Abstract: Recent year’s renewable energy sources plays important role in power generation system. Due to intermittent nature of renewable sources such as wind and solar, the energy storage systems (ESS) are required in renewable power generating systems. This paper deals with power management of the ESS based on hydrogen storage (electrolyzer, hydrogen tank, fuel cell) and battery integrated in hybrid renewable energy systems. The supervisory controller based on neuro-fuzzy inference system determines the power that must be generated by or stored in hydrogen and battery. The solar photovoltaic panels and wind turbine used as primary energy sources. The dc-dc converters connect all the energy sources to central dc bus. The model for each process component is developed in a MATLAB/Simulink environment.

Keywords: Hybrid system, ANFIS, energy storage system, Energy management system (EMS).