Auxiliary switch control of bi-directional soft switching DC/DC converter for EV

Author

Yu, Dong-Ho ; Lee, Jung-Hyo ; Kim, Se-Chun ; Lee, Yong-Seok ; Won, Chung-Yuen ; Jung, Yong-Chae

Author_Institution

Sch. of Inf. & Commun. Eng., Sungkyunkwan Univ., Suwon, South Korea

Volume

2

fYear

2012

fDate

2-5 June 2012

Firstpage

854

Lastpage

858

Abstract

In this paper, the auxiliary switch control using lookup table is proposed to enhance the efficiency of a bi-directional DC/DC converter for EVs. The bi-directional DC/DC converter performs soft switching. It is difficult to obtain continuous current data at the resonant operation. The proposed auxiliary switch control has a look-up table reference of the auxiliary switch turn-on time. The control method properly controls the auxiliary switch turn-on time according to the required load current and is sufficiently safe and efficient in a regenerative mode. The validity of the proposed approach has been demonstrated by the experimental results on a bi-directional DC/DC converter, inverter, IPMSM.

Keywords

DC-DC power convertors; electric vehicles; machine control; table lookup; DC/DC converter; EV; auxiliary switch control; bidirectional soft switching; control method; electric vehicle; load current; lookup table; regenerative mode; Bidirectional control; DC-DC power converters; Inductors; Interpolation; Switches; Table lookup; Auxiliary switch control; Electric vehicle; Look-up table; Resonant type of bidirectional converter; Soft switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics and Motion Control Conference (IPEMC), 2012 7th International

Conference_Location

Harbin

Print_ISBN

978-1-4577-2085-7

Type

conf

DOI

10.1109/IPEMC.2012.6258962

Filename

6258962