Browsing by Author "Negadi,K."
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Conference Object Citation Count: 0Advanced control of eleven level modular converter connected to the power grid via HVDC transmission line(Transilvania University of Brasov 1, 2023) Koulali,M.; Negadi,K.; Berkani,A.; Aimer,A.F.; Marignetti,F.; Bullent Ertan,H.The implementation of an advanced control system for an eleven-level modular converter connected to the power grid via an HVDC transmission line is discussed in this study. The control system's goal is to maintain stable and dependable converter operation under a variety of operating circumstances and grid disruptions. The control system includes a number of control loops, including feedforward compensation loops for voltage, current, and power. In order to share active and reactive power between parallel-connected converters, a droop control approach is also used. Through simulation studies for various scenarios, such as changes in grid voltage and frequency, load variations, and converter faults, the control system is created and validated. The findings show that the suggested control system is capable of effectively controlling the converter's output voltage and power, suppressing harmonic distortion, and ensuring the converter's stable and dependable functioning in the face of grid disruptions. Therefore, the enhanced control method can enhance the HVDC transmission system's performance and dependability, resulting in the creation of a more effective and intelligent power grid. © 2023 IEEE.Conference Object Citation Count: 5Integration of Offshore Wind Farm Plants to the Power Grid using an HVDC line Transmission(Institute of Electrical and Electronics Engineers Inc., 2019) Ertan, Hulusi Bülent; Pourkeivannour,S.; Negadi,K.; Boumediene,B.; Allaoui,T.; Bulent Ertan,H.; Electrical-Electronics EngineeringThis paper investigates an integration of Offshore Wind Farm Plants with Power Grid Based on an HVDC line Interconnection. Large offshore wind farms are installed in the North Sea area using modern multi-megawatt wind turbines. The Voltage source converter-high voltage direct current VSC-HVDC is a suitable means of integrating such large and distant offshore Wind Power Plants (WPP) which need long submarine cable transmission to the onshore grid. The offshore network then becomes very different from the conventional grid, in that it is only connected to electronic power converters. A wind farm model with VSC-HVDC connection is developed. This work presents the modeling and simulation of such a system. The dynamic study of system performance under the fluctuations of wind energy and wind speed was studied to demonstrate the effectiveness of the control strategy. The validity of the proposed control technique is verified by Matlab/Simulink. Simulation results presented in this paper confirm the validity and feasibility of the proposed control approach, and can be tested on experimental setup. © 2019 IEEE.