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A Dual-Active-Bridge-Based Single-Phase AC to DC Power Electronic Transformer With Advanced Features

Baranwal, Rohit and Castelino, Gysler F and Iyer, Kartik and Basu, Kaushik and Mohan, Ned (2018) A Dual-Active-Bridge-Based Single-Phase AC to DC Power Electronic Transformer With Advanced Features. In: IEEE TRANSACTIONS ON POWER ELECTRONICS, 33 (1). pp. 313-331.

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Official URL: http://doi.org/10.1109/TPEL.2017.2669148


Power electronic transformers (PETs) offer the advantage of size and weight reduction compared to line-frequency transformers by operating at much higher frequencies than line frequency. In this paper, a push-pull-based ac/dc PET has been proposed and analyzed. The PET offers bidirectional power flow between single-phase ac and dc, using the dual-active bridge principle. Such a system may find applications in interfacing plug-in hybrid and electric vehicles to the grid. The proposed PET offers advantages of open-loop unity power factor operation, soft switching of secondary-side converter power switches for all operating points, high power density owing to use of a high-frequency transformer, and high utilization factor (UF), compared to previous work. Analysis has been done for power transfer, UF, and soft switching. Simulation and experimental results have been provided to demonstrate the operation of the PET.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 26 Dec 2017 06:05
Last Modified: 26 Dec 2017 06:05
URI: http://eprints.iisc.ac.in/id/eprint/58411

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