Shehab Ahmed

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PAPERS Multiphase Systems Effect of Stator Winding Connection on Performance of Five-Phase Induction Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A. S. Abdel-Khalik, A. S. Morsy, S. Ahmed, and A. M. Massoud 3 Equivalence of SVM and Carrier-Based PWM in(More)
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 and are shown to reduce inverter switching losses while maintaining virtually the same harmonic performance as the conventional multilevel(More)
The modeling of PV (photovoltaic) systems is very crucial for embedded power system applications and maximum power point tracking. This paper presents a PV array model using Matlab/Simulink with the assistance of SimPowerSystem toolbox. The PV cell is considered as the main building block for simulating and monitoring the PV array performance. The PV model(More)
Multiphase Systems Parameter Identification of Five-Phase Induction Machines With Single Layer Windings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A. S. Abdel-Khalik, M. I. Daoud, S. Ahmed, A. A. Elserougi, and A. M. Massoud 5139 Five-Level Diode-Clamped Inverter With Three-Level Boost Converter. . . . . . . . .(More)
Although torque enhancement in multiphase induction machines using harmonic current injection has been addressed in the literature, a detailed assessment of the effect of this enhancement on the design parameters of multiphase machines with different numbers of phases is needed. This paper addresses this topic by performing a detailed comparative study of(More)