Research on High Efficient Single-Phase Multi-Stage Interleaved Bridgeless PFC Frontend for Class-D Amplifiers

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

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In this paper, a 3.5kW single-phase high efficient interleaved Bridgeless PFC (IBPFC) is proposed for class-D amplifiers. This topology achieves a relatively higher efficiency in a wide output power range, which helps to reduce the energy consuming of the whole system. In addition, a detailed analysis is given to reach a compromise of IBPFC’s volume, efficiency and EMI reduction. A 3.5kW 2-stage IBPFC prototype covering universal input (from 85Vac to 265Vac) and with 390Vdc output is built and optimized. The experimental verifications show good
Power Factor (PF) and excellent efficiency of 98.6% at 230Vac and a 2.22kW load.
Original languageEnglish
Title of host publication2012 IEEE 7th International Power Electronics and Motion Control Conference : ECCE Asia
PublisherIEEE
Publication date2012
Pages1054-1059
ISBN (print)978-1-4577-2087-1
DOIs
StatePublished

Conference

ConferenceThe International Power Electronics and Motion Control Conference
CountryChina
CityHarbin
Period02/06/1205/06/12
CitationsWeb of Science® Times Cited: No match on DOI

Keywords

  • High effecient, Bridgeless PFC, Interleaved, Class-D amplifiers, Delta modulation, Electromagnetic interference, Inductance, Optimization, Power harmonic filters, Windings
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