State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment

Photovoltaic (PV) power systems are increasingly being used as renewable power generation sources. Quasi-Z-source inverters (qZSI) are a recent, high-potential technology that can be used to integrate PV power systems into AC networks. Simultaneously, concerns regarding the stability of PV power sys...

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Autores: Monjo Mur, Lluís|||0000-0001-6106-097X, Sainz Sapera, Luis|||0000-0002-5670-0669, Mesas García, Juan José|||0000-0002-4014-4258, Pedra Durán, Joaquim|||0000-0003-2890-8160
Formato: artículo
Fecha de publicación:2021
País:España
Recursos:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/359827
Acesso em linha:https://hdl.handle.net/2117/359827
https://dx.doi.org/10.3390/en14144150
Access Level:acceso abierto
Palavra-chave:Photovoltaic power systems
Electric current converters
PV systems
Quasi-Z-source inverter
Stability
Instal·lacions fotovoltaiques
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Energies
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oai_identifier_str oai:upcommons.upc.edu:2117/359827
network_acronym_str ES
network_name_str España
repository_id_str
spelling State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessmentMonjo Mur, Lluís|||0000-0001-6106-097XSainz Sapera, Luis|||0000-0002-5670-0669Mesas García, Juan José|||0000-0002-4014-4258Pedra Durán, Joaquim|||0000-0003-2890-8160Photovoltaic power systemsElectric current convertersPV systemsQuasi-Z-source inverterStabilityInstal·lacions fotovoltaiquesConvertidors de corrent elèctricÀrees temàtiques de la UPC::EnergiesPhotovoltaic (PV) power systems are increasingly being used as renewable power generation sources. Quasi-Z-source inverters (qZSI) are a recent, high-potential technology that can be used to integrate PV power systems into AC networks. Simultaneously, concerns regarding the stability of PV power systems are increasing. Converters reduce the damping of grid-connected converter systems, leading to instability. Several studies have analyzed the stability and dynamics of qZSI, although the characterization of qZSI-PV system dynamics in order to study transient interactions and stability has not yet been properly completed. This paper contributes a small-signal, state-space-averaged model of qZSI-PV systems in order to study these issues. The model is also applied to investigate the stability of PV power systems by analyzing the influence of system parameters. Moreover, solutions to mitigate the instabilities are proposed and the stability is verified using PSCAD time domain simulations.Peer Reviewed20212021-07-0920222022-01-17journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/359827https://dx.doi.org/10.3390/en14144150reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)InglésengAgencia Estatal de Investigación http://doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020 RTI2018-095720-B-C33 ESTABILIDAD DE REDES MVDC INTEGRANDO TECNOLOGIAS DE ENERGIAS RENOVABLES, ALMACENAMIENTO DE ENERGIA Y CONVERTIDORES DE FUENTE DE IMPEDANCIAopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/3598272026-05-27T15:37:01Z
dc.title.none.fl_str_mv State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
title State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
spellingShingle State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
Monjo Mur, Lluís|||0000-0001-6106-097X
Photovoltaic power systems
Electric current converters
PV systems
Quasi-Z-source inverter
Stability
Instal·lacions fotovoltaiques
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Energies
title_short State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
title_full State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
title_fullStr State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
title_full_unstemmed State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
title_sort State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
dc.creator.none.fl_str_mv Monjo Mur, Lluís|||0000-0001-6106-097X
Sainz Sapera, Luis|||0000-0002-5670-0669
Mesas García, Juan José|||0000-0002-4014-4258
Pedra Durán, Joaquim|||0000-0003-2890-8160
author Monjo Mur, Lluís|||0000-0001-6106-097X
author_facet Monjo Mur, Lluís|||0000-0001-6106-097X
Sainz Sapera, Luis|||0000-0002-5670-0669
Mesas García, Juan José|||0000-0002-4014-4258
Pedra Durán, Joaquim|||0000-0003-2890-8160
author_role author
author2 Sainz Sapera, Luis|||0000-0002-5670-0669
Mesas García, Juan José|||0000-0002-4014-4258
Pedra Durán, Joaquim|||0000-0003-2890-8160
author2_role author
author
author
dc.subject.none.fl_str_mv Photovoltaic power systems
Electric current converters
PV systems
Quasi-Z-source inverter
Stability
Instal·lacions fotovoltaiques
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Energies
topic Photovoltaic power systems
Electric current converters
PV systems
Quasi-Z-source inverter
Stability
Instal·lacions fotovoltaiques
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Energies
description Photovoltaic (PV) power systems are increasingly being used as renewable power generation sources. Quasi-Z-source inverters (qZSI) are a recent, high-potential technology that can be used to integrate PV power systems into AC networks. Simultaneously, concerns regarding the stability of PV power systems are increasing. Converters reduce the damping of grid-connected converter systems, leading to instability. Several studies have analyzed the stability and dynamics of qZSI, although the characterization of qZSI-PV system dynamics in order to study transient interactions and stability has not yet been properly completed. This paper contributes a small-signal, state-space-averaged model of qZSI-PV systems in order to study these issues. The model is also applied to investigate the stability of PV power systems by analyzing the influence of system parameters. Moreover, solutions to mitigate the instabilities are proposed and the stability is verified using PSCAD time domain simulations.
publishDate 2021
dc.date.none.fl_str_mv 2021
2021-07-09
2022
2022-01-17
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/2117/359827
https://dx.doi.org/10.3390/en14144150
url https://hdl.handle.net/2117/359827
https://dx.doi.org/10.3390/en14144150
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Agencia Estatal de Investigación http://doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020 RTI2018-095720-B-C33 ESTABILIDAD DE REDES MVDC INTEGRANDO TECNOLOGIAS DE ENERGIAS RENOVABLES, ALMACENAMIENTO DE ENERGIA Y CONVERTIDORES DE FUENTE DE IMPEDANCIA
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/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 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
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
_version_ 1869414799522136064
score 15,301603

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