Design And Application Of Intelligent Assistant Analytical System For Distribution Network Planning

Distribution network planning is a basic guarantee of grid construction and transformation,and indicates the development direction of reliable, stability network. With expansion indistribution network capacity and scale, the distribution network planning data to process andanalyze increase vastly. Particularly, facing the superior power, network structure, andoperation condition of each voltage classes, it is easy to occur calculation error, incompleteanalyze or uncertain factors when the staffs handle those huge and complex workload on theirown.A structure and application of intelligent assistant analytical system which is establishedby VB.NET and Access2003for distribution network planning was proposed. It includesvisualized interface, block-based design concept and extendibility. According to therelationship between indexes and original data, paper constructed a relational database fordatabase call, and provides the data interface of database and original material. In addition,based data standardized module provide the rationality judge for numeric data and thestandardized function for the text data. distribution network current situation analysis modulewhich is the core of the software can achieve the analysis functions of index such astransformer load asymmetry, transformer“N-1”examination, line transfer ability and linkbetween substations. It also realizes network present data processing and condition analysis.This article analyzed the practical analysis index through the actual distribution networkequipment parameters and system operation data supplied by Power supply enterprises. Inpractical application, the system enormously enhances network present analysis efficiencyand accuracy, moreover, it reduces primary work load. The system is able to change the targetand corresponding analysis accurately when the data is modified, added and deleted. Thepractical applicability and high efficiency of software will greatly enhance the entire planningprocess of the project when it is extended to the other city.