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MLPRA: An MCDS and Link-Priority-Based Network Repair Algorithm for Smart Grid

The power system is an infrastructure for industrial manufacturing, and its availability is relevant to industrial systems. The smart grid combines communication systems with sensing devices to provide intelligent management tools for fault monitoring and processing of the power grid. Regional failures caused by natural disasters can have a large impact on the power system. To reduce the impact of disasters, an efficient network repair strategy is needed. This article focuses on the emergency repair strategy of a power communication network under disaster conditions and seeks to ensure the operation of the power system with fewer repairs. Combined with the analysis of cascading failures and regional failures, a communication network fast repair algorithm is proposed. The coupled network is constructed in the simulation part to verify the algorithm. The results show that with a limited number of node repairs, the algorithm can ensure the highest percentage of workable nodes.