Electrostatic and Hydrodynamic Effects in the Electrical Breakdown of Liquid Dielectrics

  title={Electrostatic and Hydrodynamic Effects in the Electrical Breakdown of Liquid Dielectrics},
  author={P. Keith Watson},
  journal={1984 Eighth International Conference on Conduction and Breakdown in Dielectric Liquids},
  • P. Keith Watson
  • Published 1984 in IEEE Transactions on Electrical Insulation
Optical studies of pre-breakdown events in insulating liquids enable one to distinguish three stages in the breakdown of negative point-plane gaps: (1) The creation of a rapidly expanding vapor cavity adjacent to the point electrode. (2) The instability of the surface of the cavity, characterized by the growth of wave-like disturbances, and (3) The runaway growth of the instability leading to vapor streamers that bridge the gap and cause the actual breakdown. This paper contains an analysis of… CONTINUE READING
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