Browsing Electrical Engineering by Author "Elserougi, Ahmed A."
Now showing items 1-17 of 17
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A buck-boost converter-based bipolar pulse generator
Elserougi, Ahmed A.; Massoud, Ahmed M.; Ahmed, Shehab ( Korean Institute of Power Electronics , 2017 , Article)This paper presents a buck-boost converter-based bipolar pulse generator, which is able to generate bipolar exponential pulses across a resistive load. The concept of the proposed approach depends on operating the involved ... -
A differential protection technique for multi-terminal HVDC
Abu-Elanien, Ahmed E.B.; Elserougi, Ahmed A.; Abdel-Khalik, Ayman S.; Massoud, Ahmed M.; Ahmed, Shehab ( Elsevier Ltd , 2016 , Article)This paper presents a technique for differential protection of Multi-terminal High Voltage Direct Current (MTHVDC) transmission lines. The proposed technique depends on the electrical current data at both ends of each line ... -
A Droop Control Design for Multiterminal HVDC of Offshore Wind Farms With Three-Wire Bipolar Transmission Lines
Abdel-Khalik, Ayman S.; Abu-Elanien, Ahmed E.B.; Elserougi, Ahmed A.; Ahmed, Shehab; Massoud, Ahmed M. ( IEEE , 2015 , Article)Converting existing ac transmission lines to an extended multiterminal three-wire bipolar HVDC system can be considered a cost-effective way to interconnect dispersed offshore wind farms to onshore ac grids instead of ... -
A Nine-Switch-Converter-Based Integrated Motor Drive and Battery Charger System for EVs Using Symmetrical Six-Phase Machines
Diab, Mohamed S.; Elserougi, Ahmed A.; Abdel-Khalik, Ayman S.; Massoud, Ahmed M.; Ahmed, Shehab ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)This paper presents a new configuration for integrated on-board battery chargers of electric vehicles (EVs) incorporating symmetrical six-phase machines. The configuration proposes an exclusive utilization of a nine-switch ... -
A Pulsewidth Modulation Technique for High-Voltage Gain Operation of Three-Phase Z-Source Inverters
Diab, Mohamed S.; Elserougi, Ahmed A.; Massoud, Ahmed M.; Abdel-Khalik, Ayman S.; Ahmed, Shehab ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Z-source inverter (ZSI) was recently proposed as a single-stage buck-boost dc-ac power conversion topology. It augments voltage boost capability to the typical voltage buck operation of the conventional voltage source ... -
A space vector PWM scheme for five-phase current-source converters
Elgenedy, Mohamed A.; Elserougi, Ahmed A.; Abdel-Khalik, Ayman S.; Massoud, Ahmed M.; Ahmed, Shehab ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)The most recent literature on multiphase machine drives is based on voltage-source converter (VSC) systems utilizing different modulation techniques. Very little attention is given to the multiphase current-source converters ... -
A Switched-Capacitor Submodule for Modular Multilevel HVDC Converters with DC-Fault Blocking Capability and a Reduced Number of Sensors
Elserougi, Ahmed A.; Massoud, Ahmed M.; Ahmed, Shehab ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Modular multilevel converters (MMCs) have become one of the most promising topologies for high-voltage dc-ac conversion. DC-side fault blocking capability of the MMC has prompted significant research in recent years. In ... -
A Transformerless Bipolar/Unipolar High-Voltage Pulse Generator with Low-Voltage Components for Water Treatment Applications
Elserougi, Ahmed A.; Faiter, Mazen; Massoud, Ahmed M. ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Pulsed electric field is a commonly used and effective disinfection method in drinking water treatment applications. In this paper, a transformerless unipolar/bipolar high-voltage pulse generator is presented with ... -
A transformerless STATCOM based on a hybrid Boost Modular Multilevel Converter with reduced number of switches
Elserougi, Ahmed A.; Massoud, Ahmed M.; Ahmed, Shehab ( Elsevier Ltd , 2017 , Article)This paper proposes a new three-phase transformerless STATic synchronous COMpensator (STATCOM) for shunt reactive power compensation in medium/high-voltage applications. The proposed STATCOM is based on a hybrid Boost ... -
A Unipolar/Bipolar High-Voltage Pulse Generator Based on Positive and Negative Buck-Boost DC-DC Converters Operating in Discontinuous Conduction Mode
Elserougi, Ahmed A.; Massoud, Ahmed M.; Ahmed, Shehab ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)This paper presents a new high-voltage pulse generator, which is based on positive and negative buck-boost (BB) converters fed from a relatively low voltage dc supply. The proposed generator is able to generate unipolar ... -
AC-powered multi-module high-voltage pusle-generator with sinusoidal input current for water treatment via underwater pulsed arc discharge
Elserougi, Ahmed A.; Abdel-Khalik, Ayman S.; Ahmed, Shehab; Massoud, Ahmed M. ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)The underwater pulsed arc discharge is one of the effective methods in water treatment applications. In pulsed arc discharge, a pulsed output in the range of 1-10 kV is typically applied across the water treatment chamber ... -
Control of Power Converters for Emerging Applications of Power Electronics
Massoud, Ahmed M.; Ahmed, Shehab; Abdel-Khalik, Ayman S.; Elserougi, Ahmed A.; Ahmed, Khaled H. ( Hindawi Publishing Corporation , 2016 , Article)With the skyrocketed development in semiconductor devices, power electronics converters, either at system-level or at device-level, are receiving special attention in different applications as renewable energy sources, ... -
Five-level F-type inverter with buck-boost converter-based equalization channels
Elserougi, Ahmed A.; Abdelsalam, Ibrahim; Massoud, Ahmed ( Elsevier B.V. , 2023 , Article)Multilevel inverters have been widely used in various applications, as they provide output voltage with better quality, lower dv/dt, and lower Total Harmonic Distortion (THD). Multilevel inverter such as Neutral Point ... -
Four-Arm Three-Phase Modular Multilevel Converter (4A-TPMMC)
Elserougi, Ahmed A.; Abdelsalam, Ibrahim; Massoud, Ahmed M.; Ahmed, Shehab ( Taylor and Francis Inc. , 2017 , Article)In this paper a Four-Arm Three-Phase MMC (4A-TPMMC)-based DC-AC converter is proposed. The proposed converter generates a three-phase output voltage using a lower number of components, which reduces the converter complexity ... -
Modular Multilevel Converter-Based Bipolar High-Voltage Pulse Generator with Sensorless Capacitor Voltage Balancing Technique
Elserougi, Ahmed A.; Massoud, Ahmed M.; Ahmed, Shehab ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)In order to generate bipolar high-voltage (HV) pulses across certain load from HV dc (HVdc) power supply, a voltage source inverter (VSI) stage should be inserted between the load and the supply. In order to meet the ... -
Parameter identification of five-phase induction machines with single layer windings
Abdel-Khalik, Ayman S.; Daoud, Mohamed I.; Ahmed, Shehab; Elserougi, Ahmed A.; Massoud, Ahmed M. ( IEEE , 2014 , Article)Despite the increased interest in multiphase induction machines for safety-critical applications, machine parameter identification for the different sequence planes is still a challenging research point. In most available ... -
Series-connected multi-half-bridge modules converter for integrating multi-megawatt wind multi-phase permanent magnet synchronous generator with dc grid
Elserougi, Ahmed A.; Daoud, Mohamed I.; Abdel-Khalik, Ayman S.; Mohamed Massoud, Ahmed; Ahmed, Shehab ( Institution of Engineering and Technology , 2017 , Article)In this study, a new transformerless wind energy conversion system to integrate high-power multi-phase permanent magnet wind generators to medium-voltage local grids is presented. The proposed converter topology consists ...