• DocumentCode
    10839
  • Title

    Power transformer disruptions- a case study

  • Author

    Marques, Antonio G. ; de Jesus Ribeiro, Cacilda ; Azevedo, Claudio Henrique ; Lopes dos Santos, Jeeves ; de Carvalho Sousa, Felipe ; da Cunha Brito, Leonardo

  • Author_Institution
    CELG Distribuicao, Goiânia, Brazil
  • Volume
    30
  • Issue
    2
  • fYear
    2014
  • fDate
    March-April 2014
  • Firstpage
    17
  • Lastpage
    21
  • Abstract
    The article presents an analysis over an operational period of 33 years of 34.5-kV through 230-kV mineral-oil-filled power transformers that have been removed from service because of faults and defects.
  • Keywords
    fault diagnosis; minerals; power transformer insulation; transformer oil; electrical systems; mineral-oil-filled power transformers; power transformer disruptions; voltage 230 kV; voltage 34.5 kV; Failure analysis; Oil insulation; Partial discharges; Power system restoration; Power transformer insulation; Transformers; defect; diagnostics; disruption; failure; power transformer;
  • fLanguage
    English
  • Journal_Title
    Electrical Insulation Magazine, IEEE
  • Publisher
    ieee
  • ISSN
    0883-7554
  • Type

    jour

  • DOI
    10.1109/MEI.2014.6749569
  • Filename
    6749569