Three-phase ac-dc buck-boost converter with a reduced number of switches

Ibrahim Abdallah Mohamed Abdelsalam, Grain P. Adam, Derrick Holliday, Barry W. Williams

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)
1449 Downloads (Pure)


A single-switch, single-stage, three-phase ac-dc buck-boost converter suitable for medium-voltage applications is proposed. Basic relations that govern steady-state converter operation are established, confirmed using PSCAD/EMTDC simulations, and substantiated experimentally. Simulation and experimental results establish that the proposed converter has good dynamic performance in buck and boost modes, with near unity input power factor.
Original languageEnglish
Pages (from-to)494-502
Number of pages9
JournalIET Renewable Power Generation
Issue number5
Publication statusPublished - 1 Jul 2015


  • power factor
  • switching convertors
  • AC-DC power convertors
  • steady state converter


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