Browsing Electrical Engineering by Author "Massoud, A. M."
Now showing items 1-20 of 31
-
A DC autotransformer design for medium and high voltage DC transmission systems
Gowaid I.A.; Adam G.P.; Williams B.W.; Massoud A.M.; Ahmed S. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)This paper studies a dc-dc converter topology dual to the ac autotransformer for medium and high voltage dc-dc conversion. Operation with trapezoidal modulation is analyzed where the dc autotransformer is built of ... -
A Dual Modular Multilevel Converter with High-Frequency Magnetic Links between Submodules for MV Open-End Stator Winding Machine Drives
Diab M.S.; Massoud A.M.; Ahmed S.; Williams B.W. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)This paper presents a dual modular multilevel converter (MMC) topology that utilizes energy exchange between adjacent-arm submodules (SMs), operating with out-of-phase modulation. The proposed configuration is applicable ... -
A Grid-Connected Capacitor-Tapped Multimodule Converter for HVDC Applications: Operational Concept and Control
Elserougi A.A.; Massoud A.M.; Ahmed S. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)In this paper, a dc-ac buck converter is proposed as a grid-side converter in high voltage dc (HVdc) transmission systems for high-power renewable energy source grid integration. The proposed architecture consists of ... -
A High-Gain, High-Voltage Pulse Generator Using Sequentially Charged Modular Multilevel Converter Submodules, for Water Disinfection Applications
Elgenedy M.A.; Massoud A.M.; Ahmed S.; Williams B.W. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)Modularity, redundancy, and scalability are the key features recently sought in high-voltage (HV) pulse generators (PGs) for electroporation applications. Such features are gained by utilizing modular multilevel converter ... -
A HVDC shunt tap based on unidirectional hybrid modular DC-DC converter with simultaneous charging and sequential discharging of capacitors
Elserougi A.A.; Massoud A.M.; Ahmed S. ( Elsevier Ltd , 2018 , Article)In this paper, a new HVDC shunt tap is proposed. The proposed configuration consists of a unidirectional hybrid modular DC-DC converter followed by a voltage source converter for DC-AC conversion to feed a local AC network ... -
A Hybrid Nine-Arm Modular Multilevel Converter for Medium-Voltage Six-Phase Machine Drives
Diab M.S.; Elserougi A.A.; Massoud A.M.; Ahmed S.; Williams B.W. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)The nine-arm modular multilevel converter (9A-MMC) has been recently proposed as a reduced MMC topology variation for six-phase drive applications, with 25% reduction in the number of employed arms and associated components, ... -
A Modular High-Voltage Pulse-Generator with Sequential Charging for Water Treatment Applications
Elserougi, A. A.; Massoud, A. M.; Ahmed, Shehab ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)High-voltage pulse-generators can be used effectively for bacterial decontamination in water treatment applications. Applying a pulsed electric field to the infected water sample guarantees killing of harmful germs and ... -
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 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 twelve-pulse line commutated converter drive system with vsi for starting up and active power filtering
Khan, F. I.; Massoud, A. M. ( Institution of Engineering and Technology , 2016 , Conference Paper)Variable frequency drives (VFDs) are an integral component of the industry these days. VFDs provide a wide range of control over equipment such as, electrical motors and generators, and can be integrated in several ... -
Analysis of Scalar PWM Approach with Optimal Common-Mode Voltage Reduction Technique for Five-Phase Inverters
Dabour S.M.; Abdel-Khalik A.S.; Massoud A.M.; Ahmed S. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Research on common-mode-voltage (CMV) reduction in multiphase drive systems has recently met an intensified interest in the available literature. This paper first explores two existing space-vector-based CMV reduction ... -
Application of Standard Three-Phase Stator Frames in Prime Phase Order Multiphase Machine Construction
Abdel-Khalik A.S.; Massoud A.M.; Ahmed S. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)The application of multiphase machines in high-power applications is now a recognized alternative, thanks to their higher fault-Tolerance when compared with standard three-phase systems. Although multiphase machines with ... -
Boost inverter-based HVDC transmission system with inherent blocking capability of AC side contribution during DC side faults
Elserougi, A.; Massoud, A.M.; Abdel-Khalik, A.S.; Ahmed, Shehab ( Elsevier Ltd , 2014 , Article)Semiconductor advancements in the past three decades have positioned the voltage source converter-based HVDC (VSC-HVDC) solution as a practical and popular alternative to its line-commutated converter high voltage DC ... -
Common-mode voltage reduction for space vector modulated three- to five-phase indirect matrix converter
Dabour S.M.; Abdel-Khalik A.S.; Ahmed S.; Massoud A.M.; Allam S.M. ( Elsevier Ltd , 2018 , Article)All available Pulse Width Modulation (PWM) techniques employed to different Matrix Converter (MC) topologies generally generate switching Common-Mode Voltage (CMV), which introduces numerous operational concerns in electric ... -
Design of a controlled solid state device for fault current limitation and arc flash suppression
Alsalemi, S.; Almadhoun, S.; Najad, M.; Massoud, A. M.; Soliman, R. ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)This paper presents a solution to High Fault Current (HFC) in low voltage distribution systems by surveying different types of Fault Current Limiter (FCL) devices, shedding light on Solid State FCL (SSFCL) particularly the ... -
Design of a low voltage DC grid interfacing PV and energy storage systems
Elfeqy, H.; Al-Rumaihi, A. S.; Shahin, M. S.; Massoud, A. M.; Gastli, A. ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)A design of a Photovoltaic (PV) power system architecture with energy storage system for low voltage DC grid applications is presented in this paper. The system components include the following: PV panels with non-isolated ... -
Design, analysis, and assessment of an inductive power transfer system for transportation applications
Osama, A.; Osama, A.; Elhag, I.; Alsaifi, J.; Massoud, A. M. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)© 2018 IEEE. In this paper, the parallel-series compensation approach, based on LCL circuit, for Inductive Power Transfer (IPT) is designed, analyzed, and assessed with respect to the seriesseries compensation approach for ... -
Effect of DC-Link Voltage Limitation on Postfault Steady-State Performance of Asymmetrical Six-Phase Induction Machines
Abdel-Khalik A.S.; Massoud A.M.; Ahmed S. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)The asymmetrical six-phase induction machine represents the most common multiphase machine type used in many high-power industrial applications. While a body of research covering control of the machine under fault conditions ... -
Evaluation of a multilevel cascaded-type dynamic voltage restorer employing discontinuous space vector modulation
Massoud, A.M.; Ahmed, S.; Enjeti, P.N.; Williams, B.W. ( IEEE Industrial Electronics Society , 2010 , Article)In this paper, the application of a cascaded multilevel inverter as a dynamic voltage restorer (DVR) is investigated. Two discontinuous multilevel space vector modulation (SVM) techniques are implemented for DVR control ...