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Soft-Switching Current-FED Flyback Converter with Natural Clamping for Low Voltage Battery Energy Storage Applications

  • Roman KosenkoEmail author
  • Dmitri Vinnikov
Conference paper
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 499)

Abstract

This paper introduces a new galvanically isolated current-fed step-up dc-dc converter intended for high voltage gain applications. The converter have fully-controllable voltage doubler rectifier, with control signals synchronous to that of the inverter switches. The proposed converter can regulate output voltage within wide range of the power and input voltage variations. Proposed converter does not require snubbers or resonant switches and with proposed control sequence ensures switches operation under soft-switching conditions in all transient states. Soft-switching in semiconductors allows achieving high efficiency. Moreover, the input side current is continuous. The operating principle for the energy transfer from the current-fed to voltage-fed side is described, design guidelines along with experimental verification of the proposed converter are shown in this paper. The converter proposed can be used as a front-end converter for grid connected battery storage.

Keywords

Current-fed converter Soft-switching Flyback converter ZVS ZCS Switching sequence Clampless Energy storage 

Notes

Acknowledgments

This work has been supported by the Estonian Research Council grant PUT744 and by the Estonian Centre of Excellence in Zero Energy and Resource Efficient Smart Buildings and Districts, ZEBE, grant 2014-2020.4.01.15-0016 funded by the European Regional Development Fund.

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Copyright information

© IFIP International Federation for Information Processing 2017

Authors and Affiliations

  1. 1.Tallinn University of TechnologyTallinnEstonia
  2. 2.Chernihiv National University of TechnologyChernihivUkraine

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