Non-isolated single-switch step up/down converter with wide conversion range

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Abstract

A non-isolated single-switch step up/down converter with wide conversion range is proposed in this paper. In the porposed converter, a boost converter and a single-ended primary inductor converter (SEPIC) are connected in cascade. Due to the cascade connection of a boost converter and SEPIC, wide conversion range is achieved. By utilizing a single switch, a complex control circuitry problem of conventional cascade converters is solved. The boost converter at the input stage can provide a continuous input current. The operation principle and steady-state analysis of the proposed converter are provided. A prototype of the proposed converter is developed, and its experimental results are presented for validation.

Original languageEnglish
Title of host publicationAdvanced Research on Engineering Materials, Energy, Management and Control
Pages777-779
Number of pages3
DOIs
StatePublished - 2012
Event2012 2nd International Conference on Engineering Materials, Energy, Management and Control, MEMC2012 - Wuhan, China
Duration: 17 Mar 201218 Mar 2012

Publication series

NameAdvanced Materials Research
Volume424-425
ISSN (Print)1022-6680

Conference

Conference2012 2nd International Conference on Engineering Materials, Energy, Management and Control, MEMC2012
Country/TerritoryChina
CityWuhan
Period17/03/1218/03/12

Keywords

  • Boost converter
  • Cascade converter
  • SEPIC converter
  • Step up/down capability

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