Handling the internal parametric variations and nonlinearities of high rated wind energy conversion system (WECS) is remained among main challenges to maximize produced energy, ameliorate its quality ensure efficient integration on grid. In this context, a robust integral sliding mode control (ISMC) with Lyapunov function proposed active reactive powers doubly fed induction generator (DFIG) based turbine, assure dynamic performances according speed variation. To operate around an optimal...

The integration of wind energy systems into the electric grid has become inevitable despite many problems associated with this integration. Most these are due to variations in speed. for example oscillations power generated, which implies lack guarantee obtaining maximum and ripple electromechanical torque generator. This work aims at mitigating conversion system-driven doubly-fed induction generator (DFIG), is main turbine utilized applications. mitigation performed through direct reactive...

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 power control (DPC) is among the most popular schemes used in renewable energy because of its many advantages such as simplicity, ease execution, and speed response compared to other controls. However, this method characterized by defects problems that limit use, a large number ripples at levels torque active power, decrease quality result using hysteresis controller regulate capacities. In paper, new idea DPC artificial neural networks (ANNs) proposed overcome these defects, which...

This research work addresses the challenge of controlling a wind energy conversion system (WECS) connected to grid, which incorporates battery storage and operates under varying real speed profiles. The comprises Doubly-Fed Induction Generator (DFIG) grid through an AC/DC/AC converter, along with Li-ion pack unit linked Back-to-Back converter DC via DC/DC converter. study highlights that internal parametric variations non-linear behavior turbine negatively affect quality produced, as well...

This research work focuses on addressing the challenges of controlling a wind energy conversion system (WECS) connected to grid, particularly when faced with variable speed profiles. The consists Doubly-Fed Induction Generator (DFIG) grid through an AC/DC/AC converter, along Li-ion battery storage Back-to-Back converter DC link via DC/DC converter. non-linearity and internal parametric variation turbine can negatively impact production, charging performance, lifespan. To overcome these...

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...

Wind speed variations affect the performance of wind energy conversion systems (WECSs) negatively. This paper addressed an advanced law backstepping controller (ABC) for enhancing integration doubly fed induction generator (DFIG)-based grid-connected WECS under range speed. enhancement was achieved through three control schemes, which were blade pitch control, rotor-side and grid-side control. The presented to adjust turbine when exceeds its rated value. In addition, rotor converter...

Abstract The main objective of this study is to improve the energy quality extracted by variable speed wind turbine based on doubly fed induction generator. First, dynamic modeling different parts system presented. electrical machine modeled in PARK reference frame. Thereafter, control technique detailed. Indirect field‐oriented with fuzzy logic controllers ( FLC ) used rotor currents and consequently real reactive powers stator Then, design detailed tuning its most significant parameters,...

Due to their advantages especially the capability of operation at wide wind speed ranges, doubly-fed induction generators (DFIGs) are widely used in energy conversion systems (WECSs). This paper introduces a performance enhancement WECS-DFIG by extracting maximum power from addition active and reactive powers control. The point is extracted capturing optimal an intelligent controller. While Integral Sliding Mode Controller (ISMC) Field Oriented Control (FOC_PI) presented for proposed...

e-Learning emerged as a way for enhancing the quality of education and providing accessible distance learning to allow learners study beyond regular class time, transcending mandatory presence teachers availability classrooms by necessary resources services. One main issues e-learning, especially in engineering education, is lack online educational laboratories. Practical work remains considerable burden programs focus on handling real equipment. These last are only within restrictive...

In this work, a robust Adaptive sliding mode controller (ASMC) is proposed to improve the dynamic performance of Doubly Fed Induction generator (DFIG) based wind system under variable speed conditions. Firstly, modeling main components performed. Thereafter, ASMC designed control active and reactive powers machine stator. The structure these controllers was improved by adding two integral terms. Their gains are determined using Lyapunov stability theorem make them automatically adjusted in...

This paper presents the modeling and control of Double-Fed Induction Generator (DFIG) for 10 KW DFIG application incorporated into a Wind Energy Conversion System (WECS). The objective is to design compare two separate strategies independently controlling active reactive power generated by DFIG, in order conclude on their performances. PI controller sliding mode strategy with maximum point tracking (MPPT) used during energy conversion extract power. simulations results show significant...

<span lang="EN-US">In this paper, we are interested in improving the production efficiency for electric energy extracted from a wind turbine, based on permanent magnet synchronous generator (PMSG) that want to improve performance by means of direct torque control with space vector modulation (DTC-SVM). The choice comes deficiencies inherent conventional DTC, which includes variable switching frequency, ripple and implementation complexity. First focuse conversion system (WECS) modeling...

Abstract Wind power systems (WPs) are complex non‐linear with varying parameters affected by environmental changes, including wind speed fluctuations. Extracting maximum from WPs poses a significant challenge due to these factors. Direct control (DPC) is highly effective technique known for its simplicity and ease of implementation. However, it suffers ripples caused the use hysteresis comparators switching tables that operate at variable frequencies. To address this issue, paper presents...

This paper work develops the dynamic model of a wind system based on permanent magnet synchronous generator (PMSG). The modeling requires prior knowledge parameters turbine, machine and static converters which are controlled by pulse width modulation (PMW) to ensure interconnection between grid. Using control approach called Field Oriented Control (FOC) optimum torque (OTC) using Maximum Power Point Tracking (MPPT) method, can operate at variable speed in an optimal way. simulation results...

The main objective of this paper is to apply a MPPT strategy (Maximum Power Point Tracking) wind energy system based on doubly fed induction generator (DFIG) in order maximize the converted power and provide better integration into electrical grid. First, mathematical model performed. Then, two control strategies were studied implemented. first maximum search (MPPT) which, from rotational speed DFIG, will generate reference torque value. second vector with stator flux orientation manage...

This paper presents an effective control strategy applied for a Wind Energy Conversion System (WECS) based on direct drive of the Permanent Magnet Synchronous Generator (PMSG). The machine connection to grid is provided by back-to-back rectifier-inverter IGBT. proposed nonlinear Backstepping (BC) Lyapunov approach and static converters. A DC bus stage adjusted between Machine Side Converter Grid which driven pulse width modulation (PWM). main objective this lies in power optimal extraction...