Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/144587
Title: Analysis of the inter-submodule active power disparity limits of modular multilevel converter-based battery energy storage systems
Authors: Liang, Gaowen
Tafti, Hossein Dehghani
Farivar, Glen G.
Pou, Josep
Townsend, Christopher D.
Konstantinou, Georgios
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2020
Source: Liang, G., Tafti, H. D., Farivar, G. G., Pou, J., Townsend, C. D. & Konstantinou, G. (2020). Analysis of the inter-submodule active power disparity limits of modular multilevel converter-based battery energy storage systems. 2020 IEEE Energy Conversion Congress and Exposition (ECCE), 594-600. https://dx.doi.org/10.1109/ECCE44975.2020.9236261
Project: 595886219 
Abstract: In operation of the modular multilevel converter (MMC)-based battery energy storage system (BESS), different submodules (SMs) may be required to provide a different amount of active power, which is defined as inter-SM active power disparity in this paper. This happens in various conditions, for example, when some SMs have faulty batteries and thus, cannot process any active power. This paper proposes a general analysis of the inter-SM active power disparity limits of the modular multilevel converter-based battery energy storage systems. An analytical method is provided to derive the maximum/minimum power that any subset of SMs in one arm can provide. Based on the derived results, the active power limits of SMs are nonlinear with the number of SMs. Both simulation and experimental results are provided, which verify the proposed analysis and method. The proposed analysis facilitates the design and operation of the MMC-based BESSs.
URI: https://hdl.handle.net/10356/144587
DOI: 10.1109/ECCE44975.2020.9236261
Rights: © 2020 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/ECCE44975.2020.9236261
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Conference Papers

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