Rapid assessment of transformer insulating vegetable oil quality using FTIR spectroscopy and chemometrics

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniv Fed Itajuba-
Autor(es): dc.contributorInst Fed Educ Ciencia & Tecnol Sul Minas Gerais-
Autor(es): dc.contributorUniversidade Federal de Minas Gerais (UFMG)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorBarbosa, Nathalia-
Autor(es): dc.creatorSantos, Larissa-
Autor(es): dc.creatorSeguchi, Lucas-
Autor(es): dc.creatorSilva, Beatriz-
Autor(es): dc.creatorCarvalho, Thais-
Autor(es): dc.creatorWanderley, Estacio-
Autor(es): dc.creatorGimenes, Rossano-
Autor(es): dc.creatorSoares, Melina-
Autor(es): dc.creatorAraujo, Ana-
Autor(es): dc.creatorSilva, Flavio-
Autor(es): dc.creatorAlmeida, Mariana-
Autor(es): dc.creatorSilva, Milady-
Data de aceite: dc.date.accessioned2025-08-21T22:58:26Z-
Data de disponibilização: dc.date.available2025-08-21T22:58:26Z-
Data de envio: dc.date.issued2022-11-29-
Data de envio: dc.date.issued2022-11-29-
Data de envio: dc.date.issued2022-06-15-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.21577/0100-4042.20170914-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/237594-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/237594-
Descrição: dc.descriptionAlthough analytical techniques to assess the degradation of transformer insulation systems are well established, it is essential to develop fast and effective methodologies for monitoring the quality of power transformer insulating fluid. The objective of this work was to develop a fast, simple, and environmentally friendly method to evaluate and monitor the quality of insulating vegetable oil (IVO) from transformers, using multivariate control chart and infrared spectroscopy (FTIR). For the development of the method, IVO samples were subjected to electrical and thermal stress, as well as to contact with insulating paper and copper, to simulate the internal environment of a transformer before and after energizing. Control chart based on principal component analysis was developed to monitor insulating vegetable oil quality. It was possible to identify oil samples with oxidation levels that were outside the acceptable quality standards for insulating fluid in transformers. The results demonstrated the potential of FTIR spectroscopy and control charts as fast and simple tools for monitoring the quality of insulating fluids, enabling the identification of oil samples that fail to comply with regulation standards for insulating fluids, assisting in the implementation of maintenance programs for power transformers.-
Descrição: dc.descriptionUniv Fed Itajuba, Inst Fis & Quim, BR-37500903 Itajuba, MG, Brazil-
Descrição: dc.descriptionInst Fed Educ Ciencia & Tecnol Sul Minas Gerais, BR-37560260 Pouso Alegre, MG, Brazil-
Descrição: dc.descriptionUniv Fed Minas Gerais, Dept Quim, BR-31270901 Belo Horizonte, MG, Brazil-
Descrição: dc.descriptionUniv Fed Itajuba, Inst Sistemas Eletr & Energia, BR-37500903 Itajuba, MG, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil-
Descrição: dc.descriptionUniv Fed Itajuba, Nucleo Separadores Compactos, BR-37500903 Itajuba, MG, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil-
Formato: dc.format10-
Idioma: dc.languageen-
Publicador: dc.publisherSoc Brasileira Quimica-
Relação: dc.relationQuimica Nova-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectPartial discharges-
Palavras-chave: dc.subjectDegradation-
Palavras-chave: dc.subjectPCA-
Palavras-chave: dc.subjectQ chart-
Palavras-chave: dc.subjectHotelling&rsquo-
Palavras-chave: dc.subjects T-2 chart-
Título: dc.titleRapid assessment of transformer insulating vegetable oil quality using FTIR spectroscopy and chemometrics-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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