• A cascaded boost inverter-based open-end winding three-phase induction motor drive for photovoltaic-powered pumping applications 

      Abdel-Khalik, A.S.; Elserougi, A.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)
      Although PWM inverter-fed drives are now a well-established technology in industrial applications, the generation of common mode voltage associated with these modulation techniques results in undesired bearing current and ...
    • A coaxial magnetic gearbox with magnetic levitation capabilities 

      Abdel-Khalik, A.; Massoud, Ahmed; Elserougi, A.; Ahmed, S. ( IEEEIEEE , 2012 , Conference Paper)
      Magnetic gearboxes (MGBs) are now a powerful alternative to their conventional mechanical counterparts in terms of reduced maintenance requirements, improved reliability, tolerance to mechanical inaccuracies, and inherent ...
    • A five-phase linear induction machine with planar modular winding 

      Abdel-Khalik, A.S.; Ahmed, S.; Massoud, Ahmed ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)
      Linear induction motors (LIMs) have become a competitive alternative in electric traction. Three-phase LIM commonly uses double layer overlapping distributed windings. Although this winding configuration results in more ...
    • Interior permanent magnet motor-based isolated on-board integrated battery charger for electric vehicles 

      Abdel-Khalik, A.S.; Massoud, Ahmed; Ahmed, S. ( Institution of Engineering and Technology , 2018 , Article)
      This study proposes an isolated on-board integrated battery charger using an interior permanent magnet (IPM) machine with a nine-slot/eight-pole combination or its multiples, and equipped with a non-overlapped fractional ...
    • Magnetic gearbox with an electric power output port and fixed speed ratio for wind energy applications 

      Abdel-Khalik, A.; Ahmed, S.; Massoud, Ahmed; Elserougi, A. ( IEEE , 2012 , Conference Paper)
      Mechanical gearboxes are typically employed with doubly-fed induction generator-based wind turbines. The main drawback of this solution is the gearbox's reliability and maintenance. Using magnetic gearbox in conjunction ...
    • Performance of a five-phase boost inverter-fed submersible induction machine 

      Hakeem , A. A.; Elserougi, A.; Abdel-Khalik, A. S.; Ahmed, S.; Massoud, Ahmed (2013 , Conference Paper)
      An electrical submersible pump (ESP) motor is preferably fed from a low voltage variable-frequency drive (VFD) followed by a step-up transformer. The motor and drive connection through a long feeder usually causes over ...
    • Postfault control of scalar (V/f) controlled asymmetrical six-phase induction machines 

      Abdel-Khalik, A.S.; Hamdy, R.A.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)
      With the accelerated development in semiconductor power devices along with the dictated rigorous reliability standards in some industrial sectors, the application of a medium-voltage high-power multiphase induction machine ...
    • Traction system with on-board inductive power transfer 

      Abdel-Khalik, A. S.; Ahmed, S.; Massoud, Ahmed ( Institution of Engineering and Technology , 2014 , Conference Paper)
      In traction applications based on long primary and short secondary type, contactless electrical energy transmission can offer distinct advantages over the conventional energy transmission based on catenary system to provide ...
    • Traction system with on-board inductive power transfer 

      Abdel-Khalik, A. S.; Ahmed, S.; Massoud, Ahmed ( Institution of Engineering and Technology , 2014 , Conference Paper)
      In traction applications based on long primary and short secondary type, contactless electrical energy transmission can offer distinct advantages over the conventional energy transmission based on catenary system to provide ...