Browsing by Author "Ahmed, K.H."
Now showing items 1-7 of 7
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A modified stationary reference frame-based predictive current control with zero steady-state error for LCL coupled inverter-based distributed generation systems
Ahmed, K.H.; Massoud, Ahmed; Finney, S. J.; Williams, B. W. ( IEEE , 2011 , Article)This paper proposes a modified stationary reference frame-based predictive current controller with zero steady-state error for LCL coupled inverter-based distribution generation systems. Analytical expressions for the ... -
A Neutral-Point Diode-Clamped Converter with Inherent Voltage-Boosting for a Four-Phase SRM Drive
Abdel-Aziz, A. A.; Ahmed, K. H.; Wang, S.; Massoud, Ahmed; Williams, B.W. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)This article proposes a new asymmetric neutral-point diode-clamped (NPC) multilevel converter for a four-phase switched reluctance motor drive. The inbuilt NPC clamping capacitors are used for both voltage level clamping ... -
A Novel Converter Station Structure for Improving Multiterminal HVDC System Resiliency Against AC and DC Faults
Wang, S.; Ahmed, K.H.; Adam, G.P.; Massoud, Ahmed; Williams, B. W. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In an effort to minimize the power disruption between a dc grid and ac grids that host power converters during ac and dc network faults, this paper proposes a novel converter station structure to improve ac and dc fault ... -
A state of the art review of control techniques for power electronics converter based distributed generation systems in different modes of operation
Ahmed, K.H.; Massoud, Ahmed; Adam, G.P.; Zobaa , A. F. ( IEEE Computer SocietyIEEE , 2013 , Conference Paper)This paper presents an overview of the state of the art techniques in inverter-based distribution generation systems. Different control techniques and classification of inverter modules operated in grid and islanded modes ... -
A synchronous DQ frame controller via an LCL coupled filter under unbalanced three-phase voltage supply conditions
Ahmed, K. H.; Massoud, Ahmed; Finney, S. J.; Williams, B. W. ( IEEE , 2011 , Conference Paper)This paper proposes a synchronous DQ frame current controller for inverter based interfaced systems. The grid voltage may be unbalanced, possibly due to unequal line impedance. The output active and reactive powers oscillate ... -
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.S.; Elserougi, A.; Massoud, Ahmed; Ahmed, S. ( Institution of Engineering and Technology , 2012 , Conference Paper)This paper proposes a recovery strategy for wind energy-fed voltage source converter high voltage DC transmission systems, capable of maintaining power balance between the AC and DC sides during different AC faults. This ... -
New voltage regulation techniques for low voltage radial feed PWM inverter based distributed networks
Ahmed, K. H.; Massoud, Ahmed; Finney, S. J.; Williams, B. W. (2010 , Conference Paper)Grid voltage rise problems occur, especially at light loads, due to the proliferation of distributed generation. Two techniques are proposed for regulating the voltage in low voltage radial networks when inverter based ...