Optimal coordination of directional overcurrent relays in complex distribution networks using sine cosine algorithm

K Sarwagya, PK Nayak, S Ranjan - Electric Power Systems Research, 2020 - Elsevier
The modern power distribution networks are very complex due to the growing integration of
distributed generators in recent years. Optimal coordination of directional overcurrent relays …

Optimized adaptive protection coordination of microgrids by dual-setting directional overcurrent relays considering different topologies based on limited independent …

A Ataee-Kachoee, H Hashemi-Dezaki… - Electric Power Systems …, 2023 - Elsevier
Several studies, such as adaptive protection schemes, have been done in the area of smart
grids' protection. However, there is a research gap in developing an adaptive scheme with …

An improved simulated annealing–linear programming hybrid algorithm applied to the optimal coordination of directional overcurrent relays

AA Kida, AEL Rivas, LA Gallego - Electric power systems research, 2020 - Elsevier
The coordination of directional overcurrent relays (DOCRs) is a constrained and nonlinear
optimization problem which consists in finding suitable plug and time dial settings so that the …

[HTML][HTML] Optimal coordination of directional overcurrent relay based on combination of Firefly Algorithm and Linear Programming

SP Ramli, H Mokhlis, WR Wong, MA Muhammad… - Ain Shams Engineering …, 2022 - Elsevier
Optimal coordination and settings of directional overcurrent relays (DOCRs) are crucial task
to ensure reliable and effective protection in power system networks. The settings of DOCRs …

Soft computing methods for attaining the protective device coordination including renewable energies: review and prospective

A Draz, MM Elkholy, AA El-Fergany - Archives of Computational Methods …, 2021 - Springer
The optimized coordination of directional over current relays (DOCRs) in power systems is
still a challenging task. This optimization problem has been augmented in the literature …

An improved optimal solution for the directional overcurrent relays coordination using hybridized whale optimization algorithm in complex power systems

T Khurshaid, A Wadood, SG Farkoush, J Yu… - IEEE …, 2019 - ieeexplore.ieee.org
The directional overcurrent relays (DOCRs) coordination is a useful tool in guaranteeing the
safe protection of the power system by the proper coordination of primary and backup …

An optimized adaptive protection scheme for numerical and directional overcurrent relay coordination using Harris hawk optimization

M Irfan, A Wadood, T Khurshaid, BM Khan, KC Kim… - Energies, 2021 - mdpi.com
The relay coordination problem is of dire importance as it is critical to isolate the faulty
portion in a timely way and thus ensure electrical network security and reliability. Meanwhile …

Optimal coordination of directional overcurrent relays using hybrid firefly–genetic algorithm

T Foqha, M Khammash, S Alsadi, O Omari, SS Refaat… - Energies, 2023 - mdpi.com
The application of directional overcurrent relays (DOCRs) plays an important role in
protecting power systems and ensuring their safe, reliable, and efficient operation. However …

Optimized protection coordination of smart grids considering N-1 contingency based on reliability-oriented probability of various topologies

S Sadeghi, H Hashemi-Dezaki… - Electric Power Systems …, 2022 - Elsevier
The optimized protection system is critical in the design of microgrids (MGs) and smart grids
(SGs). Different studies have tried to respond to MGs protection challenges, such as the …

Optimal directional overcurrent relay coordination based on computationalintelligence technique: A review

SP Ramli, M Usama, H Mokhlis… - Turkish Journal of …, 2021 - journals.tubitak.gov.tr
An exponential increase in diverse load demand in the last decade has influenced the
integration of more power plants into the power system. This increases the fault current due …