Design and Implementation of a Modular Multilevel Series-Parallel Converter for Second-Life Battery Energy Storage Systems

Esteban Concha; Ricardo Lizana F; Sebastian Rivera; Abraham M. Alcaide

doi:10.3390/electronics13224409

Design and Implementation of a Modular Multilevel Series-Parallel Converter for Second-Life Battery Energy Storage Systems

Esteban Concha, Ricardo Lizana F^*, Sebastian Rivera, Abraham M. Alcaide

^*Autor correspondiente de este trabajo

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Resumen

Battery Energy Storage Systems (BESS) offer scalable energy storage solutions, especially valuable for remote, off-grid applications. However, traditional battery packs with fixed series-parallel configurations lack reconfigurability and are limited by the weakest cell, hindering their application for second-life batteries. The Modular Multilevel Series-Parallel Converter (MMSPC) addresses these limitations by enabling dynamic reconfiguration, optimizing cell balancing, and enhancing energy control. This paper experimentally evaluates a single-phase BESS based on the MMSPC with an output power equivalent to 2 kW and two battery units (155V), demonstrating stable output and reduced internal losses across varied battery parameters.

Idioma original	Inglés
Número de artículo	4409
Publicación	Electronics (Switzerland)
Volumen	13
N.º	22
DOI	https://doi.org/10.3390/electronics13224409
Estado	Publicada - nov. 2024
Publicado de forma externa	Sí

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title = "Design and Implementation of a Modular Multilevel Series-Parallel Converter for Second-Life Battery Energy Storage Systems",

abstract = "Battery Energy Storage Systems (BESS) offer scalable energy storage solutions, especially valuable for remote, off-grid applications. However, traditional battery packs with fixed series-parallel configurations lack reconfigurability and are limited by the weakest cell, hindering their application for second-life batteries. The Modular Multilevel Series-Parallel Converter (MMSPC) addresses these limitations by enabling dynamic reconfiguration, optimizing cell balancing, and enhancing energy control. This paper experimentally evaluates a single-phase BESS based on the MMSPC with an output power equivalent to 2 kW and two battery units (155V), demonstrating stable output and reduced internal losses across varied battery parameters.",

keywords = "energy storage, MMSPC, second-life batteries",

author = "Esteban Concha and {Lizana F}, Ricardo and Sebastian Rivera and Alcaide, {Abraham M.}",

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doi = "10.3390/electronics13224409",

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journal = "Electronics (Switzerland)",

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T1 - Design and Implementation of a Modular Multilevel Series-Parallel Converter for Second-Life Battery Energy Storage Systems

AU - Concha, Esteban

AU - Lizana F, Ricardo

AU - Rivera, Sebastian

AU - Alcaide, Abraham M.

PY - 2024/11

Y1 - 2024/11

N2 - Battery Energy Storage Systems (BESS) offer scalable energy storage solutions, especially valuable for remote, off-grid applications. However, traditional battery packs with fixed series-parallel configurations lack reconfigurability and are limited by the weakest cell, hindering their application for second-life batteries. The Modular Multilevel Series-Parallel Converter (MMSPC) addresses these limitations by enabling dynamic reconfiguration, optimizing cell balancing, and enhancing energy control. This paper experimentally evaluates a single-phase BESS based on the MMSPC with an output power equivalent to 2 kW and two battery units (155V), demonstrating stable output and reduced internal losses across varied battery parameters.

AB - Battery Energy Storage Systems (BESS) offer scalable energy storage solutions, especially valuable for remote, off-grid applications. However, traditional battery packs with fixed series-parallel configurations lack reconfigurability and are limited by the weakest cell, hindering their application for second-life batteries. The Modular Multilevel Series-Parallel Converter (MMSPC) addresses these limitations by enabling dynamic reconfiguration, optimizing cell balancing, and enhancing energy control. This paper experimentally evaluates a single-phase BESS based on the MMSPC with an output power equivalent to 2 kW and two battery units (155V), demonstrating stable output and reduced internal losses across varied battery parameters.

KW - energy storage

KW - MMSPC

KW - second-life batteries

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DO - 10.3390/electronics13224409

M3 - Article

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SN - 2079-9292

VL - 13

JO - Electronics (Switzerland)

JF - Electronics (Switzerland)

IS - 22

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ER -

Design and Implementation of a Modular Multilevel Series-Parallel Converter for Second-Life Battery Energy Storage Systems

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