Floating high step-down stacked dc-dc converter based on buck-boost cells
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 (Refereed)
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.
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
Electrical Engineering, Electronic Engineering, Information Engineering
IdentifiersURN: urn:nbn:se:kth:diva-196164DOI: 10.1109/EPE.2015.7309181ScopusID: 2-s2.0-84965081997ISBN: 9789075815221OAI: oai:DiVA.org:kth-196164DiVA: diva2:1046959
17th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2015, 8 September 2015 through 10 September 2015
Funding Details: EIT, European Institute of Innovation and Technology. QC 201611162016-11-162016-11-142016-11-16Bibliographically approved