High frequency inverter topologies integrated with the coupled inductor bridge arm

Yihua Hu, Bing Ji*, Stephen Finney, Weidong Xiao, Wengping Cao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A new topology of the high frequency alternating current (HFAC) inverter bridge arm is proposed which comprises a coupled inductor, a switching device and an active clamp circuit. Based on it, new single-phase and threephase inverters are proposed and their operating states are analysed along with the traditional H-bridge inverter. Multiphase and multi-level isolated inverters are also developed using the HFAC bridge arm. Furthermore, based on the proposed HFAC, a front-end DC-DC converter is also developed for photovoltaic systems to demonstrate the application of the proposed HFAC converter. Simulation and experimental results from prototype converters are carried out to validate the proposed topologies which can be utilised widely in high frequency power conversion applications such as induction heating and wireless power transfer.

Original languageEnglish
Pages (from-to)1144-1152
Number of pages9
JournalIET Power Electronics
Volume9
Issue number6
DOIs
Publication statusPublished - 18 May 2016

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