Optimal directional overcurrent relay coordination using MRFO algorithm: A case study of adaptive protection of the distribution network of the Hatay province of Turkey

被引:35
作者
Akdag, Ozan [1 ]
Yeroglu, Celaleddin [1 ]
机构
[1] Inonu Univ, Engn Fac, Comp Engn, Malatya, Turkey
关键词
Directional over current relays; Wind energy; Adaptive protection; Optimization; DISTRIBUTION-SYSTEMS;
D O I
10.1016/j.epsr.2020.106998
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Coordination of Directional Over Current Relays (DOCR) is an important issue in the protection of power sys-tems. In this paper, the object function of DOCR has been modified for better coordination. Manta Ray Foraging Optimization (MRFO) algorithm is adapted to the DOCR with the modified object function to maintain optimum relay coordination by preserving the relay coordination margin between the relay pairs. In order to show the success of the proposed technique, the algorithm has been applied to the 9-bus and 15-bus test system. The obtained results have been compared to other algorithms in the literature. Further, an adaptive protection structure, which provides optimum coordination of DOCR with MRFO algorithm according to changing power system conditions, has been proposed for a network that include Distributed Generation (DG) power plant. The proposed adaptive protection structure has been applied to the virtual model of a cross-section of 10 bus dis-tribution networks that includes a Wind Powered DG (WP-DG) in the Hatay province of Turkey.
引用
收藏
页数:11
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