In this paper, the design and analysis of a Buck quasi-resonant converter (QRC) has been presented using Zero Current Switches (ZCS). The maximum voltage and current stresses of different components have been derived using the state plane of this converter. The results of the analysis are verified by experiment and PSpice simulations. In addition, the Insulated Gate-Bipolar transistors (IGBT) have been found to be as a suitable switching device for this particular converter up to 100 kHz switching frequency.
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