Novel transformer-flux-balancing control of dual-active-bridge bidirectional converters

Author

Panov, Yuri ; Jovanovic, Milan M. ; Irving, Brian T.

Author_Institution

Power Electron. Lab., Delta Products Corp., Research Triangle Park, NC, USA

fYear

2015

fDate

15-19 March 2015

Firstpage

42

Lastpage

49

Abstract

In this paper, a novel flux-balancing method for the isolated dual-active-bridge (DAB) bidirectional converter based on direct control of the magnetizing current is proposed. In the proposed method, the dc component of the primary and secondary current is controlled by providing two control loops; one to keep the average magnetizing current approximately zero and the other to keep the average primary and secondary current approximately zero. The performance of the proposed flux-balancing control is experimentally evaluated on a 3.3-kW DAB prototype designed for automotive applications.

Keywords

automotive engineering; bridge circuits; electric current control; magnetic flux; magnetisation; power convertors; DAB prototype design; automotive applications; direct magnetizing current control; dual active bridge bidirectional converter; power 3.3 kW; transformer flux balancing control; Bandwidth; Bridge circuits; Circuit faults; Magnetic flux; Magnetic separation; Modulation; Saturation magnetization;

fLanguage

English

Publisher

ieee

Conference_Titel

Applied Power Electronics Conference and Exposition (APEC), 2015 IEEE

Conference_Location

Charlotte, NC

Type

conf

DOI

10.1109/APEC.2015.7104330

Filename

7104330