电力建设2024，Vol.45Issue(9)：123-132,10.DOI:10.12204/j.issn.1000-7229.2024.09.011
高温天气下配电网综合韧性评估方法
Research on Comprehensive Resilience Assessment Method of Distribution Network under High Temperature Weather
摘要
Abstract
With the frequent occurrence of extreme weather leading to natural disasters,it is difficult to use traditional reliability assessment methods for the comprehensive resilience assessment of distribution networks. This paper proposed a comprehensive resilience assessment method for distribution networks under high temperature weather. First,using the kernel ridge regression (KRR) method,a distribution network node load rate estimation method based on high-temperature weather segments was proposed. Secondly,in view of the impact of high temperature weather on the distribution network,a probability model of faults caused by changes in power flow caused by high temperature was established. At the same time,the impact of high temperature on the components of the distribution network was considered,and the fragility curve method was used to establish a fault model for distribution network components. And then proposed a comprehensive failure probability model of distribution network caused by high temperature weather. Thirdly,from the perspective of capturing the characteristics of the distribution network's resilience function curve,a comprehensive evaluation index model AR for the distribution network was constructed,and Poisson distribution method to obtain distribution network resilience scenarios was used. Finally,the effectiveness of the proposed method and indicators was verified in a double-ring distribution network system example in a certain area in Beijing. The superiority of the comprehensive resilience assessment of the distribution network proposed in this paper was demonstrated through a comparative study with traditional resilience assessment indicators.关键词
高温/KRR负荷率估计/韧性评估/配电网Key words
high temperature/load rate estimation based on KRR/resilience assessment/distribution network分类
信息技术与安全科学引用本文复制引用
顾靖达,李伟,赵宇鑫,汪泰安,鞠力,顼佳宇,唐西胜..高温天气下配电网综合韧性评估方法[J].电力建设,2024,45(9):123-132,10.基金项目
国家自然科学基金联合基金资助项目(U22B20123) （U22B20123）
国网北京市电力公司科技研究项目52023422000F(SGBJJJ00SJJS2200152) This project supported by the Key Support Project of the Joint Fund of the National Natural Science Foundation of China(U22B20123)and Science and Technology Project of State Grid Beijing Electric Company Limited under Grant 52023422000F(SGBJJJ00SJJS2200152). （SGBJJJ00SJJS2200152）
