Results 11 to 20 of about 182 (135)

A Distribution Line Protection Scheme for Network with Distributed Generation

open access: yesJurnal Nasional Teknik Elektro, 2021
Installation of distributed generations (DGs) can cause performance degradation of distribution lines protection. Therefore, the objective of this paper is to propose a protection scheme that can be a solution for this protection line degradation..
Adrianti Adrianti   +2 more
doaj   +1 more source

Optimal Coordination of Directional Overcurrent Relays Using PSO-TVAC Considering Series Compensation

open access: yesAdvances in Electrical and Electronic Engineering, 2015
The integration of system compensation such as Series Compensator (SC) into the transmission line makes the coordination of directional overcurrent in a practical power system important and complex.
Nabil Mancer   +2 more
doaj   +1 more source

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

open access: yesAin Shams Engineering Journal, 2022
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 are plug setting current (PSC) and time multiplier setting (TMS). The
Suzana Pil Ramli   +4 more
doaj   +1 more source

Microgrid Protection through Adaptive Overcurrent Relay Coordination

open access: yesElectricity, 2021
The inclusion of distributed energy resources (DER) in Microgrids (MGs) comes at the expense of increased changes in current direction and magnitude.
Haneen Bawayan, Mohamed Younis
doaj   +1 more source

A Novel Reactive Current Injection (RCI) Control for Microgrid Protection with Inverter Based Distributed Generation (IBDG)

open access: yesEnergies, 2019
As the development of renewable distributed generations (DGs) is growing rapidly, the autonomous self-healing microgrid had emerged as an effective solution for integrating renewable DGs in the distribution networks.
Kheng Heong Oon   +4 more
doaj   +1 more source

Impact of GCSC on IDMT directional overcurrent relay in the presence of phase to earth fault [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2013
This paper presents the impact of GTO Controlled Series Capacitor (GCSC) parameters on the Inverse Definite Minimum Time (IDMT) Directional Overcurrent Relay (DOCR) based on the International Electrotechnical Commission (IEC) standards. The DOCR
Zellagui Mohamed   +3 more
doaj   +1 more source

An Adaptive Overcurrent Coordination Scheme Withstanding Active Network Operations

open access: yesIEEE Access, 2022
This paper aims to present a centralized adaptive protection scheme (APS) for the directional overcurrent relays (DOCRs) considering system dynamics such as load demand variations, topology changes and DGs to mitigate the above-mentioned effects.
Arturo Conde, Meng Yen Shih
doaj   +1 more source

Implementation of Optimal Protection Coordination for Microgrids with Distributed Generations Using Quaternary Protection Scheme

open access: yesJournal of Electrical and Computer Engineering, 2020
The flexible operation of microgrids, along with the availability of distributed generation (DG) units, causes a variety of changes in short-circuit current levels, magnitudes, and directions, which has undesirable effects on the operation of protection ...
Panida Thararak, Peerapol Jirapong
doaj   +1 more source

Optimal Coordination of Directional Overcurrent Relays in Meshed Active Distribution Network Using Imperialistic Competition Algorithm

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
The optimal setting of directional overcurrent relays (DOCRs) ensures the fault detection and clearing in the minimum possible operation time. Directional protective relaying is carried out to coordinate relay settings in a meshed network in the presence
Pegah Alaee, Turaj Amraee
doaj   +1 more source

Hybrid mixed-integer non-linear programming approach for directional over-current relay coordination

open access: yesThe Journal of Engineering, 2019
This article proposes the optimal coordination problem of protective relays within a hybrid optimisation framework which is presented based on integer coded genetic algorithm (ICGA) and non-linear programming (NLP).
Mohammad Sadegh Javadi   +4 more
doaj   +1 more source

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