지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국조명·전기설비학회 조명·전기설비학회논문지 Journal of the Korean Institute of Illuminating and Electrical Installation Engineers Vol.20 No.9
- 발행연도
- 2006.11
- 수록면
- 70 - 77 (8page)
이용수
초록· 키워드
오류제보하기
We have fabricated an integrated three-phase flux-lock type SFCL, which consists of an YBCO(YBa₂Cu₃O?) thin film and a flux-lock reactor wound around an iron core of each phase. In order to apply the SFCL in a real power system, fault analyses for the three-phase system are essential. The short-circuit currents were effectively limited by adjusting the numbers of winding of each secondary coil and their winding directions. The flux flow generated in the iron core cancelled out under the normal operation due to the parallel connection between primary and secondary windings. However, the flux-lock type SFCL with same iron core was operated just after the fault due to the flux generating in the iron core. To analyze the current limiting characteristics, the additive polarity winding was compared with the subtractive one in the flux lock reactor. Whenever a single line-to-ground fault occurred in any phase, the peak value of the line current of the fault phase in the additive polarity winding increased up to about 12.87 times during the first-half cycle. On the other hand, the peak value in the subtractive polarity winding increased up to about 34.07 times under the same conditions. This is because the current flow between the primary and the secondary windings changed to additive or subtractive status according to the winding direction. We confirmed that the current limiting behavior in the additive polarity winding was more effective for a single-line-to-ground fault
목차
Abstract
1. Introduction
2. Structure and operational principle
3. Experimental results and discussions
4. Conclusion
Acknowledgement
References
Biography
참고문헌 (4)
참고문헌 신청
W. Paul, M. Chen, M. Lakner, J. Rhyner, D. Braun, W. lanz. “Fault current limiter based on high temperature superconductors different concepts, test results, simulations”, applications. Physica C, pp. 27-33, 2001.
Yamaguchi M, Fukui S, Satoh T, Kaburaki Y, Horikawa T, Honjo T. “Performance of DC reactor type fault current limiter using high-superconducting coil”. IEEE Trans Appl Supercond, Vol.9, pp. 940-943, 1999.
Sung-Hun Lim, Hyo-Sang Choi, Byoung-Sung Han. “Fault current limiting characteristics due to winding direction between coil 1 and coil 2 in a flux-lock type SFCL”. Physica C, Vol. 416, pp. 34-42, 2004.
Choi Hyo-Sang, Kim Hye-Rim, Hyun Ok-Bae. “Operating properties of superconducting fault limiters based on YBCO thin films”. Cryogenics, Vol. 41, pp. 163-167 2001.
Yamaguchi M, Fukui S, Satoh T, Kaburaki Y, Horikawa T, Honjo T. “Performance of DC reactor type fault current limiter using high-superconducting coil”. IEEE Trans Appl Supercond, Vol.9, pp. 940-943, 1999.
Sung-Hun Lim, Hyo-Sang Choi, Byoung-Sung Han. “Fault current limiting characteristics due to winding direction between coil 1 and coil 2 in a flux-lock type SFCL”. Physica C, Vol. 416, pp. 34-42, 2004.
Choi Hyo-Sang, Kim Hye-Rim, Hyun Ok-Bae. “Operating properties of superconducting fault limiters based on YBCO thin films”. Cryogenics, Vol. 41, pp. 163-167 2001.
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UCI(KEPA) : I410-ECN-0101-2009-565-016502171