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Behaviors of turn-to-turn contact resistance (Rc) of various REBCO CC tapes according to applied contact pressure
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- 발행기관
- 한국초전도저온학회 (구 한국초전도저온공학회) 바로가기
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- 간행물
- 한국초전도·저온논문지 (구 한국초전도저온공학회논문지) KCI 등재 SCOPUS 바로가기
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- 통권
- Vol.20 No.3 (2018.09)바로가기
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- 페이지
- pp.15-20
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- 저자
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- 언어
- 영어(ENG)
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- URL
- https://www.earticle.net/Article/A347946
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4,000원
원문정보
초록
- 영어
- No-insulation (NI) pancake magnets are fabricated using Rare earth-Barium-Copper Oxide (REBCO) coated conductor (CC) tapes, which enabled a very compact magnet in the aspects of high critical current density (Jc) and high mechanical strength by removing insulation and allowing thinner stabilizer. They have also advantages such as self-quench protection. Therefore, it does not need quench detection and protection that can be very challenging in a high critical temperature (Tc) superconducting magnet technology. Recently, it was reported that the NI REBCO CC magnets have some drawbacks of long charging time and high field ramp loss which will be a concern in the operation of cryocooled magnets. These issues are related to the turn-to-turn contact resistivity and can be released by managing it. This is also closely related to the activity of reducing the contact joint resistance in the case of CC joints for long length CC fabrication. Therefore, in this study, the turn-to-turn contact resistance (Rc) at the CC contact part of differently stabilized CC tapes was measured. The behaviors of Rc at CC contact parts according to the applied contact pressure were investigated. The range of Rc measured for CC tapes adopted will provide fundamental data for design and fabrication of the CC NI coils.
목차
Abstract
1. INTRODUCTION
2. EXPERIMENTAL PROCEDURES
2.1. CC tape samples and preparation
2.2. Measurement of Rc under mechanical contact pressure
3. EXPERIEMETAL RESULTS AND DISCUSSION
3.1. Measurement of Rc under pressure
3.2. Observations of surface contours of CC tapes
4. CONCLUSION
ACKNOWLEDGMENT
REFERENCES
키워드
coated conductor No-insulation contact resistance mechanical contact pressure contact part structure저자
간행물 정보
발행기관
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- 발행기관명
- 한국초전도저온학회 (구 한국초전도저온공학회) [The Korean Society of Superconductivity and Cryogenics (KSSC)]
- 설립연도
- 1998
- 분야
- 공학>전기공학
- 소개
- 21세기 핵심기술인 초전도공학과 저온공학분야의 기술 수준을 향상시키고, 선진 외국의 관련 학회와의 국제 교류 뿐만 아니라 이 분야에서 산.학.연의 학술활동 및 기술교류의 구심점으로의 그 역할을 성실히 수행하고자 한다.
간행물
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- 간행물명
- 한국초전도·저온논문지 (구 한국초전도저온공학회논문지) [Progress in Superconductivity and Cryogenics]
- 간기
- 계간
- pISSN
- 1229-3008
- eISSN
- 2287-6251
- 수록기간
- 1999~2026
- 등재여부
- KCI 등재,SCOPUS
- 십진분류
- KDC 427 DDC 537
이 권호 내 다른 논문 / 한국초전도·저온논문지 (구 한국초전도저온공학회논문지) Vol.20 No.3
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