path is set as a line trunk, the line trunk result set forming the 10kV power distribution line is recorded, and the line trunk result set comprises a wire segment, a cable segment and the normally open switch of the line trunk.
Correspondingly, the line types are classified according to the number of the conducting wire sections and the cable sections under each line trunk in the line trunk result set, so that the 10kV distribution line is classified as an overhead line or a cable line. The 10kV distribution line is classified as an overhead line if the line trunk is a wire segment, the 10kV distribution line is classified as a cable line if the line trunk is a cable segment, the length analysis and statistics of the wire segment and the cable segment are carried out if the line trunk is a wire segment and a cable segment is also contained, the 10kV distribution line is classified as an overhead line if the length of the cable segment is greater than or equal to the length of the wire segment, and the 10kV distribution line is classified as an overhead line if the length of the cable segment is less than the length of the wire segment.
And extracting the 10kV distribution line information on the opposite sides of the normally open switch according to the normally open switch of the line trunk of the 10kV distribution line and the concentrated line trunk of the line trunk result, and recording the contact line condition of each 10kV distribution line.
From this, according to the circuit type of 10kV distribution lines, the condition of contact lines, carry out the discernment analysis of wiring pattern, form wiring pattern result set, the analysis of wiring pattern is according to following table 1 as follows:
Table 1 lists an analysis table for wiring pattern recognition based on line type and tie line conditions.
Table 1.
As can be seen from the above table 1, in this embodiment, after the line type and the contact line condition of the 10kV distribution line are obtained, the corresponding wiring pattern can be effectively analyzed and identified through the above table 1, and then the result set of the wiring pattern is recorded, and the automatic identification of the wiring pattern of the 10kV distribution line is completed.
It should be noted that, table 1 is a table of the basis of the wiring pattern discrimination, which is obtained by PMS archival analysis. According to the analysis result obtained by the step flow of the automatic 10kV distribution line wiring pattern recognition method, the wiring pattern of the analyzed 10kV distribution line can be defined by combining the basis table. When the 10kV distribution line is in the "cable other" wiring mode of the table 1, the 10kV distribution line can be specifically designed into an N-power-supply and 1-standby wiring mode, namely an "N-power-supply and 1-standby" wiring mode.
In summary, the 10kV distribution line wiring mode automatic identification method designed by the invention can automatically identify the 10kV distribution line wiring mode, can effectively replace the existing manual identification scheme, and has good popularization prospect and application value.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.