Results 1 to 10 of about 7,984 (191)

Simulación del campo electromagnético en una línea de transmisión de extra alto voltaje mediante el método de los elementos finitos

open access: yesMaskay, 2021
En el presente artículo se presentan los resultados de las simulaciones del campo electromagnético en la Línea de Transmisión de 500 kV San Rafael – El Inga mediante el Método de los elementos finitos en el programa FEMM.
Krissia Cabezas   +3 more
doaj   +1 more source

Machine Learning Approach for Diagnosis and Prognosis of Cardiac Arrhythmia Condition Using a Minimum Feature Set and Auto-Segmentation-Based Window Optimisation

open access: yesElektronika ir Elektrotechnika, 2023
Cardiovascular diseases have become extremely prevalent in the global population. Several accurate classification methods for arrhythmias have been proposed in the healthcare literature.
Swetha Rameshbabu, Sabitha Ramakrishnan
doaj   +1 more source

Measuring Hysteresis Loop and Optimization of the Stator Tooth Width in the Permanent Magnet Synchronous Machine [PDF]

open access: yesTransactions of the VŠB-Technical University of Ostrava, Mechanical Series, 2013
The first part of this paper deals with the measuring of hysteresis loop of the toroidal shape core. LabVIEW software is used to automate this process.
Zdeněk NOVÁK   +2 more
doaj   +1 more source

Diagnostically Oriented Experiments and Modelling of Switched Reluctance Motor Dynamic Eccentricity

open access: yesSensors, 2021
The article compares the results of experimental and modelling research of switched reluctance motor at two different operational states: one proper and one with mechanical fault, i.e., with dynamic eccentricity of the rotor. The experiments were carried
Jakub Lorencki   +2 more
doaj   +1 more source

Construction of the control algorithm to improve energy efficiency of a switched reluctance electric motor [PDF]

open access: yesОмский научный вестник, 2023
An energy-efficient switched reluctance electric drive is considered in relation to electric rolling stock. It fully meets such requirements as good adjustment properties, high energy efficiency and operational reliability.
А. V. Kashuba, A. V. Shevkunova
doaj   +1 more source

Development of Folded Expanded Metal Mesh with Sound Absorption Performance

open access: yesApplied Sciences, 2021
Reverberation time (RT) is an important factor affecting the quality of indoor acoustics. Using sound-absorbing materials is one method for quickly and effectively controlling RT, and installation in the ceiling is a common location.
Jui-Yen Lin   +2 more
doaj   +1 more source

String Efficiency Analysis of 132-kV High Suspension Insulators Using 2D Finite Element Method Magnetics

open access: yesPUP Journal of Science and Technology, 2023
Suspension insulator is needed to prevent leakage current flow to earth through the support tower in high voltage transmission. However, the potential distribution and electric field across each insulator in a string is non-uniform, which causes flash ...
Alexander Carrascal
doaj   +1 more source

Induction Motor Harmonics Voltage Waveform Analysis based on Machine Constriction

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2020
— This paper discussed about harmonic analysis in an induction motor. Harmonics on induction motor appear due to the machine construction specially to its slots.
Akhlaqul Karomah
doaj   +1 more source

Two-Steps Slotting Method in Magnet Edge of PMG for Wind Energy Harvesting

open access: yesInternational Journal of Technology, 2020
This paper focuses on the study of how to decrease the value of the cogging torque in an Inset Permanen Magnet Generator. The permanent-magnet generator of an integral slot number with 24 slots and 8 poles was selected and investigated for the ...
Tajuddin Nur, Marsul Siregar
doaj   +1 more source

Numerical approach for optimization of magnetic roller and evaluating the performance of permanent magnet roller separator through design of experiment

open access: yesAlexandria Engineering Journal, 2022
The present study is focused on numerical analysis of magnetic roller (Mr) using finite element method magnetics (FEMM) software for different magnet disc-to-steel disc (MD-to-SD) width ratios.
G.T. Mohanraj   +7 more
doaj   +1 more source

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