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A centrality measure for electrical networks

Hawaii International Conference on System Sciences, Proceedings of the 41st Annual, , , 2008


Status: Published

Citations:

Cite: [bibtex]


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Abstract: We derive a measure of" electrical centrality" for AC power networks, which describes the structure of the network as a function of its electrical topology rather than its physical topology. We compare our centrality measure to conventional measures of network structure using the IEEE 300-bus network. We find that when measured electrically, power networks appear to have a scale-free network structure. Thus, unlike previous studies of the structure of power grids, we find that power networks have a number of highly-connected" hub" buses. This result, and the structure of power networks in general, is likely to have important implications for the reliability and security of power networks.



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