Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters

This paper introduces an enhanced control strategy to mitigate DC bus double-frequency power oscillations in a building-integrated DC–AC hybrid microgrid composed of renewable energy sources, energy storage systems, and AC building dwelling loads. Integrating multiple single-phase inverters in a mic...

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Autores: Balen Rosset, Gleisson|||0000-0002-0637-8317, Blanco Charro, Cristian|||0000-0002-3970-051X, Navarro Rodríguez, Ángel|||0000-0002-9978-7960, García Fernández, Pablo|||0000-0001-9290-4514
Tipo de documento: artigo
Data de publicação:2025
País:España
Recursos:Universidad de Oviedo (UNIOVI)
Repositório:RUO. Repositorio Institucional de la Universidad de Oviedo
Idioma:inglês
OAI Identifier:oai:digibuo.uniovi.es:10651/82247
Acesso em linha:https://hdl.handle.net/10651/82247
https://dx.doi.org/10.1016/j.ijepes.2025.111443
Access Level:Acceso aberto
Palavra-chave:Hybrid building-integrated MG
DC bus power oscillation
Double-frequency
DC–AC single-phase inverter
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spelling Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase invertersBalen Rosset, Gleisson|||0000-0002-0637-8317Blanco Charro, Cristian|||0000-0002-3970-051XNavarro Rodríguez, Ángel|||0000-0002-9978-7960García Fernández, Pablo|||0000-0001-9290-4514Hybrid building-integrated MGDC bus power oscillationDouble-frequencyDC–AC single-phase inverterThis paper introduces an enhanced control strategy to mitigate DC bus double-frequency power oscillations in a building-integrated DC–AC hybrid microgrid composed of renewable energy sources, energy storage systems, and AC building dwelling loads. Integrating multiple single-phase inverters in a microgrid (MG) produces a double-frequency power oscillation at the DC side, adversely affecting power quality and system stability. To address this issue, an enhanced control strategy is proposed to optimize the voltage reference phase angles for each AC single-phase load inverter by considering factors like load power factor and apparent power. The proposed strategy uses established optimization techniques (i.e., Gradient Descent, Nelder–Mead) to dynamically adjust the voltage phase angles. A total of 10 techniques are evaluated for comparison to determine the most appropriate optimization technique for an increased number of connected inverters. The best technique resulting from the benchmarking is evaluated experimentally. The proposed control strategy increases the DC bus capacitor’s lifetime, reduces switching stress, and improves MG stability by mitigating the double-frequency power oscillation. The feasibility of the proposed method is validated through experimental implementation, considering a real-time lead controller, communications, and real load profiles, including hardware-in-the-loop and respective controllers. The proposed control achieves up to a 93% reduction in low-frequency DC bus power oscillations and also extends the capacitor lifetime 2.5 times.The present work has been partially supported by the Spanish Ministry of Economy and Competitiveness, funded by MCIN/AEI/10.1303 9/501100011033 under Grants MCINN-23-PID2022-139479OB-C22, MCINN-22-TED2021-129796B-C21, in part by the European Union NextGenerationEU/PRTR, and part by the Government of the Principality of Asturias under Grant SEK-25-GRU-GIC-24-085, IDE/202 4/000766.Elsevier20252025-01-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articlehttps://hdl.handle.net/10651/82247https://dx.doi.org/10.1016/j.ijepes.2025.111443reponame:RUO. Repositorio Institucional de la Universidad de Oviedoinstname:Universidad de Oviedo (UNIOVI)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:digibuo.uniovi.es:10651/822472026-06-07T06:38:51Z
dc.title.none.fl_str_mv Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters
title Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters
spellingShingle Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters
Balen Rosset, Gleisson|||0000-0002-0637-8317
Hybrid building-integrated MG
DC bus power oscillation
Double-frequency
DC–AC single-phase inverter
title_short Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters
title_full Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters
title_fullStr Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters
title_full_unstemmed Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters
title_sort Dynamic double-frequency power minimization in multi-converter hybrid DC–AC buildings with single-phase inverters
dc.creator.none.fl_str_mv Balen Rosset, Gleisson|||0000-0002-0637-8317
Blanco Charro, Cristian|||0000-0002-3970-051X
Navarro Rodríguez, Ángel|||0000-0002-9978-7960
García Fernández, Pablo|||0000-0001-9290-4514
author Balen Rosset, Gleisson|||0000-0002-0637-8317
author_facet Balen Rosset, Gleisson|||0000-0002-0637-8317
Blanco Charro, Cristian|||0000-0002-3970-051X
Navarro Rodríguez, Ángel|||0000-0002-9978-7960
García Fernández, Pablo|||0000-0001-9290-4514
author_role author
author2 Blanco Charro, Cristian|||0000-0002-3970-051X
Navarro Rodríguez, Ángel|||0000-0002-9978-7960
García Fernández, Pablo|||0000-0001-9290-4514
author2_role author
author
author
dc.subject.none.fl_str_mv Hybrid building-integrated MG
DC bus power oscillation
Double-frequency
DC–AC single-phase inverter
topic Hybrid building-integrated MG
DC bus power oscillation
Double-frequency
DC–AC single-phase inverter
description This paper introduces an enhanced control strategy to mitigate DC bus double-frequency power oscillations in a building-integrated DC–AC hybrid microgrid composed of renewable energy sources, energy storage systems, and AC building dwelling loads. Integrating multiple single-phase inverters in a microgrid (MG) produces a double-frequency power oscillation at the DC side, adversely affecting power quality and system stability. To address this issue, an enhanced control strategy is proposed to optimize the voltage reference phase angles for each AC single-phase load inverter by considering factors like load power factor and apparent power. The proposed strategy uses established optimization techniques (i.e., Gradient Descent, Nelder–Mead) to dynamically adjust the voltage phase angles. A total of 10 techniques are evaluated for comparison to determine the most appropriate optimization technique for an increased number of connected inverters. The best technique resulting from the benchmarking is evaluated experimentally. The proposed control strategy increases the DC bus capacitor’s lifetime, reduces switching stress, and improves MG stability by mitigating the double-frequency power oscillation. The feasibility of the proposed method is validated through experimental implementation, considering a real-time lead controller, communications, and real load profiles, including hardware-in-the-loop and respective controllers. The proposed control achieves up to a 93% reduction in low-frequency DC bus power oscillations and also extends the capacitor lifetime 2.5 times.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/10651/82247
https://dx.doi.org/10.1016/j.ijepes.2025.111443
url https://hdl.handle.net/10651/82247
https://dx.doi.org/10.1016/j.ijepes.2025.111443
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:RUO. Repositorio Institucional de la Universidad de Oviedo
instname:Universidad de Oviedo (UNIOVI)
instname_str Universidad de Oviedo (UNIOVI)
reponame_str RUO. Repositorio Institucional de la Universidad de Oviedo
collection RUO. Repositorio Institucional de la Universidad de Oviedo
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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