Abstract
Tremendous number of renewable energy sources (RES) and distributed generators integrated into distribution system, power generation uncertainty and massive decision variables bring about significant challenges to distribution system operator (DSO). Benefiting from advanced information technologies, distribution system evolves into cyber-physical distribution system (CPDS), and effective countermeasures can be made under distributed control framework to achieve optimality and resiliency of CPDS. For this purpose, fully distributed robust control strategy is specifically explored in this paper. Firstly, a two-stage robust optimization (RO) model is developed for each sub-area in CPDS, which takes uncertainty of wind power into consideration. After that, based on Consensus-ADMM algorithm, a fully distributed solution strategy of combined Consensus-ADMM and RO model is proposed. Results of study case verify that by adopting our method, accurate robust solution under different uncertainty budge can be obtained adaptively under diverse cyber or physical topologies, which guarantees optimality and resiliency of CPDS.
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