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Three-phase Unidirectional Quasi-Single-Stage Delta-Switch Rectifier + DC-DC Buck Converter

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

This work presents a unidirectional three-phase PFC rectifier well-suited for application targeting high efficiency and/or high power density, such as DC-type electric vehicle chargers. Herein, a quasi-single stage AC-DC converter is proposed where a conventional three-phase DELTA-switch voltage source rectifier is cascaded to a PWM interleaved buck-type DC-DC converter by means of a low energy storage DC-link. The characteristics of the presented power electronics, including the principles of operation, modulation strategy, suitable PWM control scheme, and dimensioning equations are described in this paper. The presented circuit is benchmarked against other solutions for a 50 kW power capability battery charger. The results show a superior power efficiency of the proposed system.

Original languageEnglish
Title of host publicationIECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society
PublisherIEEE
Pages3479-3484
Number of pages6
ISBN (Electronic)978-1-7281-4878-6
ISBN (Print)978-1-7281-4879-3
DOIs
Publication statusPublished - Oct 2019
Externally publishedYes
Event45th Annual Conference of the IEEE Industrial Electronics Society, IECON 2019 - Lisbon, Portugal, Lisbon, Portugal
Duration: 14 Oct 201917 Oct 2019
Conference number: 45

Publication series

NameAnnual Conference of the IEEE Industrial Electronics Society (IECON)
PublisherIEEE
Number45
Volume2019
ISSN (Print)1553-572X
ISSN (Electronic)2577-1647

Conference

Conference45th Annual Conference of the IEEE Industrial Electronics Society, IECON 2019
Abbreviated titleIECON 2019
Country/TerritoryPortugal
CityLisbon
Period14/10/1917/10/19

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Electric Vehicle
  • Fast Charger
  • PWM
  • Rectifier
  • n/a OA procedure

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