A New High Step-Up Interleaved LLC Converter (original) (raw)

2021 12th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC), 2021

Abstract

In this study, a new LLC resonant converter for high-voltage high-power applications is introduced. The introduced power converter is a two-phase interleaved full-bridge based that uses a transformer with secondary and tertiary windings to obtain higher output voltage. Zero voltage switching (ZVS) at MOSFETs turn on and zero current switching (ZCS) for all the output diodes at turn off are achieved for a wide range of input voltage (100 V–200 V) and output power (200 W–1500 W) variations. Simulation results show a 95% peak efficiency.

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