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.
이용수
초록· 키워드
오류제보하기
Coercion transformer is commonly used in the electrical grid which in three phase of distribution system. The accident of the electrical grid is divided into a single, a double, a third line-to-ground faults and a double, a third line-to-line faults. A single line-to-ground fault accounts for nearly 75[%] among them. In this research, when a Superconducting Fault Current Limiters (SFCL) was applied to the three phase power system, operation in a single line-to-ground fault and limiting characteristics of fault current according to turns ratio of third winding were analyzed. When a single line-to-ground fault happened, secondary winding’s circuit was open. Then third winding’s circuit with a SFCL was closed. So fault current was limited by diverted circuit. At this time, we could find out that size of the limited fault current could be changed according to third winding rate. We confirmed that limiting operation of the fault current was carried out within one-period. These results will be utilized in adjusting the size of the SFCL.
목차
Abstract
1. Introduction
2. Maintain
3. Conclusion
Reference
참고문헌 (8)
참고문헌 신청
T. Hara / 1993 / Development of a new 6.6kV/1500A class superconducting fault current limiter for electric power system / IEEE Trans, Appl. Power Delivery 8(1):188~198
H. S. Choi / 2001 / Quench characteristics of resistive superconducting fault current limiters based on YBCO films / Physica C 351:415~420
H. R. Kim / 2001 / Ini-tial quench development in uniform Au/Y-Ba-Cu-O thin films / IEEE Trans, Appl. Superconduct 11:2414~2417
H. S. Choi / 2002 / Switching properties of hybrid type superconducting fault current limiter using YBCO stripes / IEEE Trans, Appl. Superconduct 12:1833~1838
H. R. Kim / 2008 / Recovery in superconducting fault current limiters at low applied voltages / IEEE Trans. Appl. Superconduct 18(2):656~659
H. S. Choi / 2001 / Quench characteristics of resistive superconducting fault current limiters based on YBCO films / Physica C 351:415~420
H. R. Kim / 2001 / Ini-tial quench development in uniform Au/Y-Ba-Cu-O thin films / IEEE Trans, Appl. Superconduct 11:2414~2417
H. S. Choi / 2002 / Switching properties of hybrid type superconducting fault current limiter using YBCO stripes / IEEE Trans, Appl. Superconduct 12:1833~1838
H. R. Kim / 2008 / Recovery in superconducting fault current limiters at low applied voltages / IEEE Trans. Appl. Superconduct 18(2):656~659
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UCI(KEPA) : I410-ECN-0101-2014-500-003299476