Indian Journal of Science and Technology

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In this paper an interleaved boost converter with Zero voltage Switching (ZVS) and Pulse Width modulation (PWM) techniques are proposed. The interleaved boost converters are preferred widely for the high power circuits since it has less input current ripple, reduced filter size, low cost and high efficiency. It regulates the DC output voltages by adjusting the duty cycle of the switches. In this proposed converter two boost DC-DC converters with interleaved operation is used to increase the output power and also it reduces the ripples in voltage and current. By incorporating ZVS and PWM technique the output voltage of 460V and 1450W is produced with 100V input supply. The simulation analysis by using MATLAB/simulink shows that the soft switching techniques will reduce the switching losses and it improves the overall efficiency (97%) of the proposed system when compared to the conventional interleaved boost converter.

Keywords

High Power Applications, Interleaved Boost Converter (IBC), MATLAB/Simulink, Pulse Width Modulation (PWM), Soft Switching.
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