Acoustic noise evaluation for overhead line conductors

Q. Li, R. Shuttleworth, G. Zhang, I. Dupere, S. M. Rowland

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Research work on audible noise emitted from overhead line conductors is reviewed, and a unique experimental set up employing a semi-anechoic chamber and corona cage is described. Acoustically, this facility isolates undesirable background noise and provides a free-field test space inside the anechoic chamber. Electrically, the corona cage simulates a 3 m section of 400 kV overhead line conductors by achieving the equivalent surface gradient. UV imaging, acoustic measurements and a partial discharge detection system are employed as instrumentation. The acoustic and electrical performance is demonstrated through a series of experiments. One conductor sample is used as an example to illustrate results under various spray conditions. © 2013 IEEE.
Original languageEnglish
Title of host publication2013 IEEE Electrical Insulation Conference, EIC 2013|IEEE Electr. Insul. Conf., EIC
Number of pages4
ISBN (Print)9781467347389
Publication statusPublished - 2013
Event31st Electrical Insulation Conference, EIC 2013 - Ottawa, ON
Duration: 1 Jul 2013 → …


Conference31st Electrical Insulation Conference, EIC 2013
CityOttawa, ON
Period1/07/13 → …


  • anechoic chamber
  • audible noise
  • corona discharge
  • high voltage conductor
  • hum noise
  • overhead line conductor
  • partial discharge measurement
  • sound pressure level
  • transmission line


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