Abstract
A new configuration of single phase AC-DC SEPIC converter with PFC controller has been designed for achieving higher efficiency, power factor with lower THD as compared to conventional converters. The proposed bridgeless converter provides near unity power factor than conventional converters. The proposed converter utilizes a single switch with two diodes at the input side. Conventional converter suffers from lots of demerits such as high THD in input current, low power factor whereas newly designed converter significantly improves these parameters. Despite satisfactory results in open loop configuration, the PFC controller has been added to obtain more precise results. Results were obtained by using PSIM software.
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