Extremal area effect for large-area electrodes for the electric breakdown of transformer oil

1 October 1956

conference paper
Published by Institute of Electrical and Electronics Engineers (IEEE)

p. 53-56
https://doi.org/10.1109/cei.1956.7541061

Abstract

The 60-cycle breakdown strength of good quality transformer oil has been shown to depend upon electrode size for a physical area ratio of 20 to 1 and for an additional ratio of 400 to 1 by means of a “group-of-minima” inference (1). The extremal nature of the breakdown distribution found to exist by these tests was also found to apply to impulse breakdown (2).

Keywords

ELECTRODES
ELECTRIC BREAKDOWN
OILS
OIL INSULATION
POWER TRANSFORMER INSULATION
STANDARDS
HISTOGRAMS

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