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dc.contributor.authorMax L.C. Negrão, Martines-ES
dc.contributor.authorN. da Silva, Paula Renathaes-ES
dc.contributor.authorGomes, Cristiane R.es-ES
dc.contributor.authorGomes, Herminio S.es-ES
dc.contributor.authorVieira Junior, Petronioes-ES
dc.contributor.authorSanz Bobi, Miguel Ángeles-ES
dc.date.accessioned2016-01-15T11:15:58Z
dc.date.available2016-01-15T11:15:58Z
dc.date.issued2013-12-01es_ES
dc.identifier.issn0142-0615es_ES
dc.identifier.uri10.1016j.ijepes.2013.05.052es_ES
dc.descriptionArtículos en revistases_ES
dc.description.abstractes-ES
dc.description.abstractConventionally monitoring operating conditions of a power transmission line is accomplished by periodic inspections along this line. This monitoring allows corrective maintenance by finding faults during the inspection. But in more efficient maintenance, predictive techniques that are characterized by real-time monitoring should be employed. Such predictive techniques allow for verifying the working status of the line by using normal working models to detect faults and fault models for diagnosis. This paper presents a study that used a mathematical model appropriate for application to predictive maintenance of transmission line segments at low cost, without the need for sensors distributed along the line, and presenting a new indicator of transmission line operation conditions. By tracking the leakage current of transmission lines, this model allows for estimating the current line insulation status. Once the current line insulation status is known, it is possible to compare it against other future status and verify the progress of the insulation conditions of that line. The model uses a new indicator, called MCHO, which can detect and diagnose both normal and abnormal operating conditions of a power transmission line. This new indicator is the capacitance of the harmonic frequencies of the transmission line leakage current. The model was validated through measurements obtained on a stretch of transmission line.en-GB
dc.format.mimetypeapplication/pdfes_ES
dc.language.isoen-GBes_ES
dc.rightses_ES
dc.rights.uries_ES
dc.sourceRevista: International Journal of Electrical Power & Energy Systems, Periodo: 1, Volumen: online, Número: , Página inicial: 733, Página final: 741es_ES
dc.subject.otherInstituto de Investigación Tecnológica (IIT)es_ES
dc.titleMCHO - A new indicator for insulation conditions in transmission lineses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.description.versioninfo:eu-repo/semantics/publishedVersiones_ES
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.keywordses-ES
dc.keywordsLeakage current; Capacitance; Permittivity; Transmission line; Detection and diagnosisen-GB


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