Results 11 to 20 of about 916 (181)

Dependancy of Three Phase Induction Motor Derating Aspects on Complex Voltage Unbalance Factor: A Calorimetric and Finite Element Simulation Study [PDF]

open access: yesIEEE Access, 2021
It is well known that three-phase induction motors have to be derated in the presence of supply voltage unbalance (negative sequence) exceeding a stipulated limit of 1% based on several widely used standards.
Pathum Sudasinghe   +4 more
doaj   +4 more sources

Comprehensive Modeling of Induction Motor Imbalance Condition to ‎Precise Assessment of Steady State Performance Based on Complex ‎Current Unbalance Factor [PDF]

open access: yesمجله مدل سازی در مهندسی, 2021
After a comprehensive study of voltage unbalance issue, this ‎paper presents the defects of some unbalance factors and ‎concentrates on the importance of considering the angle of ‎complex voltage unbalance factor (CVUF) in order to ‎unbalanced condition ...
Saeed Maghsoodi   +3 more
doaj   +1 more source

The Performance of a Three-Phase Induction Motor under and over Unbalance Voltage [PDF]

open access: yesTikrit Journal of Engineering Sciences, 2021
Voltage unbalance is an adverse global phenomenon impacting three-phase induction motor output. Three-phase source voltage may become imbalanced in a variety of respects, while a balanced system preserves stable voltage magnitude and angles in ...
Abdulsatar H. Jassim   +2 more
doaj   +1 more source

Performance Analysis of the Slip Power Recovery Induction Motor Drive System Under Unbalance Supply Voltages

open access: yesAdvances in Electrical and Electronic Engineering, 2021
This paper develops a mathematical model for analyzing the steady-state performance of the Slip Power Recovery Induction Motor Drive System (SPRIMDS) which operates under unbalance supply voltage conditions.
Hilmi Fadhil Ameen, Fadhil Toufick Aula
doaj   +1 more source

Performance Analysis and Modeling of SRRCCIM under the Impact of Unbalance Supply Voltage [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2021
This paper develops a mathematical model for analyzing the steady state performance of the static rotor resistance chopper control induction motor (SRRCCIM) operates under unbalance supply voltage conditions.
AMEEN Hilmi, AULA Fadhil
doaj  

Improvement of two grid power factor control methods for matrix converter open‐end‐winding drive with common‐mode voltage elimination supplied by unbalanced grid

open access: yesIET Power Electronics, 2023
This paper investigates space‐vector‐modulation (SVM) technique that uses only rotating space vectors to drive a direct matrix converter (DMC) with zero common‐mode voltage (CMV).
Luka Stanić   +3 more
doaj   +1 more source

Theoretical and Experimental Investigation of the Supply Voltage Unbalance Effects on Squirrel Cage Induction Motors

open access: yesAlgerian Journal of Signals and Systems, 2019
Voltage unbalance is one of the power quality problems causing a lot of ill effects on induction motors. These are namely: Overheating, line-current unbalance, derating, torque pulsation, and inefficiency.
Fatma Zohra DEKHANDJI, Hamid BENTARZI
doaj   +1 more source

Mitochondrial fission factor is a novel Myc-dependent regulator of mitochondrial permeability in cancerResearch in context

open access: yesEBioMedicine, 2019
Background: Mitochondrial functions are exploited in cancer and provide a validated therapeutic target. However, how this process is regulated has remained mostly elusive and the identification of new pathways that control mitochondrial integrity in ...
Jae Ho Seo   +10 more
doaj   +1 more source

The Performance of a Three-Phase Induction Motor under and over Unbalance Voltage

open access: yesTikrit Journal of Engineering Sciences, 2022
Voltage unbalance is an adverse global phenomenon impacting three-phase induction motor output. Three-phase source voltage may become imbalanced in a variety of respects, while a balanced system preserves stable voltage magnitude and angles in three ...
Abdulsatar H. Jassim   +2 more
doaj  

LIFETIME OF AUXILIARY MACHINES OF AC ELECTRIC TRAINS

open access: yesNauka ta progres transportu, 2015
Purpose. In this paper it is necessary to analyze increase the efficiency of auxiliary machinesof AC electric trains, series ER 9M during operating under the real conditions. Methodology.
O. Yu. Baliichuk
doaj   +1 more source

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