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DIELECTRIC BREAKDOWN IN HIGH DENSITY HELIUM AND IN HELIUM IMPREGNATED SOLID DIELECTRICS.

Author(s) : HILEY J., DHARIWAL R. S.

Type of article: Article

Summary

THE AUTHORS DESCRIBE MEASUREMENTS OF HELIUM BREAKDOWN FIELD WHICH DEMONSTRATE ITS DEPENDENCE ON HELIUM DENSITY. THIS DEPENDENCE OCCURRED IN AT LEAST THREE DISTINCT MODES. THE BEHAVIOUR AT HELIUM DENSITIES HIGHER THAN 100 KG/M3 IS OF PARTICULAR INTEREST. RESULTS SHOWING THE DEPENDENCE OF BREAKDOWN FIELD ON HELIUM PRESSURE AND ON CATHODE MATERIAL AND SURFACE CONDITION ARE PRESENTED. INTERNAL DISCHARGE INCEPTION VOLTAGES IN HELIUM FILLED CAVITIES IN POLYETHYLENE AND EPOXY RESIN ARE SHOWN TO DEPEND ON THE DENSITY OF THE HELIUM, THE SAMPLE DIMENSIONS, PERMITTIVITY OF THE SOLID AND ON CAVITY SURFACE EFFECTS.

Details

  • Original title: DIELECTRIC BREAKDOWN IN HIGH DENSITY HELIUM AND IN HELIUM IMPREGNATED SOLID DIELECTRICS.
  • Record ID : 1986-0024
  • Languages: English
  • Source: Cryogenics - vol. 25 - n. 6
  • Publication date: 1985

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