Parallel connection of single-switch three-phase power-factor correction converters for interleaved switching

Francis Robinson, Viboon Chunkag

Research output: Contribution to journalArticle

18 Citations (Scopus)
309 Downloads (Pure)

Abstract

A circuit for the parallel connection of multiple high-frequency three-phase power-factor-correction converters is proposed which enables their input and output current ripple to be interleaved. Such interleaved operation substantially improves the composite power factor, line-current ripple and output-voltage ripple. The improvement is investigated by developing solutions to circuit state equations which allow the high-frequency content of the line current, as well as the low-order line-frequency harmonics, to be computed. Conclusions drawn from the computed results are verified experimentally using a 1 kW, two-stage, interleaved converter
Original languageEnglish
Pages (from-to)423-433
Number of pages11
JournalIET Electric Power Applications
Volume144
Issue number6
DOIs
Publication statusPublished - Nov 1997

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