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Coordination of Directional Overcurrent Relays Using Seeker Algorithm

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1 Author(s)
Amraee, T. ; Fac. of Power Eng., K.N. Toosi Univ. of Technol., Tehran, Iran

Coordination of directional overcurrent relays in a multiloop subtransmission or distribution network is formulated as an optimization problem. In this paper, the coordination of directional overcurrent relays is formulated as a mixed-integer nonlinear programming problem and is then solved by a new seeker optimization technique. Based on the act of human searching, in the proposed seeker technique, the search direction and step length are determined in an adaptive way. The proposed method is implemented in three different test cases. The results are compared with previously proposed analytic and evolutionary approaches.

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Power Delivery, IEEE Transactions on  (Volume:27 ,  Issue: 3 )