Force Quasi-Resonant (FQR) Flyback Converter for Low Power AC-DC Adapter Application

Y. L. Ho, K. W.E. Cheng, Kin Lung Jerry Kan, H. S. Chung, Wan Yee Lam

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

With ever-increasing demands of smaller size, lighter weight and cost effective for all forms of AC-DC consumer electronics, and wire winding transformers have been most used in isolated adaptor for over a century. The most popular isolated AC-DC adaptor topology is the flyback, but the leakage inductance and switching losses of a traditional flyback limit the switching frequency and prevent the ability to achieve a small solution size. This paper demonstrates new ways to optimize flyback topology with low voltage auxiliary switch to produce much higher efficiencies, even while switching at a higher frequency for adapter application.

Original languageEnglish
Title of host publicationProceedings of the 9th International Conference on Power Electronics Systems and Applications, PESA 2022
EditorsKa-wai Eric Cheng
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665486682
DOIs
Publication statusPublished - 2022
Event9th International Conference on Power Electronics Systems and Applications, PESA 2022 - Hong Kong, Hong Kong
Duration: 20 Sept 202222 Sept 2022

Publication series

NameProceedings of the 9th International Conference on Power Electronics Systems and Applications, PESA 2022

Conference

Conference9th International Conference on Power Electronics Systems and Applications, PESA 2022
Country/TerritoryHong Kong
CityHong Kong
Period20/09/2222/09/22

Keywords

  • ABS
  • configurable EV
  • Electric Vehicles
  • Energy storage
  • Force Quasi-Resonant
  • fuel cell
  • in-wheel motor
  • Redox flow battery

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Optimization
  • Energy Engineering and Power Technology

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