Browsing by Author "Iqbal, A."
Now showing items 1-20 of 56
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A Family of High Step-Up A-Source Inverters with Clamped DC-Link Voltage
Esmaeili S.; Karimi S.; Mostaan A.; Iqbal A.; Siadatan A. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)A family of novel impedance source inverters based on an auto-transformer is presented in this manuscript. The proposed topologies utilize minimal coupled inductors turns ratio to obtain high voltage boost ability in ... -
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 More Efficient Induction Machine based on Hill Climbing Local Search Optimization
Srimathi, R.; Ponmurugan, P.; Iqbal, A.; Kamatchi, Kannan V.; Lakshmanan, M.; Nadin, E.S.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)A multi-objective search optimization technique is utilized to improve the efficiency of the induction machine design. This technique is referred to as Random restart local search optimization or Hill Climbing based local ... -
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 ... -
A novel current controller design for grid-integrated PV inverter system
Ahmad, Ayaz; Rajaji, L.; Iqbal, A. ( Springer Nature , 2021 , Article)Distributed generators are playing a vital role in supporting the grid in ever-increasing energy demands. Grid code regulation must be followed when integrating the photovoltaic inverter system to the grid. The paper ... -
A novel DTC scheme for a sensorless five-phase IM drive under open-phase fault
Echeikh H.; Kesraoui H.; Trabelsi R.; Iqbal A.; Mimouni M.F. ( Emerald Group Publishing Ltd. , 2019 , Article)Purpose: This paper aims to deal with direct torque controller when the five-phase induction motor drive in faulty operation. Precisely, open-phase fault condition is contemplated. Also, the DTC is combined with a ... -
Adaptive direct torque control using Luenberger-sliding mode observer for online stator resistance estimation for five-phase induction motor drives
Echeikh H.; Trabelsi R.; Iqbal A.; Mimouni M.F. ( Springer Verlag , 2018 , Article)Direct torque control is considered as one of the variable structure control techniques which are characterized by fast response, simplicity and provide direct control of both electromagnetic torque and stator flux by ... -
An Efficient Boost Converter for Energy Storage Systems in a DC Distribution System
Srimathi R.; Iqbal A.; Maheshwari K.T.; Maheswari R.; Kamatchi Kannan V. ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Power Electronic components and the converters are the mainstays of DC distribution. An Energy Storage System (ESS) is also required to keep the voltage on the DC bus stable. The intermittent power received from renewables ... -
An experimental study of the amphibious robot inspired by biological duck foot
Kashem S.B.A.; Jawed S.; Ahmed J.; Iqbal A. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)A lot of issues are faced in the exploration due to complexity of terrain and/or unexpected environment, due to which many places are left unmapped. The aim of this project is to design and develop an amphibious robot which ... -
Analysis and experimental verification of three-coil inductive resonant coupled wireless power transfer system
Sai Kiran K.B.; Kumari M.; Behera R.K.; Ojo O.; Iqbal A. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)In this paper, the basic principle of Wireless Power Transfer (WPT) based on resonance in magnetically coupled coils is described with detailed theoretical analysis of concepts. A novel approach of WPT is proposed using ... -
Application of the model predictive control and the SVPWM techniques on five-phase inverter
Hachi N.; Kouzou A.; Hafaifa A.; Iqbal A. ( ICPE Electra Publishing House , 2019 , Article)The multi-phase inverters have attracted recently much attention among the researchers, practitioners and industries due to their many advantages compared to their conventional count parts of single and three-phase inverters, ... -
Biofuels in Malaysian perspective: Debates and benefits
Siddique M.B.M.; Kashem S.B.A.; Iqbal A. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Fossil fuels bring about concerns like air pollution, rising greenhouse gas emissions due to its combustion and depletion issues. The need to more to biofuels as an alternative and renewable energy source is for a sustainable ... -
CMV reduction in a three-to-seven phase direct matrix converter using SVPWM
Rahman K.; Al-Emadi N.; Al-Hitmi M.; Iqbal A. ( Institution of Engineering and Technology , 2019 , Article)The pulse-width modulation (PWM)-controlled modern electric drives causes some serious problems such as the generation of common-mode voltage (CMV) and high dv/dt. The CMV might cause high-frequency leakage currents that ... -
Common mode voltage reduction technique in a three-to-three phase indirect matrix converter
Rahman K.; Al-Emadi N.; Iqbal A.; Rahman S. ( Institution of Engineering and Technology , 2018 , Article)In this study, common mode voltage (CMV) reduction using space vector pulse-width modulation (SVPWM) technique is proposed for a three-phase induction motor drive fed by a three-to-three phase indirect matrix converter ... -
Comparative study of sliding mode control and vector control in a five-phase permanent magnet synchronous motor drive
Hosseyni A.; Trabelsi R.; Faouzi Mimouni M.; Iqbal A. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Different control strategies have been recently proposed. In this paper, two control techniques are compared in a five-phase permanent magnet synchronous motor drive (PMSM). The strategies being compared are based on the ... -
Daily-seasonal operation in net-zero energy building powered by hybrid renewable energies and hydrogen storage systems
Mehrjerdi, H.; Iqbal, Atif; Rakhshani, E.; Torres, J.R. ( Elsevier Ltd , 2019 , Article)The net-zero energy buildings are often supplied by renewable resources and energy storage systems. These energy resources have different seasonal and daily patterns of power production. Their output power is also uncertain. ... -
Differential evolution-based pulse-width modulation technique for multiphase MC
Ali M.; Iqbal A.; Anees M.A.; Khan M.R.; Rahman K.; Ayyub M.... more authors ... less authors ( Institution of Engineering and Technology , 2019 , Article)This paper addresses multiphase matrix converter (MPMCs) modulated with Venturini's classical scalar approach. The solution to obtain time-varying modulation functions was limited to 3 × 3 configuration, which was later ... -
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 ...