Bidirectional Twisted Single-Stage Single-Phase Buck-Boost DC-AC Converter

Oleksandr Husev, Oleksandr Matiushkin, Carlos Roncero-Clemente, Dmitri Vinnikov and Vasyl Chopyk
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Oleksandr Husev: Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology (TalTech), 10111 Tallinn, Estonia
Oleksandr Matiushkin: Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology (TalTech), 10111 Tallinn, Estonia
Carlos Roncero-Clemente: Department of Electrical, Electronic and Control Engineering, School of Industrial Engineering, University of Extremadura, 06006 Badajoz, Spain
Dmitri Vinnikov: Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology (TalTech), 10111 Tallinn, Estonia
Vasyl Chopyk: Institute of Electrodynamics, National Academy of science of Ukraine, 01030 Volodymyrska, Ukraine

Energies, 2019, vol. 12, issue 18, 1-14

Abstract: This paper describes a bidirectional twisted single-phase single-stage buck-boost dc-ac converter based on an output unfolding circuit. This solution is derived by the combination of an inverting buck-boost dc-dc converter and an unfolding circuit. The operation principle, component design guidelines, along with the control approach are presented. The zero-crossing distortion problem is discussed and solved by a simple approach. The simulation and experimental results confirm all theoretical statements. Loss distribution and achievable efficiency are analyzed. Finally, the pros and cons of the proposed solution, along with the most promising application field, are analyzed and discussed in the conclusion.

Keywords: unfolding circuit; bidirectional dc-ac converter; buck-boost converter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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