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Research Article Open Access
In this paper, two DC-DC converters are designed for Hybrid Electric Vehicle System (HEVS) in order to improve overall performance of Electric motor’s running condition and charging controller for Storage elements (Battery).These two converters are termed as Front End Converter (FEC) and Rear End Converter (REC). First one act as a charging controller for Battery, later one works in order to improve running condition of a electric vehicle. A Zero Voltage Switching (ZVS) is implemented in front end converter to reduce the switching losses of switching devices. In addition to this, Front End Converter achieves near unity power factor by having additional auxiliary circuit in it. On the other hand, Rear End Converter works in such a way that it connects hybrid Energy Storage elements to motor unit depending on it’s running performance. Simply to say, Rear end converter connects a Battery to motor when power density requirement is lees, But it connects Ultra Capacitor during higher power density requirement. This paper is simulated in user friendly tool of MATLAB/Simulink 2010.