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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.2
- 수록면
- 28 - 33 (6page)
- DOI
- 10.5207/JIEIE.2024.38.1.28
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초록· 키워드
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This study investigates the insulation breakdown characteristics of superconducting magnets under high vacuum conditions, focusing on the effects of localized vacuum degradation and the material properties of the stabilizer layer used in superconducting wires. To understand the influence of vacuum pressure variations and electrode material on insulation strength, experiments were conducted using spherical electrodes composed of five different materials. These experiments demonstrated how changes in vacuum pressure affect insulation breakdown characteristics, following the pattern of Paschen’s curve. A notable decrease in breakdown voltage was observed in mid-vacuum regions, while an increase was seen in high vacuum conditions, underscoring the significant impact of vacuum pressure on insulation breakdown mechanisms. The results also highlighted the role of electrode material’s work function in high vacuum conditions, where materials with higher work functions exhibited higher breakdown voltages. This was particularly evident in the comparison of alloys like Brass, which, despite having a high work function, showed lower breakdown voltages due to surface impurities promoting discharge. In contrast, high-strength metals like Stainless Steel demonstrated higher breakdown voltages, attributed to their chemical stability and resistance to oxidation and corrosion.
목차
Abstract
1. 서론
2. 이론적 배경
3. 절연파괴실험
4. 실험 결과
5. 고찰
6. 결론
References
참고문헌 (12)
참고문헌 신청
J. van Nugteren, et al., “A fast quench protection system for high-temperature superconducting magnets,” in IEEE Transactions on Applied Superconductivity, vol. 29, no. 1, pp. 1-8, 2019.
U. J. Bong, S. Y. Hahn, and S. J. Lee, “Recent trends in high-temperature superconductor magnet technology,” in KIEE The Korean Institute of Electrical Engineers, vol. 71, no. 10, pp. 40-45, 2022.
P. Vogel, T. Kampf, M. A. Ruckert, and V. C. Behr, “Novel fabrication method for nested saddle coils,” in IEEE Transactions on Magnetics, vol. 56, no. 9, pp. 1-6, 2020.
L. Rossi, et al., “A european collaboration to investigate superconducting magnets for next generation heavy ion therapy,” in IEEE Transactions on Applied Superconductivity, vol. 32, no. 4, pp. 1-7, 2022.
S. In, et al., “Experimental study on a conduction cooling system for an HTS NMR magnet,” in IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, pp. 1-5, 2017.
U. J. Bong, S. Y. Hahn, and S. J. Lee, “Recent trends in high-temperature superconductor magnet technology,” in KIEE The Korean Institute of Electrical Engineers, vol. 71, no. 10, pp. 40-45, 2022.
P. Vogel, T. Kampf, M. A. Ruckert, and V. C. Behr, “Novel fabrication method for nested saddle coils,” in IEEE Transactions on Magnetics, vol. 56, no. 9, pp. 1-6, 2020.
L. Rossi, et al., “A european collaboration to investigate superconducting magnets for next generation heavy ion therapy,” in IEEE Transactions on Applied Superconductivity, vol. 32, no. 4, pp. 1-7, 2022.
S. In, et al., “Experimental study on a conduction cooling system for an HTS NMR magnet,” in IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, pp. 1-5, 2017.
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