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Active voltage balancing circuit using single switched-capacitor and series LC resonant energy carrier

A. K. M., Ahasan Habib and S. M. A., Motakabber and Ibrahimy, Muhammad Ibn and M. K., Hasan (2020) Active voltage balancing circuit using single switched-capacitor and series LC resonant energy carrier. Electronics Letters. pp. 1-3. ISSN 0013-5194 E-ISSN 1350-911X

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Abstract

Single switched-capacitor and series LC resonant converter-based active voltage balancing circuit are presented in this Letter. This converter is proposed to balance the cell voltage in series-connected electrochemical energy storage devices namely battery or supercapacitor. This balancing circuit directly transfers the energy from higher capacitive energy storage cells to lower energy storage cells in the string. It realises the maximum energy recovery and zero voltage gap between the cells and overcomes the drawback of switching loss, conduction loss, balancing time duration, and the voltage difference between the cells of conventional switched-capacitor as well as single LC converter. The details of the balancing circuit operation, theoretical, and mathematical analysis are presented. The experimental result demonstrated that the balancing circuit result where the voltage difference is 451–0 mV in 124 min for two 12 V, 4.5 Ah lead-acid batteries.

Item Type: Article (Journal)
Additional Information: 6791/83045
Uncontrolled Keywords: lead acid batteries; mathematical analysis; capacitors; electrochemical electrodes; energy storage; resonant power convertors; supercapacitors; secondary cells
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Kulliyyah of Engineering
Depositing User: Dr S M A Motakabber
Date Deposited: 18 Sep 2020 10:00
Last Modified: 18 Sep 2020 10:00
URI: http://irep.iium.edu.my/id/eprint/83045

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