Browsing by Author "Elserougi, A."
Now showing items 21-40 of 66
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A wind turbine architecture employing a new three port magnetic gear box
Abdel-Khalik, A.S.; Elserougi, A.; Ahmed, S.; Massoud, Ahmed ( IEEE Computer Society , 2012 , Conference Paper)Mechanical gearboxes are typically employed with doubly-fed induction generator based wind turbines to convert the turbine's low speed mechanical power into high-speed mechanical power to drive the electrical generator. ... -
A Zeta-converter based four-switch three-phase DC-AC inverter
Diab, M.S.; Elserougi, A.; Abdel-Khalik, A.S.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Minimizing the number of active switching devices in switched-mode power-electronic systems has a significant importance. Reduced complexity and switching losses, low cost, weight, and volume and high reliability are the ... -
Active and reactive power management of photovoltaic-based interline dynamic voltage restorer in low voltage distribution networks
Elserougi, A.; Abdel-Khalik, A. S.; Ahmed, S.; Massoud, Ahmed ( IEEE Computer Society , 2012 , Conference Paper)A dynamic voltage restorer (DVR) is a series connected device that can support the voltage at existing critical loads during voltage sags. Voltage restoration may need active and/or reactive power injection into the ... -
An adaptive PR controller for inverter-based distribution generation with active damped LCL filter
El-Deeb, H. M.; Elserougi, A.; Abdel-Khalik, A. S.; Ahmed, S.; Massoud, Ahmed ( IEEE , 2013 , Conference Paper)The fact distribution generation (DG) importance is growing rapidly in the recent years where the coupling between DG sources and the grid is done through inverters where exporting low distorted currents and high quality ... -
An H-Bridge Modular DC-DC Converter with Bidirectional Flyback-Based Energy Equalization Modules
Elserougi A.; Massoud A.; Ahmed S. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Conventional Modular Multilevel Converter (MMC) is a promising candidate in high-voltage high-power applications. Unfortunately, operating the conventional MMC with DC output voltage results in unbalanced capacitors' ... -
An interline dynamic voltage restoring and displacement factor controlling device (IVDFC)
Elserougi, A.; Massoud, Ahmed Mohamed; Abdel-Khalik, A.S.; Ahmed, Shehab; Hossam-Eldin, Ahemd Abdalla ( IEEE , 2014 , Article)An interline dynamic voltage restorer (IDVR) is invariably employed in distribution systems to mitigate voltage sag/swell problems. An IDVR merely consists of several dynamic voltage restorers (DVRs) sharing a common dc ... -
Boost inverter-based HVDC transmission system with inherent blocking capability of AC side contribution during DC side faults
Elserougi, A.; Massoud, A.M.; Abdel-Khalik, A.S.; Ahmed, Shehab ( Elsevier Ltd , 2014 , Article)Semiconductor advancements in the past three decades have positioned the voltage source converter-based HVDC (VSC-HVDC) solution as a practical and popular alternative to its line-commutated converter high voltage DC ... -
Brushless doubly fed induction machine as a variable frequency transformer
Abdel-Khalik, A. S.; Elserougi, A.; Ahmed, S.; Massoud, Ahmed ( IEEE , 2012 , Conference Paper)Variable frequency transformer (VFT) has been recently used as an alternative to HVDC to control power flow between asynchronous networks. VFT consumes less reactive power than a back-to-back HVDC system, provides faster ... -
Control of doubly-fed induction machine storage system for constant charging/discharging grid power using artificial neural network
Abdel-Khalik, A.S.; Elserougi, A.; Massoud, Ahmed; Ahmed, S. ( IET , 2012 , Conference Paper)A large-capacity low-speed flywheel energy storage system based on a doubly-fed induction machine (DFIM) basically consists of a wound-rotor induction machine, and a back-to-back converter for rotor excitation. It has been ... -
DC bus control of an advanced flywheel energy storage kinetic traction system for electrified railway industry
Daoud, Mohamed I.; Abdel-Khalik, A. S.; Elserougi, A.; Ahmed, S.; Massoud, Ahmed ( IEEE , 2013 , Conference Paper)The evolution of public transportation exhibits high potential nowadays due to the consistent demand of clean transportation with low pollution rates. Therefore electrified railway systems become viable with their ... -
Discrete time domain analysis and optimal design of stationary frame AC current controllers with active damped LCL Filter for high power applications
El-Deeb, H.M.; Elserougi, A.; Abdel-Khalik, A.S.; Ahmed, S.; Massoud, Ahmed ( IEEE Computer Society , 2014 , Conference Paper)Due to the large variety of renewable power sources, power electronics play an important role in energy conversion. Different power converter topologies are used to interface distributed power generation systems (DPGS) ... -
Enhancement of the extracted maximum power of PV array during partial shading using switched PV-based system
Elserougi, A.; Diab ,M. S.; Abdel-Khalik, A.; Massoud, Ahmed; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)This paper proposes a switched PV approach to enhance the extracted maximum power from PV array during partial shading condition. The proposed system is simple and cost effective. However, it may provide lower power ... -
Exploitation of additional degrees of freedom of multiphase drives in low-frequency operation of modular multilevel converters
Daoud M.; Elserougi A.; Abdel-Khalik A.; Massoud A.; Bojoi R.; Ahmed S.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)MMC encounters serious limitations in the zero and low-frequency operation of variable-speed motor drives. In MMC, the voltage ripples of SubModule (SM) capacitor is inversely proportional to the phase current frequency. ... -
Fault current contribution scenarios for grid-connected voltage source inverter-based distributed generation with an LCL filter
Darwish, A.; Abdel-Khalik, A. S.; Elserougi, A.; Ahmed, S.; Massoud, Ahmed ( Elsevier , 2013 , Article)Inverter-based distributed generation (IBDG) is characterized by its negligible fault current contribution compared with synchronous generators due to its inherent non-overload capabilities. Thus, IBDG hardly affects the ... -
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 ... -
Fault-tolerant control of five-phase current source inverter for medium-voltage drives
Elgenedy, M.A.; Abdel-Khalik, A.S.; Elserougi, A.; Ahmed, Shehab; Massoud, A. ( Institution of Engineering and Technology , 2014 , Conference Paper)Multiphase Machines offer a promising solution to many practical challenges due to their advantages over the three phase counterparts, as fault-tolerant capability and lower torque ripple magnitude. Among different multiphase ... -
Flywheel energy storage system based on boost DC-AC converter
Elserougi, A.; Massoud, Ahmed; Ahmed, S. ( http://dx.doi.org/10.1049/cp.2011.0194 , 2011 , Conference Paper)An additional DC-DC boost converter is used in conventional configuration of Flywheel Energy Storage System (FESS) to regulate the output voltage during flywheel low speeds. This paper presents a new FESS based on the boost ... -
Fundamental output voltage enhancement of half-bridge voltage source inverter with low DC-link capacitance
Elserougi, A.; Massoud, Ahmed; Ahmed, S. ( Korean Institute of Power Electronics , 2018 , Article)Conventionally, in order to reduce the ac components of the dc-link capacitors of the two-level Half-Bridge Voltage Source Inverter (HB-VSI), high dc-link capacitances are required. This necessitates the employment of ... -
High voltage pulse generator based on DC-to-DC boost converter with capacitor-diode voltage multipliers for bacterial decontamination
Elserougi, A.; Ahmed, S.; Massoud, Ahmed ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)High voltage pulse generators can be used effectively in water treatment applications, as applying a pulsed electric field on the infected sample guarantees killing of harmful germs and bacteria. In this paper, a new high ... -
HVDC shunt tap based on series-input parallel-output DC-AC multi-module VSCs with DC voltages balancing
Elserougi, A.; Massoud, Ahmed; Abdel-Khalik, A.; Ahmed, S. ( Institution of Engineering and Technology , 2014 , Conference Paper)Conventionally, tapping-off a small amount of power from an HVDC transmission line to a three-phase local network can be achieved using a DC-to-AC voltage source converter (VSC) followed by a step down transformer. In order ...