Results 11 to 20 of about 73,148 (266)

Enhanced Fault-Tolerant Robust Deadbeat Predictive Control for Nine-Level ANPC-Based Converter

IEEE Access, 2022
Deadbeat model predictive control (DB-MPC) is one of the advanced promising control methods for power converters thanks to its simplicity, high steady-state performance and fast dynamic response.
Ibrahim Harbi, Mostafa Ahmed, Marcelo Lobo Heldwein, Ralph Kennel, Mohamed Abdelrahem   +4 more
doaj   +1 more source

Optical Detection of Partial Discharges Under Fast Rising Square Voltages in Dielectric Liquids

IEEE Access, 2022
Partial discharge (PD) measurement of an insulation system is widely used as a diagnostic tool for the quality control of high voltage apparatuses. In ac, the conventional method of PD detection is well established. However, under square voltages such as
Somya Anand, Eric Vagnon, Martin Guillet, Cyril Buttay   +3 more
doaj   +1 more source

Common DC-Link Multilevel Converters: Topologies, Control and Industrial Applications

IEEE Open Journal of Power Electronics, 2023
Multilevel converters (MLCs) are widely recognized for their exceptional benefits and have emerged as the preferred choice for medium- and high-power/voltage applications.
Ibrahim Harbi, Jose Rodriguez, Amirreza Poorfakhraei, Hani Vahedi, Miguel Guse, Mohamed Trabelsi, Mohamed Abdelrahem, Mostafa Ahmed, Mohammad Fahad, Chang-Hua Lin, Thiwanka Wijekoon, Wei Tian, Marcelo Lobo Heldwein, Ralph Kennel   +13 more
doaj   +1 more source

Nonlinear Current Control of Reluctance Synchronous Machines With Analytical Flux Linkage Prototype Functions

IEEE Open Journal of the Industrial Electronics Society, 2022
The article proposes a nonlinear current control system of reluctance synchronous machines (RSMs) in combination with analytical flux linkage prototype functions.
Shih-Wei Su, Hannes Borngen, Christoph M. Hackl, Ralph Kennel   +3 more
doaj   +1 more source

Maximum Power Point Tracking Implementation under Partial Shading Conditions Using Low-Cost Photovoltaic Emulator

Eng, 2022
Maximum power point tracking (MPPT) is a pivotal objective for photovoltaic (PV) systems. To test various MPPT techniques, a reliable and effective PV emulator is required.
Mostafa Ahmed, Ibrahim Harbi, Ralph Kennel, Mohamed Abdelrahem   +3 more
doaj   +1 more source

Model-Based Maximum Power Point Tracking Algorithm With Constant Power Generation Capability and Fast DC-Link Dynamics for Two-Stage PV Systems

IEEE Access, 2022
In this paper, a model-based maximum power point tracking (MPPT) technique is presented for a two-stage grid-connected photovoltaic (PV) system, where the loci of the maximum power points (MPPs) is specified accurately based on a new formulation. In this
Mostafa Ahmed, Ibrahim Harbi, Ralph Kennel, Jose Rodriguez, Mohamed Abdelrahem   +4 more
doaj   +1 more source

Direct Power Control Based on Dead-beat Function and Extended Kalman Filter for PV Systems

Journal of Modern Power Systems and Clean Energy, 2023
In this paper, a new proposal for the implementation of the well-known direct power control (DPC) technique in grid-connected photovoltaic (PV) systems is suggested. Normally, the DPC is executed using a look-up table procedure based on the error between
Mostafa Ahmed, Ibrahim Harbi, Ralph Kennel, Mohamed Abdelrahem   +3 more
doaj   +1 more source

Maximum Power Point Tracking-Based Model Predictive Control for Photovoltaic Systems: Investigation and New Perspective

Sensors, 2022
In this paper, a comparative review for maximum power point tracking (MPPT) techniques based on model predictive control (MPC) is presented in the first part.
Mostafa Ahmed, Ibrahim Harbi, Ralph Kennel, José Rodríguez, Mohamed Abdelrahem   +4 more
doaj   +1 more source

ON THE SUPPORT OF CONVERTS [PDF]

The Muslim World, 1914
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An improved photovoltaic maximum power point tracking technique-based model predictive control for fast atmospheric conditions

Alexandria Engineering Journal, 2023
In this article, an enhanced maximum power point tracking (MPPT) technique for photovoltaic (PV) systems is presented. The proposed MPPT is designed for fast-changing operating conditions, where the conventional methods suffer from divergence (drift ...
Mostafa Ahmed, Ibrahim Harbi, Ralph Kennel, Jose Rodriguez, Mohamed Abdelrahem   +4 more
doaj   +1 more source