Browsing by Author "Ben-Brahim, Lazhar"
Now showing items 21-40 of 68
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EK θ multilevel inverter – a minimal switch novel configuration for higher number of output voltage levels
Bhaskar, Mahajan Sagar; Meraj, Mohammad; Iqbal, Atif; Ben-Brahim, Lazhar; Padmanaban, S.; Abu-Rub, H.... more authors ... less authors ( Institution of Engineering and Technology , 2020 , Article)In this study, a new multilevel inverter (MLI) configuration is proposed to generate higher number of levels with minimal control switches. The proposed inverter's nomenclature is EK θ MLI, termed from its stems of shape. ... -
Enhanced Deadbeat Control Approach for Grid-Tied Multilevel Flying Capacitors Inverter
Trabelsi, Mohamed; Ben-Brahim, Lazhar; Gastli, Adel; Abu-Rub, Haitham ( IEEE , 2022 , Article)This paper proposes an enhanced Deadbeat Controller (DBC) for a grid-tied Flying Capacitors Inverter (FCI). The proposed DBC guarantees the balancing of the capacitors' voltages while injecting current to the grid with ... -
Enhanced low-voltage ride-through capability of flying capacitors inverter using model predictive control
Trabelsi, Mohamed; Ben-Brahim, Lazhar; Gastli, Adel; Abu-Rub, Haitham ( John Wiley and Sons Ltd , 2017 , Article)This paper proposes an enhancement of the low-voltage ride-through (LVRT) capability of multilevel flying capacitors inverter using an improved model predictive control (MPC). The proposed solution is a multiobjective ... -
Failure mode analysis for single-phase Multi-level qZSI interfacing PV system to utility grid
Rahman, Syed; Meraj, Mohammad; Iqbal, Atif; Ben-Brahim, Lazhar; Alammari, Rashid; Abu-Rub Syed, Haitham; Meraj, Mohammad; Iqbal, Atif; Ben-Brahim, Lazhar; Alammari, Rashid; Abu-Rub, Haitham.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Cascaded Multi-level inverter for synchronization of power generated from PV system to utility grid is reported in this paper. Inverters are prone to several types of faults e.g. switch failure or dc link capacitor failure. ... -
Fault Detection And Localization In Modular Multilevel Converter
Houchati, Mahdi (2018 , Master Thesis)The Modular Multilevel Converter is gaining wide acceptance in both industrial and research communities for medium and high power applications. However, the increasing need for a higher number of active power switches ... -
Finite control set model predictive control for grid-tied quasi-Z-source based multilevel inverter
Trabelsi, Mohamed; Bayhan, Sertac; Abu-Rub, Haitham; Ben-Brahim, Lazhar; Zanchetta, Pericle ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, a finite control set Model Predictive Control (MPC) for grid-tie quasi-Z-Source (qZS) based multilevel inverter is proposed. The proposed Power Conditioning System (PCS) consists of a single-phase 2-cell ... -
Finite-Control-Set Model Predictive Control for Grid-Connected Packed-U-Cells Multilevel Inverter
Trabelsi, Mohamed; Bayhan, Sertac; Ghazi, Khalid Ahmed; Abu-Rub, Haitham; Ben-Brahim, Lazhar ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)This paper presents a finite-control-set model predictive control (FCS-MPC) for grid-tied packed U cells (PUC) multilevel inverter (MLI). The system under study consists of a single-phase 3-cells PUC inverter connected to ... -
High Brightness and High Voltage Dimmable LED Driver for Advanced Lighting System
Meraj, Mohammad; Rahman , Syed; Iqbal , Atif; Ben-Brahim, Lazhar ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In energy efficient system designs, LED lighting leads to reduction in global energy demand. This paper proposes a high brightness, high efficiency, dimmable LED driver based on linear current regulator technology for DC ... -
A high precision resolver-to-DC converter
Benammar, Mohieddine; Ben-Brahim, Lazhar; Alhamadi, Mohd A. ( IEEE , 2005 , Article)A newly developed resolver converter, providing a pseudolinear voltage proportional to the shaft angle, is presented. This converter is based on a new concept involving the absolute values of the demodulated sine and cosine ... -
High-Gain Non-isolated Single-Switch DC-DC Converters in Power Factor Correction Rectifiers: A Performance Assessment
Hussein, Bayan; Alsalemi, Abdulazeez; Ben-Brahim, Lazhar ( IEEE , 2022 , Conference Paper)Conventional single-stage Power Factor Correction (PFC) rectifiers struggle with extreme duty ratio operation for low-voltage applications, like Low-speed Electric Vehicles (LSEV). This worsens the performance of the ... -
High-Power Drive Systems for Industrial Applications: Practical Examples
Ben-Brahim, Lazhar; Yoshino, Teruo ( John Wiley & Sons, Ltd , 2014 , Book chapter) -
Integrated Multi-Criteria Model for Long-Term Placement of Electric Vehicle Chargers
Abdullah, Heba M.; Gastli, Adel; Ben-Brahim, Lazhar; Mohammed, Semira O. ( Institute of Electrical and Electronics Engineers , 2022 , Article)Based on the global greenhouse gas (GHG) emissions targets, governments all over the world are speeding up the adoption of electric vehicles (EVs). However, one of the key challenges in designing the novel EV system is to ... -
Matlab/Simulink implementation & simulation of islanding detection using passive methods
Ashour, Marwa; Ben-Brahim, Lazhar; Gastli, Adel; Al-Emadi, Nasser; Fayyad, Yara ( Institute of Electrical and Electronics Engineers Inc. , 2013 , Conference Paper)The extensive use of Distributed Generators in Electrical and power systems made it a must to explore its functionality and the issues related to their connection to the grid. One of the main issues is unintentional ... -
Matlab/Simulink implementation & simulation of islanding detection using passive methods
Ashour, Marwa; Ben-Brahim, Lazhar; Gastli, Adel; Al-Emadi, Nasser; Fayyad, Yara ( IEEE , 2013 , Conference Paper)The extensive use of Distributed Generators in Electrical and power systems made it a must to explore its functionality and the issues related to their connection to the grid. One of the main issues is unintentional ... -
Modeling, impedance design, and efficiency analysis of quasi-Z source module in cascaded multilevel photovoltaic power system
Sun, Dongsen; Ge, Baoming; Yan, Xingyu; Bi, Daqiang; Zhang, Hao; Liu, Yushan; Abu-Rub, Haitham; Ben-Brahim, Lazhar; Peng, Fang Zheng... more authors ... less authors ( IEEE , 2014 , Article)The quasi-Z source (qZS) cascaded multilevel inverter (CMI) (qZS-CMI) presents attractive advantages in application to photovoltaic (PV) power system. Each PV panel connects to an H-bridge qZS inverter (qZSI) to form a ... -
Modular Multilevel Converter Circulating Current Reduction Using Model Predictive Control
Ben-Brahim, Lazhar; Gastli, Adel; Trabelsi, Mohamed; Ghazi, Khalid A.; Houchati, Mahdi; Abu-Rub, Haitham... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Modular multilevel converter (MMC) is a promising new topology for high-voltage applications. The MMC is made of several identical submodules. For proper operation, each submodule can be considered as a controlled voltage ... -
Multi-objective model predictive control for grid-tied 15-level packed U cells inverter
Trabelsi, Mohamed; Bayhan, Sertac; Refaat, Shady S.; Abu-Rub, Haitham; Ben-Brahim, Lazhar ( IEEE , 2016 , Conference Paper)This paper presents a multi-objective Model Predictive Control (MPC) for grid-tied 4-cell 15-level Packed U Cells (PUC) inverter. This challenging topology is characterized by high power quality with reduced number of ... -
Multilevel cascaded Z source inverter for PV power generation system
Fayyad, Yara; Ben-Brahim, Lazhar ( IEEE , 2012 , Conference Paper)The paper investigates the use of multilevel cascaded Z source inverter (MC-ZSI) for photovoltaic (PV) power generation system. The control of the proposed system will take into account the multilevel modulation scheme and ... -
A neutral point voltage balancing method for multi-level GTO inverters
Ben-Brahim, Lazhar ( IEEE , 2006 , Conference Paper)The balancing problem of the DC-link capacitor voltage is inherent in the NPC inverter. It is extremely important to keep the upper and lower DC-link capacitor voltages balanced to guarantee the three level operation of ... -
A new angle determination method for resolvers
Ben-Brahim, Lazhar; Benammar, Mohieddine; Alhamadi, Mohd; Al-Emadi, Nasser; Al-Hitmi, Mohammed ( IEEE , 2008 , Conference Paper)A new low cost method for converting the amplitudes of the sine/cosine signals generated by the resolver into a measure of the angle of its shaft. The new method operates without lookup tables (LUT), and takes advantage ...