DESIGN AND IMPLEMENTATION OF BIDIRECTIONAL CONVERTER FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES

Abstract

Nowadays, the power demand and a shortage of fuel considered as one of the most critical worldwide issues, power, and costly fuel becomes a significant challenge for customers. This research designs a bidirectional converter (BC) following the trend has seen for renewable energy sources like photovoltaic, and, wind. This BC is proposed to transfer power from grid/ renewable energy systems to the electric vehicle system (EVS) as well as EVS to grid power transfer. The proposed work of dual stage topology allows maintaining input voltage as well as output voltage level. During discharging, the energy from a battery pack returned to the grid where the dc link bus will interconnect with electric traction inverter. Depending upon power demand, the converter input and the output voltage can be used to set reference voltage. A fuzzy proportional integral controller (FPIC) is used to regulate the voltage of dc link capacitor. The performance of the proposed BC regarding voltage gain, efficiency, and the flexible application has been analyzed using MATLAB simulation and also with experimental studies