تصفح حسب المؤلف "n 2011088829"
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A novel methodology to validate cyberattacks and evaluate their impact on power systems using real time digital simulation
Hussain, Shahbaz; Iqbal, Atif; Zanero, Stefano; Suhail Hussain, ShahbazM.; Shikfa, Abdullatif; Ragaini, Enrico; Alammari, Rashid; Khan, Irfan... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)The traditional power systems are rapidly digitalized and automated for increased monitoring and control. This automation of power system communication has made it possible to monitor and control operations remotely in a ... -
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 Novel Pulse Width Amplitude Modulation for Elimination of Multiple Harmonics in Asymmetrical Multilevel Inverter
Ahmad, Salman; Khan, Irfan; Iqbal, Atif; Rahman, Syed ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)For medium voltage high power applications the low switching frequency PWM techniques for power converters is preferred. In preprogrammed low switching frequency based PWM technique, the main difficulty is in solving the ... -
A novel sensorless control for multiphase induction motor drives based on singularly perturbed sliding mode observer-experimental validation
Mossa, M. A.; Echeikh, H.; Iqbal, Atif; Do, T. D.; Al-Sumaiti, A. S. ( MDPI AG , 2020 , Article)This paper aims to develop an innovative sensorless control approach for a five-phase induction motor (IM) drive. The operation principle of the sensorless scheme is based on the sliding mode theory, within which a sliding ... -
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 review on fractional order (FO) controllers' optimization for load frequency stabilization in power networks
Abdul Latif; Hussain, S.M. Suhail; Das, Dulal Chandra; Ustun, Taha Selim; Iqbal, Atif ( Elsevier Ltd , 2021 , Article Review)Keeping generation and demand balance is a fundamental requirement in power networks. It maintains frequency of the system within permissible limits. For microgrids, this balance is important to keep tie-line power below ... -
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, ... -
A Switched Capacitor-Based 13-Level Inverter With Reduced Switch Count
Islam, Shirazul; Siddique, Marif Daula; Iqbal, Atif; Mekhilef, Saad; Al-Hitmi, Mohammed ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)In this article, a 13-level switched capacitor multilevel inverters (SC-MLI) based single-phase inverter is proposed in which desired levels of output ac voltage are realized with reduced number of switch counts. The ... -
A switched-capacitor multilevel inverter topology employing a novel variable structure nearest-level modulation
Sarwer, Zeeshan; Siddique, Marif Daula; Sarwar, Adil; Zaid, Mohammad; Iqbal, Atif; Mekhilef, Saad... more authors ... less authors ( John Wiley and Sons Ltd , 2021 , Article)This article introduces a nine-level switched-capacitor multilevel inverter with twice voltage boosting feature. It also aims at proposing a novel variable structure nearest-level modulation scheme that has been implemented ... -
Accurate Fundamental Harmonic Modeling of Inductive Power Transfer Battery Chargers
Namadmalan, Alireza; Alonso, Jose Marcos; Iqbal, Atif ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)This article presents a precise fundamental harmonic approximation (FHA) for modeling series-series compensated inductive power transfer (IPT) systems with constant voltage load, e.g., with battery load. In comparison with ... -
Adaptability of 9-switch inverter configurations for multiphase induction motors with phase reconfiguring techniques
Reddy, B. Prathap; Iqbal, Atif; Riyaz, A. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)The 9 switch inverter (9SI) configuration is capable to control the power for two independent 3-phase loads simultaneously. However, this 9SI has the limitation on modulation index (M.I) since each inverter leg is controlled ... -
An Event-Triggered Robust Attitude Control of Flexible Spacecraft With Modified Rodrigues Parameters Under Limited Communication
Amrr, Syed Muhammad; Un Nabi, Mashuq; Iqbal, Atif ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)The attitude regulation of spacecraft using continuous time execution of the control law is not always affordable for the low-cost satellites with limited wireless resources. Of late, within the ambit of control of systems ... -
An improved sensorless sliding mode control/adaptive observer of a five-phase permanent magnet synchronous motor drive
Hosseyni, Anissa; Trabelsi, Ramzi; Iqbal, Atif; Padmanaban, Sanjeevikumar; Mimouni, Med Faouzi ( Springer London , 2017 , Article)This paper presents a new sliding mode observer (SMO) for sensorless sliding mode control (SMC) of five-phase permanent magnet synchronous motor (PMSM) with online stator resistance estimation. The proposed approach is ... -
Analysis of a three-phase to seven-phase transformer under unbalanced input
Tabrez, M.; Sadhu, P. K.; Iqbal, Atif; Bakhsh, F. I. ( Springer , 2020 , Article)In the recent past, multiphase power generation, power transmission, and multiphase drive system are the main focus of research due to their several advantages over existing three phase system. Multiphase drives have better ... -
ANN-based system for a discrimination between unbalanced supply voltage and phase loss in induction motors
Refaat, Shady S.; Abu-Rub, Haitham; Iqbal, Atif ( Institution of Engineering and Technology , 2014 , Conference Paper)It is documented that almost 98% of all voltage generated by electric utilities has up to 3% unbalance. Single phasing fault deserves special attention since phase loss is considered the worst case of unbalanced supply ... -
Application of artificial intelligence in electrical power systems
Hussain, Shahbaz; Alammari, Rashid; Iqbal, Atif; Shikfa, Abdullatif ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)In this paper, the application of heuristic and optimization algorithms based on artificial intelligence (AI) is investigated on electrical power systems. Three distinct areas have been categorized validating the application ... -
Artificial Bee Colony Based Solar PV System with Z-Source Multilevel Inverter
Minai, A.F.; Usmani, T.; Iqbal, Atif; Mallick, M. A. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)In recent days there is a great advancement takes place in the field of power conversion. There are so many novel converters are in practice whose performance is very good and that's why they attract the users for its ... -
Asymmetrical multilevel inverter topology with low total standing voltage and reduced switches count
Bin Arif, M. Saad; Sarwer, Zeeshan; Siddique, Marif Daula; Md. Ayob, Shahrin; Iqbal, Atif; Mekhilef, Saad... more authors ... less authors ( John Wiley and Sons Ltd , 2021 , Article)This paper presented an improved asymmetrical multilevel inverter module with reduced switches count. The basic module is capable of producing 15 level outputs with four dc sources and 10 switches. The proposed topology ... -
Big-Data Analytics Based Energy Analysis and Monitoring for Multi-storey Hospital Buildings: Case Study
Fatema, N.; Malik, H.; Iqbal, Atif ( Springer , 2020 , Book chapter)Big-Data analytics based energy analysis and monitoring for multistory buildings plays an important role in proper management and control of operation of the hospital. In this study, hospitals of 16 time zones of three ...