可再生能源2025,Vol.43Issue(4):499-509,11.
计及风、光、荷时序波动特性的配电网线路脆弱性评估
Distribution network lines vulnerability assessment considering wind-solar-load timing series fluctuation characteristics
摘要
Abstract
This paper studies the vulnerability assessment of distribution lines with multi-type distributed power access.Firstly,in view of the uncertainty of distributed generation,the Latin hypercube sampling and synchronous back substitution method are used to generate the classic output scenarios of wind and light.Based on the complex network theory and power flow analysis,the vulnerability assessment indexes such as improved line betweenness,improved line degree,line voltage stability and fault loss are proposed from three aspects of power grid structure,operation state and fault influence.Secondly,a comprehensive evaluation model of game theory-VIKOR based on the correction weight of time series fluctuation characteristics is proposed to evaluate the vulnerability of the line.Then,the simulation verification is carried out based on the example of IEEE33 node system.The results show that the constructed index and evaluation model can accurately reflect the real-time fragile state of the line and conform to the time series fluctuation characteristics of source and load.Finally,based on the comprehensive vulnerability of lines in each period,combined with the distribution characteristics of line vulnerability in each period,the real vulnerability of the whole system line in different periods is further analyzed,which provides a theoretical basis for risk aversion of distribution network with distributed generation.关键词
分布式电源/脆弱性评估/时序波动特性/博弈论Key words
distributed generation/vulnerability assessment/time series fluctuation characteristics/game theory分类
能源与动力引用本文复制引用
鲁玲,蒲秋平,张瑶瑶,李欣,张鑫,许鸿卫,鲁洋,卜得利..计及风、光、荷时序波动特性的配电网线路脆弱性评估[J].可再生能源,2025,43(4):499-509,11.基金项目
国家自然科学基金资助项目(52107107). (52107107)