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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.4
- 수록면
- 30 - 36 (7page)
- DOI
- 10.5207/JIEIE.2023.37.2.030
이용수
초록· 키워드
오류제보하기
The high-temperature superconducting (HTS) magnet used in particle accelerators for cancer treatment exhibits a large current change for a short period of time due to its fast ramp-up characteristics, which results in high voltage and instant vulnerability to electrical insulation. This research introduces the saddle-coil, which, due to its complex shape and small bending radius, allows for the local concentration of electric field intensity. Reports from the European particle physics laboratory, CERN have revealed dielectric breakdown due to 1000V between layers during low-temperature superconducting (LTS) magnet experiments for accelerators, yet no research has been conducted to solve this problem. HTS magnets operating in vacuum may be susceptible to electrical breakdown due to high induced voltage and local quench due to rapid-ramp characteristics. Therefore, this paper deals with the dielectric characteristics of vacuum to develop an electrically stable HTS magnet. Specifically, dielectric experiments on penetration and creepage discharge were conducted under various vacuum conditions, and empirical formulae for calculating the electric field intensity at sparkover for the insulation design of HTS magnets was derived.
목차
Abstract
1. 서론
2. 본론
3. 실험결과 및 분석
4. 결론
References
참고문헌 (8)
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, 2022.
W. Lei, Y. Feng, J. Zheng, and Z. Deng, “The SCML-05 Developed for Studying the 3D Force and PMG Irregularities Characteristics of HTS Maglev,” in IEEE Transactions on Applied Superconductivity, Vol. 32, No. 4, pp. 1-5, 2022.
H. Kojima, et al., “Dependence of Spark Conditioning on Breakdown Charge and Electrode Material under a Non-uniform Electric Field in Vacuum,” in IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 23, No. 5, pp. 3224-3230, 2016.
O. Lee, et al., “Creepage Discharge Characteristics of Solid Insulation Materials for Superconducting Power Cable,” in IEEE Transactions on Applied Superconductivity, Vol. 28, No. 3, pp. 1-4, 2018.
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, 2022.
W. Lei, Y. Feng, J. Zheng, and Z. Deng, “The SCML-05 Developed for Studying the 3D Force and PMG Irregularities Characteristics of HTS Maglev,” in IEEE Transactions on Applied Superconductivity, Vol. 32, No. 4, pp. 1-5, 2022.
H. Kojima, et al., “Dependence of Spark Conditioning on Breakdown Charge and Electrode Material under a Non-uniform Electric Field in Vacuum,” in IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 23, No. 5, pp. 3224-3230, 2016.
O. Lee, et al., “Creepage Discharge Characteristics of Solid Insulation Materials for Superconducting Power Cable,” in IEEE Transactions on Applied Superconductivity, Vol. 28, No. 3, pp. 1-4, 2018.
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