Prospective submodule topologies for MMC-BESS and its control analysis with HBSM

Ali, S., Bogarra, S., Khan, M. M., Taha, A. , Phyo, P. P. and Byun, Y.-C. (2023) Prospective submodule topologies for MMC-BESS and its control analysis with HBSM. Electronics, 12(1), 20. (doi: 10.3390/electronics12010020)

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Abstract

Battery energy storage systems and multilevel converters are the most essential constituents of modern medium voltage networks. In this regard, the modular multilevel converter offers numerous advantages over other multilevel converters. The key feature of modular multilevel converter is its capability to integrate small battery packs in a split manner, given the opportunity to submodules to operate at considerably low voltages. In this paper, we focus on study of potential SMs for modular multilevel converter based battery energy storage system while, keeping in view the inconsistency of secondary batteries. Although, selecting a submodule for modular multilevel converter based battery energy storage system, the state of charge control complexity is a key concern, which increases as the voltage levels increase. This study suggests that the half-bridge, clamped single, and full-bridge submodules are the most suitable submodules for modular multilevel converter based battery energy storage system since, they provide simplest state of charge control due to integration of one battery pack along with other advantages among all 24 submodule topologies. Depending on submodules analysis, the modular multilevel converter based battery energy storage system based on half-bridge submodules is investigated by splitting it into AC and DC equivalent circuits to acquire the AC and DC side power controls along with an state of charge control. Subsequently, to validate different control modes, a downscaled laboratory prototype has been developed.

Item Type:Articles
Additional Information:Funding: The research was financially supported by the Ministry of Small and Medium-sized Enterprises (SMEs) and Startups (MSS), Korea, under the “Regional Specialized Industry Development Plus Program (R&D, S3246057)” supervised by the Korea Institute for Advancement of Technology (KIAT). And, this work was also supported by the Korea Institute for Advancement of Technology (KIAT) grant funded by the Korea Government (MOTIE) (P0016977, The Establishment Project of Industry-University Fusion District).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Taha, Dr Ahmad
Creator Roles:
Taha, A.Conceptualization, Writing – review and editing
Authors: Ali, S., Bogarra, S., Khan, M. M., Taha, A., Phyo, P. P., and Byun, Y.-C.
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Journal Name:Electronics
Publisher:MDPI
ISSN:2079-9292
ISSN (Online):2079-9292
Published Online:21 December 2022
Copyright Holders:Copyright © 2022 by the authors.
First Published:First published in Electronics 12(1):20
Publisher Policy:Reproduced under a Creative Commons license

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