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Research Output 2001 2020

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Conference contribution
2013
4 Citations (Scopus)

Modified modulation scheme for photovoltaic fed grid-connected three-phase boost inverter

Diab, M. S., Elserougi, A., Abdel-Khalik, A., Massoud, A. M. & Ahmed, S., 2013, Proceedings, IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society. p. 1735-1740 6 p. 6699394

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modulation
Electric potential
Reactive power
Conversion efficiency
Capacitors
3 Citations (Scopus)

Multi-module Bi-directional Buck-Boost Inverter-based HVDC back-to-back transmission system

Elserougi, A., Abdel-Khalik, A., Massoud, A. & Ahmed, S., 2013, 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013. p. 2582-2589 8 p. 6647034

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Semiconductor devices
Wind power
Controllers
1 Citation (Scopus)

New topologies for photovoltaic-fed single-stage boost inverters

Elserougi, A., Massoud, A. M., Abdel-Khalik, A. & Ahmed, S., 2013, 2013 7th IEEE GCC Conference and Exhibition, GCC 2013. p. 54-58 5 p. 6705748

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Topology
Electric potential
11 Citations (Scopus)

Open loop V/f control of multiphase induction machine under open-circuit phase faults

Morsy, A. S., Abdel-Khalik, A., Abbas, A., Ahmed, S. & Massoud, A., 2013, 2013 28th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2013. p. 1170-1176 7 p. 6520447

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Stators
Controllers
Networks (circuits)
Electric potential
Torque

Performance assessment of renewable energy-fed three-phase grid-connected voltage source converters and boost inverters during DC side faults

Elserougi, A., Abdel-Khalik, A., Massoud, A. M. & Ahmed, S., 2013, Proceedings, IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society. p. 1154-1158 5 p. 6699295

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Electric fault currents
Semiconductor devices
Controllability

Performance of a five-phase boost inverter-fed submersible induction machine

Hakeem, A. A., Elserougi, A., Abdel-Khalik, A., Ahmed, S. & Massoud, A. M., 2013, Proceedings of the 2013 IEEE International Electric Machines and Drives Conference, IEMDC 2013. p. 180-187 8 p. 6556251

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Submersible pumps
10 Citations (Scopus)

Sensorless field oriented control of five-phase induction machine under open-circuit phase faults

Morsy, A. S., Abdel-Khalik, A., Ahmed, S. & Massoud, A., 2013, 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013. p. 5112-5117 6 p. 6647391

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Networks (circuits)
Electric current control
Switching frequency
Hysteresis
4 Citations (Scopus)

Sensorless V/f control with MRAS speed estimator for a five-phase induction machine under open-circuit phase faults

Morsy, A. S., Abdel-Khalik, A., Ahmed, S. & Massoud, A., 2013, 2013 7th IEEE GCC Conference and Exhibition, GCC 2013. p. 268-273 6 p. 6705788

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Torque
Networks (circuits)
Electric current control
Rotors
5 Citations (Scopus)

Vector control of multiphase induction machine under open-circuit phase faults

Abdel-Khalik, A., Elserougi, A., Ahmed, S. & Massoud, A., 2013, Proceedings of 2013 4th International Conference on Power Engineering, Energy and Electrical Drives, POWERENG 2013. p. 229-234 6 p. 6635611

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Stators
Networks (circuits)
Torque
Electric potential
2012
2 Citations (Scopus)

A coaxial magnetic gearbox with magnetic levitation capabilities

Abdel-Khalik, A., Massoud, A., Elserougi, A. & Ahmed, S., 2012, Proceedings - 2012 20th International Conference on Electrical Machines, ICEM 2012. p. 542-548 7 p. 6349922

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic levitation
Gears
Torque
Rotors
11 Citations (Scopus)

Active and reactive power management of photovoltaic-based interline dynamic voltage restorer in low voltage distribution networks

Elserougi, A., Abdel-Khalik, A., Ahmed, S. & Massoud, A., 2012, 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. p. 3098-3104 7 p. 6342355

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reactive power
Electric power distribution
Electric potential
Power management
Restoration
6 Citations (Scopus)

A design example of an 8-pole radial AMB for flywheel energy storage

Daoud, M. I., Abdel-Khalik, A., Massoud, A., Ahmed, S. & Abbasy, N. H., 2012, Proceedings - 2012 20th International Conference on Electrical Machines, ICEM 2012. p. 1153-1159 7 p. 6350021

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic bearings
Flywheels
Energy storage
Poles
Bearings (structural)
4 Citations (Scopus)

A modified modulation scheme for capacitor voltage control of renewable energy-fed grid-connected Z-Source Inverters

Hakeem, A. A., Elserougi, A., El Zawawi, A., Ahmed, S. & Massoud, A. M., 2012, Proceedings, IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society. p. 886-893 8 p. 6389172

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Voltage control
Capacitors
Modulation
Electric potential
Semiconductor devices
3 Citations (Scopus)

A new control strategy for megawatt scale multilevel photovoltaic inverters under partial shading

Essakiappan, S., Krishnamoorthy, H. S., Enjeti, P., Balog, R. & Ahmed, S., 2012, Proceedings - 2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2012. p. 336-343 8 p. 6254023

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric inverters
Electric potential
Multiple zones
Reactive power
Controllers
33 Citations (Scopus)

A new multilevel converter for megawatt scale solar photovoltaic utility integration

Krishnamoorthy, H. S., Essakiappan, S., Enjeti, P. N., Balog, R. & Ahmed, S., 2012, APEC 2012 - 27th Annual IEEE Applied Power Electronics Conference and Exposition. p. 1431-1438 8 p. 6166008

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Insulated gate bipolar transistors (IGBT)
Capacitors
Switches
Topology

A novel magnetically-levitated flywheel energy storage alternative to lithium-ion battery packs for oilfield service

Saeed, A., Palazzolo, A. & Ahmed, S., 2012, ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012. PARTS A AND B ed. Vol. 4. p. 525-534 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bottom-hole assembly
Flywheels
Energy storage
Magnetic levitation
Drilling
4 Citations (Scopus)

A wind turbine architecture employing a new three port magnetic gear box

Abdel-Khalik, A., Elserougi, A., Ahmed, S. & Massoud, A., 2012, 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. p. 1917-1924 8 p. 6342578

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wind turbines
Gears
Rotors
Asynchronous generators
Networks (circuits)
1 Citation (Scopus)

Brushless doubly fed induction machine as a variable frequency transformer

Abdel-Khalik, A., Elserougi, A., Ahmed, S. & Massoud, A., 2012, 6th IET International Conference on Power Electronics, Machines and Drives, PEMD 2012. 592 CP ed. Vol. 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rotors
Stators
Torque control
Brushes
Reactive power
2 Citations (Scopus)

Control of doubly-fed induction machine storage system for constant charging/discharging grid power using artificial neural network

Abdel-Khalik, A., Elserougi, A., Massoud, A. & Ahmed, S., 2012, 6th IET International Conference on Power Electronics, Machines and Drives, PEMD 2012. 592 CP ed. Vol. 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flywheels
Neural networks
Rotors
Power control
Controllers
4 Citations (Scopus)

Elimination of reverse recovery effects associated with CoolMOS devices employing current source inverter topology

Farag, M. M., Gadoue, S. M., Mohamadein, A. L., Massoud, A. M. & Ahmed, S., 2012, 6th IET International Conference on Power Electronics, Machines and Drives, PEMD 2012. 592 CP ed. Vol. 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Diodes
Topology
Recovery
Transistors
Electric potential
4 Citations (Scopus)

Fault ride-through capability enhancement based on flywheel energy storage system for wind farms connected via VSC high voltage DC transmission

Ahmed, K. H., Abdel-Khalik, A., Elserougi, A., Massoud, A. & Ahmed, S., 2012, 10th IET International Conference on AC and DC Power Transmission, ACDC 2012. 610 CP ed. Vol. 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

HVDC power transmission
Flywheels
Energy storage
Farms
Electric potential
7 Citations (Scopus)

Independent control of series connected utility scale multilevel photovoltaic inverters

Essakiappan, S., Krishnamoorthy, H. S., Enjeti, P., Balog, R. & Ahmed, S., 2012, 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. p. 1760-1766 7 p. 6342599

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric inverters
Electric potential
Multiple zones
Incident solar radiation
Reactive power
4 Citations (Scopus)

Linearized sensorless adaptive voltage positioning controller for DC-DC boost power converter

Huang, W., Abu Qahouq, J. A. & Ahmed, S., 2012, 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. p. 351-357 7 p. 6342801

Research output: Chapter in Book/Report/Conference proceedingConference contribution

DC-DC converters
Controllers
Electric potential
Power converters
System stability
6 Citations (Scopus)

Magnetic gearbox with an electric power output port and fixed speed ratio for wind energy applications

Abdel-Khalik, A., Ahmed, S., Massoud, A. & Elserougi, A., 2012, Proceedings - 2012 20th International Conference on Electrical Machines, ICEM 2012. p. 702-708 7 p. 6349948

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Asynchronous generators
Wind power
Wind turbines
Poles
Turbines
18 Citations (Scopus)

On the development of flywheel storage systems for power system applications: A survey

Daoud, M. I., Abdel-Khalik, A., Massoud, A., Ahmed, S. & Abbasy, N. H., 2012, Proceedings - 2012 20th International Conference on Electrical Machines, ICEM 2012. p. 2119-2125 7 p. 6350175

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flywheels
Energy storage
Leveling (machinery)
Uninterruptible power systems
Electric machinery
4 Citations (Scopus)

Simplified generic on-line PWM technique for single phase grid connected current source inverters

Abdelsalam, A. K., Massoud, A., Darwish, A. & Ahmed, S., 2012, APEC 2012 - 27th Annual IEEE Applied Power Electronics Conference and Exposition. p. 1398-1403 6 p. 6166003

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulse width modulation
Switches
Modulation
Semiconductor materials
2 Citations (Scopus)

Single sensor three-phase permanent magnet synchronous motor drive based on Luenberger style-observers

Hafez, B., Abdel-Khalik, A., Massoud, A. M., Ahmed, S. & Lorenz, R. D., 2012, ICEMS 2012 - Proceedings: 15th International Conference on Electrical Machines and Systems. 6401717

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Synchronous motors
Permanent magnets
Rotors
Sensors
Electric current measurement
2011
20 Citations (Scopus)

Analysis and mitigation of common mode voltages in photovoltaic power systems

Essakiappan, S., Enjeti, P., Balog, R. & Ahmed, S., 2011, IEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings. p. 28-35 8 p. 6063745

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Topology
DC-DC converters
Signal interference
Shielding
3 Citations (Scopus)

Assessment of fault-ride through capability of grid-connected brushless DFIG wind turbines

Azmy, I., Abdel-Khalik, A., Massoud, A. M. & Ahmed, S., 2011, IET Conference on Renewable Power Generation, RPG 2011. 579 CP ed. Vol. 2011. p. 132 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wind turbines
Solar chimneys
Electric potential
Brushes
Gears
3 Citations (Scopus)

Comparative evaluation of four quasi-square wave fed multiphase induction machines

Abdel-Khalik, A., Ahmed, S. & Massoud, A., 2011, Proceedings: IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society. p. 3476-3481 6 p. 6119871

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torque
Electric potential
Switching frequency
Switches
Topology
4 Citations (Scopus)

Comparative study of five-phase in-wheel fault-tolerant modular PM machines with different number of rotor poles

Abdel-Khalik, A. & Ahmed, S., 2011, 2011 International Conference on Power Engineering, Energy and Electrical Drives, PowerEng2011. 6036525

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Poles
Wheels
Rotors
Torque
Stators

Feed-forward frequency compensator for APWM HB flyback converter

Jung, J. H., Ahmed, S. & Baek, J. W., 2011, 8th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2011-ECCE Asia. p. 607-614 8 p. 5944620

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric commutation
Electric potential
Conversion efficiency
Pulse width modulation
Zero current switching
4 Citations (Scopus)

Flywheel energy storage system based on boost DC-AC converter

Elserougi, A., Massoud, A. M. & Ahmed, S., 2011, IET Conference on Renewable Power Generation, RPG 2011. 579 CP ed. Vol. 2011. p. 241 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flywheels
Energy storage
DC-DC converters
Electric potential
MATLAB
1 Citation (Scopus)

Harmonic rejection using multi-synchronous reference frame technique for CSI-based distributed generation with grid voltage distortion

Morsy, A. S., Tawfeek, M., Lotfy, A., Ahmed, S. & Massoud, A., 2011, 2011 International Conference on Power Engineering, Energy and Electrical Drives, PowerEng2011. 6036460

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Distributed power generation
Switching frequency
Passive filters
Electric potential
Bandwidth
11 Citations (Scopus)

Single phase grid connected current source inverter: Mitigation of oscillating power effect on the grid current

Darwish, A., Abdelsalam, A. K., Massoud, A. M. & Ahmed, S., 2011, IET Conference on Renewable Power Generation, RPG 2011. 579 CP ed. Vol. 2011. p. 234 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Short circuit currents
Tuning
Hardware
Controllers
2010
10 Citations (Scopus)

An active damping technique for a current source inverter employing a virtual negative inductance

Morsy, A. S., Ahmed, S., Enjeti, P. & Massoud, A., 2010, APEC 2010 - 25th Annual IEEE Applied Power Electronics Conference and Exposition. p. 63-67 5 p. 5433694

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inductance
Damping
Phase stability
Electric potential
1 Citation (Scopus)

Design and evaluation of a magnetic planetary gearbox for compact harsh environments

Abdel-Khalik, A., Elshebeny, A. S. & Ahmed, S., 2010, SPEEDAM 2010 - International Symposium on Power Electronics, Electrical Drives, Automation and Motion. p. 1178-1182 5 p. 5544767

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Permanent magnets
Gears
Oil well logging
Fluids
Rare earths
1 Citation (Scopus)

Fast computation methods of PEM fuel cell dynamic models for real-time simulation

Jung, J. H., Ahmed, S. & Prasad, E., 2010, 2010 International Power Electronics Conference - ECCE Asia -, IPEC 2010. p. 954-961 8 p. 5542182

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Proton exchange membrane fuel cells (PEMFC)
Dynamic models
Fuel cells
Simulators
Power electronics
7 Citations (Scopus)

High step-up DC-DC converter with two transformers for low DC renewable energy systems

Jung, J. H., Choi, W. Y. & Ahmed, S., 2010, 2010 International Power Electronics Conference - ECCE Asia -, IPEC 2010. p. 1471-1477 7 p. 5544505

Research output: Chapter in Book/Report/Conference proceedingConference contribution

DC-DC converters
Diodes
Clamping devices
Electric potential
Inductance
19 Citations (Scopus)

Inverter-based versus synchronous-based distributed generation; Fault current limitation and protection issues

Massoud, A. M., Ahmed, S., Finney, S. J. & Williams, B. W., 2010, 2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings. p. 58-63 6 p. 5618078

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric fault currents
Distributed power generation
Asynchronous generators
Synchronous generators
9 Citations (Scopus)

Investigation of inter-line dynamic voltage restorer with virtual impedance injection

Elserougi, A., Hossam-Eldin, A., Massoud, A. & Ahmed, S., 2010, Proceedings - IECON 2010, 36th Annual Conference of the IEEE Industrial Electronics Society. p. 1975-1980 6 p. 5675290

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Controllers
Restoration
Power control
Voltage control
1 Citation (Scopus)

Low standby power consumption and high cross regulation of active clamp flyback converter with SSPR

Jung, J. H. & Ahmed, S., 2010, Proceedings - IECON 2010, 36th Annual Conference of the IEEE Industrial Electronics Society. p. 544-549 6 p. 5675224

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Clamping devices
Electric power utilization
Networks (circuits)
Conservation
Switches
52 Citations (Scopus)

Model construction of single crystalline photovoltaic panels for real-time simulation

Jung, J. H. & Ahmed, S., 2010, 2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings. p. 342-349 8 p. 5618015

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Crystalline materials
Power electronics
Dynamic models
Numerical methods
Simulators
2009

Drilling rig fuel and emissions reduction through regenerative braking, load leveling and grid drilling

Ahmed, S., Tafreshi, R., Palazzolo, A. & Tucker, R., 2009, Society of Petroleum Engineers - International Petroleum Technology Conference 2009, IPTC 2009. Vol. 4. p. 2765-2769 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Regenerative braking
Drilling rigs
drilling rig
leveling
Drilling
2008
2 Citations (Scopus)

Hard switched MOSFET inverter for elevated temperature applications

Ahmed, S., 2008, PESC '08 - 39th IEEE Annual Power Electronics Specialists Conference - Proceedings. p. 3184-3190 7 p. 4592443

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MOSFET
Inverter
field effect transistors
Power electronics
Silicon carbide

Robust flux observer system with sliding mode field oriented control of induction motors

Shehadeh, H., Abu-Rub, H. & Ahmed, S., 2008, 2008 12th International Middle East Power System Conference, MEPCON 2008. p. 239-243 5 p. 4562399

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Induction motors
Stators
Fluxes
Feedback
Vector control (Electric machinery)
2007

A high density power converter for remotely operated load

Ahmed, S., Patibandla, H., Enjeti, P. N. & Toliyat, H. A., 2007, PESC 07 - IEEE 38th Annual Power Electronics Specialists Conference. p. 1458-1464 7 p. 4342209

Research output: Chapter in Book/Report/Conference proceedingConference contribution

power converters
Zero voltage switching
Power Converter
Power converters
Converter

Application of a dual voltage exterior rotor PM actuator in compact harsh environments

Ahmed, S. & Toliyat, H. A., 2007, Proceedings of 2007 IEEE International Electric Machines and Drives Conference, IEMDC 2007. Vol. 1. p. 289-294 6 p. 4270654

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Permanent magnets
Actuators
Rotors
Electric potential
Dynamic models
11 Citations (Scopus)

Coupled field analysis needs in the design of submersible electric motors

Ahmed, S. & Toliyat, H. A., 2007, IEEE Electric Ship Technologies Symposium, ESTS 2007. p. 231-237 7 p. 4233827

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Submersible motors
Electric motors
Synchronous motors
Permanent magnets
Drag
2002
2 Citations (Scopus)

Induction machines performance evaluator 'torque speed estimation and rotor fault diagnostic'

Haji, M., Ahmed, S. & Toliyat, H. A., 2002, Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC. Vol. 2. p. 764-769 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Induction motors
Torque
Rotors
Torque motors
Digital signal processors