Critical parameters of gas cavities in dielectric liquids stressed with high electric field

I. Timoshkin, S.J. MacGregor, M.J. Given, V. Atrazhev, V. Vorob'ev

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Electric field stimulates formation of gas-filled cavities on sharp electrodes in insulating liquids which may initiate the dielectric breakdown of these liquids. Using an analytical model based on electrical and thermodynamic properties of fluids, the critical dimensions of gas-filled bubbles in ester fluid and transformer oils stressed with an impulse electric field were calculated. The results obtained in this paper could be important for the optimisation of the application of these liquids in high voltage and pulsed power systems.
LanguageEnglish
Pages1022-1024
Number of pages2
JournalActa Physica Polonica A
Volume115
Issue number6
Publication statusPublished - Jun 2009

Fingerprint

cavities
electric fields
liquids
gases
fluids
transformers
impulses
esters
high voltages
bubbles
thermodynamic properties
oils
breakdown
electrical properties
optimization
electrodes

Keywords

  • gas cavities
  • dielectric liquids
  • high electric field

Cite this

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Critical parameters of gas cavities in dielectric liquids stressed with high electric field. / Timoshkin, I.; MacGregor, S.J.; Given, M.J.; Atrazhev, V.; Vorob'ev, V.

In: Acta Physica Polonica A, Vol. 115, No. 6, 06.2009, p. 1022-1024.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Critical parameters of gas cavities in dielectric liquids stressed with high electric field

AU - Timoshkin, I.

AU - MacGregor, S.J.

AU - Given, M.J.

AU - Atrazhev, V.

AU - Vorob'ev, V.

PY - 2009/6

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AB - Electric field stimulates formation of gas-filled cavities on sharp electrodes in insulating liquids which may initiate the dielectric breakdown of these liquids. Using an analytical model based on electrical and thermodynamic properties of fluids, the critical dimensions of gas-filled bubbles in ester fluid and transformer oils stressed with an impulse electric field were calculated. The results obtained in this paper could be important for the optimisation of the application of these liquids in high voltage and pulsed power systems.

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KW - dielectric liquids

KW - high electric field

UR - http://przyrbwn.icm.edu.pl/APP/SPIS/a115-6.html

M3 - Article

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EP - 1024

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T2 - Acta Physica Polonica A

JF - Acta Physica Polonica A

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ER -