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Electronic Devices

A Novel Interleaved Bridgeless SEPIC Converter With Synchronous Rectifier for Multiple Applications

A. Muthuram Kumar, P. Subha Karuvelam
Research Scholar, Department of EEE Government College of Engineering Tirunelveli, Tamilnadu, India

Abstract: A new isolated interleaved SEPIC converter feeding synchronous factors rectifier for HVDC and wireless power transmission, and Power factor correction applications are explained and analyzed in this paper. Various converter configurations, such as boost, buck, a combination of buck-boost, cuk, and recently SEPIC, have been used to rectify power factor through the output of bridge rectifier circuit. To enhance the power changeover operation of a proposed system, a modified multilevel inverter is connected through an isolated (LC)2 Synchronous rectifier. This unit can productively improve the SEPIC at wider range output with the ripple-free operation. Further, zero voltage switching (ZVS) is introduced to the synchronous rectifier to reduce the deviceÃ¢â‚¬â„¢s operational losses. The mathematical model simplification of the concerned system thus produces the duty cycle with an output feedback control circuit. MATLAB/Simulink is employed for the verification of theoretical analyses and an FPGA controller is used as the experimental setup to validate the simulation setup.

Keywords: SEPIC, Multilevel Inverter, Isolation Transformer, Rectifier, Resonant Circuit A Novel Interleaved Bridgeless SEPIC Converter With Synchronous Rectifier for Multiple Applications

DOI:https://doi.org/10.6025/ed/2024/13/1/1-29

Full_Text PDF 9.53 MB Download: 19 times

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