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Title: A comparison of the battery fault tolerance ability of modular multilevel converters with half-bridge and full-bridge submodules
Authors: Liang, Gaowen
Farivar, Glen G.
Yadav, Gorla Naga Brahmendra
Townsend, Christopher D.
Ceballos, Salvador
Tafti, Hossein Dehghani
Pou, Josep
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Source: Liang, G., Farivar, G. G., Yadav, G. N. B., Townsend, C. D., Ceballos, S., Tafti, H. D. & Pou, J. (2021). A comparison of the battery fault tolerance ability of modular multilevel converters with half-bridge and full-bridge submodules. 2021 IEEE Energy Conversion Congress and Exposition (ECCE), 153-159.
Abstract: The modular multilevel converter (MMC) is a promising option to integrate battery energy storage systems (BESSs) into the power system. Both half-bridge submodules (SMs) and full-bridge SMs can be used to implement an MMC. For MMC-based BESS, it is important to have sufficient battery fault tolerance, which means the system can operate normally even when some SMs have faulty batteries or no batteries. This paper analyzes and compares the battery fault tolerance of MMC-based BESSs with half-bridge and full-bridge SMs. According to the quantitative comparison, the MMC with full-bridge SMs has considerably higher tolerance to battery faults when the active power requirement is relatively high. Simulation and experimental results are provided for the verification of the proposed analysis.
DOI: 10.1109/ECCE47101.2021.9595122
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:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Conference Papers
ERI@N Conference Papers

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