Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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The Effect of Butt Gap in Insulation Properties for a HTS Cable

  • D.S.Kwag (Dept. of Electrical Engineering, Gyeongsang National University and Engineering Research Institute) ;
  • Kim, Y.S. (Dept. of Electrical Engineering, Gyeongsang National University and Engineering Research Institute) ;
  • Kim, H.J. (Applied Superconducting Lab, KERI) ;
  • Kim, S.H. (Dept. of Electrical Engineering, Gyeongsang National University and Engineering Research Institute)
  • Published : 2003.11.01
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Abstract

For an electrical insulation design of HTS cable, it is important to understand the dielectric characteristics of insulation materials in $LN_2$ and the insulation type. Generally, the electrical insulation of HTS Cable is classified into two types of the composite insulation and solid insulation type. In this research, we selected the insulation paper/$LN_2$ composite insulation type for the electric insulation of a HTS cable, and studied electric insulation characteristics of synthetic Laminated Polypropylene Paper (LPP) in liquid nitrogen ($LN_2$) for the application to high temperature superconducting (HTS) cable. Furthermore, we compared the breakdown characteristics of the butt gap and bended mini-model cable. It is necessary to understand the winding parameter of insulation paper/$LN_2$ composite insulation.

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References

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