Invited Seminar at National Tsing Hua University (NTHU), Hsinchu, Taiwan

Title: Designing Future Power Converters Using Wide Bandgap Devices

Abstract: The demand for smaller and higher-efficiency electronics is always growing, and power converters are no exception to this trend. This work focuses on developing a high-performance isolated DC/DC converter used in applications such as, computers, telecommunication equipment, data centers, battery chargers, and aerospace technologies. Specifically, the challenge is to achieve a power converter with high-efficiency, high-power density and low output voltage ripple. This work implements a half-bridge LLC resonant converter that can achieve zero-voltage switching (ZVS) over the full load range, which results in lower switching loss than conventional converters. This design also utilizes wide bandgap GaN devices, which allow for higher power density of the power electronics. The design, simulation and experimental results of the LLC resonant converter will be introduced in this presentation.

Prof. Po-Tai Cheng invited Prof. Yu-Chen Liu to give a seminar at National Tsing Hua University (NTHU) in Hsinchu, Taiwan.  Prof. Liu shared his research on power converters with wide bandgap devices with the power electronics group at NTHU.