Automatic drawing method and system for single line diagram of 10kV distribution line

Abstract

The invention discloses an automatic mapping method and system for a single line diagram of a 10kV distribution line. The method comprises the following steps: acquiring geographic information of thedistribution line from a power grid GIS system; calculating an abscissa equal-difference interval delta x and an ordinate equal-difference interval delta y for automatic mapping; calculating the longest connected path of the directed graph, recursively generating a sub-graph and calculating node layout coordinates; and automatically generating a power distribution line single-line diagram requiredby power distribution network dispatching. The system is a computer device and comprises a memory, a processor and a computer program running on the processor. Different from a conventional distribution line single-line diagram automatic diagram forming method, the distribution line single-line diagram automatic diagram forming method completes traversal calculation of all node coordinates of a distribution line directed diagram by continuously recursively generating a sub directed diagram and calculating the longest communication path under the sub directed diagram. The method is suitable for circuits with adjacent nodes with equal-proportion intervals and single power supply points.

Description

technical field [0001] The invention relates to a method and system for automatically forming a single-line diagram of a 10kV power distribution line, belonging to the technical field of power distribution and utilization. Background technique [0002] The one-line diagram of distribution network is mainly used for dispatching and operation management of distribution network. With the continuous popularization and application of power grid GIS system, geographical map can be generated according to the longitude and latitude coordinates of distribution network equipment, but the geographical map of distribution network involves a large number of equipment, and the graphics are considerable The performance is poor, and it is far from the one-line diagram required by the distribution network dispatching operation management. At present, the one-line diagram of the distribution network is mainly drawn and maintained manually, and the amount of manual drawing and maintenance is la...

AI Technical Summary

Problems solved by technology

[0002] The one-line diagram of distribution network is mainly used for dispatching and operation management of distribution network. With the continuous popularization and application of power grid GIS system, geographical map can be generated according to the longitude and latitude coordinates of distribution network equipment, but the geographical map of distribution network involves a large number of equipment, and the graphics are considerable The performance is poor, and it is far from the one-line diagram required by the distribution network dispatching operation management. At present, the one-line diagram of the distribution network is mainly drawn and maintained manually, and the amount of manual drawing and maintenance is large. If the one-line diagram is automatically generated based on the geographical map of the distribution network It will greatly improve the automation and intelligence level of the distribution network, and help reduce the labor load of grassroots personnel.

[0003] At present, the main methods for automatic drawing of single-line diagrams of distribution networks at home and abroad are powerful oriented algorithms, artificial intelligence algorithms, etc. These algorithms still have intersection points and are difficult to meet the practical requirements. This patent proposes a distribution network The method and system for automatically forming a single-line diagram realizes the automatic formation of a single-line diagram of a distribution network, which meets the requirements of no intersection of nodes and horizontal and vertical lines, and meets the requirements of distribution network dispatching operation management

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