考虑静态能量分布的电力系统复杂网络特性研究  

An Investigation of Complex Network Characteristics of Power System Based on Static Energy Distribution

作　　者：刘友波[1,2] 刘俊勇[1,2] 李俊[1,2] 刘利民[1,2] 

机构地区：[1]四川大学电气信息学院,四川成都610065 [2]四川省智能电网重点实验室,四川成都610065

出　　处：《四川大学学报（工程科学版）》2011年第5期179-184,共6页Journal of Sichuan University (Engineering Science Edition)

基　　金：国家自然科学基金资助项目(50977059)

摘　　要：电力系统具有强非线性和时变性,电网结构在状态过渡中是否具有某种关键特性值得深入研究。在复杂网络研究基础上,结合静态能量函数理论,将支路静态势能作为边权引入电力系统复杂网络建模中,明确计入能量信息的网络参数物理意义。大量仿真表明,与结构拓扑特征相似,电力系统过渡状态亦在一定程度上具有如标度与小世界等典型的复杂网络特性,其支路势能分布存在指数型与幂律型统计特征,说明在电网状态转化过程中,某些线路或局部元件起到了比其他元件重要得多的作用。这一现象的发现将为研究电力系统不同稳定运行点过渡过程中,能量分布视角下的复杂电网动态演化过程提供新的思路。Based on the research of complex network,branch potential energy was proposed as edge weight to be included in the complex network modeling of power system.Element information and network parameters were also analyzed.Simulation results illustrated that,like topology distribution features,some transition variables ware proved to have typical complex network characteristics,such as scale and small-world.The static branch energy distribution was found to be exponential and power-law distribution.The phenomenon indicated that there are some elements that play much more important role than others in the status transition.It presented a new idea for studying the state evolution of power system from the perspective of static energy distribution.

关 键 词：复杂网络 元件信息 标度特性 小世界 静态能量函数 

分 类 号：TM74[电气工程—电力系统及自动化]