Results 101 to 110 of about 1,625 (202)

Improved Firefly Algorithm for the Optimal Coordination of Directional Overcurrent Relays

open access: yesIEEE Access, 2019
In an electrical power network linear and non-linear models are used for directional overcurrent relay (DOCR) coordination issue by applying different heuristic techniques.
Tahir Khurshaid   +5 more
doaj   +1 more source

Opportunity for using WLAN with IEC 61850 and the future of this protocol [PDF]

open access: yes, 2017
The unified protocols are unified in application interface, models, and seamless. They generate one standard protocol, one world called IEC 61850. IEC 61850 integrate the security, interoperability, modelling, mapping to a substation, and reliability ...
Aker, E.   +5 more
core  

Optimal directional overcurrent relay settings for stable microgrids with synchronous and inverter-based resources

open access: yesInternational Journal of Electrical Power & Energy Systems
Microgrid (MG) is a small-scale system that offers on-site energy production and storage capabilities, allowing for the seamless integration of different technology-driven distributed energy resources (DERs), including inverter-based and synchronous ...
Abdelfattah A. Eladl   +4 more
doaj   +1 more source

Optimal Microgrid Protection Coordination for Directional Overcurrent Relays Through Mixed-Integer Linear Optimization

open access: yesEnergies
Microgrids (MGs) are revolutionizing modern power systems by enabling decentralized energy production, renewable energy integration, and enhanced grid resilience. However, the increasing complexity of MGs, particularly with the integration of Distributed
León F. Serna-Montoya   +3 more
doaj   +1 more source

Solving Directional Overcurrent Relay Coordination Problem Using Artificial Bees Colony

open access: yes, 2014
{"references": ["M. Singh, B.K. Panigrahi and A.R. Abhyankar, \"Optimal coordination of directional over-current relays using Teaching Learning-Based Optimization (TLBO) algorithm\", Electrical Power and Energy Systems, vol. 50, 2013, pp. 33\u201341.", "O. Aliman, I.
M. H. Hussain   +3 more
openaire   +1 more source

Intelligent system for detecting "hidden" errors in protection settings [PDF]

open access: yes, 2012
Due to many developments taking place within the electricity supply industry, the network and its operation has grown ever more in recent years, which brings significant challenges for power system protection engineers. Apart from the significant efforts
Booth, Campbell   +2 more
core  

Coordinación de relés de sobrecorriente en sistemas de distribución con penetración de generación distribuida [PDF]

open access: yes, 2015
Tradicionalmente los sistemas de distribución han sido diseñados en forma radial lo que ocasiona que circulen flujos de potencia en una sola dirección.
Bedoya Toro, Martha Yessica Vanessa   +1 more
core  

Application of Advanced Early Warning Systems with Adaptive Protection [PDF]

open access: yes, 2015
This project developed and field-tested two methods of Adaptive Protection systems utilizing synchrophasor data. One method detects conditions of system stress that can lead to unintended relay operation, and initiates a supervisory signal to modify ...
Ashrafi, Frank   +7 more
core  

Recent Developments of Directional Overcurrent Relay Coordination in Ring Distribution Network Based on Hybrid Optimization Techniques

open access: yesIEEE Access
As power distribution systems evolve from conventional radial structures to more complex ring networks, driven by the widespread integration of distributed generation (DG), the challenge of ensuring reliable and effective protection becomes increasingly ...
Annas Alamshah   +6 more
doaj   +1 more source

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