Natural connectivity and robustness in the topological structure of Eletrosul transmission system

Resumo

The robustness of network structures under failure or malfunction of a subset of its nodes is recognized to be related to the number of redundant paths between nodes, which facilitate the redistribution of flows and contributes to the maintenance of its functions in the period post-failure.
This paper investigates robustness on the basis of the variation of natural connectivity induced by the addition of links in a model of Eletrosul transmisson system. The results provide information regarding optimal strategies for the expansion of the electrical grid from the viewpoint of
maximizing the availability of redundant closed paths within the network structure, which is believed to be related to the structural robustness of network systems.