Three-Level Single-Phase Bridgeless PFC Rectifiers

André De Bastiani Lange, Thiago Batista Soeiro, Márcio Silveira Ortmann, Marcelo Lobo Heldwein

Research output: Contribution to journalArticleAcademicpeer-review

69 Citations (Scopus)

Abstract

This paper presents new three-level unidirectional single-phase PFC rectifier topologies well suited for applications targeting high efficiency and/or high power density. The characteristics of a selected novel rectifier topology including its principles of operation, modulation strategy, feedback control scheme, and a power circuit design related analysis are presented. Finally, a 220-V/3-kW laboratory prototype is constructed and used in order to verify the characteristics of the new converter, which include remarkably low switching losses and single ac-side boost inductor, that allow for a 98.6% peak efficiency with a switching frequency of 140 kHz.
Original languageEnglish
Article number6812232
Pages (from-to)2935-2949
Number of pages15
JournalIEEE Transactions on Power Electronics
Volume30
Issue number6
DOIs
Publication statusPublished - 1 Jun 2015
Externally publishedYes

Keywords

  • AC-DC converter
  • High efficiency rectifier
  • Multi-level converter
  • Power factor correction
  • PWM modulation
  • PWM rectifier
  • n/a OA procedure

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