• DocumentCode
    1176474
  • Title

    Parameters Affecting the Velocity of Sound in Transformer Oil

  • Author

    Howells, E. ; Norton, E.T.

  • Author_Institution
    McGraw-Edison Company Thomas A. Edison Technical Center
  • Issue
    5
  • fYear
    1984
  • fDate
    5/1/1984 12:00:00 AM
  • Firstpage
    1111
  • Lastpage
    1115
  • Abstract
    When attempting to locate partial discharge (Pd) sources in operating transformers, it was found that the speed of the acoustic waves propagating in the transformer oil differed from the value suggested in the literature. Subsequent investigations showed that the sonic velocity in transformer oil was not constant but depended upon a complex relationship which included the temperature of the oil, its gas and moisture content as well as the frequency content of the propagating signal.
  • Keywords
    Acoustic measurements; Acoustic propagation; Acoustic pulses; Acoustic testing; Frequency; Oil insulation; Partial discharges; Petroleum; Temperature; Velocity measurement;
  • fLanguage
    English
  • Journal_Title
    Power Apparatus and Systems, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9510
  • Type

    jour

  • DOI
    10.1109/TPAS.1984.318719
  • Filename
    4112636
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1176474