Optimal overcurrent relay coordination: a review

MH Hussain, SRA Rahim, I Musirin - Procedia Engineering, 2013‏ - Elsevier
This paper presents an overview on optimal overcurrent relay coordination in protection
system and protective relays. Efforts have been made to include all methods used for the …

Optimization techniques for directional overcurrent relay coordination: A comprehensive review

T Foqha, S Alsadi, O Omari, SS Refaat - IEEE Access, 2023‏ - ieeexplore.ieee.org
This paper provides a comprehensive review of optimization techniques for coordinating
directional overcurrent relays in power systems. It covers a wide range of techniques …

Adaptive modified firefly algorithm for optimal coordination of overcurrent relays

A Tjahjono, DO Anggriawan, AK Faizin… - IET Generation …, 2017‏ - Wiley Online Library
One major concern in using over current relays (OCRs) is their coordination in power system
protection to decrease the pressure of electrical equipment and avoid mal‐trip in the primary …

Adaptive directional overcurrent relay coordination using ant colony optimisation

MY Shih, CA Castillo Salazar… - IET Generation …, 2015‏ - Wiley Online Library
The coordination of directional overcurrent relays is most commonly studied based on a
fixed network topology within an interconnected power system. Due to its complexity and …

Optimal overcurrent relay coordination in interconnected networks by using fuzzy-based GA method

DS Alkaran, MR Vatani, MJ Sanjari… - … on Smart Grid, 2016‏ - ieeexplore.ieee.org
A new objective function (OF) has been proposed for mathematical formulation of directional
overcurrent (OC) relay coordination in interconnected networks. The fuzzy-based genetic …

MOPSO/FDMT‐based Pareto‐optimal solution for coordination of overcurrent relays in interconnected networks and multi‐DER microgrids

HR Baghaee, M Mirsalim… - IET Generation …, 2018‏ - Wiley Online Library
The minimisation of discrimination time between main and backup overcurrent (OC) relays is
one of the most important issues in power system relays coordination. On account of the …

An interior point method based protection coordination scheme for directional overcurrent relays in meshed networks

MN Alam, B Das, V Pant - International Journal of Electrical Power & Energy …, 2016‏ - Elsevier
In this work, interior point method based protection coordination schemes are presented for
coordinating directional overcurrent relays. Also, for minimizing the operating times of …

An adaptive protection coordination strategy utilizing user-defined characteristics of DOCRs in a microgrid

JM Tripathi, SK Mallik - Electric Power Systems Research, 2023‏ - Elsevier
The value of plug setting (PS) as well as time multiplier setting (TMS) of Directional
Overcurrent Relay (DOCR) is used to achieve the relay coordination conventionally. With the …

Optimal coordination of directional overcurrent relays using NSGA-II

Z Moravej, F Adelnia, F Abbasi - Electric Power Systems Research, 2015‏ - Elsevier
This paper presents a new method for coordination of directional overcurrent relays to
reduce the discrimination time of the primary and backup relays, by using nondominated …

Optimal directional overcurrent relay coordination using MRFO algorithm: A case study of adaptive protection of the distribution network of the Hatay province of …

O Akdag, C Yeroglu - Electric Power Systems Research, 2021‏ - Elsevier
Abstract Coordination of Directional Over Current Relays (DOCR) is an important issue in
the protection of power systems. In this paper, the object function of DOCR has been …