Y-source boost DC/DC converter for distributed generation

Yam P. Siwakoti, Poh Chiang Loh, Frede Blaabjerg, Soren Juhl Andreasen, Graham E. Town

Research output: Contribution to journalArticlepeer-review

79 Citations (Scopus)

Abstract

This paper introduces a versatile Y-source boost dc/dc converter intended for distributed power generation, where high gain is often demanded. The proposed converter uses a Y-source impedance network realized with a tightly coupled three-winding inductor for high voltage boosting that is presently unmatched by existing impedance networks. The proposed converter also has more variables for tuning the required gain and, hence, more degrees of freedom for meeting design constraints. These capabilities have been demonstrated by mathematical derivation and experimental testing. For the experiments, a 300-W prototype has been built in the laboratory using silicon carbide devices for better efficiency. The prototype has been tested with a regulated power supply, before operating it with a high-temperature proton-exchange-membrane fuel cell. Results obtained confirm the practicality and performance of the proposed converter.

Original languageEnglish
Article number6875925
Pages (from-to)1059-1069
Number of pages11
JournalIEEE Transactions on Industrial Electronics
Volume62
Issue number2
DOIs
Publication statusPublished - 1 Feb 2015

Keywords

  • DC/DC converters
  • Y-source
  • Z-source.
  • distributed generation(DG)
  • fuel cells
  • impedance networks

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