Browsing by Author "Ahmed, Shehab"

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Flywheel Energy Storage Systems

Daoud, Mohammed; Abdel-Khalik, Ayman; Elserogi, Ahmed; Ahmed, Shehab; Massoud, Ahmed ( John Wiley & Sons, Ltd , 2015 , Book chapter)
Flywheels are one of the oldest and most popular energy storage media owing to the simplicity of storing kinetic energy in a rotating mass. Flywheel energy storage systems (FESSs) can be used in different applications, for ...
Performance Investigation of 24-lot/10-pole Synchronous Reluctance Machine in Integrated Onboard Battery Charger for EV Applications

Abdel-Wahed, Ahmed T.; Abdel-Khalik, Ayman S.; Hamad, Mostafa S.; Massoud, Ahmed M.; Ahmed, Shehab ( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference)
This paper proposes an integrated onboard battery charger (IOBC) for electric vehicles (EVs) employing a six-phase synchronous reluctance motor (SynRm) equipped with fractional slot concentrated winding (FSCW) as the ...
Symmetrical Nine-Phase Drives with a Single Neutral-Point: Common-Mode Voltage Analysis and Reduction

Dabour, Sherif M.; Aboushady, Ahmed A.; Elgenedy, Mohamed A.; Gowaid, I. A.; Farrag, Mohamed Emad; Abdel-Khalik, Ayman S.; Massoud, Ahmed M.; Ahmed, Shehab... more authors ... less authors ( MDPI , 2022 , Article)
Power converters generate switching common mode voltage (CMV) through the pulse width modulation (PWM). Several problems occur in the drive systems due to the generated CMV. These problems can be dangerous to the insulation ...