Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach

Due to high costs in facilities and devices, power systems usually works close to their stability limits. To address the stability problems, automatic voltage regulators (AVR) and power system stabilizers (PSS) have been employed successfully but limited to local phenomena with few contributions in...

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Autores:
Molina Cabrera, Alexander
Tipo de recurso:
Doctoral thesis
Fecha de publicación:
2018
Institución:
Universidad de los Andes
Repositorio:
Séneca: repositorio Uniandes
Idioma:
eng
OAI Identifier:
oai:repositorio.uniandes.edu.co:1992/38702
Acceso en línea:
http://hdl.handle.net/1992/38702
Palabra clave:
Transmisión de potencia - Investigaciones
Sistemas de energía eléctrica - Investigaciones
Ingeniería
Rights
openAccess
License
https://repositorio.uniandes.edu.co/static/pdf/aceptacion_uso_es.pdf
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network_name_str Séneca: repositorio Uniandes
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dc.title.es_CO.fl_str_mv Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach
title Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach
spellingShingle Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach
Transmisión de potencia - Investigaciones
Sistemas de energía eléctrica - Investigaciones
Ingeniería
title_short Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach
title_full Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach
title_fullStr Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach
title_full_unstemmed Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach
title_sort Inter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approach
dc.creator.fl_str_mv Molina Cabrera, Alexander
dc.contributor.advisor.none.fl_str_mv Ríos Mesías, Mario Alberto
Hadjsaid, Nouredine
dc.contributor.author.none.fl_str_mv Molina Cabrera, Alexander
dc.contributor.jury.none.fl_str_mv Bésanger, Yvon
Román Messina, Arturo
Ramos López, Gustavo Andrés
dc.subject.keyword.es_CO.fl_str_mv Transmisión de potencia - Investigaciones
Sistemas de energía eléctrica - Investigaciones
topic Transmisión de potencia - Investigaciones
Sistemas de energía eléctrica - Investigaciones
Ingeniería
dc.subject.themes.none.fl_str_mv Ingeniería
description Due to high costs in facilities and devices, power systems usually works close to their stability limits. To address the stability problems, automatic voltage regulators (AVR) and power system stabilizers (PSS) have been employed successfully but limited to local phenomena with few contributions in global dynamics in power systems. Then, the raise of wide area monitoring systems (WAMS) emerges as the path for the improvement of global dynamics (inter-area oscillations) performance using remote feedback controller. Hence, a new challenge emerges: maintain stability in a closed loop control with time delays inherent to WAMS: time delays in communications from measurements to the control centre, and extra delays from the control centre to actuators. The research was motivated by the need for modernization of power systems capable of dealing with such control difficulties in centralised WAMS for damping inter-area oscillations in power systems. The general idea of the approach is to splitting the time-delay power system control problem in two parts: the time compensation and the control of nonlinear power system. The control problem is solved by a model predictive control (MPC) with terminal cost and constraint set to handle complexities due to: nonlinearities of the power system, the large scale nature of the problem, uncertainties and multiple dynamic feature. The compensation is made by a database based time compensation solution relying on the most updated available state of the system, and the nature of solution provided by the MPC for the forward delay. The approach works in a superior hierarchic level, hence creating a decentralised coordinated strategy that manages slow global dynamics and fast local dynamics as well avoiding bad interactions between different dynamics. The integrated proposed approach is called General Network Latencies Tolerant Model Predictive Control (GNLT-MPC). The approach has been successfully tested in nonlinear time simulations
publishDate 2018
dc.date.issued.none.fl_str_mv 2018
dc.date.accessioned.none.fl_str_mv 2020-06-10T14:28:21Z
dc.date.available.none.fl_str_mv 2020-06-10T14:28:21Z
dc.type.spa.fl_str_mv Trabajo de grado - Doctorado
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dc.identifier.doi.none.fl_str_mv 10.57784/1992/38702
dc.identifier.pdf.none.fl_str_mv u808043.pdf
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spelling Al consultar y hacer uso de este recurso, está aceptando las condiciones de uso establecidas por los autores.https://repositorio.uniandes.edu.co/static/pdf/aceptacion_uso_es.pdfinfo:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Ríos Mesías, Mario Alberto8666a1d1-4647-43c1-be53-603a4add6115400Hadjsaid, Nouredine1614a960-85b5-4cb1-b2bd-e74861521c31500Molina Cabrera, Alexander11326500Bésanger, YvonRomán Messina, ArturoRamos López, Gustavo Andrés2020-06-10T14:28:21Z2020-06-10T14:28:21Z2018http://hdl.handle.net/1992/3870210.57784/1992/38702u808043.pdfinstname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/Due to high costs in facilities and devices, power systems usually works close to their stability limits. To address the stability problems, automatic voltage regulators (AVR) and power system stabilizers (PSS) have been employed successfully but limited to local phenomena with few contributions in global dynamics in power systems. Then, the raise of wide area monitoring systems (WAMS) emerges as the path for the improvement of global dynamics (inter-area oscillations) performance using remote feedback controller. Hence, a new challenge emerges: maintain stability in a closed loop control with time delays inherent to WAMS: time delays in communications from measurements to the control centre, and extra delays from the control centre to actuators. The research was motivated by the need for modernization of power systems capable of dealing with such control difficulties in centralised WAMS for damping inter-area oscillations in power systems. The general idea of the approach is to splitting the time-delay power system control problem in two parts: the time compensation and the control of nonlinear power system. The control problem is solved by a model predictive control (MPC) with terminal cost and constraint set to handle complexities due to: nonlinearities of the power system, the large scale nature of the problem, uncertainties and multiple dynamic feature. The compensation is made by a database based time compensation solution relying on the most updated available state of the system, and the nature of solution provided by the MPC for the forward delay. The approach works in a superior hierarchic level, hence creating a decentralised coordinated strategy that manages slow global dynamics and fast local dynamics as well avoiding bad interactions between different dynamics. The integrated proposed approach is called General Network Latencies Tolerant Model Predictive Control (GNLT-MPC). The approach has been successfully tested in nonlinear time simulationsLos sistemas modernos hoy día trabajan muy cerca de sus límites de estabilidad. Para enfrentar aquellos problemas de estabilidad se han usado de forma clásica AVR y PSS, éstos han ofrecido resultados satisfactorios pero limitados al fenonemo local de oscilaciones. Posteriormente, el advenimiento de los esquemas WAMS surgen como la plataforma para el mejoramiento de la dinámica global gracias al uso de señales remotas. Así, un nuevo reto emerge: mantener la estabilidad en el lazo cerrado con retardos inherentes al sistema WAMS, estos retardos son los existentes en el sistema de comunicaciones desde los elementos monitoreados hasta el centro de control y desde el centro de control a los actuadores. La investigación fue motivada por la necesidad de la modernización de los sistemas de potencia para hacerlos capaces de enfrentar dificultades en WAMPACs centralizados para propósitos de amortiguación de oscilaciones inter-area. La idea general es dividir el problema del sistema de potencia con retardos en dos partes: por un lado, el problema de compensación de retardo y por otro lado el control no lineal del sistema de potencia. El problema de control es resuelto mediante el uso de Model Predictive Control. La compensación de tiempo es hecha mediante una solución de compensación basada en base de datos que recae en el concepto del estado más actualizado disponible del sistema. La propuesta trabaja en un nivel de jerarquía superior que crea de ésta forma una estrategia decentralizada coordinada que maneja la dinámica lenta global conjuntamente con las dinámicas rápidas locales evitando inadecuadas interacciones entre ellas. La propuesta general puede recibir el nombre de General Network Latencies Tolerant Model Predictive Control (GNLT-MPC) y fue puesta a prueba con resultados satisfactorios en simulaciones de tiempo no linealesDoctor en IngenieríaDoctorado170 hojasapplication/pdfengUniandesDoctorado en IngenieríaFacultad de Ingenieríainstname:Universidad de los Andesreponame:Repositorio Institucional SénecaInter-area oscillations in time delayed power systems :a kalman time compensator and a model predictive control approachTrabajo de grado - Doctoradoinfo:eu-repo/semantics/doctoralThesishttp://purl.org/coar/resource_type/c_db06http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/TDTransmisión de potencia - InvestigacionesSistemas de energía eléctrica - InvestigacionesIngenieríaPublicationTHUMBNAILu808043.pdf.jpgu808043.pdf.jpgIM Thumbnailimage/jpeg13374https://repositorio.uniandes.edu.co/bitstreams/46f6789e-b752-4727-bd6d-ccd64d843615/download36e610e00c34e77b572afb4083a4d4f7MD55TEXTu808043.pdf.txtu808043.pdf.txtExtracted texttext/plain237271https://repositorio.uniandes.edu.co/bitstreams/ef202b30-0872-485c-9b6b-6dbba4992497/download30161c3cd33d26998b66e4bb15671b23MD54ORIGINALu808043.pdfapplication/pdf4185247https://repositorio.uniandes.edu.co/bitstreams/e4f20f6f-30f2-4a81-9f6c-a3a623c7038b/download7691e43b7fa664379308375acc2bd44eMD511992/38702oai:repositorio.uniandes.edu.co:1992/387022024-08-26 15:23:55.199https://repositorio.uniandes.edu.co/static/pdf/aceptacion_uso_es.pdfopen.accesshttps://repositorio.uniandes.edu.coRepositorio institucional Sénecaadminrepositorio@uniandes.edu.co