VSC control for AC/DC distribution grids

Current renewable energy sources (RES) connection to the distribution grids is generally performed using voltage source converters (VSCs). These devices are able to convert and control AC/DC power efficiently. They enable fast and precise control of voltage/frequency even in the event of disturbance...

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Detalles Bibliográficos
Autor: Khomenko, Maxim
Tipo de recurso: tesis de maestría
Fecha de publicación:2025
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/444460
Acceso en línea:https://hdl.handle.net/2117/444460
Access Level:acceso abierto
Palabra clave:Electric power distribution
Renewable energy sources
Electric current converters
Energia elèctrica -- Distribució
Energies renovables
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Enginyeria electrònica
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spelling VSC control for AC/DC distribution gridsKhomenko, MaximElectric power distributionRenewable energy sourcesElectric current convertersEnergia elèctrica -- DistribucióEnergies renovablesConvertidors de corrent elèctricÀrees temàtiques de la UPC::Enginyeria electrònicaCurrent renewable energy sources (RES) connection to the distribution grids is generally performed using voltage source converters (VSCs). These devices are able to convert and control AC/DC power efficiently. They enable fast and precise control of voltage/frequency even in the event of disturbances which appear in the grids. This work focuses on the two main VSCs control structures: Grid-following (GFL) and Grid-forming (GFM). The control approaches mentioned above are vital for the grid connection of the RES, meaning they areabletomaintainstableoperation. Thefirststageofworkcoversimplementationofboth controls on separate standalone models. For the GFL part we used conventional PLL control along with inner current loop. GFM control was based on P–f and Q–V droops. This way weacquire the necessary subsystems which lately will be implemented to the distribution grid system. The second stage consists of gathering the obtained models together with European Low Voltage distribution grid. Since in this system we use a transformer only for the grid equivalent to step down the voltage, the rest of the grid operates at the converter’s nominal voltage. As is typical for low-voltage distribution networks, the grid follows a radial structure, where power f lowis unidirectional- from source to loads. Asthe ACpart of the grid was operating as expected, we add the DC part by slightly adjusting theconfigurationoftheGrid-followingVSC.ItenablestotracktheDCvoltageandconsequently regulate the amount of power we want to flow through the DC part of the system.Universitat Politècnica de CatalunyaCheah Mañé, MarcDomínguez Hernández, Martí20252025-06-0120252025-10-23master thesishttp://purl.org/coar/resource_type/c_bdccNAhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43info:eu-repo/semantics/masterThesisapplication/pdfhttps://hdl.handle.net/2117/444460reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/4444602026-05-27T15:37:01Z
dc.title.none.fl_str_mv VSC control for AC/DC distribution grids
title VSC control for AC/DC distribution grids
spellingShingle VSC control for AC/DC distribution grids
Khomenko, Maxim
Electric power distribution
Renewable energy sources
Electric current converters
Energia elèctrica -- Distribució
Energies renovables
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Enginyeria electrònica
title_short VSC control for AC/DC distribution grids
title_full VSC control for AC/DC distribution grids
title_fullStr VSC control for AC/DC distribution grids
title_full_unstemmed VSC control for AC/DC distribution grids
title_sort VSC control for AC/DC distribution grids
dc.creator.none.fl_str_mv Khomenko, Maxim
author Khomenko, Maxim
author_facet Khomenko, Maxim
author_role author
dc.contributor.none.fl_str_mv Cheah Mañé, Marc
Domínguez Hernández, Martí
dc.subject.none.fl_str_mv Electric power distribution
Renewable energy sources
Electric current converters
Energia elèctrica -- Distribució
Energies renovables
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Enginyeria electrònica
topic Electric power distribution
Renewable energy sources
Electric current converters
Energia elèctrica -- Distribució
Energies renovables
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Enginyeria electrònica
description Current renewable energy sources (RES) connection to the distribution grids is generally performed using voltage source converters (VSCs). These devices are able to convert and control AC/DC power efficiently. They enable fast and precise control of voltage/frequency even in the event of disturbances which appear in the grids. This work focuses on the two main VSCs control structures: Grid-following (GFL) and Grid-forming (GFM). The control approaches mentioned above are vital for the grid connection of the RES, meaning they areabletomaintainstableoperation. Thefirststageofworkcoversimplementationofboth controls on separate standalone models. For the GFL part we used conventional PLL control along with inner current loop. GFM control was based on P–f and Q–V droops. This way weacquire the necessary subsystems which lately will be implemented to the distribution grid system. The second stage consists of gathering the obtained models together with European Low Voltage distribution grid. Since in this system we use a transformer only for the grid equivalent to step down the voltage, the rest of the grid operates at the converter’s nominal voltage. As is typical for low-voltage distribution networks, the grid follows a radial structure, where power f lowis unidirectional- from source to loads. Asthe ACpart of the grid was operating as expected, we add the DC part by slightly adjusting theconfigurationoftheGrid-followingVSC.ItenablestotracktheDCvoltageandconsequently regulate the amount of power we want to flow through the DC part of the system.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025-06-01
2025
2025-10-23
dc.type.none.fl_str_mv master thesis
http://purl.org/coar/resource_type/c_bdcc
NA
http://purl.org/coar/version/c_be7fb7dd8ff6fe43
dc.type.openaire.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/444460
url https://hdl.handle.net/2117/444460
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
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
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universitat Politècnica de Catalunya
publisher.none.fl_str_mv Universitat Politècnica de Catalunya
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.811543

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