中国电机工程学报2011，Vol.31Issue(1)：59-64,6.
考虑电网静态安全风险的随机潮流计算
Probabilistic Load Flow Algorithm Considering Static Security Risk of the Power System
摘要
Abstract
Probabilistic load flow (PLF) can completely response to the operating condition of a power system, and it plays a very important role in risk assessment of the power system security.The method that combines the concept of semiinvariant and Gram-Charlier expansion theory can fast and precisely obtain the probability distribution function (PDF) and the cumulative distribution function (CDF) of node voltages and transmission line flows.In this article, anticipated accident list based on the current operating condition that is influenced by the uneven distribution of time and territory domain was constructed,and combined the total probability theory with probabilistic load flow, a probabilistic load flow algorithm considering static security risk of power system was proposed.The calculation on the IEEE RTS 96-node test system indicates that this algorithm can assess the static security risk of the current operating condition rapidly and accurately, and is with practical value.关键词
电网/静态安全风险/随机潮流/线路故障/半不变量/Gram-Charlier展开级数Key words
power system/ static security risk/probabilistic load flow/ branch outages/ semi-invariant/ Gram-Charlier expansion分类
信息技术与安全科学引用本文复制引用
刘怡芳,张步涵,李俊芳,王凯,段瑶,段献忠,程时杰..考虑电网静态安全风险的随机潮流计算[J].中国电机工程学报,2011,31(1):59-64,6.基金项目
国家自然科学基金重点项目(50837003) （50837003）
国家电网公司科技项目(SGKJJSKF[2008]469). （SGKJJSKF[2008]469）
