Multiterminal HVDC System with Power Quality Enhancement

High-Voltage Direct Current (HVDC) systems are a feasible solution that allows the transmission of energy between several power networks. As a consequence of the use of HVDC systems, renewable energy sources can be integrated more easily into distribution grids and smart grids. Furthermore, HVDC sys...

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Autores: López Alcolea, Francisco Javier, Molina Martínez, Emilio José, García Torres, Félix, Roncero Sánchez-Elipe, Pedro Luis, Parreño Torres, Alfonso, Vázquez del Real, Javier
Tipo de recurso: artículo
Fecha de publicación:2021
País:España
Institución:Universidad de Castilla-La Mancha
Repositorio:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/40495
Acceso en línea:https://hdl.handle.net/10578/40495
Access Level:acceso abierto
Palabra clave:Multilevel voltage-source converte
Multiterminal HVDC system
Power quality
Resonant controller
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spelling Multiterminal HVDC System with Power Quality EnhancementLópez Alcolea, Francisco JavierMolina Martínez, Emilio JoséGarcía Torres, FélixRoncero Sánchez-Elipe, Pedro LuisParreño Torres, AlfonsoVázquez del Real, JavierMultilevel voltage-source converteMultiterminal HVDC systemPower qualityResonant controllerHigh-Voltage Direct Current (HVDC) systems are a feasible solution that allows the transmission of energy between several power networks. As a consequence of the use of HVDC systems, renewable energy sources can be integrated more easily into distribution grids and smart grids. Furthermore, HVDC systems can contribute to improving the power quality (PQ) of the grids to which they are connected. This paper presents a multiterminal HVDC system that not only controls the flows of active power between four different networks, but also compensates imbalances and harmonics in the grid currents to maintain balanced and sinusoidal voltages at the point of common coupling of the various grids. The compensation is carried out by the voltage-source converters (VSCs) connected to their respective AC grids. A control scheme based on the use of resonant regulators and proportional–integral (PI) controllers is responsible for of achieving the necessary power flow control with the amelioration of the PQ. A case study of a multiterminal HVDC system that comprises four terminals sharing a DC bus of 80 kV is simulated by means of PSCADTM/EMTDCTM (Power System Computer-Aided Design; Electromagnetic Transients including Direct Current), where the AC grids associated with the terminals suffer from voltage imbalances and voltage harmonics owing to the connection of unbalanced loads and nonlinear loads. The obtained simulation results show the performance of the complete system in terms of active power flow, voltage regulation, and harmonic distortions of the grid current and the grid voltage.MDPI202520252021info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttps://hdl.handle.net/10578/40495reponame:RUIdeRA. Repositorio Institucional de la UCLMinstname:Universidad de Castilla-La ManchaInglésSUDOE SOE3/P3/E0901info:eu-repo/semantics/openAccessoai:ruidera.uclm.es:10578/404952026-05-27T07:36:41Z
dc.title.none.fl_str_mv Multiterminal HVDC System with Power Quality Enhancement
title Multiterminal HVDC System with Power Quality Enhancement
spellingShingle Multiterminal HVDC System with Power Quality Enhancement
López Alcolea, Francisco Javier
Multilevel voltage-source converte
Multiterminal HVDC system
Power quality
Resonant controller
title_short Multiterminal HVDC System with Power Quality Enhancement
title_full Multiterminal HVDC System with Power Quality Enhancement
title_fullStr Multiterminal HVDC System with Power Quality Enhancement
title_full_unstemmed Multiterminal HVDC System with Power Quality Enhancement
title_sort Multiterminal HVDC System with Power Quality Enhancement
dc.creator.none.fl_str_mv López Alcolea, Francisco Javier
Molina Martínez, Emilio José
García Torres, Félix
Roncero Sánchez-Elipe, Pedro Luis
Parreño Torres, Alfonso
Vázquez del Real, Javier
author López Alcolea, Francisco Javier
author_facet López Alcolea, Francisco Javier
Molina Martínez, Emilio José
García Torres, Félix
Roncero Sánchez-Elipe, Pedro Luis
Parreño Torres, Alfonso
Vázquez del Real, Javier
author_role author
author2 Molina Martínez, Emilio José
García Torres, Félix
Roncero Sánchez-Elipe, Pedro Luis
Parreño Torres, Alfonso
Vázquez del Real, Javier
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Multilevel voltage-source converte
Multiterminal HVDC system
Power quality
Resonant controller
topic Multilevel voltage-source converte
Multiterminal HVDC system
Power quality
Resonant controller
description High-Voltage Direct Current (HVDC) systems are a feasible solution that allows the transmission of energy between several power networks. As a consequence of the use of HVDC systems, renewable energy sources can be integrated more easily into distribution grids and smart grids. Furthermore, HVDC systems can contribute to improving the power quality (PQ) of the grids to which they are connected. This paper presents a multiterminal HVDC system that not only controls the flows of active power between four different networks, but also compensates imbalances and harmonics in the grid currents to maintain balanced and sinusoidal voltages at the point of common coupling of the various grids. The compensation is carried out by the voltage-source converters (VSCs) connected to their respective AC grids. A control scheme based on the use of resonant regulators and proportional–integral (PI) controllers is responsible for of achieving the necessary power flow control with the amelioration of the PQ. A case study of a multiterminal HVDC system that comprises four terminals sharing a DC bus of 80 kV is simulated by means of PSCADTM/EMTDCTM (Power System Computer-Aided Design; Electromagnetic Transients including Direct Current), where the AC grids associated with the terminals suffer from voltage imbalances and voltage harmonics owing to the connection of unbalanced loads and nonlinear loads. The obtained simulation results show the performance of the complete system in terms of active power flow, voltage regulation, and harmonic distortions of the grid current and the grid voltage.
publishDate 2021
dc.date.none.fl_str_mv 2021
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/10578/40495
url https://hdl.handle.net/10578/40495
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv SUDOE SOE3/P3/E0901
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv reponame:RUIdeRA. Repositorio Institucional de la UCLM
instname:Universidad de Castilla-La Mancha
instname_str Universidad de Castilla-La Mancha
reponame_str RUIdeRA. Repositorio Institucional de la UCLM
collection RUIdeRA. Repositorio Institucional de la UCLM
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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