Coordinated Optimization Strategy for Topology Configuration of Wind-Solar- Hydrogen-Storage Multi-Energy Microgrid

The renewable energy sources (RESs) are the main method to reduce the global carbon emission. The power generated from wind turbines (WTs) and photovoltaics (PVs) is widely used as RESs. In order to cope with the power fluctuations of WTs and PVs, this paper proposes a coordinated optimization strategy to configure the topology and minimize the overall cost of a wind-solar-hydrogen-storage multi-energy microgrid. The topology optimization of the wind-solar-hydrogen-storage multi-energy microgrid aims at the optimal topology mode including WTs, PVs, energy storages, power grid power input nodes, MVDC busbar, LVDC busbar, MVAC busbar, LVAC busbar, heating flow pipeline to achieve the minimal operation cost. The proposed optimization model is formulated as a mixed-integer linear programming (MILP) problem solved by Yalmip tool on MATLAB. Simulation results verify the effectiveness of the proposed method.