Vulnerability Analysis of Power Grids Using Modified Centrality Measures | Zendy

Francisco Gutierrez | Zendy; E. Barocio | Zendy; F. A. Uribe | Zendy; Pavel Zúñiga | Zendy

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Vulnerability Analysis of Power Grids Using Modified Centrality Measures

Author(s) -

Francisco Gutierrez,

E. Barocio,

F. A. Uribe,

Pavel Zúñiga

Publication year - 2013

Publication title -

discrete dynamics in nature and society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.264

H-Index - 39

eISSN - 1607-887X

pISSN - 1026-0226

DOI - 10.1155/2013/135731

Subject(s) - betweenness centrality , centrality , closeness , computer science , vulnerability (computing) , dependency (uml) , grid , vulnerability assessment , katz centrality , power (physics) , data mining , theoretical computer science , mathematics , artificial intelligence , statistics , computer security , physics , psychology , mathematical analysis , geometry , quantum mechanics , psychological resilience , psychotherapist

The aim of this paper is to propose modified centrality measures as a tool to identify critical nodes before a vulnerability analysis is performed in an electrical power grid. Pair dependency centrality is weighted using the grid active power flow, and this becomes the basis to define closeness and betweenness of its nodes, and hence to identify the most critical ones. To support the idea of using modified centralities, four power grids are tested to be either exponential or scale-free. To evaluate the proposal, information obtained via modified centrality measures is used to calculate global efficiency of the power grids

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