Ahmed M. Fares
Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs
Fares, Ahmed M.; Klumpner, Christian; Sumner, Mark
Authors
Dr CHRISTIAN KLUMPNER CHRISTIAN.KLUMPNER@NOTTINGHAM.AC.UK
Associate Professor
MARK SUMNER MARK.SUMNER@NOTTINGHAM.AC.UK
Professor of Electrical Energy Systems
Abstract
The overall performance of battery packs may be affected by imbalances between the series connected cells which is more likely in packs with high number of cells needed to provide a high voltage as needed for example in electric vehicles. In this case, the overall capacity and power capability of the pack are limited by the weakest cell in the stack which results in incomplete utilisation of the pack's capabilities. In traditional centralised battery systems (TCBS), this is addressed by implementing cell active/passive balancing circuitry/techniques which restore some of the pack's energy capability. This paper proposes the use of cascaded modular battery systems (CMBS) to remove the need for extra balancing circuitry and maximises the performance and reliability of a battery system containing unequal matched/aged cells. The analysis is assessing the CMBS overall system efficiency, reliability and weight compared to the TCBS for a design of a 300 V/3.6 kW battery system as a case study.
Citation
Fares, A. M., Klumpner, C., & Sumner, M. (2019). Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs. Journal of Engineering, 2019(17), 3862-3866. https://doi.org/10.1049/joe.2018.8228
| Journal Article Type | Article |
|---|---|
| Acceptance Date | Jul 30, 2018 |
| Online Publication Date | Jan 22, 2019 |
| Publication Date | Jun 1, 2019 |
| Deposit Date | Jul 15, 2019 |
| Publicly Available Date | Jul 15, 2019 |
| Journal | The Journal of Engineering |
| Print ISSN | 2051-3305 |
| Electronic ISSN | 2051-3305 |
| Publisher | Institution of Engineering and Technology (IET) |
| Peer Reviewed | Peer Reviewed |
| Volume | 2019 |
| Issue | 17 |
| Pages | 3862-3866 |
| DOI | https://doi.org/10.1049/joe.2018.8228 |
| Public URL | https://nottingham-repository.worktribe.com/output/2308670 |
| Publisher URL | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8228 |
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Optimising the structure
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Publisher Licence URL
https://creativecommons.org/licenses/by/3.0/
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