Vegetable oil based dielectric fluid and methods of using same

  • US 6,905,638 B2
  • Filed: 07/15/2003
  • Issued: 06/14/2005
  • Est. Priority Date: 12/21/1995
  • Status: Expired due to Fees
First Claim
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1. A transformer including a housing that contains a transformer core/coil assembly, comprising:

  • a dielectric fluid surrounding said core-coil assembly, wherein the dielectric fluid consists of one or more vegetable oils and one or more antioxidant compounds, and wherein the one or more vegetable oils have a viscosity of between 2 and 15 cSt at 100°

    C. and less than 110 cSt at 40°

    C., and wherein the dielectric fluid is environmentally safe.

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