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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Applied Power Engineering (IJAPE) International Journal of Renewable Energy Development
Mahmoud, Abdel Kader
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Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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Journal : International Journal of Applied Power Engineering (IJAPE)

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Parallel operation of transformers to optimize a 33 KV loop of power system Arbih Mahmoud, Ethmane Isselem; Abbou, Ahmed; Mahmoud, Abdel Kader
International Journal of Applied Power Engineering (IJAPE) Vol 14, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v14.i3.pp579-587

Abstract

This research investigates the viability of a perpetually scalable generation system to accommodate the anticipated growth in domestic load demands on the 33 kV loop network over the period from 2025 to 2040. This is achieved by analysis current situation of network through the voltages, loading lines, and transformers, within the permissible loading limits of the system. In this context, it is assumed that the loop is supplied by an ideal infinite power source. A numerical model utilizing the Gauss-Seidel (GS) method is developed and executed within the PSS/E simulator. The current operational state of the network will be simulated, with a focus on analyzing the voltage profile, which is expected to remain within the range of 0.095 to 1.05 per unit (p.u.). Demand forecasts are based on industrial growth projections for the cities interconnected with the 33 kV loop. The simulation results will demonstrate the feasibility of increasing active power transmission while maintaining effective control over reactive power by the year 2040. Furthermore, solutions will be proposed to address the identified critical path issues. To meet the projected demand, these solutions will involve doubling the capacity of the existing transformers. The proposed system will mitigate load imbalances and stabilize voltage fluctuations by effectively managing rapid variations in reactive power demand. As a result, it improves power quality for industrial consumers.
Effect of DC link capacitor short-circuit on an inverter fed induction motor performance Oudaa, Cheikh; Mahmoud, Ethmane Isselem Arbih; Khelif, Mohamed Amine; Yahya, Ahmed Mohamed; Azeddine, Bendiabdellah; Mahmoud, Abdel Kader
International Journal of Applied Power Engineering (IJAPE) Vol 14, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v14.i3.pp631-639

Abstract

Induction motors are widely used in industrial power plants because of their durability, reliability and high performance under different operating conditions of the electrical system. It is also important to note that most of these motors are controlled by variable frequency drives. By adjusting the drive parameters, the motor can be managed according to design. The reliability of motor control systems based on variable speed drives is therefore crucial for industrial applications. Unlike induction motors, the power supply components of these electrical machines are delicate and susceptible to faults. To enhance the performance of the control-motor system, it is essential for researchers to understand how faults affect the drive system as a whole. In this context, this paper addresses short-circuit faults in the intermediate circuit capacitor of an induction motor driven by an inverter. The simulation results of these capacitors faults are presented, and their impact on the behavior of the rectifier, the inverter, and the induction motor is analyzed and interpreted.
Co-Authors Ahmed Abbou Arbih Mahmoud, Ethmane Isselem Azeddine, Bendiabdellah Ba, Abdellahi Bouaichi, Abdellatif Elvally, Vatma Hacene, Fouad Boukli Kerboua, Abdelfettah Ketab, Mohamed Moustapha Khelif, Mohamed Amine LEMRABOUT, Ahmed Mahmoud, Ethmane Isselem Arbih Minehna, Sidi Med Mohamed, Regad Mohamed, Soukeyna Oudaa, Cheikh Yahya, Ahmed Mohamed Zoubir, Aoulmi