Resiliency/Cost-Based Optimal Design of Distribution Network to Maintain Power System Stability Against Physical Attacks: A Practical Study Case

Unexpected natural disasters or physical attacks can have various consequences, including extensive and prolonged blackouts on power systems. Energy systems should be resistant to unwanted events, their performance is not easily affected by such conditions. The system also sufficient flexibility adapt severe disturbances without losing its full version; it restore itself immediately after resolving the disturbance. This critical feature of behavior infrastructure in grids called resilience. In this paper, concepts related resilience against disturbance are explained. evaluation process components introduced; then, an optimal design resilient substations Noorabad city distribution grid attack presented. research proposes solution for simultaneously allocating feeder routing issue substation facilities finding models installed conductors economic hardening lines due unexpected vital urban operational infrastructure. values networks calculated using grey wolf optimization (GWO) algorithm solve problem designing network scheme (ODNS) (ORDNS). Obtained results confirm effectiveness proposed resiliency-cost-based approach.