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All Journal Bulletin of Electrical Engineering and Informatics International Journal of Robotics and Control Systems
Yassine Zahraoui
Hassan II University
Control & Systems Engineering Electrical & Electronics Engineering

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Power Quality Improvement using a New DPC Switching Table for a Three-Phase SAPF Bouchaib Essoussi; Ahmed Moutabir; Bahloul Bensassi; Abderrahmane Ouchatti; Yassine Zahraoui; Bouchaib Benazza
International Journal of Robotics and Control Systems Vol 3, No 3 (2023)
Publisher : Association for Scientific Computing Electronics and Engineering (ASCEE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/ijrcs.v3i3.1042

Abstract

This research focuses on the analysis and design of robust direct power control (DPC) for a shunt active power filter (SAPF). The study proposes a novel switching table design based on an analysis of the impact of inverter switching vectors on the derivatives of instantaneous reactive and active powers. The goal is to reduce the number of commutations by eliminating null vectors while maintaining the desired DC-bus voltage using a PI regulator-based anti windup technique. Additionally, a robust PLL structure-based band pass multivariate filter (BPMVF) is utilized to enhance the network voltage. The research demonstrates the effectiveness of the suggested power control through extensive simulation results, showing high performance in both transient and steady-state conditions. The proposed approach offers the advantages of sinusoidal network current, and unitary power factor, and eliminates the need for current regulators and coordinate transformations or PWM generators. Further research directions could explore the practical implementation and real-world performance of this technique in power systems.
Induction motor performance improvement using a five-level inverter topology and sliding mode controllers Chaymae Fahassa; Ahmed Abbou; Yassine Zahraoui; Mohamed Akherraz
Bulletin of Electrical Engineering and Informatics Vol 12, No 5: October 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v12i5.5014

Abstract

This research intends to establish a robust vector control (VC) of a 3-ϕ induction motor (IM). The classical 2-level inverter is displaced by a 5-level neutral-pointclamped (NPC) inverter. The 2-level inverter may only supply 8 voltage vectors, while the 5-level NPC inverter can furnish 125 voltage vectors. The objective is to bring about a command voltage vector that converges to the reference voltage vector as closely as possible; hence, guaranteeing a quick response on one hand and improving the dynamic performance on the other hand. A robust sliding mode controller (SMC) structure is used in all regulation loops. Satisfactory results are obtained for various speed zones. The quality and robustness of the global system are tested under resistive torque disturbance, reversal, high, and low-speed ranges in order to prove system stability. All the simulations have been performed under MATLAB/Simulink.
Co-Authors Abderrahmane Ouchatti Ahmed Abbou Ahmed Moutabir Bahloul Bensassi Bouchaib Benazza Bouchaib Essoussi Chaymae Fahassa Mohamed Akherraz