Browsing by Author "Meraj, Mohammad"
Now showing items 1-20 of 48
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A Combinational Level-Shifted and Phase-Shifted PWM Technique for Symmetrical Power Distribution in CHB Inverters
Rahman, Syed; Meraj, Mohammad; Iqbal, Atif; Reddy, B. Prathap; Khan, Irfan ( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)In cascaded H-bridge (CHB) multilevel inverters (MLIs), phase-shifted pulse width modulation (PSPWM) and level-shifted pulse width modulation (LSPWM) are the two prominent techniques to attain multilevel and better ... -
A Dual Active Bridge based Wireless Power Transfer System for EV Battery Charging Controlled Using High Speed FPGA
Al-Hitmi, MohammedA.; Iqbal, Atif; Rahman, Syed; Maroti P.K.; Meraj, Mohammad; Mehrjerdi, Hasan... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)In this paper, a Dual Active Bridge (DAB) based fast charging system is designed for multiple port Electric Vehicle (EV) charging which are simultaneously feeding the three EVs rated for different powers using a common DC ... -
A Hybrid Multilevel Inverter Scheme for Nine-Phase PPMIM Drive by Using Three-Phase Five-Leg Inverters
Reddy, B. Prathap; Meraj, Mohammad; Iqbal, Atif; Keerthipati, Sivakumar; Bhaskar, Mahajan Sagar ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In pole-phase modulation, the phase order is coming down by pole ratio times in high pole mode, which results in the higher magnitude of spatial harmonics as well as higher torque ripple. In this article, the available ... -
A new high-level boost inverter topology with reduced device count
Siddique, Marif Daula; Reddy, B. Prathap; Meraj, Mohammad; Iqbal, Atif ( John Wiley and Sons Ltd , 2022 , Article)The requirement of a boosting aspect for the power electronic converter is essential for the fuel cell, solar PV, and battery-based applications as the generated voltage is of low voltage magnitude. In these low-voltage ... -
A New Single Phase Single Switched-Capacitor Based Nine-Level Boost Inverter Topology with Reduced Switch Count and Voltage Stress
Siddique, Marif Daula; Mekhilef, Saad; Shah, Noraisyah Mohamed; Sathik Mohamed Ali, Jagabar; Meraj, Mohammad; Iqbal, Atif; Al-Hitmi, Mohammed A.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Based on the concept of switched-capacitor based multilevel inverter topology, a new structure for a boost multilevel inverter topology has been recommended in this paper. The proposed topology uses 11 unidirectional ... -
A New Structure of High Voltage Gain SEPIC Converter for Renewable Energy Applications
Maroti, Pandav Kiran; Padmanaban, Sanjeevikumar; Holm-Nielsen, Jens Bo; Meraj, Mohammad; Iqbal, Atif ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)The paper proposes a new structure of SEPIC with high voltage gain for renewable energy applications. The proposed circuit is designed by amalgamating the conventional SEPIC with a boosting module. Therefore, the converter ... -
A New Type of Boost Converter with Dual Duty and High Gain for DC Microgrid Applications
Sadaf, Shima; Iqbal, Atif; Meraj, Mohammad; Maroti, Pandav Kiran; Samiullah, Md.; Khan, Irfan... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)A new high-gain Switched Inductor DC/DC Boost converter with dual duty is proposed in this paper for DC Microgrid applications. Two non-isolated inductors forming a switched inductor structure have been incorporated in the ... -
A novel high gain boost converter with switched reactive network for electric vehicle application: A new member of modified boost converter family
Al-Hitmi, MohammedA.; Iqbal, Atif; Maroti, Pandav Kiran; Reddy, P.; Rahman, Syed; Meraj, Mohammad... more authors ... less authors ( Institution of Engineering and Technology , 2020 , Conference Paper)In this paper, a new member of high gain Modified Boost Converter (MBC) with Switched Reactive Network (SRN) is presented for Electric Vehicle (EV) application. The proposed converter is a non-isolated converter and providing ... -
A Novel Modified Switched Inductor Boost Converter with Reduced Switch Voltage Stress
Sadaf, Shima; Al-Emadi, Nasser; Iqbal, Atif; Meraj, Mohammad; Bhaskar, Mahajan Sagar ( Qatar University Press , 2020 , Poster)DC-DC power converters are necessary to step-up the voltage or current with high conversion ratio for many applications e.g. photovoltaic and fuel cell energy conversion, uninterruptible power supply, DC microgrid, automobile, ... -
A Novel Modified Switched Inductor Boost Converter with Reduced Switch Voltage Stress
Sadaf, Shima; Bhaskar, Mahajan Sagar; Meraj, Mohammad; Iqbal, Atif; Al-Emadi, Nasser ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Recently, switched inductor (SI) and switched capacitor techniques in dc-dc converter are recommended to achieve high voltage by using the principle of parallel charging and series discharging of reactive elements. It is ... -
A Quasi Impedance Source Inverter based Wireless Power Transfer System for Battery Charging Applications for Electric Vehicle
Iqbal, Atif; Al-Hitmi, MohammedA.; Maroti, Pandav Kiran; Daula, M.; Meraj, Mohammad; Rahman, Syed... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)In this paper, a quasi-impendence source-based inductive type wireless power transfer rapid charging system of 60 kW is presented. The proposed system consists of a quasi Z-source converter (required to boost the input ... -
A Single DC Source-Based Three-Level Inverter Topology for a Four-Pole Open-End Winding Nine-Phase PPMIM Drives
Reddy, B. Prathap; Meraj, Mohammad; Iqbal, Atif; Keerthipati, Sivakumar; Al-Hitmi, Mohammed ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)This article proposes a three-level inverter topology for nine-phase pole phase-modulated induction motor (PPMIM) drives by using the two identical voltage profile coils (IVPC) of a four-pole stator winding. In general, ... -
Cascaded multilevel qZSI powered single-phase induction motor for water pump application
Rahman, Syed; Meraj, Mohammad; Iqbal, Atif; Tariq, Mohd; Maswood, Ali I.; Ben-Brahim, Lazhar; Alammari, Rashid... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)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 ... -
Closed-Loop Control and Boundary for CCM and DCM of Nonisolated Inverting N× Multilevel Boost Converter for High-Voltage Step-Up Applications
Iqbal, Atif; Bhaskar, Mahajan Sagar; Meraj, Mohammad; Padmanaban, S.; Rahman, Syed ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this paper, closed-loop control and boundary condition for continuous conduction mode and discontinuous conduction mode of nonisolated inverting N× multilevel boost converter (MBC) are articulated. Inverting N× MBC ... -
Common Mode Voltage Reduction in a Single-Phase Quasi Z-Source Inverter for Transformerless Grid-Connected Solar PV Applications
Meraj, Mohammad; Rahman, Syed; Iqbal, Atif; Ben-Brahim, Lazhar ( 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 ... -
Comparative analysis of carrier schemes for PWM in multilevel PUC inverter for PV applications
Tariq, Mohd; Iqbal, Mohammad Tauquir; Iqbal, Atif; Meraj, Mohammad; Roomi, Muhammad M.; Khan, Md Shafquat Ulla... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)This paper presents an evaluation of two modulation methods for the seven-level packed U cell (PUC) inverter for photovoltaic applications. The PUC is a multilevel inverter which has less number of switching devices than ... -
DC-Transformer Modelling, Analysis and Comparison of the Experimental Investigation of a Non-Inverting and Non-Isolated Nx Multilevel Boost Converter (Nx MBC) for Low to High DC Voltage Applications
Iqbal, Atif; Sagar Bhaskar M.; Meraj, Mohammad; Padmanaban, S. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)This paper mainly focuses on the analysis, DC-transformer modeling, comparison, and experimental investigation of a non-inverting and non-isolated Nx multilevel boost converter (Nx MBC) for low to high DC applications. ... -
Design and Implementation of Cascaded Multilevel qZSI Powered Single-Phase Induction Motor for Isolated Grid Water Pump Application
Rahman, Syed; Meraj, Mohammad; Iqbal, Atif; Tariq, M.; Maswood, A.I.; Ben-Brahim, Lazhar; Al-Ammari, R.... more authors ... less authors ( 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 ... -
Design of a proportional resonant controller for packed U cell 5 level inverter for grid-connected applications
Tariq, Mohd; Iqbal, Mohammad Tauquir; Meraj, Mohammad; Iqbal, Atif; Maswood, Ali I.; Bharatiraja, C.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)In this paper, the design of a proportional resonant (PR) controller for the packed U cell (PUC) 5 level inverter is presented. The objective of the presented work is to present a better solution for current control in ... -
Dynamic Modeling and Control of Pole-Phase Modulation-Based Multiphase Induction Motor Drives
Reddy, B. Prathap; Iqbal, Atif; Rahman, Syed; Meraj, Mohammad; Keerthipati, Sivakumar ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Pole-phase modulation-based induction motor (PPMIM) drives possess the capability of providing an extended range of speed-torque for high-power traction application with the available additional degrees of freedom in the ...