Abstract
AbstractThe single-line diagram of the distribution network is an electrical wiring diagram with a single feeder as the unit. It realizes the visual expression of the topological connection relationship of the distribution network through graphical symbols and connections, and is one of the most important graphic materials for distribution network management. According to the actual needs of automatic generation of distribution network single-line diagram, this paper provides a method for automatic generation of distribution network single-line diagram based on the trunk-and-branches model. The method firstly carried out the creation of the trunk line, branch line and the calculation of the branch layout direction, then carried out the initial branch layout and local stretching, and finally carried out the branch local shrinkage and automatic routing. In addition, compared with the existing methods, this method also supports the local incremental update of the stock single-line diagram, which can basically ensure the original layout remains unchanged. After verification, based on the automatic generation method of the distribution network single-line diagram, the single-line diagram that meets the requirements of accuracy and aesthetics can be automatically generated. Through a local incremental update, a single-line diagram can be obtained that actually guarantees the layout of the original single-line diagram unchanged, meeting the strong demand of users who wish to keep the layout of the original single-line diagram substantially unchanged.KeywordsSingle line diagramTrunk lineBranch lineAutomatic mappingOverlapsPartial contraction
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