Application of bi-directional Z-Source in ultracapacitor-battery hybrid energy storage system for EV

Author

Zipeng Liang ; Sideng Hu ; Yuan Liu ; Wuhua Li ; Xiangning He

Author_Institution

Coll. of Electr. Eng., Zhejiang Univ., Hangzhou, China

fYear

2015

fDate

15-19 March 2015

Firstpage

3124

Lastpage

3127

Abstract

In this paper, a new battery/ultracapacitor (UCs) hybrid energy storage system (HESS) based on bi-directional Z-Source converter is proposed for electric drive vehicles. Different from previous HESS, by using the bi-directional Z-source topology, extra dc-dc converter is no longer needed. The UCs have wide operation range and the cost of battery package and corresponding balance circuit is reduced. The control schematic, small signal modeling are presented. Both simulation and experiments are demonstrated to verify the effectiveness.

Keywords

angular velocity control; battery powered vehicles; closed loop systems; invertors; machine vector control; permanent magnet machines; secondary cells; supercapacitors; synchronous motor drives; voltage control; bidirectional Z-source converter; control methods; electric vehicle; small signal model; ultracapacitor-battery hybrid energy storage system; Batteries; Bidirectional control; Integrated circuit modeling; Mathematical model; Switches; Topology; EV; Z-Source; hybrid energy storage;

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.2015.7104797

Filename

7104797