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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.13 No.3
- 발행연도
- 2018.5
- 수록면
- 1,043 - 1,051 (9page)
이용수
초록· 키워드
오류제보하기
The coordination of directional overcurrent relay (DOCR) is employed in this work, considering gray wolf optimizer (GWO), a recently designed optimizer that employs the hunting and leadership attitude of gray wolves for searching a global optimum. In power system protection coordination problem, the objective function to be optimized is the sum of operating time of all the main relays. The coordination of directional overcurrent relays is formulated as a linear programming problem. The proposed optimization technique aims to minimize the time dial settings (TDS) of the relays. The calculation of the Time Dial Setting (TDS) setting of the relays is the core of the coordination study. In this article two case studies of IEEE 6-bus system and IEEE 30-bus system are utilized to see the efficiency of this algorithm and the results had been compared with the other algorithms available in the reference and it was observed that the proposed scheme is quite competent for dealing with such problems. From analyzing the obtained results, it has been found that the GWO approach provides the most globally optimum solution at a faster convergence speed. GWO has achieved a lot of relaxation due to its easy implementation, modesty and robustness. MATLAB computer programming has been applied to see the effectiveness of this algorithm.
목차
Abstract
1. Introduction
2. Coordination Problem Formulation
3. Gray Wolf Optimizer
4. Objective Function Used During the Implementation
5. Result and Discussion
6. Conclusion
References
참고문헌 (32)
참고문헌 신청
Anderson, P. M. Power System Protection ? Part IV: Reliability of Protection Systems. 1999.
M. H. Dwarakanath and L. Nowtiz, “An application of linear graph theory for coordination of directional overcurrent relays,” Proc. Elect. Power Problems-Math conf. Seattle, WA, vol. 1, pp. 104-114, 1980.
R. Thangaraj, M. Pant and K. Deep, “Optimal coordination of over-current relays using modified differential evolution algorithms,” Engineering Applications of Artificial Intelligence, vol. 23, pp. 820-829, 2010.
M. Ezzeddine, R. Kaczmarek and M. U. Iftikhar, “Coordination of directional overcurrent relays using a novel method to select their settings,” IET generation, transmission & distribution, vol. 5, pp. 743-750, 2011.
P. P. Bedekar, S. R. Bhide, “Optimum coordination of directional overcurrent relays using the hybrid GANLP approach,” IEEE Trans. Power Delivery, vol. 26, pp. 109-119, 2011.
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