An Adaptive Overcurrent Coordination Scheme Withstanding Active Network Operations
IEEE 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
Minimising the impact of disturbances in future highly-distributed power systems [PDF]
, 2017 It is expected that future power systems will require radical distributed control approaches to accommodate the significant expansion of renewable energy sources and other flexible grid devices.
Belloni, F.R. +11 more
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Optimal Coordination of Directional Overcurrent Relays Using Hybrid Firefly–Genetic Algorithm
Energies, 2023 The application of directional overcurrent relays (DOCRs) plays an important role in protecting power systems and ensuring their safe, reliable, and efficient operation. However, coordinating DOCRs involves solving a highly constrained and nonlinear optimization problem.
Tareq Foqha +6 more
openaire +2 more sources
Optimal protection coordination of voltage-current time based inverse relay for PV based distribution system [PDF]
, 2017 Distributed energy resources (DERs) are electricity source generator to meet small scale electricity requirement. DER is gaining much importance nowadays due to its high efficiency and zero emission.
Sujatha, B.C., Tejeswini, M.V.
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Design of an intelligent system for comprehensive validation of protection settings [PDF]
, 2016 The reliable operation of protection systems depends on the correct settings of protective devices. The complexity of power networks and the large number of protection setting parameters make it extremely challenging to comprehensively validate the ...
Booth, C. +3 more
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Hybrid mixed-integer non-linear programming approach for directional over-current relay coordination
The 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
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System configuration, fault detection, location, isolation and restoration: a review on LVDC Microgrid protections [PDF]
, 2019 Low voltage direct current (LVDC) distribution has gained the significant interest of research due to the advancements in power conversion technologies. However, the use of converters has given rise to several technical issues regarding their protections
Bououden +11 more
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Assessing the reliability of adaptive power system protection schemes [PDF]
, 2012 Adaptive power system protection can be used to improve the performance of existing protection schemes under certain network conditions. However, their deployment in the field is impeded by their perceived inferior reliability compared to existing ...
Abdulhadi, Ibrahim Faiek +3 more
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Optimal Coordination of Directional Overcurrent Relays Using PSO-TVAC
Energy Procedia, 2015 AbstractThis paper presents an efficient variant of particle swarm optimization (PSO) algorithm named Time Varying Acceleration Coefficients (PSO-TVAC) to solve the optimal coordination of directional overcurrent relays (DOCRs) in a practical power system, considering the optimum pickup current (Ip) as discrete parameter and time dial setting (TDS) as ...
Mancer, Nabil. +4 more
openaire +1 more source
A novel protection scheme for an LVDC distribution network with reduced fault levels [PDF]
, 2017 Low Voltage Direct Current (LVDC) distribution is one of the new promising technologies that have the potential to accelerate the wider integration of distributed renewables.
Burt, Graeme +2 more
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