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 …

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 …

User-defined dual setting directional overcurrent relays with hybrid time current-voltage characteristics-based protection coordination for active distribution network

L Hong, M Rizwan, M Wasif, S Ahmad, M Zaindin… - IEEE …, 2021 - ieeexplore.ieee.org
With the penetration of renewable energy sources based distributed generation (RES-DG) in
the distribution network (DN), the operating time of protection relays becomes a major …

An adaptive overcurrent protection scheme for dual-setting directional recloser and fuse coordination in unbalanced distribution networks with distributed generation

M Yousaf, A Jalilian, KM Muttaqi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The recloser–fuse coordination of the distribution networks (DNs) equipped with distributed
generators may be jeopardized by using the conventional overcurrent protection strategies …

Impact of inverter-based DERs integration on protection, control, operation, and planning of electrical distribution grids

A Yazdaninejadi, A Hamidi, S Golshannavaz… - The Electricity …, 2019 - Elsevier
The swift technological progress of inverter-based distributed energy resources (IBDERs)
has led to proliferation of such DERs in electric power grids. Despite sequel of advantages …

A Novel Multi-Objective Protection Coordination Scheme for a Microgrid with Optimal Deployment of Dual-Setting ROCOV Based Relays

PK Gupta, P Niranjan, NK Choudhary… - … and Control of …, 2024 - ieeexplore.ieee.org
Relay coordination is crucial in electrical power systems to protect against malfunctions and
damage caused by unexpected events like short circuits. To address the challenge …

A pilot-based distance protection scheme for meshed distribution systems with distributed generation

AM Tsimtsios, GN Korres, VC Nikolaidis - International Journal of Electrical …, 2019 - Elsevier
This paper proposes a pilot-based distance protection scheme for meshed distribution
systems with a high penetration of distributed generation. The proposed scheme assumes …

An advanced dual-setting protection scheme for microgrid resilience based on nonstandard trip** characteristics of overcurrent relays

F Alasali, N El-Naily, AS Saidi, A Itradat… - Electric Power Systems …, 2023 - Elsevier
Nowadays, the capacity of Distributed Generation (DG) in the power network is increasing,
which increases the challenges and complexity of having a fast and reliable power …

Augmenting protection coordination index in interconnected distribution electrical grids: Optimal dual characteristic using numerical relays

S Dadfar, M Gandomkar - International Journal of Electrical Power & Energy …, 2021 - Elsevier
One of the most significant tasks of protection coordination of power networks is the
satisfaction of coordination between protective equipment. With growing penetration level of …