Fuzzy Ruler Based Energy Management System for Hybrid Battery -Ultra Capacitor DC Micro Grid System

Abstract: This paper represents implementation of an alloyed battery–ultra capacitor energy management system (EMS) by using fuzzy controllers, analysis and evolution of better battery power management systems is proposed in this paper, added advantage of ultra capacitor will gives optimal storage charging and discharging characteristics, also improves the life cycle energy storage devices .discharging current and state of charge (SOC%) of battery storage system is shown by MATLAB/SIMULINK. Proposed DC micro grid system is designed and analyzing results are shown.

Keywords: Dc microgrid, battery energy management, fuzzy controller, Ultra capacitor, Fuzzy logic