A family of high-power multilevel switched capacitor-based resonant DC-DC converters – operational parameters and novel concepts of topologies

This paper presents the concept of topologies and investigation results of switched-capacitor voltage multipliers designed for application in high power systems. The analyzed family of multilevel converters includes established topologies as well as novel concepts. The application of thyristors as w...

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Bibliographic Details
Published in:Bulletin of the Polish Academy of Sciences. Technical sciences 2017-10, Vol.65 (5), p.639-651
Main Authors: Stala, R., Piróg, S., Penczek, A., Kawa, A., Waradzyn, Z., Mondzik, A., Skała, A.
Format: Article
Language:English
Subjects:
Capacitors
Computer simulation
DC-DC converter
Electric converters
Electric potential
Energy conversion efficiency
high power converter
high voltage gain
Mathematical models
Multilevel
resonant converter
Systems analysis
Thyristors
Topology
Voltage converters (DC to DC)
Voltage gain
zero-current switching
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Summary:This paper presents the concept of topologies and investigation results of switched-capacitor voltage multipliers designed for application in high power systems. The analyzed family of multilevel converters includes established topologies as well as novel concepts. The application of thyristors as well as the invention of novel concepts of multiplier topologies and appropriate control make it possible to achieve high efficiency, high voltage gain, reliable and simple DC-DC converters for high power systems. Based on analytical models of the SCVMs, the paper presents a discussion of the selection of components and the efficiency of the converters as a function of converted power as well as the voltage range on the input and the output side. The results are supported by computer simulations and demonstrative experimental tests.
ISSN:2300-1917
0239-7528
2300-1917
DOI:10.1515/bpasts-2017-0069