Design of a Battery-Ultracapacitor Hybrid Energy Storage System with Power Flow Control for an Electric Vehicle

A combination of battery and ultracapacitor as a hybrid energy storage system (HESS) of an electric vehicle (EV) can result in better acceleration performance, reduce battery charge-discharge cycle and longer driving range. This paper presents a new converter design combining triple-half-bridge (THB...

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Bibliographic Details
Published inInternational Journal of Power Electronics and Drive Systems Vol. 9; no. 1; p. 286
Main Authors Tan, Boon Kai, Tan, Nadia M. L., Ramasamy, Agileswari
Format Journal Article
LanguageEnglish
Published Yogyakarta IAES Institute of Advanced Engineering and Science 01.03.2018
Subjects
Acceleration
Batteries
Battery cycles
Control systems
Converters
Dynamic response
Electric bridges
Electric vehicles
Energy storage
Equivalent circuits
Flow control
Hybrid systems
Power flow
Power management
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Summary:A combination of battery and ultracapacitor as a hybrid energy storage system (HESS) of an electric vehicle (EV) can result in better acceleration performance, reduce battery charge-discharge cycle and longer driving range. This paper presents a new converter design combining triple-half-bridge (THB) and buck-boost half-bridge (BHB) converters in a battery-ultracapacitor HESS. The BHB converter is used to compensate the voltage variation of the ultracapacitor. A power management system is proposed to control the power of battery and ultracapacitor to supply the demanded power. This paper describes the operation of the proposed converter using a simplified ∆ -type primary-referred equivalent circuit. This paper also shows the simulation results verifying the dynamic response of the proposed power management system for the proposed HESS. 
ISSN:2088-8694
2088-8694
DOI:10.11591/ijpeds.v9.i1.pp286-296