Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/156964
Title: Unbalanced active power distribution of cascaded multilevel converter-based battery energy storage systems
Authors: Liang, Gaowen
Farivar, Glen G.
Ceballos, Salvador
Tafti, Hossein Dehghani
Pou, Josep
Townsend, Christopher D.
Konstantinou, Georgios
Keywords: Engineering::Electrical and electronic engineering::Power electronics
Issue Date: 2021
Source: Liang, G., Farivar, G. G., Ceballos, S., Tafti, H. D., Pou, J., Townsend, C. D. & Konstantinou, G. (2021). Unbalanced active power distribution of cascaded multilevel converter-based battery energy storage systems. IEEE Transactions On Industrial Electronics. https://dx.doi.org/10.1109/TIE.2021.3137442
Journal: IEEE Transactions on Industrial Electronics
Abstract: In a battery energy storage system (BESS) based on the cascaded H-bridge (CHB) converter or modular multilevel converter (MMC), the active power distribution among the submodules (SMs) can be highly unbalanced, especially when batteries with different power ratings are used. Meanwhile, there are certain limits for the unbalanced power distribution among the SMs. It is a challenge to determine whether the active power distribution is viable for cascaded multilevel converters with unequal capacitor voltages because the complexity grows exponentially as the number of SMs increases. This paper proposes a generalized analytic solution to this problem, which reduces the complexity significantly and is readily applicable to converters with large number of SMs. The validity of this method is proved theoretically and verified with simulation and experimental results on both the MMC and CHB converter.
URI: https://hdl.handle.net/10356/156964
ISSN: 0278-0046
DOI: 10.1109/TIE.2021.3137442
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/TIE.2021.3137442.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
ERI@N Journal Articles

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