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Floating high step-down stacked dc-dc converter based on buck-boost cells
KTH.
2015 (English)In: 2015 17th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2015, Institute of Electrical and Electronics Engineers (IEEE), 2015Conference paper, Published paper (Refereed)
Abstract [en]

In some high power dc-dc applications, where high voltage is present, a converter with high step-down ratio is required in order to provide an isolated low power auxiliary supply. This requirement represents a challenge and many topologies are currently being researched. The analysis of a non-isolated, unidirectional, high step-down voltage-ratio converter based on a stack of buck-boost converters is demonstrated. The converter is intended to be applied as a floating non-isolated power supply, which can be connected to one or more isolated converters. A design example is detailed and validated with simulations, and experimental results for a 200 W, 2.8 kV input voltage and 350 V output voltage converter. © 2015 EPE Association and IEEE.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015.
Keyword [en]
auxiliary power supply, dc-dc converter, High voltage power converters buck-boost, Electric inverters, HVDC power transmission, Power converters, Power electronics, Buck boost converter, Buck-boost, Input voltages, Isolated converters, Isolated power supplies, Output voltages, Voltage ratios, DC-DC converters
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-196164DOI: 10.1109/EPE.2015.7309181Scopus ID: 2-s2.0-84965081997ISBN: 9789075815221 (print)OAI: oai:DiVA.org:kth-196164DiVA: diva2:1046959
Conference
17th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2015, 8 September 2015 through 10 September 2015
Note

Funding Details: EIT, European Institute of Innovation and Technology. QC 20161116

Available from: 2016-11-16 Created: 2016-11-14 Last updated: 2016-11-16Bibliographically approved

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Permanent link

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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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