概率最优潮流方法及其在无功优化配置中的应用Probabilistic Optimal Power Flow Method and Its Application in Optimum Reactive Power Allocation
丘文千
QIU Wen-qian(Zhejiang Electric Power Design Institute
摘要(Abstract):
针对电力系统运行中存在的大量不确定因素,探讨概率最优潮流方法及其在无功优化配置中的应用。分析和比较了蒙特卡罗法、半不变量法、点估计法等几类主要概率分析方法及特点,重点介绍点估计法及应用。给出了概率无功优化模型及蒙特卡罗法、半不变量法和点估计法的求解方法,通过实例对各种算法的准确性进行比较,并验证了方法的有效性。
In the power system planning and operation,there are lots of uncertain factors.This paper discusses the probabilistic optimal power flow method and its application in optimum reactive power allocation.Through the analysis and comparison of the main kinds of probabilistic analysis methods and their characteristics including the method of monte-carlo,half invariable,point estimate,the paper focuses on the point estimation method and its application.The probabilistic reactive power optimization model and the solution methods of monte-carlo,half invariable,and point estimation are given.By a case study,the accuracies of these methods are compared,and the validities are demonstrated.
关键词(KeyWords):
电力系统分析;概率最优潮流;无功优化配置;点估计法
power system analysis;probabilistic optimal power flow;reactive power allocation;point estimation method
基金项目(Foundation):
作者(Author):
丘文千
QIU Wen-qian(Zhejiang Electric Power Design Institute
DOI: 10.19585/j.zjdl.2012.10.001
参考文献(References):
- 王锡凡主编.电力系统优化规划[M].北京:水利电力出版社,1990.
- 丁明,李生虎,黄凯.基于蒙特卡罗模拟的概率潮流计算[J].电网技术,2001,25(11):10-14.
- 李雪,李渝曾,李海英.几种概率潮流算法的比较与分析[J].电力系统及其自动化学报,2009,21(3):12-17.
- H.P.HONG.An efficient point estimate method for probabilistic analysis[J].Reliability Engineering and System Safety,1998,59(3):261-267
- 张建芬,王克文,宗秀红,等.几种概率潮流模型的准确性比较分析.郑州大学学报,2003,24(4):32-36.
- 陈闽江,陈陈,吴蓓,等.计及STATCOM的动态电压稳定概率评估[J].高电压技术,2010,36(4):1032-1037
- 王敏,丁明.考虑分布式电源的静态电压稳定概率评估[J].中国电机工程学报,2010,30(25):17-22.
- 候学勇,鞠平,付红军.基于两点估计法的电力系统静态电压稳定概率分析[J].河海大学学报(自然科学版),2010,38(3):347-352.
- 吴蓓,张焰,陈闽江.点估计法在电压稳定性分析中的应用[J].中国电机工程学报,2008,28(25):38-43.
- 易海琼,程时杰,候云鹤,等.基于点估计的电力系统稳定概率分析[J].电力系统自动化,2007,31(23):1-4.
- 杨慧敏,易海琼,文劲宇,等.一种实用的大电网低频振荡概率稳定性分析方法[J].电工技术学报,2010,25(3):124-129.
- 潘炜,刘文颖,杨以涵.概率最优潮流的点估计算法[J].中国电机工程学报,2008,28(16):28-33.
- 丘文千.具有变量范围约束的潮流算法在OPF中的应用[J].电力系统自动化,2007,31(15):35-40.
- 丘文千.运用混合优化算法求解包含离散变量的无功优化问题[J].浙江电力,2008,27(4):1-4.