Results 1 to 10 of about 9,561 (152)

Enhanced fault protection coordination in wind-solar distribution grids utilizing improved hyper spherical search based optimization [PDF]

open access: yesScientific Reports
The incorporation of renewable energy sources (RES) into distribution networks presents considerable hurdles for protective relay coordination due to variable fault currents and swiftly altering operational conditions.
Shanti Swarup Rath   +7 more
doaj   +2 more sources

Deep Reinforcement Learning-Based Robust Protection in DER-Rich Distribution Grids

open access: yesIEEE Open Access Journal of Power and Energy, 2022
This paper introduces a new framework of deep reinforcement learning based protective relay design in power distribution systems with many distributed energy resources (DERs).
Dongqi Wu   +4 more
doaj   +1 more source

Protection Coordination Index Assessment Using Fuzzy Logic Controller

open access: yesEnergies, 2022
This paper proposes the assessment method of the protection coordination index (PCI) for overcurrent protection relay and upstream relay. The protection coordination index is an indicator of how properly the equipment is protected by protective relay ...
Choong-Koo Chang   +1 more
doaj   +1 more source

Hybrid reed: Solid-state devices are a new generation of protective relays [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2007
Research and development in the field of electromechanical protective relays has not been conducted for tens of years. Author’s approach allows viewing the problem of re-equipment of relay protection in a new way.
Gurevich Vladimir
doaj   +5 more sources

Impact of Inverter Based Resources on System Protection

open access: yesEnergies, 2021
Inverter-based resources (IBRs) exhibit different short-circuit characteristics compared to traditional synchronous generators (SGs). Hence, increased uptake of IBRs in the power system is expected to impact the performance of traditional protective ...
Aboutaleb Haddadi   +3 more
doaj   +1 more source

Testing and Evaluation of Transmission Line Relays Using Advanced Tools [PDF]

open access: yesPort Said Engineering Research Journal, 2014
Protective relays are important parts of the power system. The objective of the protection in power systems is to eliminate faults or unacceptable operating conditions for a component and related effects on the network.
H Saber   +3 more
doaj   +1 more source

Application of DIgSILENT POWERFACTORY software for modeling of industrial network relay protection system [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2016
This paper presents modeling of industrial network relay protection system using DIgSILENT PowerFactory software. The basis for the model of protection system is a model of a single substation in an industrial network.
Sučević Nikola, Milošević Dejan
doaj   +1 more source

Intelligent Control of the Energy Storage System for Reliable Operation of Gas-Fired Reciprocating Engine Plants in Systems of Power Supply to Industrial Facilities

open access: yesEnergies, 2022
Gas-fired reciprocating engine plants (GREPs) are widely used in power supply systems of industrial facilities, which allows for ensuring the operation of electrical loads in case of accidents in the power system. Operating experience attests to the fact
Pavel Ilyushin   +4 more
doaj   +1 more source

Modified integration method for amplitude estimation of fundamental frequency measuring signal for power system protection [PDF]

open access: yesTehnika, 2014
The integration method for amplitude estimation of fundamental frequency signal, using appropriate integration interval, can be used when measuring signal is composed of fundamental and high harmonics of order 2n or fundamental and high harmonics of ...
Bajić Vanja N., Đurić Milenko B.
doaj   +1 more source

Hardware-in-the-Loop Testing for Protective Relays Using Real Time Digital Simulator (RTDS)

open access: yesEnergies, 2023
With the increasing size and complexity of power systems, it is crucial to have an effective protection system in place to ensure its reliability. One of the important components of the protection system are relays. It is important for a relay to operate
Gaurav Yadav   +2 more
doaj   +1 more source

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