Results 1 to 10 of about 26,961 (167)

Impact of Harmonic Currents of Nonlinear Loads on Power Quality of a Low Voltage Network–Review and Case Study

open access: yesEnergies, 2021
The paper presents a power-quality analysis in the utility low-voltage network focusing on harmonic currents’ pollution. Usually, to forecast the modern electrical and electronic devices’ contribution to increasing the current total harmonic distortion ...
Łukasz Michalec   +5 more
doaj   +3 more sources

Prediction of the true harmonic current contribution of nonlinear loads using NARX neural network

open access: yesAlexandria Engineering Journal, 2018
This paper presents a method to predict the load current harmonics injected into micro grid power systems using Nonlinear Auto Regressive neural networks with eXogenous input (NARX neural network).
A.Y. Hatata, M. Eladawy
doaj   +3 more sources

A method for determining arc breakdown in low-voltage electrical networks [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2023
In low voltage distribution networks, there is a high risk of fires caused by wiring faults that lead to short circuits. Arcing protection devices (ARCs) already exist, but experiments show that they also often do not disable such faults.
Rashevskaya Marina   +3 more
doaj   +1 more source

Matpower-Based Harmonic Power Flow Analysis for Power Systems With Passive Power Filters

open access: yesIEEE Access, 2021
As an open-source MATLAB-based power system simulation package, MATPOWER has been proven to have an adjustable feature that supports modifications to solve specific problems in power systems.
Nien-Che Yang, Eunike Widya Adinda
doaj   +1 more source

The method of limitation of dynamic loads of nonlinear electromechanical systems under state vector robust control

open access: yesElectrical engineering & Electromechanics, 2022
Aim. Development of the method of limitation of dynamic loads of nonlinear electromechanical systems under state vector robust control. Methodology.
B. I. Kuznetsov   +5 more
doaj   +1 more source

The Effect of Ultrasonic Alternating Loads on Restoration of Permeability of Sedimentary Rocks during Crude Paraffinic Oil Flow

open access: yesApplied Sciences, 2023
This paper presents the results of experimental studies on the filtration of reservoir fluid through the rocks under the influence of nonlinear loads. A laboratory rig is assembled that allows for modeling the flow of fluid from the reservoir into the ...
Evgenii Riabokon   +5 more
doaj   +1 more source

NONLINEAR SIMULATION OF MASONRY VAULTS UNDER EARTHQUAKE LOADING [PDF]

open access: yesProceedings of the 8th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2015), 2021
Masonry vaults are present in a large number of historical structures and often used as flooring and roofing systems in monumental palaces and religious buildings, typically incorporating no backfill. Many of these structures are located in seismic regions and have been shown to be particularly vulnerable during recent earthquakes, with a need for ...
Plavsic, A   +6 more
openaire   +6 more sources

Performance Comparison of a Typical Nonlinear Load Supplied by ac and dc Voltages [PDF]

open access: yesEAI Endorsed Transactions on Energy Web, 2020
This paper presents a performance comparison of a typical nonlinear load when supplied by ac or dc voltages with the same rms value. The performance of the nonlinear load towards its connection to ac and dc power grids is accomplished in terms of the ...
Tiago Sousa   +3 more
doaj   +1 more source

Scheduling nonlinear computational loads [PDF]

open access: yesIEEE Transactions on Aerospace and Electronic Systems, 2008
A scheduling model for a tree network is studied where the computation time for each node is nonlinear in the size of the assigned load. Optimal load allocation and speedup for simultaneous load distribution for a quadratic nonlinearity are obtained using simple equations.
null Jui Tsun Hung, T.G. Robertazzi
openaire   +1 more source

A coordinating harmonic suppression strategy of a DC microgrid

open access: yesThe Journal of Engineering, 2019
Here, a coordinating harmonic suppression strategy of a DC microgrid was proposed. The harmonics introduced from the connected grid and those generated by local non-linear loads were both considered and evaluated.
Hailiang Xu   +4 more
doaj   +1 more source

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