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Efficient and cooperative failure control in smart grid

Abstract:

Failures in the transmission network compromise the proper delivery of energy in a power grid. Control actions planned solely by a power utility (or operators) whose domain contains the failure cannot provide a strategy that guarantees the global stability of the grid. Such inappropriately addressed failures may develop a cascading behavior that can cause large-scale blackouts. In this paper we propose a distributed system to control failures based on cooperation agreements between different control domains of a Smart Grid. We design a control mechanism that generates low communication overhead and makes use of only local information (tie-lines) while providing a global stability. We also provide a guarantee for the system to cooperate to deliver as much energy as possible to meet the global demand. Our results show that our design can yield an increased amount of demand while maintaining low communications overhead compared to other distributed approaches.