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
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.12 No.6
- 발행연도
- 2017.11
- 수록면
- 2,118 - 2,126 (9page)
이용수
초록· 키워드
오류제보하기
The large-scale power system blackouts have indicated that conventional protection relays that based on local signals cannot fit for modern power grids with complicated setting or heavily loaded-flow transfer. In order to accurately detect various faulted lines and improve the fault-tolerance of wide-area protection, a novel multi-section weighed fault matching and detecting algorithm is proposed. The real protection vector (RPV) and expected section protection vectors (ESPVs) for five fault sections are constructed respectively. The function of multi-section weighed fault matching is established to calculate the section fault matching degrees between RPV and five ESPVs. Then the fault degree of protected line based on five section fault degrees can be obtained. Two fault detecting criterions are given to support the higher accuracy rate of detecting fault. With the enumerating method, the simulation tests illustrate the correctness and fault-tolerance of proposed algorithm. It can reach the target of 100% accuracy rate under 5 bits error of wide-area protections. The influence factors of fault-tolerance are analyzed, which include the choosing of wide-area protections, as well as the topological structures of power grid and fault threshold.
목차
Abstract
1. Introduction
2. The Wide-area Backup Protection Vectors
3. Multi-section Weighed Fault Matching model
4. Multi-section Weighed Fault Matching Algorithm Using Wide-area Backup Protections
5. Simulation Cases
6. The Analysis of Fault Tolerance
7. Conclusion
References
참고문헌 (25)
참고문헌 신청
I. Bertil, L. Per-Olof, K. Daniel, R. Goran and S. Jan-Olov, “Wide-area Protection against Voltage Collapse,” IEEE Computer Application in Power, vol.10, no.4, pp.30-35, Oct. 1997.
Y. Serizawa, H. Imamura, M. Kiuchi, “Performance Evaluation of IP-based Relay Communications for Wide-area Protection Employing External Time Synchronization,” IEEE Power Engineering Society Summer Meeting, Tokyo, Japan, July 2001.
R. Giovanini, K. Hopkinson, D. V. Coury, J. Thorp, “A Primary and Backup Cooperative Protection System Based on Wide Area Agents,” IEEE Trans. on Power Delivery, vol. 21, no. 3, pp. 1222-1230, July 2006.
M. Begovic, “Trends in Power System Wide Area Protection,” IEEE PES Power Systems Conference and Exposition, vol. 3, pp. 1612-1613, Atlanta, GA, 2004.
Phadke A G and Thorp J S, “Expose hidden failures to prevent cascading outages,” IEEE Computer Application in Power, vol. 9, no. 3, pp. 20-23, Jul. 1996.
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