한국초전도학회:학술대회논문집

한국초전도학회 (The Korean Superconductivity Society)
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6 더블팬케이크 Bi-2223 고온초전도 마그네트 제작

Fabrication of 6 double pancakes Bi-2223 HTS magnet

  • 하홍수 (한국전기연구소 초전도응용연구그룹) ;
  • 장현만 (한국전기연구소 초전도응용연구그룹) ;
  • 이남진 (한국전기연구소 초전도응용연구그룹) ;
  • 오상수 (한국전기연구소 초전도응용연구그룹) ;
  • 하동우 (한국전기연구소 초전도응용연구그룹) ;
  • 류강식 (한국전기연구소 초전도응용연구그룹) ;
  • 이해근 (MIT) ;
  • 이준석 (대성전선(주) 기술연구소)
  • Ha, Hong-Soo (Applied Superconductivity Laboratory, Korea Electrotechnology Research Institute) ;
  • Jang, Hyun-Man (Applied Superconductivity Laboratory, Korea Electrotechnology Research Institute) ;
  • Lee, Nam-Jin (Applied Superconductivity Laboratory, Korea Electrotechnology Research Institute) ;
  • Oh, Sang-Soo (Applied Superconductivity Laboratory, Korea Electrotechnology Research Institute) ;
  • Ha, Dong-Woo (Applied Superconductivity Laboratory, Korea Electrotechnology Research Institute) ;
  • Ryu, Kang-Sik (Applied Superconductivity Laboratory, Korea Electrotechnology Research Institute) ;
  • Lee, Hai-Gun (MIT) ;
  • Lee, Jun-Suck (Technology Research Institute, Dae Sung Cable Co.)
  • 발행 : 1999.08.18
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초록

HTS magnet operated at 20${\sim}$40 K was fabricated using three pieces of 100 m Bi-2223 high temperature superconductors fabricated by powder-in-tube process. It was composed of 6 double pancakes with 75 ID. and 113 OD. connected by lab splice. Coil I$_c$ of each DP.(double pancake) obtained for a 140 turn, fabricated using react and wind procedure was 6${\sim}$8 A at 77 K, self field. The maximum field was measured 0.06 T at lop = 5 A, 77 K. The joint resistance due to lap splice of HTS tapes affect badly to operate HTS magnet with persistent current mode, total effective magnet resistance included lap splice was 55 ${\mu}$ ${\omega}$ at 77 K.

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