Browsing by Author "Meraj, M."
Now showing items 1-20 of 22
-
A high efficiency and high reliability single-phase modified quasi Z-Source inverter for non-isolated grid-connected applications
Meraj, M.; Iqbal, A.; Brahim, L.; Alammari, R.; Abu-Rub, H. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Quazi Z-Source inverter (qZSI) is a promising inverter topology that can buck or boost input voltage without a DC-DC converter and hence can be used in transformerless configuration. This is a high efficiency solution ... -
A hybrid active and reactive power control with Quasi Z-source inverter in single-phase grid-connected PV systems
Meraj, M.; Rahman, Syed.; Iqbal, A.; Ben-Brahim, L.; Alammari, R.; Abu-Rub, H.... more authors ... less authors ( IEEE Computer Society , 2016 , Conference Paper)This paper presents a hybrid method of active power and reactive power control strategy with Quasi Z-source inverter (QZSI) in single phase grid connected photovoltaic (PV) systems. The maximum power from the PV panel is ... -
A New Triple-Switch-Triple-Mode High Step-Up Converter with Wide Range of Duty Cycle for DC Microgrid Applications
Bhaskar M.S.; Alammari R.; Meraj M.; Padmanaban S.; Iqbal A. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)DC microgrid is gaining attraction and a recent trend in distribution power generation system due to penetration of renewables (especially photovoltaic or fuel cell). In this paper, a new triple-switch-triple-mode high ... -
A New Variable Frequency Control of 49-Level Cascaded Packed U-Cell Voltage Source Inverter
Meraj M.; Rahman S.; Iqbal A.; Tariq M.; Lodi K.A.; Ben-Brahim L.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Requirement of large number of levels with lower number of switching devices has made asymmetrical converters more popular than the symmetrical ones. Asymmetrical cascaded multilevel inverters (ACMLI) can achieve high ... -
Discontinuous space vector pulse width modulation techniques for a five-phase quasi Z-source inverter
Abduallah, A. A.; Iqbal, A.; Meraj, M.; Ben-Brahim, L.; Alammari, R.; Abu-Rub, H.... more authors ... less authors ( IEEE , 2015 , Conference Paper)In this paper, discontinuous space vector pulse width modulation for a five-phase quasi Z-source inverter is presented. Two schemes are introduced for the continuous SVM of five-phase qZSI (SVQ1 & SVQ2) and two schemes of ... -
Dynamic mitigation of EV charging stations impact on active Distribution Networks with Distributed BESSs
Meraj M.; Massoud A. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Less secured and stressed power system operating conditions have motivated the grid integration of renewable energy generators. Nonetheless, intermittency of renewable energy sources along with the emerging charging ... -
Hardware implementation of a new single input double output L-L converter for high voltage auxiliary loads in fuel-cell vehicles
Bhaskar M.S.; Ben-Brahim L.; Iqbal A.; Padmanaban S.; Meraj M.; Rahman S.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Typically, the fuel cell output voltage magnitude is low and a series connection of several fuel cells is not a practical solution to achieve high voltage for vehicular applications. Therefore, DC-DC converter with a high ... -
High gain switched-inductor-double-leg converter with wide duty range for dc microgrid
Samiullah Md.; Bhaskar M.S.; Meraj M.; Iqbal A.; Ashraf I.; Komurcugil H.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In a dc microgrid, efficient high gain converters are needed to raise the voltage level of low voltage power sources such as photovoltaic, fuel cells, etc. In this article, a high-gain switched-inductor-double-leg converter ... -
High gain three-state switching hybrid boost converter for DC microgrid applications
Maroti, P.K.; Padmanaban, S.; Bhaskar, M.S.; Meraj, M.; Iqbal, Atif; Al-Ammari R.... more authors ... less authors ( Institution of Engineering and Technology , 2019 , Article)A novel high gain three-state switching hybrid boost (TSS-HB) converter for DC microgrid applications is proposed in this study. The TSS-HB converter is developed from a conventional boost converter with voltage lift ... -
L-L Converter for Fuel Cell Vehicular Power Train Applications: Hardware Implementation of Primary Member of X-Y Converter Family
Bhaskar M.S.; Padmanaban S.; Iqbal A.; Meraj M.; Howeldar A.; Kamuruzzaman J.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)In this research work, L-L converter (primary member of XY converter family) is proposed and discussed in detail for fuel cell based Vehicular Power Train (FC VPT) and DC auxiliary loads. In normally, that the voltage of ... -
Low-order harmonics control in staircase waveform useful in high-power application by a novel technique
Ahmad S.; Al-Hitmi M.; Iqal A.; Ashraf I.; Meraj M.; Padmanaban S.... more authors ... less authors ( John Wiley and Sons Ltd , 2019 , Article)Few switching transition in high-power and medium-voltage application of power converters is desirable. The optimal pulse-width modulation (OPWM) at fundamental switching frequency offers a better quality waveform at lower ... -
Modified multilevel buck-boost converter with equal voltage across each capacitor: Analysis and experimental investigations
Bhaskar, M.S.; Al-Ammari, R.; Meraj, M.; Iqbal, Atif; Padmanaban S. ( Institution of Engineering and Technology , 2019 , Article)Recently, the circuitry of Multilevel Buck-Boost Converter (here, called MBBC1) is suggested in the literature to attain high inverting voltage by increasing the output levels of the classical buck-boost converter. However, ... -
New switching technique for quasi-Z-source resonant converter
Meraj, M.; Meraj, Mohamed; Rahman, Syed; Husain, Shahbaz; Ben-Brahim, Lazhar; Iqbal, Atif... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)© 2018 IEEE. The Quasi-Z-Source (QZS) inverters are the promising topology for the renewable integration with the grid. QZSI achieves the MPPT during the shoot through state, without additional DC-DC converter, and ... -
New tri-switching state non-isolated high gain DC-DC boost converter for microgrid application
Maroti P.K.; Al-Ammari R.; Bhaskar M.S.; Meraj M.; Iqbal A.; Padmanaban S.; Rahman S.... more authors ... less authors ( Institution of Engineering and Technology , 2019 , Article)High efficiency is an important requirement from DC-DC converter in DC microgrid system when integrated with renewable energy sources. This study proposes a new tri-switching state non-isolated high gain boost converter ... -
Nonisolated Symmetrical Interleaved Multilevel Boost Converter with Reduction in Voltage Rating of Capacitors for High-Voltage Microgrid Applications
Bhaskar M.S.; Meraj M.; Iqbal A.; Padmanaban S. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)This article proposed a nonisolated symmetrical interleaved multilevel boost converter for high-voltage microgrid applications. The proposed converter configuration is derived from the integration of a voltage multiplier ... -
Novel level-shifted PWM technique for cascaded multilevel quasi-impedance source inverter
Rahman, Syed; Meraj, Mohammad; Iqbal, Atif; Ben-Brahim, Lazhar; Abu-Rub, Haitham; Khan, Irfan... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In a multilevel quasi-impedance source inverter (qZSI), phase-shifted carrier pulsewidth modulation (PS-PWM) is the most popular modulation method as it offers advantages such as simple implementation and evenly powered ... -
Novel voltage balancing algorithm for single-phase cascaded multilevel inverter for post-module failure operation in solar photovoltaic applications
Rahman S.; Meraj M.; Iqbal A.; Ben-Brahim L. ( Institution of Engineering and Technology , 2019 , Article)Four cascaded quasi-impedance source inverter (qZSI) modules are required for achieving nine-level output voltage waveform. In case of one module failure, number of levels in output voltage are reduced to seven. This leads ... -
Performance Evaluation of Converters used in G2V and V2G Modes of Operation
Islam, Shirazul; Iqbal, Atif; Maherjardi, Hasan; Al Ammari, Rashid; Marzband, Mousa; Khan, Irfan; Meraj, M.; Rehman, S.; Nath Shaw, Rabindra; Kanaan, Laith... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)To enhance the reliability of supply, the V2G mode of operation is widely applied in electric vehicles. The V2G functionality is used to supply various services like regulation of active power demand, reactive power ... -
Rotor Flux-Oriented Control of Three-Phase Induction Motor Using Sliding Mode Controller and Rotor Flux Estimator
Sabbir, Ahmad H.M.; Meraj, M.; Iqbal, A.; Meskin, Nader ( Springer Science and Business Media Deutschland GmbH , 2021 , Conference Paper)The work focuses on implementing rotor flux-oriented control (RFOC) for controlling the rotational speed and torque of a three-phase squirrel cage induction motor (IM). The speed controller has been implemented based on ... -
Selective harmonics elimination in multilevel inverter by a derivative-free iterative method under varying voltage condition
Ahmad S.; Meraj M.; Iqbal A.; Ashraf I. ( ISA - Instrumentation, Systems, and Automation Society , 2019 , Article)Selective Harmonics Elimination Pulse width modulation (SHE PWM) presents an alternative modulation technique to operate medium voltage medium and high power converters as it reduces the switching losses. SHE PWM generates ...