Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Theoretical Evaluation of Degradation in Superconducting Multistrands for AC Use

교류용초전도연선의 교류전류열화현상의 이론적 검토

  • Oh, Bong-Hwan (Korea Electrotechnology Research Institute (KERI)) ;
  • Nah, Wan-Soo (Korea Electrotechnology Research Institute (KERI)) ;
  • Oh, Sang-Soo (Korea Electrotechnology Research Institute (KERI)) ;
  • Ryu, Kang-Sik (Korea Electrotechnology Research Institute (KERI))
  • Published : 1993.11.26
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Abstract

When an alternating current is supplied to a super-conducting multi-stranded cable, the quench current value of the cable was observed to be less than the simple summation of individual quench current value of each strand. One of the causes for such a degradation was attributed to the nonuniform of the current distribution in multi-stranded cable due to magnetic mutual coupling among the strands. The degradation of the superconducting cable is evaluated theoretically by taking into account the magnetic coupling among the strands.

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