CN111241645B - Distribution network single line diagram branch line layout method with reference to geographic orientation - Google Patents
Distribution network single line diagram branch line layout method with reference to geographic orientation Download PDFInfo
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Abstract
The invention discloses a distribution network single line diagram branch line layout method with reference to geographical orientation, and relates to the field of distribution network single line diagram systems of power systems. The layout direction of branch lines in the existing single line diagram system does not refer to the actual geographic direction, so that operation and inspection technicians need to perform strict line check on a working site, and the operation is very inconvenient. The method comprises the following steps: 1) Acquiring the trend of a main line in a single line diagram; 2) Judging whether the current branch line refers to the geographic azimuth according to the configuration; 3) If the geographic azimuth is referred, the current branch line direction is consistent with the reference geographic azimuth direction; 4) If the geographical orientation is not referred, the layout direction of the current branch line is opposite to the trend of the previous branch line after the trend of the previous branch line is automatically acquired; 5) And generating a branch line layout chart according to the branch line trend. The method generates the current branch line layout by referring to the geographic position, is convenient for the correspondence of the layout and the actual line, is convenient for operation of operation and inspection technicians on the working site, and improves the working efficiency.
Description
Technical Field
The invention relates to the field of power system distribution network single line diagram systems, in particular to a distribution network single line diagram branch line layout method with reference to geographic orientation.
Background
The single line diagram of the power distribution network is an important tool of a power distribution network operation and inspection department, is a graph after the system performs automatic orthogonal layout on the whole feeder line topology, and requires the layout to reduce cross overlapping as much as possible, be compact as much as possible and occupy less space.
In order to reduce the intersection and overlapping between the primitives and labels in the single line diagram and make the whole occupation space of the single line diagram small, the system generally adopts a method of randomly adjusting the layout direction of branch lines when in automatic layout so as to achieve the effect of optimizing the layout.
The layout direction of the branch lines in the single line diagram in the existing system does not refer to the actual geographic direction, so that when operation is performed on a job site by operation checking technicians, due to the inconsistency of the directions, the branch lines in the single line diagram can be correctly matched to correspond to the actual geography, the operation is inconvenient, the time is wasted, and if the distribution line operation object is wrong due to human identification errors, the construction errors and the potential safety hazards are caused.
Disclosure of Invention
The technical problems to be solved and the technical task to be put forward in the invention are to perfect and improve the prior art scheme, and the invention provides a distribution network single line diagram branch line layout method with reference to the geographical orientation, which aims to facilitate operation of operation and inspection technicians on a working site. For this purpose, the present invention adopts the following technical scheme.
A distribution network single line diagram branch line layout method with reference to geographic orientation comprises the following steps:
1) Acquiring the trend of a main line in a single line diagram;
2) Determining whether the current branch line refers to the geographic direction according to the configuration, if so, executing the next step, and if not, executing the step 4
3) Calculating the geographic position of the current branch line relative to the main line, and executing the step 5);
4) Acquiring the trend of the previous branch line in the single line diagram, and executing the step 5);
5) Determining the trend of the current branch line in the single line diagram;
6) And laying out a current branch line graph according to the current branch line trend.
The method can effectively realize the generation of the current branch line layout with reference to the geographic position and without reference to the geographic position, and the current branch line layout is generated with reference to the geographic position, so that the operation and inspection technician directly corresponds to the main line trend and the current branch line trend according to the position according to the layout, thereby facilitating the operation of the operation and inspection technician on a work site, improving the operation efficiency and avoiding the occurrence of construction object errors and potential safety hazards.
As a preferable technical means: in the step 2), the reference of the geographic position comprises a cable branch position and an overhead branch position, wherein the cable branch position can be selected to be referenced, not referenced and the shorter cable is not referenced in 3 different configurations as judgment basis, and the overhead branch position can be selected to be referenced, not referenced and the base rod is not referenced in 3 different configurations as judgment basis. Different configuration options can be selected according to actual situation requirements.
As a preferable technical means: when determining the trend of the current branch line in the single line diagram, if the current branch line direction is consistent with the reference geographic direction when referring to the geographic direction. The current branch line layout referring to the geographic position is effectively realized.
As a preferable technical means: when determining the trend of the current branch line in the single line diagram, if the geographical azimuth is not referred to, automatically acquiring the trend of the previous branch line, and then, reversing the layout direction of the current branch line and the trend of the previous branch line. When the geographic position layout is not referred, the method can optimize the layout of the circuit diagram on the diagram surface, and avoid stacking and crossing in the same direction when the branch lines are denser.
The beneficial effects are that: the method can effectively realize the generation of the current branch line layout with reference to the geographic position and without reference to the geographic position, and the current branch line layout is generated with reference to the geographic position, so that the operation and inspection technician directly corresponds to the main line trend and the current branch line trend according to the position according to the layout, thereby facilitating the operation of the operation and inspection technician on a work site, improving the operation efficiency and avoiding the occurrence of construction object errors and potential safety hazards.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Fig. 2 is a schematic diagram of an overhead line of the present invention.
FIG. 3 is a schematic diagram of the current spur layout of the present invention with reference to geographic orientations.
FIG. 4 is a schematic diagram of the current spur layout of the present invention without reference to geographic orientations.
Fig. 5 is a diagram of an embodiment of the present invention.
In the figure: 1-a main line; 2-the current leg; 3-previous leg.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the attached drawings.
As shown in fig. 1, a distribution network single line diagram branch line layout method with reference to geographic orientation includes the following steps:
1) Acquiring the trend of a main line 1 in a single line diagram;
2) Determining whether the current branch line 2 refers to the geographic orientation according to the configuration, if so, executing the next step, and if not, executing the step 4
3) Calculating the geographical position of the current branch line 2 relative to the main line 1, and executing the step 5);
4) Acquiring the trend of the previous branch line 3 in the single line diagram, and executing the step 5);
5) Determining the trend of the current branch line 2 in the single line diagram;
6) And laying out a current branch line diagram according to the trend of the current branch line 2.
In order to realize the configuration selection of the reference and the non-reference of the geographic orientation, in the step 2), the reference of the geographic orientation comprises a cable branch line orientation and an overhead branch line orientation, wherein the cable branch line orientation can be selected to be referenced, not referenced and the short cable can not be referenced by 3 different configurations as judgment basis, and the overhead branch line orientation can be selected to be referenced, not referenced and not be referenced below 3 different configurations as judgment basis. Different configuration options can be selected according to actual situation requirements.
In order to realize the current branch line 2 layout of the reference geographic position, when determining the trend of the current branch line 2 in the single line diagram, if the reference geographic position is referred to, the current branch line 2 direction is consistent with the reference geographic position direction. The current spur 2 layout with reference to the geographical position is effectively achieved.
In order to optimize the layout of the circuit diagram without reference to the geographic orientation on the drawing surface, when determining the trend of the current branch line 2 in the single line diagram, if the direction of the previous branch line 3 is automatically acquired without reference to the geographic orientation, the layout direction of the current branch line 2 is opposite to the direction of the previous branch line 3. When the geographic position layout is not referred, the method can optimize the layout of the circuit diagram on the diagram surface, and avoid stacking and crossing in the same direction when the branch lines are denser.
The following is an example of the current branch line 2 layout of an actual feeder line:
as shown in fig. 2, the power supply of the main line 1 of a feeder line is on the left side of the line, i.e. the geographical trend of the main line 1 is right, and the current branch line 2 is located above the main line 1.
As shown in fig. 3, the system applying the method automatically lays out a single line diagram, and if it is determined that the current branch line 2 refers to the geographical position, the current branch line 2 is located above the main line 1, and the current branch line 2 layout of the single line diagram is the same as the current branch line 2 position.
As shown in fig. 4, if the system determines that the current branch line 2 does not need to refer to the geographical location according to the configuration, the current branch line 2 is located below the main line 1 in the single line diagram because the previous branch line 3 is oriented.
Fig. 5 is a single line diagram (partial) of a more complex case, with the transverse line being the main line and the remaining directional lines being the branch lines, for a total of 10 branch lines, numbered 1-10. The technical scheme of the present invention will be further described with reference to fig. 5.
Depending on the user configuration, it may be that some of the legs need to be referenced to a geographic location and others need not.
The technical scheme adopts the following algorithm to realize the functions:
1. all branches of the parent line are found, 10 in the example above.
2. Branch lines are divided into two groups according to user configuration: one group is reference to a geographic position-referred to as a "reference group" and the other group is not reference to a geographic position-referred to as a "no reference group". In the above example, the reference group is assumed to be [2,4,5,6,7,8], and the non-reference group is assumed to be [1,3,9,10]
3. The placement direction is set for the legs in the "reference group".
a) The two groups are separated, one group being on the left side of the parent line, referred to as the "left side group", and the other group being on the right side of the parent line, referred to as the "right side group". In the above example, the left group is [2,4,5,6], and the right group is [7,8].
b) For the left group, the left group is ordered clockwise according to geographic orientation to obtain [2,4,5,6] … …, and the layout direction is set: [ upper left, upper right 2 ]. Description: for different situations (namely different branch line numbers), the arrangement of the layout directions is different, and the basic principle is that the layout is uniform as much as possible, and details are not repeated.
c) For the right group, the right group is ordered clockwise according to the geographic direction to obtain [7,8], and the layout direction is set: [ lower right, lower ]. Description: for different situations (i.e. different numbers of branch lines), the arrangement of the layout directions is different, and the basic principle is to uniformly layout as much as possible.
4. Setting layout directions for the branch lines in the 'no reference group', and sequentially selecting spare layout directions for each branch line. Such as in example [1,3,9,10].
The distribution network single line diagram branch line layout method with reference to the geographic orientation shown in the above figures 1-5 is a specific embodiment of the present invention, has already demonstrated the outstanding substantial characteristics and significant progress of the present invention, and can be modified in terms of shape, structure, etc. according to practical use requirements, under the teaching of the present invention, all of which are within the scope of protection of the present invention.
Claims (1)
1. A distribution network single line diagram branch line layout method with reference to geographic orientation is characterized by comprising the following steps:
1) Acquiring the trend of a main line (1) in a single line diagram;
2) Determining whether the current branch line (2) refers to the geographic orientation according to the configuration, if so, executing the next step, and if not, executing the step 4
3) Calculating the geographic position of the current branch line (2) relative to the main line (1), and executing the step 5);
4) Acquiring the trend of a previous branch line (3) in the single line diagram, and executing the step 5);
5) Determining the trend of the current branch line (2) in the single line diagram;
6) Laying out a current branch line diagram according to the trend of the current branch line (2);
in the step 2), the reference of the geographic azimuth comprises a cable branch azimuth and an overhead branch azimuth, wherein the cable branch azimuth can be selected to be referenced, not referenced and the short cable is not referenced by 3 different configurations as judgment basis, and the overhead branch azimuth can be selected to be referenced, not referenced and the number of foundation piles is small by 3 different configurations as judgment basis;
when determining the trend of the current branch line (2) in the single line diagram, if the direction of the current branch line (2) is consistent with the direction of the reference geographic azimuth when the reference geographic azimuth is referred;
when determining the trend of the current branch line (2) in the single line diagram, if the geographic direction is not referred to, automatically acquiring the trend of the previous branch line (3), wherein the layout direction of the current branch line (2) is opposite to the trend of the previous branch line (3);
the working process is as follows:
finding out all branch lines of the main line;
b, dividing branch lines into two groups according to user configuration: one group is reference to a geographic position-referred to as a "reference group" and the other group is not reference to a geographic position-referred to as a "no reference group";
setting layout directions for branch lines in a reference group;
c1 is divided into two groups, one group is on the left side of the main line and is called a left group, and the other group is on the right side of the main line and is called a right group;
c2, sequencing left groups clockwise according to geographic orientations, and setting layout directions;
c3, sequencing the right group clockwise according to the geographic direction, and setting the layout direction;
and D, setting layout directions for the branch lines in the 'no reference group', and sequentially selecting spare layout directions for each branch line.
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