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논문 기본 정보

자료유형
학술저널
저자정보
정민경 (Korea National University of Transportation) 신우철 (Korea National University of Transportation) 박준영 (Korea National University of Transportation) 오승희 (Korea National University of Transportation) 구본혁 (Korea National University of Transportation) 이호빈 (Korea National University of Transportation) 강형구 (Korea National University of Transportation)
저널정보
한국조명·전기설비학회 조명·전기설비학회논문지 조명·전기설비학회논문지 제37권 제2호
발행연도
2023.4
수록면
69 - 75 (7page)
DOI
10.5207/JIEIE.2023.37.2.069

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초록· 키워드

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This study focuses on investigating the dielectric breakdown characteristics of high-temperature superconducting (HTS) coils, which are increasingly used in various applications such as superconducting cables, superconducting fault current limiters (SFCLs), and superconducting particle accelerators. The research aims to understand how electrical breakdown, induced by high electromotive force and local quenching, can weaken the dielectric stability of HTS magnets. The dielectric experiments were conducted under different vacuum conditions and gaseous helium conditions, and an empirical formula for the electrical insulation design of HTS magnets was developed. Finite element method (FEM) analysis was also performed to simulate various conditions that may cause electrical breakdown, confirming that breakdown could occur at turn-to-turn and layer-to-layer of HTS magnets. As a result, it was confirmed that the magnitude of the induced electromotive force or quench voltage that could cause electrical breakdown of the HTS magnets under various insulating medium conditions such as gaseous nitrogen (GN2), gaseous helium (GHe), and vacuum was deduced.

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Abstract
1. 서론
2. 절연파괴 실험
3. 절연파괴 실험결과
4. 절연파괴 실험결과 분석
5. 결론
References

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