High Step-Up Ripple-Free Resonant DC/DC Converter Without Auxiliary Inductor

Tsegaab Alemayehu Wagaye, Hamid Raheem, Changkyu Bai, Dongok Moon, An Yeol Jung, Minsung Kim

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

Abstract

In this paper, we present high step-up ripple-free resonant dc/dc converter that does not use auxiliary inductors. By using the push-pull transformer with the primary-side switching modulation fixed at 0.5, the proposed converter accomplishes theoretically zero input-current ripple. By removing the input auxiliary inductors, the proposed converter achieves high power density. In addition, this converter can achieve zero-voltage switching of the primary-side switches and zero-current switching of output diodes under a wide input voltage range. A 1-kW experimental prototype was implemented and it was tested to validate the superior properties of the proposed converter.

Original languageEnglish
Title of host publicationICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia
Subtitle of host publicationGreen World with Power Electronics
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1329-1335
Number of pages7
ISBN (Electronic)9788957083505
DOIs
StatePublished - 2023
Event11th International Conference on Power Electronics - ECCE Asia, ICPE 2023-ECCE Asia - Jeju, Korea, Republic of
Duration: 22 May 202325 May 2023

Publication series

NameICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics

Conference

Conference11th International Conference on Power Electronics - ECCE Asia, ICPE 2023-ECCE Asia
Country/TerritoryKorea, Republic of
CityJeju
Period22/05/2325/05/23

Keywords

  • instantaneous reactive current
  • low cost
  • Push-pull transformer
  • reduced voltage stress
  • zero input-current ripple

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