The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

Development of a 1.8T HTS Insert Coil for High Field Magnet

고자장 자석용 1.8T HTS insert 코일 개발

  • 배준한 (한국전기연구원 초전도기기연구그룹) ;
  • 성기철 (한국전기연구원 초전도기기연구그룹)
  • Published : 2007.06.01
Download PDF
⟨ Previous Next ⟩

Abstract

We designed and manufactured a 1.8T high temperature superconducting(HTS) insert coil for a NMR magnet operated at 4.2 K. Suitable HTS superconductor and HTS coil were carefully designed and developed. We have selected multi-filamentary Bi2223 conductor fabricated by American Superconductor Corporation(AMSC). The selected conductor consists of Bi2223 filaments of 55, silver stabilizer and stainless steel reinforcement tapes. Therefore, it shows good hoop strength as well as compression tolerance. The conductor has a tape cross-section of 0.31mm x 4.8mm. the Bi2223 conductor shows large anisotropy of critical current. The critical current of conductor in magnetic field parallel to the flat surface are much higher than that in magnetic field perpendicular. The HTS coil has an inner diameter of 78 mm, an outer diameter of 127 mm and a coil length of 600 mm. In this paper, the detailed design, fabrication and test results on the HTS insert coil are presented.

Keywords

References

  1. Drew W. Hazelton, et al, 'HTS insert coils for high field NMR spectroscopy, IEEE Trans. Applied Superconductivity, vol. 9, no. 2, pp. 956, 1999 https://doi.org/10.1109/77.783456
  2. '초전도기술 산업화 지원센터 구축사업에 관한 보고서', 산업자원부, 2005
  3. S. Pourrahimi, et aI, 'Conductors for a 1GHz superconducting magnet', IEEE Trans. Magnetics, vol. 30, no. 4, pp. 2756, 1994 https://doi.org/10.1109/20.305749
  4. Lee, Haigun, et al. 'A high-temperature superconducting double-pancake insert for an NMR magnet', IEEE Trans. Magnetics, : a publication of the IEEE Superconductivity Committee, vol. 13, no. 2, pt.2 pp. 1546, 2003 https://doi.org/10.1109/TASC.2003.812770
  5. Shoaff. P. V, et al, 'HTS coil and joint development for a 5T NMR insert coil', Advances in cryogenic engineering, vol.41, no. A, pp.413, 1996
  6. http://www.amsuper.com/products/htsWire