Proceedings of the Korea Institute of Applied Superconductivity and Cryogenics Conference (한국초전도저온공학회:학술대회논문집)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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Measurement of electrical resistance at the Nb_{3}$Sn CICC joint fabricated by sub-cable to sub-cable joining

Nb_{3}$Sn 초전도 CICC의 sub-cable to sub-cable 접합 및 접합저항 측정

  • 이호진 (한국원자력연구소 기능선재료분야) ;
  • 홍계원 (한국원자력연구소 기능선재료분야) ;
  • 김기백 (한국원자력연구소 기능선재료분야) ;
  • 권선칠 (한국원자력연구소 기능선재료분야) ;
  • 김기만 (삼성종합기술원 에너지Lab)
  • Published : 1999.02.01
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Abstract

A small scale joint sample of Nb3Sn CICC was fabricated by sub-cable to sub-cable joining. This joint was produced by parallel insertion of one end of each sub-cable into the sub-cable space of the other side of cable, which can decrease the equivalent electrical resistance at the joint is expected to have average properties, dc resistance and ac losses, in view of the shapes of ITER type joint and strand to strand joint. The 3.8nOhm of dc resistance was measured in the range of 10-200A transport current. The normalized resistivity of the joint was about 6.7 $\mu}$Ohm-$^mm{2}$. Considering the normalized resistivity, the full scale joint prepared by sub-cable to sub-cable joining may have similar joint dc resistance with other conventional full scale joints with a shorter joining length.

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