تصفح Electrical Engineering حسب العنوان
السجلات المعروضة 2309 -- 2328 من 2495
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Surface-type nonvolatile electric memory elements based on organic-on-organic CuPc-H
( Institute of Physics Publishing , 2015 , Article)A novel surface-type nonvolatile electric memory elements based on organic semiconductors CuPc and H2Pc are fabricated by vacuum deposition of the CuPc and H2Pc films on preliminary deposited metallic (Ag and Cu) electrodes. ... -
Surrogate data test for nonlinearity of EEG signals: A newborn EEG burst suppression case study
( Elsevier Inc. , 2017 , Article)This paper applies the surrogate data method to investigate the presence of nonlinearity in neonatal electroencephalogram (EEG) burst suppression (B/S) patterns in order to rationalize the use of nonlinear methods for ... -
Surround-Screen Mobile based Projection: Design and Implementation of Mobile Cave Virtual Reality
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Virtual Reality (VR) is the employment of computer devices to simulate real or imaginary environments. Conventional user interfaces stresses the usage of screen displays to interact with the developed environment. The ... -
Survey about public perception regarding smart grid, energy efficiency & renewable energies applications in Qatar
( Elsevier Ltd , 2018 , Article Review)In a low-carbon and sustainable future, smart grids have a key role to play not only in saving energy with demand and supply-side management of energy systems, but also in optimizing the integration of a wider range of ... -
Sustainable and reliable hybrid AC/DC microgrid planning considering technology choice of equipment
( Elsevier , 2020 , Article)Today, the microgrid is not a new concept, and its diverse benefits for the grid and also consumers have been proven. One of the effective ways to enhance penetration level of the microgrids is to improve economic ... -
Swinging with the Jet Set: Analysis of Electromagnetic Fields Inside Jet Engines - From Numerical and Experimental Analysis to Statistical Analysis
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Analyzing electromagnetic propagation inside jet engine turbines is a challenging and important research topic due to its potential applications in both civil and military fields. Electromagnetic modeling of such complex ... -
Switched Inductor Quazi Switched boost Converter for Nano - Grid Applications
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Each commercial and residential buildings energy management system can be efficiently/ economically realized by integration of the solar photovoltaics (acting as the renewable power generator), battery energy storage system ... -
Switched mode power supplies for charge-up, discharge and balancing dc-link capacitors of diode-clamped five-level inverter
( IET , 2010 , Article)Inductor switch mode power supplies (SMPS) operated in a discontinuous inductor current mode are used to balance the dc-link capacitor voltages of a diode-clamped five-level inverter. The SMPS concept is extended to charge ... -
Switching angles computations using pso in selective harmonics minimization pwm
( Springer Science and Business Media Deutschland GmbH , 2021 , Book chapter)The preprogrammed pulse width modulation (PWM) method for operating power converters ensures minimum switching loss and at the same time better quality waveform at the output. The Fourier series analysis of the predefined ... -
Switchless power decoupling and switchless leakage current elimination in grid-tied inverters
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)This paper presents a grid-tied single-phase transformerless inverter that eliminates simultaneously the leakage current issue and the double grid frequency power pulsation without additional active circuitry. The control ... -
Symmetric and Asymmetric Multilevel Inverter Topologies With Reduced Device Count
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)In this work, two new topologies of single-phase hybrid multilevel inverters for symmetrical and asymmetrical configurations are presented for use in drives and control of electrical machines and the connection of renewable ... -
Symmetrical Nine-Phase Drives with a Single Neutral-Point: Common-Mode Voltage Analysis and Reduction
( MDPI , 2022 , Article)Power converters generate switching common mode voltage (CMV) through the pulse width modulation (PWM). Several problems occur in the drive systems due to the generated CMV. These problems can be dangerous to the insulation ... -
Synchrophasor-based backup distance protection of multi-terminal transmission lines
( Institution of Engineering and Technology , 2016 , Article)The distance protection of multi-terminal transmission lines need to be redesigned due to possible changes in the backup protection emanating from probable infeed currents produced from tapped transmission lines. Furthermore, ... -
Synthesis and characterization of Mg-Zn ferrite based flexible microwave composites and its application as SNG metamaterial
( Nature Research , 2021 , Article)In this article, we propose SNG (single negative) metamaterial fabricated on Mg-Zn ferrite-based flexible microwave composites. Firstly, the flexible composites are synthesized by the sol-gel method having four different ... -
Synthesis and performance of large-scale cost-effective environment-friendly nanostructured thermoelectric materials
( MDPI AG , 2021 , Article)Thermoelectricity is a promising technology that directly converts heat energy into electric-ity and finds its use in enormous applications. This technology can be used for waste heat recovery from automobile exhausts and ... -
Synthesis and photoelectrochemical performance of Co doped SrTiO3 nanostructures photoanode
( Wiley , 2023 , Article)It is pertinent to realize that scientific research indicates that the most promising method for producing H2 is photo electrochemical water splitting through a photo anode. Cobalt-doped SrTiO3 (Co-SrTiO3) composite ... -
Synthesis of in situ photoinduced halloysite-polypyrrole@silver nanocomposite for the potential application in humidity sensors
( MDPI AG , 2020 , Article)Halloysite-polypyrrole-silver nanocomposite has been prepared via in situ photopolymerizations of pyrrole in the presence of silanized halloysite and silver nitrate as a photoinitiator. The halloysite nanoclay (HNT) was ... -
Systematic implementation of multi-phase power supply (Three to six) conversion system
( MDPI AG , 2019 , Article)Multiphase (more than three) power system has gained popularity due to their inherent advantages when compared to three-phase counterpart. Multiphase power supply is extensively used in AC/DC multi-pulse converters, ... -
Systemic framework of competencies of 21st century technical and engineering human resource: A development case for a knowledge based Economy in Qatar
( IEEE , 2013 , Conference Paper)The required talent of 21st century engineering and technology human resource is significantly different and more complex than what has been needed ever before. Numerous relevant studies have been conducted during the last ... -
Systems engineering design of engineering education: A case of an embedded systems course
( IEEE Education Society , 2012 , Conference Paper)Systems and Cybernetics can be found elsewhere in natural and engineering sciences. Control systems methods (technical cybernetics) are the nerve of the industrial revolution; they have recently penetrated some social ...
