Distributed micro-storage systems at residential level in smart communities with high penetration of photovoltaic generation
In this line, this chapter aims to provide an analysis of distributed microstorage energy systems at the residential level to contribute to smart grid goals. The chapter is organized in five sections as follows: first an overview of micro-storage technologies, including the state of the art, is presented. It will also be shown the advantages when using different ESS unified in a hybrid energy storage system (HESS), achieving best parameters for specific applications than the ESS operating individually. The second section is devoted to the suitable topologies for the bi-directional electronic converter responsible for the flux between the micro-storage energy system located at home and the grid by means of the smart community energy management system (SCEMS). Afterwards, in the third section control strategies for the ESMS of the microstorage device are proposed, following different compensation objectives from the set-points provided by the SCEMS. Furthermore, these strategies will ensure at all times safety and will improve the efficiency and lifetime of the ESS. In the fourth section, the attention is paid to the power interfaces for the integration of ESS into the grid to adapt the requirements of distributed microstorage system in a smart community with high penetration of photovoltaic systems.