Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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Investigation on stability characteristics of 2G HTS coated conductor tapes with various stabilizer thickness

  • Quach, Huu Luong (Department of Electrical Engineering, Jeju National University) ;
  • Kim, Ji Hyung (Department of Electrical Engineering, Jeju National University) ;
  • Hyeon, Chang Ju (Department of Electrical Engineering, Jeju National University) ;
  • Chae, Yoon Seok (Department of Electrical Engineering, Jeju National University) ;
  • Moon, Jae Hyung (Department of Electrical Engineering, Jeju National University) ;
  • Kim, Ho Min (Department of Electrical Engineering, Jeju National University)
  • Received : 2017.12.06
  • Accepted : 2018.03.27
  • Published : 2018.03.31
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Abstract

The thermal and electrical properties of the conductor are critical parametersfor the design and optimization of the superconducting magnet. This paper presents simulation code to analyze electrical and thermal stability characteristics of the second generation (2G) high-temperature superconductor (HTS) by varying copper stabilizer thickness. Two types of commercial 2G HTS coated conductor tapes, YBCO and GdBCO were used in this study. These samples were cooled by Liquid Nitrogen ($LN_2$) having boiling at 77.3 K and an equivalent electrical circuit model for them is choosen and analysed in details. Also, an over-current pulse test in which a current exceeding a critical current was performed. From the simulation results, the influences of the copper stabilizer thickness on the stability characteristics of these samples are presented.

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References

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Cited by

  1. Superconducting state stability in second generation high-temperature superconducting wires with varying copper stabilizer thickness under AC overcurrent conditions vol.33, pp.4, 2018, https://doi.org/10.1088/1361-6668/ab7470