Design of Zero Current Switching Flyback Converter for Power Efficiency in Solar Power System

The rapid advancements in smart grid technology have created an increased demand for DC-DC converters, especially isolated converters that require a distinct division between input and output. This study investigates the optimization of Flyback Converters, commonly used in lowpower scenarios, where switches with a 600 V breakdown voltage are crucial for voltage reduction management. Research has underscored the efficacy of operating these converters in Discontinuous Current Mode (DCM) to enhance efficiency. A comprehensive understanding of DCM involves examining the discontinuous current mechanism. The research commences with an analysis of current waveforms, followed by the development of Zero Current Switching (ZCS) and the delineation of conditions for Discontinuous Current Mode (DCM) operation. The ZCS Flyback Converter enhances energy conversion efficiency and mitigates power losses during switching, rendering it suitable for applications spanning low to medium power ranges. This investigation offers valuable insights into optimizing flyback converter performance to accommodate various power requirements.