Real-Time Battery Cell Screening Algorithm to Estimate Available Maximum Charging/Discharging Current Considering Cell Deviation

Jeonghyun Bae, Hae Chan Han, Tae Won Noh, Byoung Kuk Lee

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

This paper proposes a real-time cell screening algorithm to estimate the available maximum charging/discharging current of battery pack which can make all battery cells operate within the allowable voltage range. The proposed algorithm excludes the cells whose terminal voltage is low enough not to exceed the allowable voltage range, and estimates the available maximum current with the low calculation burden. The feasibility of the proposed algorithm is theoretically explained and verified through the experiment based on the actual 36kWh battery pack for the electric vehicles.

Original languageEnglish
Title of host publicationAPEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1662-1667
Number of pages6
ISBN (Electronic)9781728148298
DOIs
StatePublished - Mar 2020
Externally publishedYes
Event35th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2020 - New Orleans, United States
Duration: 15 Mar 202019 Mar 2020

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
Volume2020-March

Conference

Conference35th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2020
Country/TerritoryUnited States
CityNew Orleans
Period15/03/2019/03/20

Keywords

  • battery cell deviations
  • battery management system (BMS)
  • maximum current

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