Ali M. Eltamaly

Ali M. Eltamaly
Mansoura University · Department of Electrical Engineering

Distinguished Professor from Egyptian Supreme Council of Universities; Mansoura University; Egypt

About

226
Publications
236,993
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3,692
Citations
Introduction
Ali M. Eltamaly is a full professor at King Saud University, Saudi Arabia, and Mansoura University, Egypt. He received his B.Sc. and M.Sc. degrees in electrical engineering from Al-Minia University, Egypt in 1992 and 1996, respectively. He received his Ph.D. degree in Electrical Engineering in Texas A&M University in 2000. His current research interests include renewable energy, smart grids, power electronics, motor drives, power quality, artificial intelligence, evolutionary and heuristic optimization techniques, and distributed generation. He has published 15 books and book chapters and he has authored or coauthored more than 150 refereed journal articles and conference papers, as well as a number of patents with the US Patent Office. He has supervised several of M.Sc. and Ph.D. theses.
Additional affiliations
October 2005 - November 2015
King Saud University
Position
  • Professor (Associate)
January 2004 - present
Mansoura University
Position
  • Professor
January 1992 - December 2015
King Saud University
Position
  • Professor

Publications

Publications (226)
Poster
Full-text available
The Guest Editors are inviting submissions to a Special Issue of the Energies journal on “Soft Computing Applications in Electric Power Networks”. Recently, soft computing applications, as a part of artificial intelligence, have attracted many researchers and engineers to overcome the difficult problems that result from an enormous number of differ...
Article
Full-text available
Solar photovoltaic (PV) energy systems are representing the most attractive source of energy, especially with the continuous reduction of manufacturing costs. The new systems' sizing and cost estimation depend mainly on the accurate modeling of the PV cells. The modeling of the PV cells is based on one-diode modeling with five unknown parameters or...
Article
Full-text available
This paper aims to develop the recently introduced Spilt-Source Inverter (SSI) topology to improve its boosting characteristics. New SSI topologies with high voltage gain are introduced in this paper. The proposed converters square the basic SSI’s boosting factor by utilizing an additional inductor, capacitor, and two diodes. Thus, the proposed con...
Conference Paper
Full-text available
This paper aims to discuss the importance of improving the power factor for enhancing the power system quality. The low power factor in the power system is directly increase the transmission power losses, and decrease the useful life of the high voltage equipment’s. Power factor is the ratio between the useful “real” power (kW) to the total “appare...
Presentation
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https://www.youtube.com/watch?v=_c96aK359LM https://us02web.zoom.us/j/89661010660?pwd=eFZBNTFLV2l0U2pKeWZvNHJN Y2lOdz09 Meeting ID: 896 6101 0660 Passcode: 570832
Article
Full-text available
The global trend towards renewable energy sources, especially solar energy, has had a significant impact on the development of scientific research to manufacture high-performance solar cells. The issue of creating a model that simulates a solar module and extracting its parameter is essential in designing an improved and high performance photovolta...
Article
Demand response management (DRM) aims to curb the energy consumption by reducing the peak load and thereby improve the performance of distributed generation (DG). From the utility perspective, the cost of generation should be kept minimum, whereas from the customer’s view, the social welfare should be maximum. Therefore this research focuses on a n...
Article
Full-text available
This paper presents an analysis and optimization of an isolated hybrid renewable power system to operate in the Alrashda village in the Dakhla Oasis, which is situated in the New Valley Governorate in Egypt. The proposed hybrid system is designed to integrate a biomass system with a photovoltaic (PV), wind turbine (WT) and battery storage system (B...
Article
Full-text available
The use of hybrid renewable energy systems (HRES) has become the best option for supplying electricity to sites remote from the central power system because of its sustainability, environmental friendliness, and its low cost of energy compared to many conventional sources such as diesel generators. Due to the intermittent nature of renewable energy...
Conference Paper
Full-text available
With the increase of the world population and the life standard, the electrical power system is requiring to extend for absorbing the loads which transmit the electrical power to high long-distance starting from the generation point to the loads. But, by transmitting the generated power to a high long-distance, the power losses will increase relate...
Poster
https://www.mdpi.com/journal/energies/special_issues/Sizing_Allocation_Strategies_Renewable_Distributed_Generations Special Issue Editor Prof. Dr. Ali M Eltamaly E-Mail Website Guest Editor Department of Electrical engineering, Sustainable Energy Technologies Center, College of Engineering, King Saud University POB: 800, Riyadh, Saudi Arabia Inter...
Article
Due to the multiple peaks generated in the power to voltage characteristics of partially shaded photovoltaic (PV) arrays there is an urgent need for an effective optimization algorithm to capture its global peak instead of the local peaks. The required optimization algorithm should converge very fast and accurately capture the global peak. Many met...
Article
Full-text available
There is a growing interest in increasing the penetration rate of renewable energy systems due to the drawbacks associated with the use of fossil fuels. However, the grid integration of renewable energy systems represents many challenging tasks for system operation, stability, reliability, and power quality. Small hybrid renewable energy systems (H...
Article
Full-text available
In this study, we present a novel methodology to design and optimally operate a standalone wind-driven reverse osmosis desalination plant to provide the required water production in face of fluctuating wind power. The methodology is applied to a plant with a capacity of 2,592 m 3 /h for a rural area in Saudi Arabia. The plant nominal size, operatin...
Article
Full-text available
To carry out the study and simulations of anti-islanding systems, it is necessary to take into account the generic system proposed by the IEEE 929-2000 and IEEE 1547 standards, where the network, the RLC load, and PV inverter are connected in parallel to the PCC. The IEEE 929-2000 standard defines the quality factor to have a standard test conditio...
Article
Full-text available
A hybrid energy system (HES) is a perfect option for supplying electric energy to remote areas. A HES normally uses renewable energy sources such as wind and PV. Owing to the intermittent nature of these sources, HES should have batteries and/or conventional energy sources. HES proposed in this study is having wind, PV, batteries, and diesel genera...
Article
Full-text available
In this study, a new distributed generation sizing that inherits the allocation strategy for the IEEE 30-bus benchmark system is proposed. The hybrid crow search-particle swarm optimization technique would select the optimal buses through the automatic cancelation of the unfeasible load buses. Additionally, it performs sizing that inherits allocati...
Chapter
Full-text available
Power system quality is a vital issue for electricity companies and consumers of low and medium voltage. So as to decrease the generation power from fossil fuel, it is important to depend on the renewable energy sources which consider as low running cost and low environmental aspects as compared with the traditional power generation. Distributed ge...
Conference Paper
Full-text available
Smart Grids came about as an answer to a need to modernize the electricity grid, make it greener and improve the delivery of power. Smart Grid provides consumers better choice of supply and information also permits consumers to play a part in optimizing operation of the system. It enables demand side management (DSM) and demand response (DR) throug...
Chapter
Full-text available
In this chapter the performance of various maximum power point tracking techniques for Photovoltaic (PV) systems has been presented, under uniform and non-uniform irradiance conditions. Under uniform irradiance conditions, the power-voltage curve of PV systems is nonlinear and contains one peak point whose location appertains to the irradiation and...
Book
This book presents a detailed description, analysis, comparison of the latest research and developments in photovoltaic energy. Discussing everything from semiconductors to system integration, and applying various advanced technologies to stand alone and electric utility interfaced in normal and abnormal operating conditions of PV systems, this boo...
Article
Saudi Arabia tries to build local desalination water stations to supply water to remote areas. Due to the low cost and energy requirements of reverse osmosis (RO) desalination technology, it has been used to supply fresh water to Arar City in the northeast of Saudi Arabia. In this paper, it is proposed to provide an average of 1000 cubic meters of...
Chapter
Full-text available
The generated power from the photovoltaic (PV) array is a function in its terminal voltage. The relation between the generated power and the terminal voltage of the PV array is called the P–V curve. The point corresponding to the highest generated power in this relation is called maximum power point (MPP). This relation has only one peak in the cas...
Chapter
Full-text available
A Microgrid is mainly uses to supply the local resource which is an unreliable or very small source, also it can be used to support the national grid during emergency cases. The protection and control techniques in the microgrid are considered as the highlight points which increase the reliability and independently to use the microgrid system. The...
Article
This article introduces a novel strategy for determining the optimal control parameters of particle swarm optimization (PSO) for the shortest convergence time and lowest failure rate of photovoltaic (PV) maximum power point tracker (MPPT) systems. This strategy is used offline to determine these parameters and then the control system uses them in t...
Chapter
The overall efficiency of the DFIG is superior when it is working close to the rated operating point and rated flux level. However, in light loads, optimal efficiency requires operation at a reduced flux level. In this chapter, several algorithms for increasing the steady-state efficiency that integrated with the wind power generation system are pr...
Chapter
The conventional control of the voltage source converter (VSC) assumes that the input voltage is balanced. However, unbalanced voltage is a phenomenon that occurs frequently in actual industrial sites. If the grid voltage is unbalanced, THD increases due to voltage negative component, and low harmonic components appear in DC-link voltage, which adv...
Chapter
In order to achieve maximum power point tracking (MPPT) of wind energy systems, the rotating speed of wind turbines (WTs) ought to be adjusted in the constant as indicated by wind speeds. However, fast wind speed varieties and heavy inertia bargain the MPPT control of WTs. This chapter proposes a fuzzy logic controller (FLC)-based MPPT strategy for...
Chapter
This chapter introduces a robust control scheme of load frequency control (LFC) of a micro-grid system integrated with a wind energy system. The control scheme is based on H ∞ and linear quadratic Gaussian techniques. The main idea of the control design is to be stable against the parameter's uncertainties and the load disturbance. A complete model...
Chapter
Wind generation is considered as one of the optimum renewable energy sources due to its more saving running cost, zero-emission, and friendly environment at comparing with the traditional power plants. Using the wind farms with the utility grid can't reach the optimum compensation during any abnormal condition in the power system. Distributed Stati...
Chapter
Full-text available
The objective of this chapter is to introduce the state of the art technology in wind power plant control and automation. This chapter starts with a historical background about supervisory control and automation evolution in the last decades. Several remarks are made regarding the use of SCADA Systems in wind turbine power plants. The Supervisory C...
Chapter
Wind energy system is becoming a mature technology for generating electric energy from the wind. The design of the wind energy system should take into consideration the matching between the wind speed site characteristics and the performance characteristics of the wind turbine. This chapter is introduced to perform the matching process between the...
Article
Partial shading conditions generate multiple peaks in the P‐V curve of photovoltaic (PV) arrays. Smart MPPT optimization techniques should be used to capture the global peak (GP) and avoid being trapped in one of the local peaks (LPs). The tracking of the GP should be fast and reliable to enhance the stability and increase the generated efficiency...
Article
Full-text available
In this study, a new distributed generation sizing that inherits the allocation strategy for the IEEE 30-bus benchmark system is proposed. The hybrid crow search-particle swarm optimization technique would select the optimal buses through the automatic cancelation of the unfeasible load buses. Additionally, it performs sizing that inherits allocati...
Article
Full-text available
The problem of partial shading has serious effects on the performance of photovoltaic (PV) systems. Adding a bypass diode in shunt to each PV module avoids hot-spot phenomena, but causes multi-peaks in the power-voltage (P-V) characteristics of the PV array, which cause traditional maximum power point tracking (MPPT) techniques to become trapped in...
Article
Full-text available
The sizing problem of the hybrid energy system (HES) is a crucial issue especially in rural communities because any wrong results can mislead the decision makers for building the new HES. Due to the intermittent nature of the renewable energy sources (RES) such as wind and PV, there will be a need for a high storage system and/or a standby diesel e...
Article
Full-text available
This work aimed to carry out an optimal investigation of the design and operation of a large capacity reverse osmosis (RO) desalination plant powered by wind energy. Different scenarios involving two design options, such as using storage tanks or batteries, and operation options, such as using variable or fixed feed pressure, were analyzed and opti...
Article
Full-text available
This study introduces a novel strategy that can determine the optimal values of control parameters of a PSO. These optimal control parameters will be very valuable to all the online optimization problems where the convergence time and the failure convergence rate are vital concerns. The newly proposed strategy uses two nested PSO (NESTPSO) searchin...
Article
Full-text available
This paper presents a model reference adaptive system (MRAS) method to estimate the position and speed of permanent magnet synchronous motor (PMSM) by considering the error between real and estimated rotor position values. A state equation of PMSM in synchronous d-q reference frame is expressed based on the estimated speed and nominal parameter of...
Article
Full-text available
Worldwide energy consumption is increasing at a faster pace than energy generation because of enhanced industrialization, growing population and, improved living standards. Using the Distributed Generation (DG) near the end consumers can support the electrical grid stability and enhance the power system quality. The DG is consisting of a small-scal...
Article
Full-text available
This review paper covers the global maximum power point tracking (GMPPT) methods for photovoltaic (PV) systems under partial shading conditions. Unlike the previous review works that primarily focus on soft computing and hybrid GMPPT, this paper gives exclusive attention to the improvement made by the conventional GMPPT (P&O, hill climbing, and Inc...
Preprint
Full-text available
This review paper covers global maximum power point tracking (GMPPT) methods for photovoltaic (PV) systems under partial shading conditions. Unlike the previous review works that primarily focused on soft computing and hybrid GMPPT, this paper gives exclusive attention to the improvement achieved by the conventional MPPT (P&O, hill climbing, and in...
Article
Full-text available
Optimal allocation and sizing of the distributed generations (DGs) attract great attention of many researchers all over the world. In this study, the problems associated to optimal DGs allocation and sizing are divided into two sub-problems. One of them deals with the DGs allocation at the critical buses and the other aims to select the optimal siz...
Article
Full-text available
The grid integration of large scale photovoltaic (PV) power plants represents many challenging tasks for system stability, reliability and power quality due to the intermittent nature of solar radiation and the site accessibility issues where most PV power plants are located over a wide area. In order to enable real-time monitoring and control of l...
Article
Full-text available
Currently, among the topologies of wind energy conversion systems, those based on full power converters are growing. The permanent magnet synchronous generator (PMSG) uses full power converter to allow wide speed ranges to extract the maximum power from the wind. In order to obtain efficient vector control in a synchronous generator with permanent...
Article
The research dealt with a subject of important and modern topics in the use of solar energy, especially in the applications of pumping water has been derived from the new equations to calculate the performance rates of photovoltaic pumping systems (PVPS). The structure of the proposed PVPS based on maximum power point tracking (MPPT) was presented....
Article
The research dealt with a subject of important and modern topics in the use of solar energy, especially in the applications of pumping water has been derived from the new equations to calculate the performance rates of photovoltaic pumping systems (PVPS). The structure of the proposed PVPS based on maximum power point tracking (MPPT) was presented....
Conference Paper
This paper introduces a survey of the revolutionary approach of Distributed Generation (DG), which will change the way electric power systems operate along with their types and operating technologies. Some important definitions of DGs and their operational constraints are discussed to help in understanding the concepts and regulations related to DG...
Article
Photovoltaic (PV) energy systems are very important electric generation sources in modern power systems. The generated power from the PV array is a function in its terminal voltage. Tracking the maximum power needs a DC/DC converter to control the PV array terminal voltage. The boost converter is used in this paper for this purpose. Due to the mult...
Article
Full-text available
Since the lifespan of an electrolytic capacitor is relatively short compared to other power semiconductor devices, the failure rate accounts for 60% and, thus, it is the most vulnerable component of the power conversion device. Therefore, the accurate measurement of the lifetime of an electrolytic capacitor is very important in ensuring the reliabi...
Article
Full-text available
Bat Algorithm (BA) is used to track the global peak (GP) of photovoltaic (PV) energy systems due to its fast convergence. Meanwhile, BA has many limitations when it is used as maximum power point tracker (MPPT) of PV systems like the need for re-initialization, and the problem of premature convergence. These problems are solved in this paper by inj...
Article
Full-text available
In this paper, a wind speed sensorless control method for doubly-fed induction generator (DFIG) control in wind energy systems is proposed. This method is based on using opposition-based learning (OBL) in optimizing the parameters of the support vector regression (SVR) algorithm. These parameters are tuned by applying particle swarm optimization (P...
Article
Full-text available
There is a growing interest to increase the grid integration of large-scale wind power farms (WPF). As most WPFs are located in remote areas where abundant wind resources are available, these sites are lacking communication infrastructures and network coverage which present major obstacles in enabling reliable data transmission between WPFs and the...
Article
Full-text available
There is a growing interest to increase the grid integration of large-scale wind power farms (WPF). As most WPFs are located in remote areas where abundant wind resources are available, these sites are lacking communication infrastructures and network coverage which present major obstacles in enabling reliable data transmission between WPFs and the...
Article
Adaptive particle swarm optimization Global peak Maximum power point tracker Partial shading conditions A B S T R A C T The P-V characteristics of PV array has one peak under uniformly distributed irradiances. Whereas, there are many peaks in the P-V curve when the irradiance is not uniformly distributed over the PV array which is called "partial s...
Article
Full-text available
This paper presents an improved control strategy for a doubly fed induction generator (DFIG) during unbalanced grid voltage conditions. The proposed strategy was applied in both synchronization and grid connected conditions. The synchronization process is carried by controlling the extracted positive and negative sequence components of the stator q...
Article
The paper presents a modified Active Frequency Drift (AFD) algorithm to detect the islanding of grid-connected photovoltaic (PV) systems with low harmonics level without degrading its power-factor. Severe issues such as deterioration in power quality and electric shock can occur when a PV inverter operates in islanding mode. Various islanding detec...
Book
Full-text available
Wind energy became one of the fast growing technologies in the field of electric energy generation. Generating electric power from wind energy system became mature technology and its cost combats the cost of generating electric energy from conventional energy sources. The cost of generated power from wind energy systems can be reduced by improving...
Article
Full-text available
Partial shading of PV systems generates many peaks in the P–V curve. These peaks have one global peak (GP), the remaining being local peaks (LPs). Metaheuristic techniques such as PSO have proven superiority in capturing the GP and avoiding entrapment in an LP in comparison to conventional techniques. In case of partial shading conditions (PSC), th...
Article
Full-text available
The penetration of renewable distributed generations (RDGs) into traditional distribution systems (TDSs) remedies many of its deficiencies and shortcomings. Also, it provides mutual technical, economic and environmental benefits for both electricity companies and their customers as well. With a 25% load increase for the standard IEEE 30-bus system,...