Design of a battery-ultracapacitor hybrid energy-storage system with power flow control for an electric vehicle

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3 Citations (Scopus)

Abstract

A combination of battery and ultracapacitor as a hybrid energy storage system (HESS) for an electric vehicle (EV) can result in better acceleration performance, reduced battery charge-discharge cycle and longer driving range. This paper presents a new converter design combining triple-half-bridge (THB) and 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 of an EV. 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 fast dynamic response of the proposed power management system for the proposed HESS, with minimal current stress.

Original languageEnglish
Pages (from-to)286-296
Number of pages11
JournalInternational Journal of Power Electronics and Drive Systems
Volume9
Issue number1
DOIs
Publication statusPublished - 01 Mar 2018

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Electric vehicles
Flow control
Power control
Energy storage
Equivalent circuits
Dynamic response
Supercapacitor
Electric potential
Power management

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

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abstract = "A combination of battery and ultracapacitor as a hybrid energy storage system (HESS) for an electric vehicle (EV) can result in better acceleration performance, reduced battery charge-discharge cycle and longer driving range. This paper presents a new converter design combining triple-half-bridge (THB) and 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 of an EV. 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 fast dynamic response of the proposed power management system for the proposed HESS, with minimal current stress.",
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