Dependence of Uniform/Nonuniform Field Transformer Oil Breakdown on Oil Composition

  • C. Hosticka
  • Published 1979 in IEEE Transactions on Electrical Insulation

Abstract

The 60-Hz and impulse breakdown characteristics of two oils, A and B, which differed markedly in needle-sphere (N-S)impulse strength were determined in uniform and divergent fieldgeometries. Oil A, which had the higher N-S strength, was acommercial transformer oil, and Oil B was this same oil dopedwith anthracene. In the uniform field tests, the two oilshad… (More)

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