Power system protection with digital overcurrent relays: A review of non-standard characteristics

HC Kiliçkiran, İ Şengör, H Akdemir, B Kekezoğlu… - Electric Power Systems …, 2018 - Elsevier
Power systems are experiencing structural changes induced by the integration of distributed
generation units and the operation of microgrids. This transformation has posed new …

Protective relaying coordination in power systems comprising renewable sources: challenges and future insights

AM Agwa, AA El-Fergany - Sustainability, 2023 - mdpi.com
This article provides a comprehensive review of optimal relay coordination (ORC) in
distribution networks (DNs) that include distributed generators (DGs). The integration of DGs …

[HTML][HTML] Hybrid Harris hawks optimization with sequential quadratic programming for optimal coordination of directional overcurrent relays incorporating distributed …

SK ElSayed, EE Elattar - Alexandria Engineering Journal, 2021 - Elsevier
This paper presents a new hybrid algorithm of Harris hawks' optimization with sequential
quadratic programming (HHO-SQP) for optimal coordination of directional overcurrent relays …

Dual-setting directional overcurrent relays for protecting automated distribution networks

A Yazdaninejadi, S Golshannavaz… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
This paper elaborates a new protection scheme based on dual-setting DOCRs for
automated distribution networks. In this course, the reduction in relays operation time …

Coordination of directional overcurrent relays in the interconnected power systems using effective tuning of harmony search algorithm

VN Rajput, KS Pandya - Sustainable Computing: Informatics and Systems, 2017 - Elsevier
In the optimum coordination of Directional Overcurrent Relays (DOCRs), the appropriate
relay settings, namely, Plug Setting (PS) and Time Multiplier Setting (TMS), are selected to …

Optimal coordination of standard and non-standard direction overcurrent relays using an improved moth-flame optimization

A Korashy, S Kamel, T Alquthami, F Jurado - IEEE Access, 2020 - ieeexplore.ieee.org
In this paper, an efficient optimization technique, called improved moth-flame optimization
(IMFO) is proposed to improve the performance of conventional Moth-flame optimization …

[HTML][HTML] Optimal coordination of directional overcurrent relays using hybrid fractional computing with gravitational search strategy

Y Muhammad, MAZ Raja, MAA Shah, SE Awan… - Energy Reports, 2021 - Elsevier
The protection system has a vital role in subsystems of the power network including the
generation, transmission and distribution system. This system combines several types of …

Optimal coordination of directional overcurrent relays using improved mathematical formulation

VN Rajput, F Adelnia, KS Pandya - … Generation, Transmission & …, 2018 - Wiley Online Library
Achieving optimum coordination of directional overcurrent relays is a very complicated task
in the large interconnected system including huge numbers of relays. In the literature …

Enhanced differential evolution algorithm for coordination of directional overcurrent relays

MY Shih, AC Enríquez, TY Hsiao… - Electric Power Systems …, 2017 - Elsevier
This paper presents an enhanced differential evolution algorithm (DE) for solving the
directional overcurrent relay (DOCR) coordination problem. Comparisons among different …

Various metaheuristic-based algorithms for optimal relay coordination: Review and prospective

M El-kordy, A El-fergany, AFA Gawad - Archives of Computational …, 2021 - Springer
The coordinated or selective power system can be considered as a sequence procedure
among two protective devices installed in series and having certain features. The …