Characterization of a three-phase dual active bridge DC/DC converter in wye-delta connection for a high frequency and high power applications

Author

Baek, Seunghun ; Dutta, Sumit ; Bhattacharya, Subhashish

Author_Institution

Dept. of Electr. Eng., North Carolina State Univ., Raleigh, NC, USA

fYear

2011

fDate

17-22 Sept. 2011

Firstpage

4183

Lastpage

4188

Abstract

In this paper, high-frequency (HF) three-phase dual active bridge (DAB) dc/dc converter in wye-delta connection is characterized and the optimal condition in efficiency and size of the practical application is investigated. The proposed topology has many advantages, such as linear operation and wide range of full ZVS operation region which have been the major restrictions of the existing single-phase DAB applications. This new approach is applied to a 10kW DAB dc/dc converter prototype with multiple outputs to mitigate the switching losses using newly introduced 1200V SiC MOSFET and 1200V JBS Diodes.

Keywords

DC-DC power convertors; MOSFET; diodes; zero voltage switching; JBS diodes; MOSFET; Wye-Delta connection; ZVS operation; high frequency applications; high power applications; power 10 kW; single-phase DAB applications; three-phase dual active bridge DC/DC converter; voltage 1200 V; Bridge circuits; DC-DC power converters; Inductance; Phase transformers; Switches; Windings; Zero voltage switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Energy Conversion Congress and Exposition (ECCE), 2011 IEEE

Conference_Location

Phoenix, AZ

Print_ISBN

978-1-4577-0542-7

Type

conf

DOI

10.1109/ECCE.2011.6064339

Filename

6064339