The University of Southampton
University of Southampton Institutional Repository
Warning ePrints Soton is experiencing an issue with some file downloads not being available. We are working hard to fix this. Please bear with us.

Design and experimental verification of voltage measurement circuits based on linear optocouplers with galvanic isolation for battery management systems

Design and experimental verification of voltage measurement circuits based on linear optocouplers with galvanic isolation for battery management systems
Design and experimental verification of voltage measurement circuits based on linear optocouplers with galvanic isolation for battery management systems
A battery management system (BMS) design, based on linear optocouplers for Lithium-ion battery cells for automotive and stationary applications is proposed. The critical parts of a BMS are the input voltages and currents measurement circuits. In this design, they include linear optocouplers for galvanic isolation between the battery pack and the BMS. Optocouplers based on AlGaAs light emitted diodes (LED) and PIN photodiode with external operational amplifiers are used. The design features linear characteristics, to ensure the accuracy of the measurements. The suggested approach is based on graphical data digitalizing, which gives the precise values for the most sensitive parameters: photocurrent, normalized and transferred servo gain and helps the calculation procedure to be automated with MATLAB scripts. Several mathematical methods in the analysis are used in order for the necessary equations to be derived. The results are experimentally verified with prototypes.
1-19
Dimitrov, Borislav
7731fbe8-bd2b-4dd1-8594-75beb831826a
Collier, Gordana
1a9eeacf-b6d7-48ef-9aeb-b45b64239488
Cruden, Andrew
ed709997-4402-49a7-9ad5-f4f3c62d29ab
Dimitrov, Borislav
7731fbe8-bd2b-4dd1-8594-75beb831826a
Collier, Gordana
1a9eeacf-b6d7-48ef-9aeb-b45b64239488
Cruden, Andrew
ed709997-4402-49a7-9ad5-f4f3c62d29ab

Dimitrov, Borislav, Collier, Gordana and Cruden, Andrew (2019) Design and experimental verification of voltage measurement circuits based on linear optocouplers with galvanic isolation for battery management systems. Power Electronics Subsystems, 10 (4), 1-19, [59]. (doi:10.3390/wevj10040059).

Record type: Article

Abstract

A battery management system (BMS) design, based on linear optocouplers for Lithium-ion battery cells for automotive and stationary applications is proposed. The critical parts of a BMS are the input voltages and currents measurement circuits. In this design, they include linear optocouplers for galvanic isolation between the battery pack and the BMS. Optocouplers based on AlGaAs light emitted diodes (LED) and PIN photodiode with external operational amplifiers are used. The design features linear characteristics, to ensure the accuracy of the measurements. The suggested approach is based on graphical data digitalizing, which gives the precise values for the most sensitive parameters: photocurrent, normalized and transferred servo gain and helps the calculation procedure to be automated with MATLAB scripts. Several mathematical methods in the analysis are used in order for the necessary equations to be derived. The results are experimentally verified with prototypes.

Text
wevj-10-00059 - Version of Record
Available under License Creative Commons Attribution.
Download (2MB)

More information

Accepted/In Press date: 18 September 2019
e-pub ahead of print date: 23 September 2019
Published date: 2019

Identifiers

Local EPrints ID: 436697
URI: http://eprints.soton.ac.uk/id/eprint/436697
PURE UUID: 3bf1b199-3bfb-46f9-8757-af5faf4020c9
ORCID for Andrew Cruden: ORCID iD orcid.org/0000-0003-3236-2535

Catalogue record

Date deposited: 20 Dec 2019 18:31
Last modified: 22 Nov 2021 03:03

Export record

Altmetrics

Contributors

Author: Borislav Dimitrov
Author: Gordana Collier
Author: Andrew Cruden ORCID iD

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×