Hacene Mellah

Verified

Hacene verified their affiliation via an institutional email.

Learn more

Verified

Hacene verified their affiliation via an institutional email.

Learn more

• Eng., M.Sc., PhD
• Associate professor at University of Bouira

Doubly-Fed Induction Generators (DFIG) are operated for wind energy production, and as their capacity is increasing, their safety and reliability become more important. Several faults affect the performance of DFIG. The stator winding Inter-Turn Short-Circuit Fault (ITSCF) is one of the most prevalent electric machine failures. This study examined...

The current paper presents a Sliding Mode Controller (SMC) for indirect field-oriented Cascaded Doubly Fed Induction Generator (CDFIG) powered through a Matrix Converter (MC). The proposed SMC employs a continuous control strategy to accomplish free chattering fractional-order sliding-mode control and to ensure that the control of the first DFIG st...

This paper proposes a Generalized Predictive Control (GPC) strategy for Wind Power Generation (WPG) based on a doubly fed induction generator (DFIG). The objective is to study and apply a robust active and reactive power control strategy based on GPC of the DFIG, this is likely to optimize the energy production and improve the quality of the energy...

This paper introduces a robust system designed to effectively manage and enhance the electrical output of a Wind Energy Conversion System (WECS) using a Cascaded Doubly Fed Induction Generator (CDFIG) connected to a power grid. The solution that was investigated is the use of a CDFIG that is based on a variable-speed wind power conversion chain. It...

This study focuses on optimizing energy extraction from Wind Power Generation Systems (WPGS) using a cascaded Doubly Fed Induction Generator (CDFIG) amidst variable wind speed operation. The aim of this study is to provide a new robust nonlinear control technique. The proposed method is founded on a fractional-order Proportional–Integral–Derivative...

The hysteresis cycle is one of the main parameters that define the characteristics of materials used in the design of transformer. This parameter is strongly influenced by the transient regime of the transformer which has a great influence on the operating point of the transformer. The idea of this paper is original and represents an initiation to...

The purpose of this research study is to investigate the performance of a cascaded doubly fed induction generator (CDFIG) that is integrated with a matrix converter (MC) while operating at various speeds and while connected to the grid. The operating efficiency and stability of the CDFIG system under a variety of load scenarios are the primary fact...

This paper presents a thermal analysis of an asynchronous motor to identify the components most sensitive to temperature increases, both in transient and steady-state conditions. Overheating in electrical machines is a critical issue in industry, leading to significant damage. Due to its serious consequences, this study provides a comprehensive the...

This paper compares between a High-Gain Observer (HGO) with a nonlinear observer based on the Circle Criteria Observer (CCO) for sensorless control of induction motor (IM) drives. The circle criterion method is better for making nonlinear observers because it doesn't require as strict conditions as other methods that try to get rid of system nonlin...

In recent years, Direct Current Networks (DCNs) have attracted researchers and scientists in high-voltage transmission lines, Medium-Voltage Distribution Networks (MV-DN), and microgrids. This is due to the many benefits they offer compared to traditional Alternating Current Networks (ACNs). These advantages can only be seen under specific criteria...

The use of an electromagnetic converter of great reliability in wind energy, like the cascaded doubly fed induction generator (CDFIG), can solve several problems compared to the doubly fed induction generator (DFIG), among them the elimination of the brushes and copper rings. The work consists of studying the performance of a CDFIG-based wind syste...

Inrush currents generated when an electrical transformer is energized can achieve great values and cause abnormal difficulties in the power grid. The sympathetic inrush current phenomenon is resulted in the power system when a transformer is energized with the existence of other transformer already energized. The main objective of this article is t...

The harvesting of natural resources that can be replenished is experiencing explosive growth not just in industrialized nations but also in some less developed nations. This study focuses on the control of a hybrid photovoltaic-wind energy system known as WIND-PV. This system is utilized to serve a load in a city that is not connected to the grid....

This paper focuses on a renewable energy system connected to a dual-function power grid through a parallel active power filter for simultaneously injecting photovoltaic energy to the grid and improving the power quality in the presence of the non-linear load. The rejection of disturbances affecting the grid is offered by the improved direct power c...

Introduction. Internal combustion engine technology has been considered for the alternator system in the last two decades. Especially when considering fuel diversity, reliability, portability, power density, research studies are increasing day by day. In this respect, interest has been focused on linear generator studies. Purpose. The goal of the r...

The harvesting of natural resources that can be replenished is experiencing explosive growth not just in industrialized nations but also in some less developed nations. This study focuses on the control of a hybrid photovoltaic-wind energy system known as WIND-PV. This system is utilized to serve a load in a city that is not connected to the grid....

The inrush currents which generated at the energization moment of an electric transformer can reach high values and cause some abnormal problems in the power system. The idea of this article represents an initiation to a research project to the influence of the load on the transient regime, i.e., inrush current. This is accomplished by adding...

The main goal of this work is the mitigation of inrush current in a three-phase transformer. This inrush current appears when energizing a no-load or lightly loaded transformer. It can reach very high values and can cause failures in the electrical system. The control strategy is achieved by considering the value of the residual flux when the trans...

When putting any unloaded transformer into service, a high-value current that can be very dangerous, called the inrush current, appears. The latter may cause problems and consequences in the electrical system. The challenges of visualizing the effects of transient regimes on the iron core's characteristics and the influence of the type of load on i...

A sensorless speed, average temperature and resistance estimation technique based on Neural Network (NN) for brushed DC machines is proposed in this paper. The literature on parameters and state spaces estimations of the Brushed DC machines, shows a variety of approaches. However, these observers are sensitive to a noise, on the model accuracy also...

Photovoltaic (PV) energy is amongst the most helpful renewable and sustainable energy sources since it offers a variety of benefits. Because it has a number of advantages [1], including being free, having a long life of usage, requiring very little maintenance, having no moving parts, and not being polluted [2]. However, one of the most significant...

Induction motor (IM) malfunctions can be very costly due to the financial losses associated with lost productivity. According to studies by the IEEE Industry Applications Society, 30% of motor failures are related to the insulation of the stator winding [1]. According to our literature search [2]–[6], many techniques have been developed to obtain t...

Optimization of reactive power dispatch (ORPD) is essential to ensure the stable and secure operation of electric power systems. In this paper, an efficient and robust African vultures-inspired algorithm (AVOA) is proposed for determining control parameters of electric power systems to deal with an optimal reactive power dispatch (ORPD) problem. OR...

Introduction. This article deals with the optimization of the energy conversion of a grid-connected photovoltaic system. The novelty is to develop an intelligent maximum power point tracking technique using artificial neural network algorithms. Purpose. Intelligent maximum power point tracking technique is developed in order to improve the photovol...

Introduction. This article deals with the optimization of the energy conversion of a grid-connected photovoltaic system. The novelty is to develop an intelligent maximum power point tracking technique using artificial neural network algorithms. Purpose. Intelligent maximum power point tracking technique is developed in order to improve the photovol...

Nowadays, power transformer aging and failures are viewed with great attention in power transmission industry. Dissolved gas analysis (DGA) is classified among the biggest widely used methods used within the context of asset management policy to detect the incipient faults in their earlier stage in power transformers. Up to now, several procedures...

Nowadays, power transformer aging and failures are viewed with great attention in power transmission industry. Dissolved gas analysis (DGA) is classified among the biggest widely used methods used within the context of asset management policy to detect the incipient faults in their earlier stage in power transformers. Up to now, several procedures...

A sensorless speed, average temperature and resistance estimation technique based on Neural Network (NN) for brushed DC machines is proposed in this paper. The literature on parameters and state spaces estimations of the Brushed DC machines, shows a variety of approaches. However, these observers are sensitive to a noise, on the model accuracy also...

The use of power converters for everyday applications is becoming more and more important. Current technological applications simultaneously demand a high level of precision and performance, so DC-DC converters have a very important role in systems requiring energy level conversion and adaptation. As part of the work of this paper, we are intereste...

With increasing research and advancement in solid-state power electronic devices and microprocessors, various inverter control techniques employing pulse width modulation (PWM) are becoming popular especially in AC motor drive applications. The most commonly used techniques are Sinusoidal PWM (SPWM) and space vector modulation PWM (SVPWM). SVPWM is...

L’estimation des grandeurs internes des systèmes non linéaires devient nécessaire dans les cas où les seules grandeurs accessibles sont les entrées et les sorties du système, la machine à courant continu (MCC) et la machine asynchrone (MAS) sont des exemples typiques. Dans notre travail deux estimateurs des paramètres internes sont développés le Fi...

In this paper the active parallel filter was studied in the power grid, the purpose of this filter is to minimize the harmonic currents generated by the non-linear loads (rectifier and RL load), the basic principle of this filter is to identify the harmonic currents, and filtered them by a DC / AC converter, In this paper we used a simple identific...

The temperature of electrical machines is one of the main factors limiting their performance. This temperature must respect the limits imposed by design and must not exceed them. Therefore, in order to be able to predict the temperature rise in the machines, thermal models are used. These allow on the one hand to thermally modeling the machines for...

Cet article consiste à étudier la commande des onduleurs multi-niveaux asymétrique appliquée à la conduite d'une machine asynchrone triphasée. On a étudié ce type d'onduleurs parce qu'il est susceptible de générer des tensions quasi sinusoïdale ayant un nombre de niveau impair largement qui peuvent atteindre entre 2K+1 et 3 K niveaux (K: cellules à...

The objective of this paper is to develop an Artificial Neural Network (ANN) model to estimate simultaneously, parameters and state of a brushed DC machine. The proposed ANN estimator is novel in the sense that his estimates simultaneously temperature, speed and rotor resistance based only on the measurement of the voltage and current inputs. Many...

In this paper, a sensorless speed and armature resistance and temperature estimator for Brushed (B) DC machines is proposed, based on a Cascade-Forward Neural Network (CFNN) and Quasi-Newton BFGS backpropagation (BP). Since we wish to avoid the use of a thermal sensor, a thermal model is needed to estimate the temperature of the BDC machine. Previo...

In this paper, a sensorless speed and armature resistance and temperature estimator for Brushed (B) DC machines is proposed, based on a Cascade-Forward Neural Network (CFNN) and Quasi-Newton BFGS backpropagation (BP). Since we wish to avoid the use of a thermal sensor, a thermal model is needed to estimate the temperature of the BDC machine. Previo...

Cet article présenté une etude comparative entre trois stratégies de la commande DTC à 6 sectors basée sur les réseaux de neurones artificiels de la machine asynchrone (1MW) alimentée par onduleur NPC de tension à sept niveaux. Cette commande est robuste et simple d’implémentation. La DTCANN à 6 secteurs avec une nouvelle table de commutation rédui...

Nous présentons dans cette étude une amélioration de la commande DTC modifié. Nous avons proposées quatre stratégies de DTC modifié. Cependant, la présence des correcteurs à hystérésis pose le problème de fluctuations sur les différentes grandeurs de sortie de la machine asynchrone. Un technique ont été préposée pour remédier à ce problème, nous av...

The objective of this paper is to develop an Artificial Neural Network (ANN) model to estimate simultaneously, parameters and state of a brushed DC machine. The proposed ANN estimator is novel in the sense that his estimates simultaneously temperature, speed and rotor resistance based only on the measurement of the voltage and current inputs. Many...

Permanent magnet Synchronous machines (PMSM) provide high efficiency, compact size, robustness, lightw eight, and low noise; these features qualify them as the best suitable machine for medical applications. With out forgetting its simple structure, high thrust, ease of maintenance, and controller feedback, make it possible to take the place of ste...

In this paper we interest to how we can make a multiphysics model of IM, the FEM currently represents the state-of-the-art in the numerical magnetic field computation relating to electrical machines. FEM is a numerical method to solve the partial differential equations that expresses the physical quantities of interest, in this case thermal transfe...

In this paper, a survey is conducted to examine the problem of estimating the states and parameters of an asynchronous machine when some of these measures are not available or the estimation approach is the best solution. The modeling is based on the theory of power dissipation; heat transfer and the rate of temperature increase the stator and the...

In this paper we interest to how we can make a multiphysics model of IM, the FEM currently represents the state-of-the-art in the numerical magnetic field computation relating to electrical machines. FEM is a numerical method to solve the partial differential equations that expresses the physical quantities of interest, in this case thermal transfe...

This paper deals with investigation on non purely sinusoidal input supply analysis of line-start PMM using finite element analysis (FEA), in the present times a greater awareness is generated by the problems of harmonic voltages and currents produced by non-linear loads like the power electronic converters. These combine with non-linear nature of P...

in this paper we interest to how we can validate simultaneously a thermal model and estimated variable of induction motor. This approach is possible by using special simulation package frequently exploited bout in university and industry. A simple description of each one of this famous software is presented. According to our needs and means; I took...

Department of Electrical engineering Ferhat Abbas University, Sétif, Algeria Laboratoire d’Automatique de Sétif, LAS Ferhat Abbas University, Sétif, Algeria.

PMSG provides a high performance, compact size, light weight, and low noise, without forgetting its simple structure, high thrust, and ease of maintenance, allow replacing steam catapults in the future. Most turbine generators at low wind speed are presented PMSGs, These it has advantages of high efficiency and reliability, since there is no need o...

In this paper we interested to the study the necessary of Facts to increase the transient stability on the presence of faults and the integration of new renewable source, like wind energy, these lasts make the electrical grid operate in a new conditions, the STATCOM is one of the important Facts element, It provides the desired reactive-power gener...

In this paper, a time stepping 2D and 3D FEM is performed for modeling and analysis external rotor DFIG .The finite element method currently represents the state-of-the-art in the numerical magnetic field computation relating to electrical machines. FEM is a numerical method to solve the partial differential equations (PDE) that expresses the physi...

Permanent magnet synchronous generators (PMSGs) have a bright prospect in the small wind turbine (WT) applications; PMSGs compared to the conventional electrically excitated generators have many advantages, that’s why they have attracted many and a strong interest of research. In this paper, a comparative PMSG performance study's is presented, thes...

In this paper we interested to the study the necessary of Facts to increase the transient stability on the presence of faults and the integration of new renewable source, like wind energy, these lasts make the electrical grid operate in a new conditions, the STATCOM is one of the important Facts element, It provides the desired reactive-power gener...

In this paper, a time stepping 2D and 3D FEM is performed for modeling and analysis external rotor DFIG .The finite element method currently represents the state-of-the-art in the numerical magnetic field computation relating to electrical machines. FEM is a numerical method to solve the partial differential equations (PDE) that expresses the physi...

In this paper we interested to the study the necessary of Facts to increase the transient stability on the presence of faults and the integration of new renewable source, like wind energy, these lasts make the electrical grid operate in a new conditions, the STATCOM is one of the important Facts element, It provides the desired reactive-power gen...

Résumé-Le présent travail entre dans le cadre de notre thème de recherche. C'est une exposition des différentes méthodes de modélisation des machines électriques, dont le but d'estimation des grandeurs intrinsèques souvent nom mesurable. Ces derniers sont très importants pour augmenter les performances dynamique, faire un diagnostic judicieux pour...

hemsas_ke_dz@yahoo.fr. Résumé-Le présent travail entre dans le cadre de notre thème de recherche. C'est une exposition des différentes méthodes de modélisation des machines électriques, dont le but d'estimation des grandeurs intrinsèques souvent nom mesurable. Ces derniers sont très importants pour augmenter les performances dynamique, faire un dia...

In this paper, a time stepping 2D and 3D FEM is performed for modeling and analysis interior rotor DFIG .The finite element method currently represents the state-of-the-art in the numerical magnetic field computation relating to electrical machines. FEM is a numerical method to solve the partial differential equations (PDE) that expresses the physi...

The induction machine, because of its robustness and low-cost, is commonly used in the industry. Nevertheless, as every type of electrical machine, this machine suffers of some limitations. The most important one is the working temperature which is the dimensioning parameter for the definition of the nominal working point and the machine lifetime....

In this paper, a time stepping 2D and 3D FEM is performed for modeling and analysis interior rotor DFIG .The finite element method currently represents the state-of-the-art in the numerical magnetic field computation relating to electrical machines. FEM is a numerical method to solve the partial differential equations (PDE) that expresses the physi...

La demande actuel des industriels qui n’est pas seulement la détection des défauts thermiques mais plutôt une surveillance thermique préventive, en temps réel. Notre étude se situe dans ce contexte et correspond donc à un besoin réel de la part des industriels. Afin d’éviter le dépassement de la température critique de fonctionnement en agissant, e...

The induction machine, because of its robustness and low-cost, is commonly used in the industry. Nevertheless, as every type of electrical machine, this machine suffers of some limitations. The most important one is the working temperature which is the dimensioning parameter for the definition of the nominal working point and the machine lifetime....

Le but de cet article est de visualisé l'effet des pertes variable qui augmentent avec la charge et les pertes constantes (pertes fer) sur le comportement thermique de moteur asynchrone. La modélisation est basée sur la théorie de dissipation de puissance, de transfert de chaleur et du taux de croissance de la température au stator et au rotor, en...

Les aspects thermiques jouent un rôle fondamental dans le vieillissement des machines électriques. Ceci se traduit par une croissance de la demande industrielle pour des systèmes de surveillance. La problématique de mesure des grandeurs internes fait appel aux techniques d’estimation. Dans ce contexte, nous proposons l’estimation, en temps réel, pa...