Method for evaluating the importance of power grid nodes based on PageRank algorithm

被引：33
|
作者：
Li, Canbing [1 ]
Liu, Wencan [1 ]
Cao, Yijia [1 ]
Chen, Hao [2 ]
Fang, Baling [1 ]
Zhang, Wei [1 ]
Shi, Haiqing [1 ]
机构：
[1] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Hunan, Peoples R China
[2] Hunan Univ, Coll Informat Sci & Engn, Changsha 410082, Hunan, Peoples R China
来源：
IET GENERATION TRANSMISSION & DISTRIBUTION | 2014年 / 8卷 / 11期
关键词：
RANKING; NETWORK;
D O I：
10.1049/iet-gtd.2014.0051
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Cascading failures can easily occur and cause a major blackout in power grid when an important node breaks down. It is an essential problem to evaluate the importance of nodes in power system planning and operation. In this study, a method for evaluating the importance of power grid nodes based on PageRank (PR) algorithm is proposed. First, according to the comparison of the internet and power grid topology, a directed graph is established. Second, based on the directed graph, an index is proposed to estimate the importance of power grid nodes based on PR algorithm. Then, according to the characteristics of power grid, a modified algorithm, which takes the importance of nodal load, nodal load capacity and network topology into account, is proposed. Finally, case study shows the necessity of considering the factors to evaluate the importance of power grid nodes and the effective of index and algorithm to identify critical nodes in this study.
引用
收藏
页码：1843 / 1847
页数：5
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