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|Title:||A constrained inter-submodule state-of-charge balancing method for battery energy storage systems based on the cascaded H-bridge converter||Authors:||Liang, Gaowen
Farivar, Glen G.
Townsend, Christopher D.
Gorla, Naga Brahmendra Yadav
|Keywords:||Engineering::Electrical and electronic engineering::Power electronics||Issue Date:||2022||Source:||Liang, G., Rodriguez, E., Farivar, G. G., Ceballos, S., Townsend, C. D., Gorla, N. B. Y. & Pou, J. (2022). A constrained inter-submodule state-of-charge balancing method for battery energy storage systems based on the cascaded H-bridge converter. IEEE Transactions On Power Electronics. https://dx.doi.org/10.1109/TPEL.2022.3170062||Journal:||IEEE Transactions on Power Electronics||Abstract:||In the operation of battery energy storage systems (BESSs) based on the cascaded H-bridge (CHB) converters, it is desirable to balance the state of charge (SoC) among the submodules (SMs) within each phase arm. However, there are constraints on the active power distribution among the SMs that intends to balance the SoC. For instance, each SM in a practical system is designed with a specific power rating and can be damaged if it is exceeded. Therefore, a novel rule-based method is proposed in this paper to achieve a fast SoC balancing while respecting the power constraints of the SMs. The proposed method is general and readily applicable to hybrid BESSs, where the SMs are integrated with heterogeneous energy storage. Experimental results are obtained to verify the effectiveness of the proposed algorithm and to compare its performance with respect to existing methods.||URI:||https://hdl.handle.net/10356/156963||ISSN:||0885-8993||DOI:||10.1109/TPEL.2022.3170062||Schools:||School of Electrical and Electronic Engineering||Research Centres:||Energy Research Institute @ NTU (ERI@N)||Rights:||© 2021 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. The published version is available at: https://doi.org/10.1109/TPEL.2022.3170062.||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
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