A Value-of-Service based Model for Resilient Distribution System Restoration with Microgrids

Large-scale blackouts and extreme weather events in recent years have drawn increasing concerns for improving the resilience of electric power systems. Distribution networks contributes majority of customer-outage minutes among utility infrastructure sectors. Following the faults location and isolation, distribution system restoration (DSR) is invoked to restore the out-of-service load as soon as possible. The increasing penetration of controllable devices, such as distributed generators, microgrids, and automatic switches, leverage the resilience of distribution system by involving the connected distributed energy resources (DERs) in the DSR. However, due to the limited power resources during restoration and repair process, the choice of load priorities still needs to be made. To mitigate the aforementioned challenges, in this paper we introduce a novel value-of-service (VOS) based model for DSR with microgrid. The model is formulated as a MILP model, and the effectiveness is validated via the IEEE 123 node test feeder.