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Some critical lines can have important impact on the large-scale blackouts and cascading failures in power grid. Based on the newest progress in the field of complex network, a new vulnerability index called weighted line betweenness is proposed as vulnerability index in this paper. The weighted line betweenness of one line is defined as the sum of the loads acted on this line, which are brought by...
Highly interconnected power grid is developing more and more complex. Cascading failure in such complex power grid, which can be triggered by some disturbances, will have global catastrophic effects over the entire networks. So the research on cascading failure of complex power grid is of significant concern. The foundation of such research is the modeling. In this paper, the mechanism of cascading...
The rapid development of complex network theory provide a new insight into the research of interconnected complex power grid. On the basis of mapping the power grid into a network graph, the topological parameters, such as degree distribution, characteristic path length, clustering coefficient etc, are introduced to describe the network structure characters. And the statistical results of these parameters...
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