Hamid Bentarzi

Hamid Bentarzi
University M'Hamed Bougara of Boumerdes | UMBB · Laboratoire de signaux et systèmes (LSS)

Phd in EEE
My research activities are centered on control and protection systems reliability enhancement using recent technologies

About

150
Publications
78,222
Reads
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673
Citations
Citations since 2017
65 Research Items
440 Citations
2017201820192020202120222023020406080100
2017201820192020202120222023020406080100
2017201820192020202120222023020406080100
2017201820192020202120222023020406080100
Introduction
My research activities include the microelectronic systems applied to Power System, power system protection and phasor measurement unit. I have authored and co-authored aroud 100 papers published in conference proceedings and technical journals.
Additional affiliations
June 2014 - present
University M'Hamed Bougara of Boumerdes
Position
  • Managing Director
July 2012 - present
University M'Hamed Bougara of Boumerdes
Position
  • Professor (Full)
May 1993 - present
University M'Hamed Bougara of Boumerdes
Position
  • Professor
Description
  • My interests are in the fields of microelectronics, electrical protection systems and systems reliability.
Education
October 1998 - November 2004
National Polytechnic School (ENP)
Field of study
  • Micro-electronic

Publications

Publications (150)
Article
Full-text available
The Combined Cycle Gas Turbines (CCGT) has encountered a large diffusion over the last decades. Different researchers have focused on performance evaluation of CCGT through mathematical modeling techniques. Hence, there are some important factors which should be respected while modeling the CCGT. These factors include type of different components o...
Article
Full-text available
Temperature is an important indicator of the electrical equipment conditions. An accurate fault diagnosis can be performed by using the temperature profile of the electrical equipment surface. Infrared thermograph has gained more attention and becomes an interesting method in electrical fault diagnosis due to its advantages. This paper presents a r...
Article
The transition of the global energy system to affordable, reliable and clean sources is an important target of several international climate change accords and conferences such as the United Nations Framework Convention on Climate Change (UNFCCC) and its Conferences of parties (COP), Kyoto protocol and the UN Sustainable Development Goals (SDGs). T...
Article
Full-text available
As the power system becomes smarter, the difficulty of control is also increasing. Since, load frequency and voltage stability is an important power quality index in power system, any sudden load disturbance will cause the system load frequency and voltage deviation, and as the power system becomes more complex. However, the stability and reliabili...
Article
Full-text available
Inter-Area oscillations result from system events coupled with a poorly damped electric power system. The oscillations are observed in the large system with groups of generators, or generating plants connected by relatively weak tie lines. The frequency oscillation is the major problem for interconnected power systems; hence, the stability of these...
Poster
Full-text available
European Conference on Renewable Energy Systems ECRES, Istanbul, Turkey, May 7-9th 2022 Special Session on Synchro-Phasor Measurement Unit and its Applications in Smart Grid integrating Renewable Energy Systems Organized by Pr. Hamid BENTARZI
Article
Full-text available
In different photovoltaic PV applications, it is very important to model the PV cell. However, the model parameters are usually unavailable in the datasheet provided by the manufacturers and they change due to degradation. This paper presents a method for identifying the optimal parameters of a PV cell. This method is based on the one diode model u...
Article
Full-text available
Combined cycle gas turbines (CCGTs) have considerable merits and are mainly the most frequently researched topics in power generation, due to their attractive performance characteristics and low-emission combustion system. A change in power demands throughout a power system is reflected by a change in the frequency in the network. Therefore, a sign...
Article
Full-text available
In a power plant, sub-synchronous resonance is not encountered very often, but when it occurs, it can cause a very serious problem and severe damage. Many efforts have been investigated to study and hence mitigate a resonance produced between electrical synchronous machines and the electrical grid that may arise for frequencies other than the funda...
Chapter
This chapter presents how root cause analysis based on fault tree technique can be used to study mal-operation of protective relay in a smart power grid. This approach is used to identify disturbances first and root cause of mal operation of protective relays which may lead to unnecessary tripping and hence to blackout. Once the critical root cause...
Article
Full-text available
Synchronous generator is the most important element of a power system and its fast and reliable protection is crucial. One of the most abnormal conditions in a generator is loss of excitation (LOE) which is harmful to both the generator and the power system. This condition should be detected and the generator isolated from the system to avoid gener...
Article
Full-text available
Batteries play an important role in the performance enhancement of power grids including renewable energy systems. In order to attain the rated service life and the longest possible run time of a battery, it is necessary to be monitored and maintained. This needs for an effective real-time characterization platform. Therefore, this paperpresents a...
Article
Full-text available
In this research work, a new method is proposed for linearizing a class of nonlinear multivariable system; where the number of inputs divides exactly the number of states. The idea of proposed method consists in representing the original nonlinear system into a state-dependent coefficient form and applying block similarity transformations that allo...
Article
In conventional transmission line protection, a distance relay is used to provide the primary as well as backup protection. The voltage and current phasors measurement needed by the distance relay for determining the impedance may be affected by the power disturbances such as power swing. Consequently, this power swing may cause mal-operation of Zo...
Chapter
For many areas, powering their homes or small businesses using a small renewable energy system that is not connected to the electricity grid. The monitoring system is essential for isolated areas; with existing monitoring systems the cost of returning is very expensive and difficult to install. In this work we have proposed a monitoring technique b...
Chapter
This chapter presents different techniques for obtaining the optimal number of the phasor measurement units (PMUs) that may be installed in a smart power grid to achieve full network observability under fault conditions. These optimization techniques such as binary teaching learning based optimization (BTLBO) technique, particle swarm optimization,...
Chapter
Full-text available
A power transformer is protected against internal faults using a differential protection which is sensitive and a fast. However, during transformer magnetization (inrush current or over-excitation), the differential relay may operate unnecessarily. This phenomenon appears only when a transformer is first energized or after clearing external fault....
Chapter
This chapter presents how root cause analysis based on fault tree technique can be used to study mal-operation of protective relay in a smart power grid. This approach is used to identify disturbances first and root cause of mal operation of protective relays which may lead to unnecessary tripping and hence to blackout. Once the critical root cause...
Chapter
Many models of phasor measurement units (PMU) have been implemented; however, few dynamic models have been developed when the power system parameters change. It is necessary to use a method that can somehow estimate the frequency and correct the phasors. The conventional way to determine frequency is to detect zero crossings per unit time. However,...
Chapter
In this research work, a new approach of decentralized energy management for smart grid is proposed to solve the problem of distributed voltage regulation. Where, micro-grids and aggregators are used as smart agents that can communicate with each other to share information, distribute energy and control their own energy consummation. Aggregators ma...
Article
Full-text available
Mitigation of the major risk caused by the Coronavirus epidemic must be approached in a scientific manner by using methods and tools of risk analysis and management. In order to develop an effective strategy, emergency plan based on these methods for minimizing human losses whatever the scenario that may arise in the future may be established.
Preprint
Full-text available
Mitigation of the major risk due to the Corona-Virus pandemic may be studied in a scientific manner, using methods and tools of risk analysis and management in order to develop an effective strategy, action or emergency plan and to minimize human losses, whatever the scenario that may arise in the future.
Article
Full-text available
In this paper, a new approach for aging aware CMOS 6T-SRAM design has been proposed. It is based on transistor sizing technique by resizing the cell transistors to enhance cell stability and hence increase its reliability lifetime. The cell stability is analyzed in terms of hold and read static noise margins, and writes ability. The obtained simula...
Article
Full-text available
A differential relay that is very sensitive relay operating even at its limits may be used for protecting a power transformer. However, this characteristic may lead to unnecessary tripping due to transient currents. In order to avoid this unnecessary tripping, estimated harmonics of these currents may be required which need great computation effort...
Article
Full-text available
In conventional transmission line protection, a three-zone stepped directional distance scheme is used to provide the primary as well as remote backup protection. The voltage and current phasors are needed by the distance relay for determining the impedance. In this paper, a new frame work is proposed using Data Acquisition Card, which acquires rea...
Article
Full-text available
La mitigation du risque majeur que représente la pandémie provoquée par le Coronavirus Covid-19 doit être impérativement abordée d'une manière scientifique, utilisant des méthodes et des outils d'analyse et de management des risques pour permette de dégager une stratégie, un plan d'action ou d'urgence efficace et de minimisation de pertes humaines,...
Preprint
Full-text available
Les respirateurs artificiels, utilisés notamment pour les patients en insuffisance respiratoire aigüe, sont essentiels dans les cas graves de Covid-19. Le nombre de ces dispositifs peut devenir insuffisant pour répondre à des besoins grandissants. La disponibilité des respirateurs est l'un des points clés de la maîtrise de la pandémie du Covid-19.C...
Preprint
Full-text available
La mitigation du risque majeur que représente la pandémie provoquée par le Coronavirus doit être impérativement abordée d’une manière scientifique, utilisant des méthodes et des outils d’analyse et de management des risques pour permette de dégager une stratégie, un plan d’action ou d’urgence efficace et de minimisation de pertes humaines, quelque...
Preprint
Full-text available
La mitigation du risque majeur que représente la pandémie provoquée par le Coronavirus doit être impérativement abordée d'une manière scientifique, utilisant des méthodes et des outils d'analyse et de management des risques pour permette de dégager une stratégie, un plan d'action ou d'urgence efficace et de minimisation de pertes humaines, quelque...
Article
Full-text available
La possibilité d'un risque majeur de pandémie provoquée par Coronavirus de grande ampleur doit être impérativement abordé d'une manière scientifique, utilisant des méthodes et des outils d'analyse et de management des risques pour permettre de dégager une stratégie, un plan d'action ou d'urgence efficace et de minimisation de pertes humaines, quelq...
Chapter
Reliability is a conceptual term that means endurance, dependability, and good performance. However, in system engineering, it is more than a conceptual term; it can be measured and evaluated. Reliability means the ability of a system to perform the required task under the normal conditions during its age. A complexity in system reliability may be...
Article
Full-text available
Voltage unbalance is one of the power quality problems causing a lot of ill effects on induction motors. These are namely: Overheating, line-current unbalance, derating, torque pulsation, and inefficiency. The objective of the present work is to assess and quantify the effects of voltage unbalance on induction motors using both theory and experimen...
Article
Full-text available
This research work presents an enhancement in the positive offset mho element that may be used in the loss of excitation (LOE) protection scheme of synchronous generator associated with a static synchronous compensator (STATCOM) in transmission line. This enhanced element of the protection scheme is based on recalculating the impedance at the relay...
Article
This article presents a novel comprehensive learning bat algorithm (CLBAT) for the optimal coordinated design of power system stabilizers (PSSs) and static VAR compensator (SVC) for damping electromechanical oscillations in multi-machine power systems considering a wide range of operating conditions. The CLBAT incorporates a new comprehensive learn...
Article
Full-text available
A telerobotic system consists of integrating an operator into the control loop of a remote robot. Due to safety considerations, it is very important sometimes that the operator be able to remotely take control of the task and the robot. In this paper, a shared control mode for mobile robots is defined according to the operator ability to control th...
Article
The placement of synchro-phasor measurement units in electric transmission systems has also gained much attention for enhancing the control as well as the protection scheme. In this research work, a binary teaching learning based optimization (BTLBO) algorithm for the optimal placement of synchro-phasor measurement units (SPMUs) is proposed. The op...
Conference Paper
Full-text available
Sudden changes in electrical network generate transient phenomena, frequently resulting in the creation of overvoltages. Algerian utility in the south of the country is of vital importance since it covers petroleum cities as Hassi Messaoud Town. This work is an attempt to analyse some types of transients using the Alternative Transient Program (ATP...
Article
Full-text available
It is vital in the prevention of the ferroresonance to consider this phenomenon from new side. The design of the equipment needs deep studies to avoid such disturbance. This paper presents a new way in ferroresonance studies, by the use of the Root Cause Analysis (RCA) in a systematic step by step process to discover the true cause of this problem....
Article
Full-text available
The phasor measurement units (PMUs) play an important and vital role in power system monitoring and controlling, since they provide the power system phasors stamped with a common real time reference through a global positioning system (GPS). Indeed, from economical point of view it is not possible to set PMUs in all system buses due to the high cos...
Conference Paper
Path planning is an essential task for any autonomous mobile robot to extract an optimal free path from a given initial position to a defined target. In this work, new approach built upon the internet of things (IoT) has been proposed; microprocessor based devices are used on path generation and robot platforms focus on path following. Hence, two d...
Chapter
Full-text available
Monitoring of the electrical power system has an importance in its reliability. In order to ensure the best monitoring, the system of measure and communication must be precise and in real time. The integration of PMU technology in the electrical power system improves reliability monitoring for the local and large area power system. In this paper, w...
Article
Full-text available
A physical based model for the negative bias temperature instability is proposed. The proposed model can predict the most accepted features of the degradation such as fast degradation recovery, as well as the long term recovery component. The model reconciles the two widely and experimentally proved features, which are Hydrogen diffusion in the oxi...
Conference Paper
Full-text available
After entering the grid-tied solar energy conversion systems most of the researches are concentrating on the enhancement of the Power quality, using different strategies on the different parts of the global system. This work presents a grid-tied PV system with two stages starting from the PV panel with MPPT control unit (P&O algorithm), DC-DC Boost...
Conference Paper
Full-text available
The project aims at the design and the construction of a numerical over current relay in PC using LabVIEW. It will acquire, sample and convert into digital form the analog current signals from a power system in real time using the NI USB-6009 acquisition card. When a current in a part of a power system exceeds a pre-set value due to a fault or a la...
Article
A humanoid robot is now a reality, which has been very developed. It can do almost all tasks that either the human can do or not as well as the dangerous tasks. The researchers recently develop robots, which can see, smell, smile, speak, touch, walk and talk using the more advanced technological tools such as computer aided design. However, these h...
Article
HAZOP Analysis is used to determine great deviations which will affect the operational safety of a boiler of an existing petrochemical plant that may affect on persons, material and the environment. PLC is proposed to provide the safety function to fit into the overall machine control system as a safety-related part. It reads from the temperature,...
Article
A distance relay, which is widely used for protecting a power transmission line as the primary as well as remote backup device, may be affected by the power disturbances such as power swings and post-faults. Consequently, false trips of protection system may be resulted. Root cause analysis based on fault tree analysis has been used to identify dis...
Article
Full-text available
Ferroresonance is a phenomenon of complex nature which may be studied profoundly for avoiding it and protect the power equipment with appropriate protective devices when it occurs. The accuracy of the transformer model and the power system's parameters has a direct effect on the prediction of this phenomenon. A distribution network consists of gene...
Article
Fuzzy control is a practical alternative for a variety of challenging control applications since it provides a convenient method for constructing nonlinear controllers via the use of heuristic information; this is done through the application of the techniques that use human judgment and experience rather than precise mathematical models. However,...
Article
Full-text available
Currently, problems of autonomous wheeled mobile robots in unknown environments are great challenge. Obstacle avoidance and path planning are the back bone of autonomous control as it makes robot able to reach its destination without collision. Dodging obstacles in dynamic and uncertain environment is the most complex part of obstacle avoidance and...
Article
In conventional transmission line protection, a distance relay is used to provide the primary as well as remote backup protection. The voltage and current phasors measurement needed by the distance relay for determining the impedance may be affected by the power disturbances such as power swing. Consequently, this power swing may cause mal-operatio...
Chapter
Oscillatory events at low frequencies are commonly witnessed in interconnected power systems. Phasor Measurement Units (PMU) can provide time-synchronized measurements; it can communicate the synchronized local and inter-area information to remote station. In this paper, we have modeled a PMU, and we have tested it in the 14-bus power system . It p...
Article
Conventionally, steady state design for distillation column is often completed before dynamics and control issues are considered. The aim of this paper is to use the design issues as a tool to improve dynamic behavior of binary distillation column. The idea is augmenting the liquid holdup in the feed plate through a middle vessel. The degree of int...
Article
A differential relay that is very sensitive relay operating even at its limits may be used for protecting a power transformer. However, this characteristic may lead to unnecessary tripping due to transient currents such as an inrush and over excitation current. In order to avoid this mal-operation of the relay, a second and fifth harmonic blocking...
Chapter
The identification and classification of electrical faults have a great importance in power system analysis. They help in the dimensioning and the adequate choice of electrical equipment, especially, for protective and interrupting devices. This chapter describes the various faults undergone by the power system and removes some ambiguities causing...
Article
Full-text available
The problem of mal operation of differential protection of power transformer due to the inrush magnetizing current has long considered as a challenging problem. Several types of protection relays have been used to solve the issue (basic relay, percentage relay, multi slop Each of them has its advantage and its limits. In this paper, a Digital diffe...
Conference Paper
Full-text available
In conventional transmission line protection, a three-zone stepped directional distance scheme is used to provide the primary as well as remote backup protection. The voltage and current measurements are needed by the distance relay for determining the impedance. In this paper, a new design model of mho distance relay has been implemented first in...
Conference Paper
Full-text available
Abstract: The aim of this work is to study and analyze induction motor adjustable speed drive characteristics under voltage unbalance conditions. This paper tries to cover the main possible magnitude and phase unbalance. Two systems are considered: first, three phase induction motor connected directly to a three phase voltage source and the second...
Conference Paper
One of major contingencies of an electric power system is due to imbalance between loads and generated electric power. This leads to instability in the power system and hence to a blackout. Conventional Under frequency Load Shedding Schemes have been widely used, to restore power system stability. However, the analysis of recent blackouts suggests...
Article
In this work, the performance of the induction motor under unbalanced three phase supply voltage conditions is assessed. This study compares the effects of scalar and complex modeling of voltage unbalance on the induction motor performance parameters such as torque, current, losses, efficiency and power factor. Different scenarios of unbalanced pha...
Article
Hybrid power system presented in this work focuses on the combination of wind, solar, and energy storing systems for sustainable power generation. The output power of wind turbine is only available under a specific speed or higher. The solar energy varies hourly, daily and seasonally which depends on variation of solar irradiation. A generator-set...
Article
Measurements of the instantaneous amplitude and phase angle of the fundamental current or voltage components and frequency that may be needed in three-phase power grid instrumentations/meters and relays may be affected by several encountering disturbances. These disturbances may be due to an abrupt heavy load changes and post-faults resulting in fr...
Chapter
In recent years, the placement of phasor measurement units (PMUs) in wide area measurement systems has gained much attention. This work presents a binary teaching learning-based optimization (BTLBO) algorithm for the optimal placement of PMUs. The optimal PMU placement problem is formulated to minimize the number of PMUs installation subject to ful...
Article
Full-text available
A key issue in mobile robot applications involves building a map of the environment that may be used by the robot for path planning. In this paper, a new approach for uneven environment reconstruction based on the information supplied by a millimetre wave (MMW) radar has been proposed. The returned raw data from the MMW are stored in a database and...
Article
A differential relay that is very sensitive relay operating even at its limits may be used for protecting a power transformer. However, this characteristic may lead to unnecessary tripping due to transient currents. In order to avoid this unnecessary tripping, estimated harmonics of these currents may be required which need great computation effort...
Article
The development of digital protective relays is considered as a real revolution in the field of power system protection. This is due to their wonderful features not available with older relay generations such as: multifunction, compactness, communication…etc. However, many experts have expressed their anxieties about the reliability of this kind of...
Chapter
In a power grid with distributed different resources, a capacitor bank is used for overall compensation purpose. However, when a part of this grid is islanded, the capacitor bank will be used for induction generator operation in the case of wind energy source. If a same capacitance is permanently connected, it may cause a severe over-voltage due to...