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Collection: Short Communication

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Modeling and analysis of boost converter in small-signals applied to the wind energy conversion system using Matlab/Simulink

The problem of stabilizing a boost converter in small-signal situations using linear control laws is derived by the means of oriented circuit procedure. After establishing a small-signal circuit model for the boost regulator including state-feedback,…

Empirical models for estimating solar radiation in Algeria: A review and case study

The information about solar radiation is limited in space and time at different local regions around Algeria due to the cost of instrumental requirements. Therefore, a number of models have been developed in different regions to estimate incident…

Apport des techniques neuromimétiques à la commande d'un onduleur asymétrique à onze niveaux Application à l'alimentation d'une MASDE

Les onduleurs multi niveaux asymétriques triphasés, étudiés sont constitués de la mise en série d’onduleurs partiels par phase. La commande de ces derniers par la stratégie de l’élimination des ’harmoniques fait appel à la résolution des systèmes…

Effect of the permanent magnets locations on the voltage generated by permanent magnet generator

Currently, the permanent magnet generators find wide application in the renewable energies field such as the conversion of the wind energy or the tidal energy to an electrical energy. The main objective of this work is the calculation of the magnetic…

Electrification d'une charge isolée d'agriculture par hybridation énergétique

L'étude de faisabilité et la conception optimale d'un système énergétique hybride pour fournir de l'énergie électrique à un site éloigné de M'Sila est examinée dans ce papier. Le but de ce document est de concevoir et de simuler un mini-réseau…

Numerical investigation of coaxial turbulent jet

The paper presents a numerical study of a compressible and turbulent coaxial jet, using a Large Eddy Simulation type approach. This study focuses on the implementation of a high-performance and modern numerical method to meet the requirements in…

Etude des performances d'un moteur Renault 4 utilisant des mélanges essence - bio éthanol

Les performances d’un moteur à allumage commandé avec carburation, utilisant le mélange essence-bioéthanol (E10) ont été investiguées. Le moteur utilisé dans ce présent travail n’a subi une quelconque modification. Le bioéthanol a été déshydraté pour…

Unsteady temperature, heat transfer rate and HTF outlet temperature variation during charging of latent thermal energy storage unit

This work reports a detailed numerical study that is aimed to determine the variation of the three principal parameters, temperature of two phase change materials (PCMs), heat transfer rate and heat transfer fluid (HTF) outlet temperature, during…

Bio sorption of textile dyes from aqueous solution onto three different pine barks: kinetics and isotherm studies

The main objective of the present study is to evaluate the sorption capacities of some natural raw materials of vegetable origin for the treatment of the sewage coming from the textile industry. The selected barks are: maritime pine (MP), pine pinion…

Estimating solar radiation in a clear sky on a horizontal surface from common meteorological a data in Oran, Algeria

This study aimed to calibrate existing model (Platt and Paltridge model) and develop a new models for estimating the different components of the solar radiation on a horizontal surface in a clear sky data using commonly and available measured…

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