Research on EMI Reduction of Multi-stage Interleaved Bridgeless Power Factor Corrector

Qingnan Li, Ole Cornelius Thomsen, Michael A. E. Andersen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

Working as an electronic pollution eliminator, the Power Factor Corrector's (PFC) own Electromagnetic Interference (EMI) problems have been blocking its performance improvement for long. In this paper, a systematic research on EMI generation of a multi-stage Two-Boost-Circuit Interleaved Bridgeless PFC (IBPFC) is presented. The insight into relationship of interleaving stages, switching on/off oscillations and EMI reduction is discussed. Finally, a 3.5kW universal input 2-stage IBPFC prototype was built to verify the theoretical analysis. Experimental results show that significant EMI reductions at odd harmonics can be achieved by carefully designing the BPFC using interleaving technique.
Original languageEnglish
Title of host publicationAsia-Pacific International Symposium on Electromagnetic Compatibility
PublisherIEEE
Publication date2012
Pages693-696
ISBN (Print)9781457715570
DOIs
Publication statusPublished - 2012
EventAsia-Pacific International Symposium on Electromagnetic Compatibility - Singapore, Singapore
Duration: 21 May 201225 May 2012

Conference

ConferenceAsia-Pacific International Symposium on Electromagnetic Compatibility
Country/TerritorySingapore
CitySingapore
Period21/05/201225/05/2012

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