Browsing by Author "Ben-Brahim, Lazhar"
Now showing items 1-20 of 69
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A Multi-Input Multi-Output Model Predictive Direct Torque Control for Dual Mechanical Port Machine
( IEEE , 2023 , Article)In this paper, a multi-input multi-output (MIMO) model predictive direct torque control (MPDTC) strategy for a dual mechanical port machine (DMPM) is proposed. A MIMO state space model is developed, incorporating the ... -
A new closed-loop converter for sinusoidal encoders - Preliminary results
( IEEE , 2009 , Conference)Sinusoidal position transducers provide accurate and reliable representation of the mechanical position of their shafts. The sine/cosine transducers signals may be used in open loop or closed loop arrangements for the ... -
A new tracking technique for mechanical angle measurement
( Elsevier , 2014 , Article)Resolvers and other types of sine/cosine encoders are used for measurement of mechanical angles. These devices produce quadrature signals in the form of sine and cosine of the unknown angle, and require converters to extract ... -
A Novel High Gain Configurations of Modified SEPIC Converter for Renewable Energy Applications
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference)A novel configurations of a non-isolated Modified SEPIC Converter with two Voltage Lift Switched Inductor (MSCVLSI) modules namely MSCVLSI-XYL, MSCVLSI-LYZ and MSCVLSI-XLZ are presented in the paper. The key features of ... -
An effective Model Predictive Control for grid connected Packed U Cells multilevel inverter
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference)This paper presents a Model Predictive Control (MPC) for grid-tied Packed U Cells (PUC) multilevel inverter. The system under study consists of a single-phase 3-cell PUC inverter connected to the grid through filtering ... -
An interconnected observer for modular multilevel converter
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference)Modular multilevel converter (MMC) is an attractive topology for transformer-less high voltage applications due to its capability to reach high voltage levels by the use of power semiconductors. Each submodule can be ... -
A battery health monitoring method using machine learning: A data-driven approach
( MDPI , 2020 , Article)Batteries are combinations of electrochemical cells that generate electricity to power electrical devices. Batteries are continuously converting chemical energy to electrical energy, and require appropriate maintenance to ... -
Cascaded multilevel qZSI powered single-phase induction motor for water pump application
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)In this paper, Solar powered Single-Phase Capacitor Start Induction motor for water pump application is discussed. Output of solar panel is connected to quasi Z Source Inverter (qZSI). Three modules of qZSI are connected ... -
Common Mode Voltage Reduction in a Single-Phase Quasi Z-Source Inverter for Transformerless Grid-Connected Solar PV Applications
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)The quasi-Z-source inverter (qZSI) is becoming a popular inverter topology that can buck or boost input voltage without a dc-dc converter and hence can be used in transformerless configuration. Due to its single-stage ... -
Common mode voltage reduction in a three-to-five phase matrix converter fed induction motor drive
( Institution of Engineering and Technology , 2017 , Article)Multiphase power converters generate common mode voltage due to switching actions of the power switches. The resulting common mode current in multiphase motor drives flow through the bearing and shaft. Continuous flow of ... -
Common mode voltage reduction in open-end multi-phase load system fed through matrix converter
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference)In this paper reduction of common mode voltage (CMV) for five phases open end load system is discussed. Open end load is fed through three-to-five phases dual matrix converters (DMC). Space vector pulse width modulation ... -
A Comparative Study of High-gain Cascaded DC-DC Converter Topologies
( IEEE , 2022 , Conference)DC-DC boost converters are utilized to step-up the voltage level to match a certain application requirement. Although Conventional boost converter is simple and easy to be implemented, it has a low boosting capability and ... -
Current rating analysis of a nine-switch based unified expandable power converter considering different configurations
( IEEE , 2020 , Conference)Using low switch converters due to their cost-effectiveness has been an interesting topic in different applications such as grid integration of distributed generation systems and multi-machine drives. Recently, a nine-switch ... -
Deadbeat control of Z source inverter with voltage ride-through capability
( IEEE , 2013 , Conference)This paper presents a Z source inverter connected to grid. The effect of voltage sags on ZSI will be studied when two different ac side control schemes are used. The paper compares the performance of both PI control and ... -
Deadbeat control with multi-sampling compensation for medium-voltage motor drives by cascaded multi-cell inverter using FPGA based hardware controller
( IEEE , 2011 , Conference)Multi-cell inverter include an array of single-phase inverters capable of handling higher voltage ratings with lower rating power electronics devices. In this paper, a deadbeat control combined with a multi-sampling ... -
Design and Implementation of Cascaded Multilevel qZSI Powered Single-Phase Induction Motor for Isolated Grid Water Pump Application
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)This article presents the design and implementation of solar-powered V/f controlled single-phase capacitor-start induction motor. Multilevel quasi impedance source inverter controls the power flowing from the photovoltaic ... -
Development Of Multi-Phase Variable Frequency Drives For The Oil & Gas Industry
(2019 , Master Thesis)Liquefied Natural Gas (LNG) plants rely heavily on LNG compressors exceeding 100 MW power range. These compressors are mainly driven by gas turbines and high power helper motors operated via Variable Frequency Drives (VFDs). ... -
Differential Flatness-Based Performance Enhancement of a Vector Controlled VSC with an LCL-Filter for Weak Grids
( IEEE , 2021 , Article)In this paper, a novel single-loop flatness-based controller (FBC) is proposed to control the grid-side current in a shunt converter connected to a weak grid through an LCL-filter. After its mathematical description, the ... -
Digital control for UPS inverters
( IEEE , 2003 , Conference)PWM inverters digital controls with dead-beat re sponse, for UPS applications, are reviewed. To improve the output waveforms of the PWM inverter, several modern control techniques are applied together with the deadbeat ... -
Dimmable LED Driver For DC Distributed Lighting System
( Qatar University Press , 2020 , Poster)This Abstract proposes a high brightness, high efficiency, dimmable LED driver based on linear current regulator technology for DC grid distribution systems. The proposed driver has excellent characteristics like the highest ...
