New improved two-phase interleaved converter with clamp circuit and diode capacitor cell

Abstract This paper introduces a new improved two-phase DC–DC interleaved converter with clamp circuit and diode capacitor cell with coupled inductor for DC micro grid. The key focus of this research is to amend voltage gain and to cut down the stress of the switches. The diode capacitor arrangement with coupled inductor used to attain twice the voltage gain. The capacitors are connected end to end at the output to dismiss the voltage ripple. The gain of the modified converter is improved by secondary winding of coupled inductor. The leakage energy of the inductance is recycled and voltage spikes of power switches during turn off operation are suppressed by clamp circuit. The theoretical analysis of the modified converter is verified through simulation. A prototype of 150 W is constructed to demonstrate the efficient operation of the converter.

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