Browsing by Author "n 2014186122"
Now showing items 21-40 of 167
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A Modular Multilevel Converter with Integrated Shared Capacitor Sub-Module for MV Motor Drives Incorporating Symmetrical Six-Phase Machines
DIab M.S.; Williams B.W.; Massoud A.M.; Ahmed S. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)This paper proposes a new modular multilevel converter (MMC) configuration as a medium-voltage drive for variable-speed applications incorporating symmetrical six-phase machines. The proposed topology employs six MMC ... -
A Modular Multilevel Converter with Ripple-Power Decoupling Channels for Three-Phase MV Adjustable-Speed Drives
Diab M.S.; Massoud A.M.; Ahmed S.; Williams B.W. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)This paper presents a drive system based on a modular multilevel converter (MMC) with high-frequency magnetic channels between adjacent-arm submodules (SMs), suitable for medium-voltage, high-power three-phase variable-speed ... -
A modular multilevel DC-DC converter with self-energy equalization for DC grids
Elserougi, A.; Abdelsalam, I.; Massoud, Ahmed; Ahmed, S. ( John Wiley and Sons Inc , 2021 , Article)Medium-/High Voltage DC grids are interesting for the integration of renewable energy sources. DC-DC conversion systems are highly needed for the development of DC grids. Recently, Modular Multilevel Converter (MMC) is the ... -
A Modular Multilevel Voltage-Boosting Marx Pulse-Waveform Generator for Electroporation Applications
Elgenedy M.A.; Massoud A.M.; Ahmed S.; Williams B.W.; McDonald J.R. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In order to overcome the limitations of the existing classical and solid-state Marx pulse generators, this paper proposes a new modular multilevel voltage-boosting Marx pulse generator (BMPG). The proposed BMPG has hardware ... -
A new five-phase to three-phase back-to-back current source converter based wind energy conversion system
Elgenedy, M. A.; Abdel-Khalik, A.; Elserougi, A.; Ahmed, S.; Massoud, Ahmed ( IEEE , 2013 , Conference Paper)Wind energy is one of the fastest growing renewable energy sources. The increased penetration of wind power into the utility grid brings challenges such as voltage and frequency fluctuations, generator torque ripples, and ... -
A new modulation technique for wide-range control of output voltage in Z-source inverters
Diab, M.S.; Elserougi, A.; Abdel-khalik, A.S.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Z-source inverter (ZSI) is recently proposed as a single-stage power conversion topology. It adds voltage boost capability for complementing the usual voltage buck operation of the traditional voltage source inverter with ... -
A new protection scheme for HVDC converters against DC-side faults with current suppression capability
Elserougi, A.A.; Abdel-Khalik, A. S.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Article)Two-level voltage-source converters and half-bridge modular multilevel converters are among the most popular types of HVDC converters. One of their serious drawbacks is their vulnerable nature to dc-side faults, since the ... -
A new single tooth winding layout for a single-phase induction motor with segmented stator
Abdel-Khalik, A.S.; Diab, M.S.; Ahmed, S.; Massoud, Ahmed ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Machines with modular structure significantly simplify the manufacturing process, particularly the stator winding, and highly increase the slot fill factor. The non-overlapping concentrated winding, or single tooth winding, ... -
A New Six-Phase FSCW Layout for Permanent Magnet Synchronous Wind Generators
Abdel-Khalik, A.S.; Abu-Elanien, A.E.B.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)This paper proposes a new non-overlapped six-phase Fractional Slot Concentrated Winding (FSCW) layout for a Permanent Magnet (PM) synchronous wind generator with an outer rotor and surface mounted magnets. The proposed ... -
A nine-arm modular multilevel converter (9A-MMC) for six-phase medium voltage motor drives
Elserougi, A.A.; Abdel-Khalik, A.S.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Dual three-phase (asymmetrical six-phase) induction motors have received significant attention in high power medium voltage drive applications. Typically, two three-phase voltage source converters are needed to feed such ... -
A novel open-stator-winding DFIM flywheel architecture for renewable energy applications
Gowaid, I.,A.; Elserougi, A.; Abdel-Khalik, A.S.; Massoud, Ahmed; Ahmed, S. ( IEEE , 2013 , Conference Paper)Energy storage is becoming a basic component of modern renewable power plants, especially wind farms. For several considerations, local wind turbine (WT) energy storage is preferred. Flywheel energy storage is among the ... -
A power control strategy for flywheel doubly-fed induction machine storage system using artificial neural network
Abdel-Khalik, A.; Elserougi, A.; Massoud, Ahmed; Ahmed, S. ( Elsevier Ltd , 2013 , Article)A large-capacity low-speed flywheel energy storage system (FESS) based on a doubly-fed induction machine (DFIM) consists of a wound-rotor induction machine and a back-to-back converter rated at 30-35% of the machine power ... -
A reduced switch-count SEPIC-based inverter for asymmetrical dual three-phase induction machines
Diab, M. S.; Elserougi, A.; Abdel-Khalik, A. S.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)The interest in multiphase drives has been steadily growing during the last decade due to the promising potentials offered by multiphase machines over conventional three-phase counterpart. In this context, six-phase induction ... -
A reduced switch-count single-phase SEPIC-based inverter
Diab, M.S.; Elserougi, A.; Massoud, Ahmed; Abdel-Khalik, A.S.; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Recently, reduced switch-count converters have garnered exceptional attention in power electronic systems due to the diversified advantages such as low cost, low weight and volume, and high reliability offered by them. In ... -
A Self-Balanced Bidirectional Medium-/High-Voltage Hybrid Modular DC-DC Converter with Low-Voltage Common DC-Link and Sequential Charging/Discharging of Submodules Capacitors
Elserougi A.A.; Massoud A.; Abdelsalam I.; Ahmed S. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)This paper proposes a medium-/high-voltage high-power hybrid modular DC-DC converter to interconnect two different dc-voltage levels in medium-/high-voltage dc grids. The converter consists of half-bridge submodules (SMs) ... -
A simple active-power control technique for grid-connected three-phase inverters at unity power factor
Elserougi, A.; Abdel-Khalik, A.S.; Ahmed, S.; Massoud, Ahmed ( IEEE Computer Society , 2013 , Conference Paper)This paper presents a simple active-power control technique for low voltage grid-connected three-phase inverters with zero injected reactive power (unity power factor at grid). Two versions of the proposed controller are ... -
A single-stage three-phase DC/AC inverter based on Cuk converter for PV application
Darwish, A.; Elserougi, A.; Abdel-Khalik, A. S.; Ahmed, S.; Massoud, Ahmed; Holliday, D.; Williams, B. W.... more authors ... less authors ( IEEE , 2013 , Conference Paper)This paper presents a new three-phase dc-ac inverter based on the basic Cuk converter. The main feature of the proposed topology is the fact that the energy storage elements as inductors and capacitors values can be reduced ... -
A single-stage three-phase inverter based on cuk converters for PV applications
Darwish, A.; Holliday, D.; Ahmed, S.; Massoud, Ahmed; Williams, B. W. ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)This paper presents a new three-phase inverter based on the Cuk converter. The main feature of the proposed topology is that the energy storage elements, such as inductors and capacitors, can be reduced in order to improve ... -
A Six-Arm Symmetrical Six-Phase Hybrid Modular Multilevel Converter with Unidirectional Current Full-Bridge Submodules
Elserougi A.; Diab M.S.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Multiphase converter complexity is one of the concerns that restrict the widespread utilization of multiphase machines. One of the developmental trends to alleviate the converter complexity is reducing passive and active ... -
A stationary frame current control for inverter-based distributed generation with sensorless active damped LCL filter using Kalman filter
El-Deeb, H.M.; Elserougi, A.; Abdel-Khalik, A.S.; Ahmed, S.; Massoud, Ahmed ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Due to the large variety of renewable power sources, power electronics play an important role in energy conversion. Different power converter topologies are used to interface distributed power generation systems (DPGS) ...