A high step-up gain DC-DC converter based on the stacking of three conventional buck boost DC-DC converters

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Abstract

A high step-up gain DC-DC converter is proposed on this work based on the stacking of three conventional buck boost dc-dc converters. The principle of operation, statics analysis and simulation results are included in this paper. A laboratory prototype of the proposed converter has been designed and implemented in order to test and verify experimentally, with rated power of 1 kW, 100 V input voltage, 400 V output voltage, 50 kHz switching frequency. The tested results serve to verifier both the operational principle and the quantitative analysis. Beside operation with high static gain, the voltage across the power semiconductors is half of the output voltage, that contributes to reduction of the both conduction and commutation loss.

Original languageEnglish
Title of host publicationCOBEP 2011 - 11th Brazilian Power Electronics Conference
Pages196-200
Number of pages5
DOIs
StatePublished - 2011
Event11th Brazilian Power Electronics Conference, COBEP 2011 - Natal, Brazil
Duration: 11 Sep 201115 Sep 2011

Publication series

NameCOBEP 2011 - 11th Brazilian Power Electronics Conference

Conference

Conference11th Brazilian Power Electronics Conference, COBEP 2011
Country/TerritoryBrazil
CityNatal
Period11/09/1115/09/11

Keywords

  • High step-up gain converter
  • non-isolated application
  • stacking conventional converter
  • voltage gain
  • voltage stress

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