Accurate line parameters are the foundation for the safe,economical and reliable operation of distribution network.Due to the structural characteristics of distribution networks,obtaining precise line parameters is not easy.Based on waveform data from primary-secondary integration equipment,a new method is proposed for calculating distribution network line parameters.This method can accurately calculate positive,negative and zero-sequence parameters of distribution lines,including capacitance parameters.The method is suitable for practical scenarios with diverse network nodes and numerous branches in distribution networks,as well as for distribution networks with distributed renewable energy sources.Its calculation accuracy remains unaffected by fault types and load variations.Simulation results demonstrate that its computation results and precision can meet the requirements of power system protection and grid operation.
关键词
配电网/一二次融合设备/含分支线路/线路参数计算/故障录波数据
Key words
distribution network/primary-secondary integration equipment/branch line/line parameter calculation/fault waveform recording data
维普
万方数据