Results 21 to 30 of about 131,022 (264)

Measurement and control systems for an imaging electromagnetic flow meter [PDF]

open access: yes, 2014
Electromagnetic flow metres based on the principles of Faraday's laws of induction have been used successfully in many industries. The conventional electromagnetic flow metre can measure the mean liquid velocity in axisymmetric single phase flows ...
G. Lucas   +14 more
core   +1 more source

THE THYRISTOR CONVERTER INFLUENCE ON THE PULSATIONS OF THE ELECTROMAGNETIC TORQUE OF THE INDUCTION MOTOR AT PARAMETRICAL CONTROL

open access: yesElectrical engineering & Electromechanics, 2017
Purpose. The purpose of the work is to identify the parameters influence of the electric motor, the power circuits elements of the converters, built on resistor-thyristor modules, the static torque and the moment of inertia of the mechanism on the ...
V. I. Lobov, K. V. Lobova
doaj   +1 more source

Study on the Influence of Coil Arrangement on the Output Characteristics of Electromagnetic Galloping Energy Harvester

open access: yesMicromachines, 2023
The arrangement of the induction coil influences the electromagnetic damping force and output characteristics of electromagnetic energy harvesters. Based on the aforementioned information, this paper presents a proposal for a multiple off-center coil ...
Lei Xiong   +5 more
doaj   +1 more source

Electromagnetic induction in non-uniform domains

open access: yes, 2010
Kinematic simulations of the induction equation are carried out for different setups suitable for the von-K\'arm\'an-Sodium (VKS) dynamo experiment. Material properties of the flow driving impellers are considered by means of high conducting and high ...
Gerbeth, G.   +6 more
core   +3 more sources

Effects of low frequency electromagnetic fields on growth, total antioxidant activity and morphology of the intestine in rainbow trout (Oncorhynchus mykiss) [PDF]

open access: yesThe Iranian Journal of Veterinary Science and Technology, 2016
For many years it was believed that extremely lowfrequency electromagnetic field (ELF-EMF) do not have any significant biological effects. In this study, the influence of extremely low-frequency electromagnetic fields on the growth performance, serum ...
Katayoon Nofouzi   +8 more
doaj   +1 more source

Study on Design and Vibration Reduction Optimization of High Starting Torque Induction Motor

open access: yesEnergies, 2019
Induction motors are widely used in various applications. This study considers a Y2-200L2-6 three-phase induction motor. Its starting torque was improved by combining the characteristics and design method of a star-delta hybrid connection winding, which ...
Ying Xie, Cheng Pi, Zhiwei Li
doaj   +1 more source

Sliding modes in electrical drives and motion control [PDF]

open access: yes, 2011
In this paper application of Sliding Mode Control (SMC) to electrical drives and motion control systems is discussed. It is shown that in these applications simplicity in implementation makes concepts of SMC a very attractive design alternative ...
Asada   +17 more
core   +2 more sources

Investigation on Electromagnetic Performance of Induction Motor with Rotor Bar Faults considering Motor Current Signals

open access: yesAdvances in Electrical and Computer Engineering, 2020
This paper deals with electromagnetic torque and current characteristics of an induction motor with rotor bar breakage, and electromagnetic field analysis based on finite element method and motor current signal analysis is performed according to various
PARK, Y.-S.
doaj   +1 more source

Frequency and Current Analysis for Aluminum Billet Lifting with a Longitudinal Electromagnetic Levitator Prototype

open access: yesEnergies
Magnetic levitation enables the confinement and melting of conductive metals using alternating magnetic fields, eliminating the need for a crucible or other contact supports.
Matteo Zorzetto   +2 more
doaj   +1 more source

Optimization of electromagnetic structure of magnetic levitation belt conveyor

open access: yesGong-kuang zidonghua, 2021
The conventional magnetic levitation belt conveyor adopts the electromagnetic structure composed of permanent magnets and electromagnets, which has the problems of easy heat generation and high current loss under the working conditions with high demand ...
HU Kun, JIANG Hao, JI Chenguang, PAN Ze
doaj   +1 more source

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