The influence of magnetite nano particles on the behavior of insulating oils for pulse power applications

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The effects of the addition of magnetite nanoparticles on the breakdown strength of three insulating liquids have been examined. The liquids considered are: a mineral transformer oil; a synthetic ester liquid, Midel 7131, and a specialist high permittivity liquid for pulse power applications THESO. The expected increases in breakdown strength were observed in the mineral oil and synthetic ester liquids. However in the case of the high permittivity liquid no significant changes in the breakdown strength were observed. Possible explanations for the differences in the observed behavior for the THESO insulating liquid are discussed.
Original languageEnglish
Number of pages4
Publication statusUnpublished - Oct 2011
Event2011 IEEE Electrical Insulation and Dielectric Phenomena (CEIDP) - Cancun, Mexico
Duration: 16 Oct 201119 Oct 2011


Conference2011 IEEE Electrical Insulation and Dielectric Phenomena (CEIDP)


  • magnetite nanoparticles
  • insulating liquids
  • mineral transformer oil
  • THESO insulating liquid

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