High Performance Adjustable-Speed Induction Motor
Drive System Incorporating Sensorless Vector Controlled PWM Inverter with Auto-Tuning Machine-Operated
Parameter Estimation Schemes

Research Authors
K. Soshin, Y. Okamura, Tarek Ahmed and M.Nakaoka
Research Department
Electrical Engineering Department
Research Journal
Journal of Power Electronics
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.99-114
Research Rank
1
Research Vol
vol. 3, no. 2
Research Year
2003

“Static VAR Compensator-Based Voltage Regulation for
Variable-Speed Prime Mover Coupled Single-Phase Self-Excited Induction Generator

Research Authors
Tarek Ahmed, O. Noro, S. Sato and M. Nakaoka
Research Department
Electrical Engineering Department
Research Journal
Journal of Power Electronics
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.185-196
Research Rank
1
Research Vol
vol. 3, no. 3
Research Year
2003

Two-Switch Auxiliary Resonant DC Link Snubber-Assisted
Three-Phase Soft Switching PWM Sinewave Power Conversion System with Minimized Commutation Power
Losses

Research Authors
S. Nagai, S. Sato, Tarek Ahmed and M. Nakaoka
Research Department
Electrical Engineering Department
Research Journal
Journal of Power Electronics
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.249-258
Research Rank
1
Research Vol
vol. 3, no. 4
Research Year
2003

Single-Phase Self-Excited Induction Generator with
Static VAR Compensator Voltage Regulation for Simple and Low Cost Stand-Alone Renewable Energy Utilizations
Part I: Analytical Study

Research Authors
Tarek Ahmed, O. Noro, K. Sato, E. Hiraki and M. Nakaoka
Research Department
Electrical Engineering Department
Research Journal
KIEE International Transactions on Power Engineering
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.17-26
Research Rank
1
Research Vol
Vol.3-A, No.1
Research Year
2003

Single-Phase Self-Excited Induction Generator with
Static VAR Compensator Voltage Regulation for Simple and Low Cost Stand-Alone Renewable Energy Utilizations
Part II: Simulation and Experimental Results

Research Authors
Tarek Ahmed, O. Noro, K.Sato, E. Hiraki and M. Nakaoka
Research Department
Electrical Engineering Department
Research Journal
KIEE International Transactions on Power Engineering
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.27-34
Research Rank
1
Research Vol
Vol.3-A,No.1
Research Year
2003

Asymmetrical Duty Cycle Controlled Edge Resonant Soft Switching High Frequency Inverter for Consumer Electromagnetic Induction Fluid Heater

Research Authors
Tarek Ahmed, K. Ogura, S. Chandhaket and M. Nakaoka
Research Department
Electrical Engineering Department
Research Journal
The Journal for Control, Measurement, Electronics, Computing and Communications; AUTOMATIKA Journal
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.21-26
Research Rank
1
Research Vol
Vol.44, No.1-2
Research Year
2003

A Flyback Transformer linked Soft Switching PWM DC-DC Power Converter using Trapped Energy Recovery Passive Quasi-Resonant Snubbers with Auxiliary Three-Winding Transformer

Research Authors
Tarek Ahmed, S. Chandhaket, M. Nakaoka, S. Hwa Jung and Hyun-Woo Lee
Research Department
Electrical Engineering Department
Research Journal
Journal of Power Electronics
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.237-245
Research Rank
1
Research Vol
Vol.4, No.4
Research Year
2004

Performance Evaluation of Edge-Resonant ZVS-PWM High-Frequency Inverter Using Trench-Gate IGBTs for Consumer Induction Cooking
Heater

Research Authors
K. Ogura, L.Gamage, Tarek Ahmed, M. Nakaoka, I. Hirota, H. Yamashita, and H.Omori
Research Department
Electrical Engineering Department
Research Journal
IET Proceedings-Electric Power Applications
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.563 – 568
Research Rank
1
Research Vol
Vol.151, Issue 5
Research Year
2004

Terminal Voltage Regulation Characteristics by Static Var
Compensator for a Three-phase Self-excited Induction Generator

Research Authors
Tarek Ahmed, O. Noro, E. Hiraki, and M. Nakaoka
Research Department
Electrical Engineering Department
Research Journal
IEEE Transactions on Industry Applications
Research Member
TAREK Abdelmohsen Elsayed AHMED
Research Pages
pp.978 – 988
Research Rank
1
Research Vol
Vol.40, Issue 4
Research Year
2004
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