孤岛状态下含分布式电源的配电系统可靠性分析  

Reliability Analysis of Islanded Distribution Systems with Distributed Energy Resourses

作　　者：孙瑜[1] Math Bollen Graham Ault 

机构地区：[1]华北电力科学研究院有限责任公司,北京市西城区100045 [2]瑞典输电研究院 [3]斯特拉斯克莱德大学电气工程系

出　　处：《电网技术》2008年第23期77-81,共5页Power System Technology

基　　金：英国大型联合项目"持续可再生能源发展项目"的"未来网络技术"论坛为本文提供了基金支持。该项目同时也得到了由欧洲委员会;瑞典输电网和瑞典能源局等联合发起的"欧洲分布式发电项目"的支持

摘　　要：分析了孤岛状态下含分布式电源的配电系统可靠性。针对配电网孤岛运行的特点,提出了可靠性分析的复合随机性负荷模型,提出了既能反映系统充裕度又体现动态特性的可靠性计算方法和衡量指标。计算结果表明,所提的模型、计算方法和衡量指标能充分反映分布式电源在不同程度上提高配电系统的可靠性,为系统的规划设计提供了重要参考。The reliability of islanded distribution systems containing distributed energy resources （DER） is analyzed. According to the features of islanded operation of distribution network powered by DER units, i.e., the load variations are much bigger and less predictable than in a large grid and the overload capacity of DER units is completely different than for conventional （large） generation units, a stochastic compound load model for reliability analysis is proposed, and a reliability calculation method and corresponding measurement index are given. Calculation results show that the proposed load model, calculation method and measurement index can fully reflect the fact that the DER units can enhance the reliability of such distribution systems in different levels.

关 键 词：可靠性 分布式电源 配电网 蒙特卡罗仿真 

分 类 号：TM712[电气工程—电力系统及自动化]