A Series Resonant Network based Boost Converter

Abstract

In this paper, a preliminary idea of a new dc-dc boost converter is presented, which contains a unique feature of series resonating network. In the proposed circuit all the fundamental operations are controlled through a single low side switch. The main philosophy behind the designing of the boost converter is to offset the conventional thinking of placing the diode at the output. In this sense, the current from output capacitor is allowed to return back through the resonant network along with natural input current from source, giving rise to higher voltage gain. Compared to the conventional boost converter, the higher gain is achieved in the proposed converter using a single switch and few more components. The proposed converter is tested using PSIM simulations and under three distinct duty ratio value. It is seen that the simulated outputs are in harmony with the theoretical value and that the output voltage obtained using these duty ratio values is higher as compared to conventional boost converter.