A Modified Y-Source DC/DC Converter with High Voltage-Gains and Low Switch Stresses

J. Yuan, A. Mostaan, Y. Yang*, Y. P. Siwakoti, F. Blaabjerg

*Corresponding author

Research output: Contribution to journalLetterpeer-review

6 Citations (Scopus)
44 Downloads (Pure)

Abstract

This letter proposes a modified Y-source dc-dc converter, which features higher voltage-gains but lower voltage stresses on the components. Moreover, the proposed converter draws a continuous current from the dc input with much control flexibility (i.e., a wide range of adjustable duty cycles). Additionally, the coupled inductors have a low turns ratio, and the core saturation issue is avoided due to the dc-current-blocking capacitor. A detailed analysis of the proposed converter is provided, and the performance is benchmarked with selected coupled-inductors-based converters on various aspects. Experimental tests confirm the theoretical analysis.

Original languageEnglish
Article number8950197
JournalIEEE Transactions on Power Electronics
Volume35
Issue number8
Pages (from-to)7716-7720
Number of pages5
ISSN1941-0107
DOIs
Publication statusPublished - Aug 2020

Keywords

  • DC-DC converter
  • Y-source converter
  • voltage stress
  • renewable energy

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