Management Controller for a DC MicroGrid integrating Renewables and Storages

DC MicroGrids present an increasing interest as they represent an advantageous solution for interconnecting renewable energy sources, storage systems and loads as electric vehicles. A high-level management system able to calculate the optimal reference values for the local controllers of each of the DC MicroGrid interconnected devices is introduced in this paper. Both the changing environmental conditions and the expected load variations are taken into account. The controller considers power balance and the desired voltage level for the DC microgrid. Constraints taking into account the different nature of the storage devices are also considered.