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Electrical insulation operating at cryogenic temperature for high temperature superconducting power equipment.

Author(s) : BAEK S. M., JEONG J. M., LEE J. H., et al.

Summary

For practical electrical insulation design of high-temperature superconducting (HTS) power equipment, the authors investigated AC breakdown characteristics of liquid nitrogen and complex condition of cryogenic gaseous nitrogen above a nitrogen surface. For the insulation design of HTS cable, they tested breakdown strength of Kapton, PPLP, Nomex and Kraft under varying pressure and nitrogen environment. The surface flashover properties of glass-fibre-reinforced plastics (GFRP) are an important consideration in the electrical insulation design of compact termination. The surface voltage of GFRP was measured as a function of thickness and electrode distance in nitrogen and complex condition of cryogenic gaseous nitrogen above a nitrogen surface.

Details

  • Original title: Electrical insulation operating at cryogenic temperature for high temperature superconducting power equipment.
  • Record ID : 2006-0061
  • Languages: English
  • Source: Proceedings of the nineteenth International Cryogenic Engineering Conference. ICEC 19.
  • Publication date: 2002/07/22

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