This paper presents an improved Direct Torque Control (DTC) strategy for a Doubly Fed Induction Machine (DFIM) powered by two voltage source inverters (VSI) at levels. is based on the fuzzy logic controller. The main objective to improve performance of system reducing electromagnetic torque ripples and improving currents shape optimization total harmonic distortion (THD). hysteresis regulators vectors selection table conventional DTC are replaced blocks realize control. control strategies...

This paper describes the design and implementation in real time of a nonlinear control for wind energy conversion system (WECS). The Backstepping has been implemented to improve performance based on permanent magnet synchronous generator (PMSG) connected grid. Two static back-to-back converters ensure grid connection are controlled by Pulse Width Modulation (PWM). proposed algorithm ensures proper speed extract maximum power. First all, WECS full review discussed. Thereafter, laws detailed...

Direct Torque Control (DTC) presents an optimal solution to control the behaviors of alternative motors, compared other controls, because several advantages offered by this technique, speed overshoots, fluxes, and torque ripples remain major factors which minimize DTC robustness. The regulation in is carried out classic Proportional Integrator Derivative (PID), known for its higher robustness linear systems, except that case non-linear PID controller gives poor reactions variations system's...

Proportional Integral Derivative (PID) is the most popular controller used in automatic systems, because of its robustness, ability to adapt behaviors system, making them converge toward optimum. These advantages are valid only case linear as they present poor robustness nonlinear systems. For that reason, many solutions adopted improve PID The optimization algorithm presents an efficient solution generate optimums gains adapting system’s nonlinearity. regulation speed Direct Torque Control...

Direct Torque Control (DTC) is the most popular strategy used in industrial sector, because of its various advantages, however, torque ripples makes it less efficient, due to use hysteresis comparators, leading variable frequency operation and on other hand, finite sampling results a pseudo-random overshoot band, Thus, at low speed particular, with variations motor resistances, affects behavior machine, this reason, article presents new study promote drawbacks increase control performances....

Numerous recent innovations have been achieved with the goal of enhancing electric vehicles and parts that go into them, particularly in areas managing energy, battery design optimization, autonomous driving. This promotes a more effective sustainable eco-system helps to build next generation car technology. study offers insights most research advancements (EVs), as well new, innovative, promising technologies based on scientific data facts associated e-mobility from technological...

Abstract Photovoltaic Water Pumping Systems (PVWPS) have become increasingly important as a renewable energy solution in rural areas, providing independence, cost savings, and environmental friendliness. This system has two main controllers. The first controller is employed to maximize power extraction from the PV array by controlling duty ratio of DC-DC boost converter. second responsible for regulating operation induction motor through switching pulses Voltage Source Inverter (VSI). These...

Abstract This article presents the direct torque control (DTC) strategy for doubly fed induction motor (DFIM) connected to two three-level voltage source inverters (3LVSIs) with neutral point clamped (NPC) structure. method allows reduce and flux ripples as well optimize total harmonic distortion (THD) of currents. The use 3LVSI increases number generated voltage, which improving quality its waveform thus improves DTC strategy. system modeling are implemented in Matlab/Simulink environment....

The aim of this work is to search for better control and optimization a photovoltaic (PV) water pumping system (PWPS) using the induction motor. A proposed method based on Fuzzy Logic Control (FLC) introduced investigated improve conventional Direct Torque (DTC). Variable step size Perturb observe (P&O) used extract maximum possible power from PV panel. validation strategy ensured by reducing high torque, stator flux ripples current harmonics in machine increasing pumped flow. Simulation...

This paper deals with a nonlinear control of wind energy conversion system (WECS) based on permanent magnet synchronous generator (PMSG) interconnected to the distribution grid. The connected grid is achieved by two IGBT back-to-back converters controlled pulse width modulation (PWM) and capacitor as DC link between them. Firstly, literature review recent studies in field introduced. Subsequently, complete description its dynamic modeling presented. second part this article focused proposed...

This paper aims to research a photovoltaic solar water pumping system (PVWPS) based on three-phase induction motor (IM) with high performance, low cost, and without chemical energy storage. The proposed control for the PVWPS consists of two principal controllers. first controller is used reach its maximum using robust MPPT strategy that Kalman filter algorithm (KF-MPPT). While second 12-sectors Direct Torque Control (DTC). technique IM centrifugal pump through three-level inverter neutral...

Motor Current Signature Analysis (MCSA) is a popular method for the detection of faults in electric motor drives, particularly Induction Machines (IMs). For Bearing Defects (BDs), which are very much related to rotational frequency, it important maintain speed at target reference value order distinguish and locate different BDs. This can be achieved by using powerful control such as Direct Torque Control (DTC), but this causes variation supply frequency current signal become non-stationary,...

This research paper focuses on the optimization of solar water pumping systems (SWPS) by combining particle swarm (PSO) technique generator photovoltaic (GPV) side and direct torque control (DTC) pump motor side. The integration a maximum power point tracking system (MPPT-PSO) represents significant advance, enabling to be extracted from GPV whatever weather conditions. main objective is improve energy efficiency SWPS maximizing electrical dedicated system. At same time, application DTC aims...

The amount of rainfall in Meknes region Morocco is insufficient to meet agricultural water demand. Pumping methods based on diesel and butane are thus an unavoidable option for local farmers. Nonetheless, the receives average 4.72 kW.m−2.day−1 solar irradiation per day, pumping systems can cover irrigation needs while also provide other benefits such as lowering greenhouse gas emissions, minimizing energy expenditures, aiding environmental preservation. Farmers region, hand, hesitant employ...

This article presents a study of solar panels composed triple-junction cells used in CubeSats; particular, it focuses on optimizing the power supplied by these using maximum point tracking (MPPT) technique. Optimizing this is challenge that not easily overcome, due to constraints associated with CubeSats applications, especially terms weight, area, budget, as well low generated which do exceed 2.4 W at point. For all considerations, both P&O and INC techniques were chosen, since relatively...

Accurately simulating photovoltaic (PV) modules requires precise parameter extraction, a complex task due to the nonlinear nature of these systems. This study introduces Mother Tree Optimization with Climate Change (MTO-CL) algorithm address this challenge by enhancing estimation for solar PV three-diode model. MTO-CL improves optimization performance incorporating climate change-inspired adaptations, which affect two key phases: elimination (refreshing 20% suboptimal solutions) and...

In this article, we are interested in the comparative study between two control techniques of doubly fed induction machine (DFIM) functioning motor mode, these approaches are: field oriented (FOC) and direct torque (DTC). At beginning, focused on principle operation modeling DFIM. Secondly, studied realized implementation commands Matlab/Simulink environment. Finally, simulation results controls presented, analyzed compared.

This research paper deals with the improved direct torque control (DTC) of a doubly fed induction machine (DFIM) operating in motor mode.The conventional DTC is powerful tool to ensure robustness and good dynamics.However, variable switching frequency as well presence flux ripples due use hysteresis controllers are major drawbacks this strategy.For purpose, by space vector Modulation (SVM) developed improve performance, replacing hysterisis PI reduce electromagnetic ripple order minimize...