Results 91 to 100 of about 235,466 (206)
, 2013 Este trabalho propõe uma metodologia baseada em técnicas inteligentes capaz de fornecer uma coordenação otimizada de relés direcionais de sobrecorrente instalados em sistemas de energia elétrica.
Bernardes, Wellington Maycon Santos +1 more
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, 2019 In power systems protection, the optimal coordination of directional overcurrent relays (DOCRs) is of paramount importance. The coordination of DOCRs in a multi-loop power system is formulated as an optimization problem.
Abdul Wadood +5 more
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International Journal of Electrical Power & Energy SystemsProtection coordination is typically approached considering the main network configuration. Nevertheless, contingencies such as generator or line failures may disrupt power grids.
Talal Elemamali Sati +2 more
doaj +1 more source
, 2021 An exponential increase in diverse load demand in the last decade has influenced the integration of more power plants into the power system. This increases the fault current due to the bidirectional flow of current, resulting in unwanted tripping of the ...
Usama, Muhammad +6 more
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Real time coordination of overcurrent relays by means of optimization algorithm. [PDF]
, 2013 Protection is widely used in all different voltage levels of the electrical power system: generation, transmission, sub-transmission and distribution etc.
Yen Shih, Meng
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Wind power plants protection using overcurrent relays
, 2014 Wind power plants are one of the most crucial types of renewable energies which are increasingly employed in smart grids with purpose of power generation especially as a distribution generation system.
Rezaei, Nima +9 more
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Current only directional overcurrent protection for distribution automation using neural network
, 2013 Overcurrent relays are widely used for power systems protection. Transmission side uses more directional type relays, while distribution systems, e.g., radial and ring-main subtransmission systems use non-directional types.
Kamala, AR, Ukil, Abhisek
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NUMERICAL DIRECTIONAL OVERCURRENT PROTECTION FOR POWER DISTRIBUTION NETWORK [PDF]
, 2007 The studypropose the use of symmetrical-phase-sequence which combine both fault direction and inverse time response characteristics of overcurrent protection in determiningfault direction with high sensitivity in parallel transmission lines ...
AHMAD, MUHAMMAD NURULDIN
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, 2018 : Directional overcurrent elements, both phase and ground, are widely used as backup protection for transmission lines in interconnected power systems around the world.
Jaramillo Serna, José +1 more
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EnergiesMicrogrids (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