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Title: Online impedance spectroscopy estimation of a dc-dc converter connected battery using an earth leakage monitoring circuit
Authors: Varnosfaderani, Mina Abedi
Strickland, Dani
Keywords: Batteries
DC/DC converters
Frequency analysis
Impedance spectroscopy
Issue Date: 2017
Publisher: IEEE © assigned jointly to the European Power Electronics and Drives Association & the Institute of Electrical and Electronics Engineers (IEEE)
Citation: VARNOSFADERANI, M.A. and STRICKLAND, D., 2017. Online impedance spectroscopy estimation of a dc-dc converter connected battery using an earth leakage monitoring circuit. 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), Warsaw, Poland, 11th-14th September 2017.
Abstract: Electrochemical Impedance Spectroscopy (EIS) techniques are useful tools for being able to look at the characterisation of batteries under different conditions and/or with different material components. However, EIS analysis is mostly undertaken offline with bespoke equipment. This paper describes a method of undertaking EIS measurement on-line without the use of additional equipment by manipulating the earth leakage monitoring circuit to generate low frequency excitation signals to analyse a battery system connected to a dc/dc converter. This paper describes the methodology and presents some experimental results compared with off line EIS results generated with more traditional EIS equipment under the same conditions to illustrate the concept.
Description: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Sponsor: The authors would like to thank the EPSRC and Opal-RT for their contribution to this project.
Version: Accepted for publication
DOI: 10.23919/EPE17ECCEEurope.2017.8098959
URI: https://dspace.lboro.ac.uk/2134/28160
Publisher Link: https://doi.org/10.23919/EPE17ECCEEurope.2017.8098959
ISBN: 9789075815276
ISSN: 2325-0313
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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