Results 231 to 240 of about 792,099 (261)

OPTIMUM TIME COORDINATION OF DIRECTIONAL OVERCURRENT RELAYS USING CVX, GAMS AND GENETIC ALGORITHM

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020), 2020
This paper proposes new optimization techniques to obtain optimal values of Time Multiplier Setting (TMS) for directional overcurrent relays (DOCRs) in a protection scheme.
Radhwan Mohammed Saleem Dawood, Maher Al-Greer, Ahmed Gailani, G. Pillai   +3 more
semanticscholar   +1 more source

Extended coverage of screen-printed graphite electrodes by spark discharge produced gold nanoparticles with a 3D positioning device. Assessment of sparking voltage-time characteristics to develop sensors with advanced electrocatalytic properties

Electrochimica Acta, 2019
Graphite screen-printed electrodes (SPEs) were modified with gold nanoparticles (AuNPs) produced by electric spark discharge between the SPE and a gold-silicon eutectic alloy (eAu/Si) tip electrode, under atmospheric conditions at 1.2 kV DC using a fully
Maria G. Trachioti, Eleni I. Tzianni, D. Riman, J. Jurmanová, M. Prodromidis, J. Hrbáč   +5 more
semanticscholar   +1 more source

Optimal user-defined directional overcurrent relay coordination considering different operating modes of microgrid

International Journal of Green Energy
A microgrid’s fault current magnitude depends on its operational mode, specifically whether it is grid-connected or islanded. Typically, we deploy distinct protection schemes based on the fault current magnitude in a given mode.
Raghvendra Tiwari, Roshan Chitranshi, Devesh Jaiswal, Parul Dubey   +3 more
semanticscholar   +1 more source

An analysis of time current characteristics of adaptive inverse definite minimum time (IDMT) overcurrent relay for symmetrical and un-symmetrical faults

2017 International Conference on Smart grids, Power and Advanced Control Engineering (ICSPACE), 2017
The paper presents the analysis of the time current characteristics (TCC) of the IDMT overcurrent relays. Overcurrent relays are subjected to the change in conditions of time delay (TD), Pickup settings and PSM (Plug Setting Multiplier) which are an ...
S. Acharya, S. Jha, Ravi Shrestha, Asim Pokhrel, Bharat Bohara   +4 more
semanticscholar   +1 more source

Optimal coordination of directional overcurrent protection relays using hybrid optimizer

Engineering Research Express
In order to minimize or maximize an objective function, electrical engineering problems might benefit from optimization methodologies inspired by nature.
Kashif Habib, Abdul Wadood, Tang Wei, Shahbaz Khan, Xu Xing   +4 more
semanticscholar   +1 more source

Fourier multiplier on noncommutative torus and its applications to nonlinear equations

Mathematische Zeitschrift
S. Shaimardan, R. Tastankul, K. Tulenov
semanticscholar   +1 more source

Convex Searches for Discrete-Time Zames–Falb Multipliers

IEEE Transactions on Automatic Control, 2020
Joaquin Carrasco Gomez, William P Heath, Shuai Wang   +2 more
exaly  

Hybrid GA-IPM algorithm for optimal protection coordination of directional overcurrent relays with mixed time current characteristic curves

Electrical Engineering
Mahamad Nabab Alam, Tahir Khurshaid, S. Rhee   +2 more
semanticscholar   +1 more source

Historical evidence for larger government spending multipliers in uncertain times than in slumps

Economic Inquiry, 2022
Pascal Goemans
exaly  

On the necessity and sufficiency of discrete-time O’Shea–Zames–Falb multipliers

Automatica, 2023
Lanlan Su, Joaquin Carrasco Gomez, Peter Seiler   +2 more
exaly