Comparison of maintenance scheme effects on power transformer reliability performance

Power transformer failures have a significant impact on electrical systems reliability, as they compromise the electricity delivery. Failures impact the operational cost of electric utilities as they endanger the accomplishment of power commitments. Power transformer failure rate can be modeled from...

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Autores:
Duran Tovar, Ivan Camilo
Rosero Zuñiga, Laura Sofia
Pavas Martínez, Andrés
Duarte Velasco, Oscar Germán
Tipo de recurso:
Article of journal
Fecha de publicación:
2015
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
OAI Identifier:
oai:repositorio.unal.edu.co:unal/67652
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/67652
http://bdigital.unal.edu.co/68681/
Palabra clave:
62 Ingeniería y operaciones afines / Engineering
Power transformer
failure rate
maintenance
health index
reliability improvement
asset management
Transformador de potencia
tasa de fallas
mantenimiento
índices de salud
mejoramiento de la confiabilidad
gestión de activos.
Rights
openAccess
License
Atribución-NoComercial 4.0 Internacional
id UNACIONAL2_5c3fdf8683b5cdcc9466e87ed6bd09f3
oai_identifier_str oai:repositorio.unal.edu.co:unal/67652
network_acronym_str UNACIONAL2
network_name_str Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv Comparison of maintenance scheme effects on power transformer reliability performance
title Comparison of maintenance scheme effects on power transformer reliability performance
spellingShingle Comparison of maintenance scheme effects on power transformer reliability performance
62 Ingeniería y operaciones afines / Engineering
Power transformer
failure rate
maintenance
health index
reliability improvement
asset management
Transformador de potencia
tasa de fallas
mantenimiento
índices de salud
mejoramiento de la confiabilidad
gestión de activos.
title_short Comparison of maintenance scheme effects on power transformer reliability performance
title_full Comparison of maintenance scheme effects on power transformer reliability performance
title_fullStr Comparison of maintenance scheme effects on power transformer reliability performance
title_full_unstemmed Comparison of maintenance scheme effects on power transformer reliability performance
title_sort Comparison of maintenance scheme effects on power transformer reliability performance
dc.creator.fl_str_mv Duran Tovar, Ivan Camilo
Rosero Zuñiga, Laura Sofia
Pavas Martínez, Andrés
Duarte Velasco, Oscar Germán
dc.contributor.author.spa.fl_str_mv Duran Tovar, Ivan Camilo
Rosero Zuñiga, Laura Sofia
Pavas Martínez, Andrés
Duarte Velasco, Oscar Germán
dc.subject.ddc.spa.fl_str_mv 62 Ingeniería y operaciones afines / Engineering
topic 62 Ingeniería y operaciones afines / Engineering
Power transformer
failure rate
maintenance
health index
reliability improvement
asset management
Transformador de potencia
tasa de fallas
mantenimiento
índices de salud
mejoramiento de la confiabilidad
gestión de activos.
dc.subject.proposal.spa.fl_str_mv Power transformer
failure rate
maintenance
health index
reliability improvement
asset management
Transformador de potencia
tasa de fallas
mantenimiento
índices de salud
mejoramiento de la confiabilidad
gestión de activos.
description Power transformer failures have a significant impact on electrical systems reliability, as they compromise the electricity delivery. Failures impact the operational cost of electric utilities as they endanger the accomplishment of power commitments. Power transformer failure rate can be modeled from its health condition, which is determined from different condition parameters. This paper is aimed to compare different maintenance schemes that allow the asset to be available the longest possible time. The power transformer operation is represented considering actual electric load profiles and temperature. Electrical and thermal transformer parameters are taken from manufacturer tests and technical standards. An electrical-thermal model is employed to estimate the life span reduction and temperature changes. From life span and loading, the health condition is determined, so as the effects of different maintenance schemes. The failure rates are calculated for unmaintained conditions and different maintained schemes, allowing to determine their effects on transformer reliability. Optimal maintenance schemes are determined and the expected benefits in failure rate reduction, asset reliability and life span extension are presented. As a result, it was found that certain time-based maintenance schemes provide better transformer reliability performance in comparison to condition based schemes,  allowing to reduce the interruptions andextending the life of the transformer.
publishDate 2015
dc.date.issued.spa.fl_str_mv 2015-06-01
dc.date.accessioned.spa.fl_str_mv 2019-07-03T04:46:27Z
dc.date.available.spa.fl_str_mv 2019-07-03T04:46:27Z
dc.type.spa.fl_str_mv Artículo de revista
dc.type.coar.fl_str_mv http://purl.org/coar/resource_type/c_2df8fbb1
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dc.type.content.spa.fl_str_mv Text
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format http://purl.org/coar/resource_type/c_6501
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dc.identifier.issn.spa.fl_str_mv ISSN: 2248-8723
dc.identifier.uri.none.fl_str_mv https://repositorio.unal.edu.co/handle/unal/67652
dc.identifier.eprints.spa.fl_str_mv http://bdigital.unal.edu.co/68681/
identifier_str_mv ISSN: 2248-8723
url https://repositorio.unal.edu.co/handle/unal/67652
http://bdigital.unal.edu.co/68681/
dc.language.iso.spa.fl_str_mv spa
language spa
dc.relation.spa.fl_str_mv https://revistas.unal.edu.co/index.php/ingeinv/article/view/53435
dc.relation.ispartof.spa.fl_str_mv Universidad Nacional de Colombia Revistas electrónicas UN Ingeniería e Investigación
Ingeniería e Investigación
dc.relation.references.spa.fl_str_mv Duran Tovar, Ivan Camilo and Rosero Zuñiga, Laura Sofia and Pavas Martínez, Andrés and Duarte Velasco, Oscar Germán (2015) Comparison of maintenance scheme effects on power transformer reliability performance. Ingeniería e Investigación, 35 (1Sup). pp. 73-81. ISSN 2248-8723
dc.rights.spa.fl_str_mv Derechos reservados - Universidad Nacional de Colombia
dc.rights.coar.fl_str_mv http://purl.org/coar/access_right/c_abf2
dc.rights.license.spa.fl_str_mv Atribución-NoComercial 4.0 Internacional
dc.rights.uri.spa.fl_str_mv http://creativecommons.org/licenses/by-nc/4.0/
dc.rights.accessrights.spa.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial 4.0 Internacional
Derechos reservados - Universidad Nacional de Colombia
http://creativecommons.org/licenses/by-nc/4.0/
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.mimetype.spa.fl_str_mv application/pdf
dc.publisher.spa.fl_str_mv Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ingeniería
institution Universidad Nacional de Colombia
bitstream.url.fl_str_mv https://repositorio.unal.edu.co/bitstream/unal/67652/1/53435-266801-5-PB.pdf
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spelling Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Duran Tovar, Ivan Camilof6681245-4372-436c-b68e-a3240fdf505e300Rosero Zuñiga, Laura Sofia5b893c7d-af9d-45ba-9c23-0b89459eac68300Pavas Martínez, Andrés8f94ca83-ea2c-41b9-9a18-aaefefb23a9f300Duarte Velasco, Oscar Germán507a544f-deb1-454f-a692-8ba721d188313002019-07-03T04:46:27Z2019-07-03T04:46:27Z2015-06-01ISSN: 2248-8723https://repositorio.unal.edu.co/handle/unal/67652http://bdigital.unal.edu.co/68681/Power transformer failures have a significant impact on electrical systems reliability, as they compromise the electricity delivery. Failures impact the operational cost of electric utilities as they endanger the accomplishment of power commitments. Power transformer failure rate can be modeled from its health condition, which is determined from different condition parameters. This paper is aimed to compare different maintenance schemes that allow the asset to be available the longest possible time. The power transformer operation is represented considering actual electric load profiles and temperature. Electrical and thermal transformer parameters are taken from manufacturer tests and technical standards. An electrical-thermal model is employed to estimate the life span reduction and temperature changes. From life span and loading, the health condition is determined, so as the effects of different maintenance schemes. The failure rates are calculated for unmaintained conditions and different maintained schemes, allowing to determine their effects on transformer reliability. Optimal maintenance schemes are determined and the expected benefits in failure rate reduction, asset reliability and life span extension are presented. As a result, it was found that certain time-based maintenance schemes provide better transformer reliability performance in comparison to condition based schemes,  allowing to reduce the interruptions andextending the life of the transformer.Las fallas en los transformadores de potencia tienen un impacto significativo sobre la confiabilidad de los sistemas eléctricos, debido a que comprometen la prestación del servicio de energía. Las fallas impactan los costos operacionales de la energía debido a que ponen en riesgo el cumplimiento de los contratos de energía. La tasa de falla en los transformadores de potencia puede modelarse a partir de su condición de salud, la cual es determinada a partir de diferentes parámetros de condición. Este artículo apunta a comparar diferentes esquemas de mantenimiento que permitan tener el activo disponible el mayor tiempo posible. La operación del transformador de potencia es representada considerando perfiles reales de temperatura y carga eléctrica. Los parámetros eléctricos y térmicos del transformador son tomados de pruebas de fabricantes y estándares técnicos. Un modelo eléctrico-térmico es empleado para estimar la reducción de vida útil y los cambios de temperatura. A partir de la vida útil y la carga se determina la condición de salud, así como el efecto de diferentes esquemas de mantenimiento. Se calculan las tasas de falla para condiciones sin mantenimiento y para diferentes esquemas de mantenimiento, permitiendo determinar los efectos en la confiabilidad del transformador. De los esquemas de mantenimiento se presentan los beneficios esperados en la reducción de la tasa de fallas, confiabilidad del activo y extensión de la vida útil. Como resultado, se encontró que ciertos esquemas de mantenimiento basados en el tiempo proveen un mejor desempeño de la confiabilidad del transformador que permitiendo reducir las interrupciones y extendiendo la vida útil del transformador.application/pdfspaUniversidad Nacional de Colombia - Sede Bogotá - Facultad de Ingenieríahttps://revistas.unal.edu.co/index.php/ingeinv/article/view/53435Universidad Nacional de Colombia Revistas electrónicas UN Ingeniería e InvestigaciónIngeniería e InvestigaciónDuran Tovar, Ivan Camilo and Rosero Zuñiga, Laura Sofia and Pavas Martínez, Andrés and Duarte Velasco, Oscar Germán (2015) Comparison of maintenance scheme effects on power transformer reliability performance. Ingeniería e Investigación, 35 (1Sup). pp. 73-81. ISSN 2248-872362 Ingeniería y operaciones afines / EngineeringPower transformerfailure ratemaintenancehealth indexreliability improvementasset managementTransformador de potenciatasa de fallasmantenimientoíndices de saludmejoramiento de la confiabilidadgestión de activos.Comparison of maintenance scheme effects on power transformer reliability performanceArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTORIGINAL53435-266801-5-PB.pdfapplication/pdf2493912https://repositorio.unal.edu.co/bitstream/unal/67652/1/53435-266801-5-PB.pdf01c74454d215cd79c482e00e9caf6278MD51THUMBNAIL53435-266801-5-PB.pdf.jpg53435-266801-5-PB.pdf.jpgGenerated Thumbnailimage/jpeg8868https://repositorio.unal.edu.co/bitstream/unal/67652/2/53435-266801-5-PB.pdf.jpg283f12e56ac11899aff3b87143530eeeMD52unal/67652oai:repositorio.unal.edu.co:unal/676522024-05-22 23:34:07.665Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co

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