The addition of distributed generation to a power system improves its performance. It makes
it more sustainable and efficient. But it also poses substantial challenges for designing a …

The optimization of overcurrent relays' operation is a topic associated with protection
coordination of distribution networks. Usually, this refers to medium-voltage networks, since …

In this paper, an improved bio-inspired optimization algorithm called Seagull Optimization
Algorithm (ISOA) is proposed. ISOA is developed based on three techniques, these …

This paper presents a new hybrid algorithm of Harris hawks' optimization with sequential
quadratic programming (HHO-SQP) for optimal coordination of directional overcurrent relays …

In this article, a new hybrid metaheuristic optimization algorithm is proposed to solve the
coordination problem of directional overcurrent relays (DOCRs). The proposed algorithm is …

Optimal protection coordination is usually solved for the original network topology with all
lines, loads, and generation intact. However, power grids may experience contingencies …

Abstract Integration of the Distributed Generators (DGs) in the MicroGrid (MG) provides an
additional contribution to the fault current causing change of the short circuit current which …

This work proposes a methodology for directional overcurrent protection coordination in
interconnected transmission systems considering a possible network contingency state. The …

In this paper, a novel method for optimizing and coordinating directional overcurrent relays
in active distribution networks considering thermal equivalent short-circuit current is …

In the present paper, dual usable feasible direction-finding nonlinear programming
associated with metaheuristic approaches is applied to directional overcurrent relay …