Comparisons of internal self-field magnetic flux densities between recent Nb3Sn fusion magnet CICC cable designs
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- 발행기관
- 한국초전도저온학회 (구 한국초전도저온공학회) 바로가기
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- 간행물
- 한국초전도·저온논문지 (구 한국초전도저온공학회논문지) KCI 등재 바로가기
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- 통권
- Vol.18 No.3 (2016.09)바로가기
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- 페이지
- pp.10-20
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- 저자
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- 언어
- 영어(ENG)
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- URL
- https://www.earticle.net/Article/A286959
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원문정보
초록
- 영어
- The Cable-In-Conduit-Conductor (CICC) for the ITER tokamak Central Solenoid (CS) has undergone design change since the first prototype conductor sample was tested in 2010. After tests showed that the performance of initial conductor samples degraded rapidly without stabilization, an alternate design with shorter sub-cable twist pitches was tested and discovered to satisfy performance requirements, namely that the minimum current sharing temperature (Tcs) remained above a given limit under DC bias. With consistent successful performance of ITER CS conductor CICC samples using the alternate design, an attempt is made here to revisit the internal electromagnetic properties of the CICC cable design to identify any correlation with conductor performance. Results of this study suggest that there may be a simple link between the Nb3Sn CICC internal self-field and its Tcs performance. The study also suggests that an optimization process should exist that can further improve the performance of Nb3Sn based CICC.
목차
Abstract
1. BACKGROUND
2. INTRODUCTION TO ITER CS CONDUCTOR DESIGN AND PERFORMANCE
3. SIMPLE MODEL OF CICC CABLE AND ITSMAGNETOSTATIC FIELD
3.1. Basic Principles and First Stage Sub-cable Model
3.2. Second and Subsequent Stage Sub-cable
3.3. Longitudinal Current in Final Cable
3.4. Resulting Internal Self-field of Cable
3.5. Discussion on Validity of the Model
4. COMMENTS ON THE CALCULATIONS ON CICC CABLE LAYOUTS
4.1. Comparisons between ITER CS CICC Cable Designs
4.2. Calculations for ITER TF Type Conductor Cable
4.3. Calculations on Square and Rectangular CICC Cable
5. DISCUSSION OF THE RESULTS
5.1. Trends and Correlation with Tcs Performance
5.2. Possible Link with Strand Strain Relaxation
5.3. Absence of a Definitive Explanation on Tcs Behavior
6. OTHER IDENTIFIED FACTORS IN CICC PERFORMANCE
7. CONCLUSION
ACKNOWLEDGMENT
REFERENCES
키워드
fusion magnet superconducting cable cable-in-conduit conductor CICC cable layout niobium-tin저자
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.18 No.3
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