Scheduling of energy management based on battery logistics in pelagic islanded microgrid clusters

According to resource distribution, the pelagic islands can be divided into the load center island and resource rich islands. Since the islanded microgrids are geographically isolated, an economical and feasible way of energy flow among islanded microgrids is urgently needed. This paper proposes a novel energy management system (EMS) based on battery logistics by electric vessel to optimize the operation of pelagic islanded microgrid clusters (PIMGC). Firstly, the battery logistics among islanded microgrids and energy flow within islanded microgrids are modeled. Furthermore, an information gap decision theory-based EMS model is established with the uncertainties of renewable energy generators. Then, the Generalized Benders method is presented to decompose the scheduling problem into a master problem of discrete battery logistics optimization and subproblems of power flow feasibility checking. Finally, case studies with the proposed EMS are conducted with three islands in the South China Sea. The simulation results show that the proposed EMS is feasible and economical to supply energy for PIMGCs, providing a reference for the energy supply system of pelagic islands.