Abdelfatah Ali

Abdelfatah Ali
South Valley University · Department of Electrical Engineering

PhD

About

93
Publications
36,317
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1,432
Citations
Introduction
Abdelfatah Ali received the B.Sc. and M.Sc. degrees in electrical engineering from Aswan University, Aswan, Egypt, in 2009 and 2013, respectively. In 2020, he received the Ph.D. degree from Budapest University of Technology and Economics, Budapest, Hungary. Since 2010, he has been an Assistant Lecturer with the Faculty of Engineering, South Valley University (SVU), Qena, Egypt. Currently, he works as an Assistant Professor with SVU. His research interests include RES and EVs
Additional affiliations
February 2020 - present
South Valley University
Position
  • Professor (Assistant)

Publications

Publications (93)
Article
Recently, exploring environmentally friendly and cost-effective energy use is considered globally a vital aspect of concerns dealing with energy security and environmental quality. Therefore, for accomplishing the reliability, flexibility, and efficiency aspects in the multiple power systems, the energy hub (EH) is utilized for transmitting, exchan...
Conference Paper
Optimizing reactive power dispatch (ORPD) in power flow networks is crucial for maintaining system reliability, as reactive power supports network voltage, which must be kept within acceptable ranges. While optimal reactive and active power dispatch in networks composed solely of traditional thermal energy sources has been extensively studied, the...
Article
Full-text available
Considering the significant investment in solar generation systems to improve the efficiency, numerous advanced and computation-based maximum power point tracking (MPPT) algorithms have been developed to achieve optimal convergence time, rapid steady-state and dynamic response, and enhanced tracking efficiency. This paper proposes a novel robust se...
Article
Full-text available
This paper proposes a novel approach for the optimal allocation of a depot for electric buses (EBs) charging in a specific transit service, considering the impact on the power system. The main objective is to minimize the total cost, achieved by minimizing the cost of the new cables connecting the depot station to the distribution system and the up...
Article
Single-stage inverters, such as the proposed differentially structured flyback inverter (DSFI) offer many features including reduced component count, voltage step-up/down capability, minimized cost and footprint, as well as high power density operation. Differential-type inverters comprises three DC-DC converters that are linked in-parallel at the...
Article
Full-text available
The energy management (EM) solution of the multi-microgrids (MMGs) is a crucial task to provide more flexibility, reliability, and economic benefits. However, the energy management (EM) of the MMGs became a complex and strenuous task with high penetration of renewable energy resources due to the stochastic nature of these resources along with the l...
Article
Full-text available
As water and electrical networks cannot be entirely independent, a more integrated approach, the water–energy nexus (WEN), is developed. A WEN is the basis of a smart city where water and electrical networks are interconnected and integrated by implementing efficient management strategies. Accordingly, this study develops a dynamic co-optimization...
Conference Paper
Full-text available
As the global energy landscape shifts towards sustainability, the integration of renewable energy sources (RES) into existing power systems becomes imperative. Hosting capacity, defined as the maximum amount of renewable energy that can be accommodated without compromising system reliability, emerges as a critical parameter for effective integratio...
Conference Paper
Full-text available
This paper introduces the Semi-Z-Source Inverter (SZSI) in conjunction with Photovoltaic (PV) technology due to its advantages over the traditional single-phase Voltage Source Inverter (VSI). Unlike the single-phase inverter, the SZSI utilizes only two switches instead of four, offering a more streamlined design. Additionally, the SZSI maintains a...
Article
Global interest in maximizing the hosting capacity (HC) of renewable energy sources (RES) while avoiding high energy curtailment has lately grown in smart grids (SGs). This trend has been associated with the empowerment of hydrogen systems (HS) and demand response (DR). In this regard, this article proposes a new approach to optimally synergize HS...
Article
Full-text available
Along with the various features for implementing the Hybrid AC/DC Microgrid (HMG), this article proposes an approach for optimal allocation of multiple capacitors which are investigated in a proposed modeling based on the IEEE 14-bus distribution system. The power quality of the HMG has been investigated during the urgent intermittent of Distribute...
Article
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Electric vehicles (EVs) are becoming more popular worldwide due to environmental concerns, fuel security, and price volatility. The performance of EVs relies on the energy stored in their batteries, which can be charged using either AC (slow) or DC (fast) chargers. Additionally, EVs can also be used as mobile power storage devices using vehicle-to-...
Article
Full-text available
Power demand varies on a daily and seasonal basis. Responding to changing demands over time is challenging for energy suppliers as it causes expensive power plants to operate in high-demand seasons, usually summer, increasing the cost of electricity. Peak load shaving makes the load curve flatten by reducing the peak load and shifting it to times o...
Article
Full-text available
The wide spread of distributed energy resources (DERs) enabled the transformation of the passive consumer to an active prosumer. One of the promising approaches for optimal management of DERs and maximizing benefits for the community and prosumers is community energy trading (CET). CET gives the prosumers the flexibility and freedom to trade electr...
Article
Full-text available
The concept of interconnected Multi-Micro Grids (MMGs) is proposed as a promising solution for the improvement of the operation, control, and economic performance of the distribution networks. The energy management of the MMGs is a strenuous and challenging task, especially with the integration of renewable energy resources (RERs) and variation of...
Article
Worldwide, transportation electrification and photovoltaics (PVs) have become vital components of modern and future planning problems. Therefore, the large-scale deployment of electric vehicles (EVs) requires reliable fast-charging stations (FCSs). However, random allocation of FCSs and PV adversely impacts the performance and operation of the traf...
Article
Full-text available
Recently, with the large-scale integration of renewable energy sources into microgrid (μGs) power electronics, distributed energy systems have gained popularity. However, low inertia reduces system frequency stability and anti-disturbance capabilities, exposing power quality to intermittency and uncertainty in photovoltaics or wind turbines. To ens...
Research Proposal
The goal of this Research Topic is to provide a comprehensive overview of the current state of the art in smart coordination strategies for the integration of RES and EST into power systems. We aim to discuss the latest research and developments in these strategies, as well as identify the key challenges and opportunities for improving their effect...
Article
Full-text available
Energy hubs (EHs) have become essential to facilitate the coupling of the various energy carriers in smart microgrids characterized by high penetration levels of various renewable energy sources (RES), such as photovoltaics and wind power. Optimal operation and coordination of these microgrid resources are crucial for satisfying electrical and ther...
Article
Full-text available
Distribution system planners and operators have increasingly exposed great attention to maximizing the penetration of renewable energy resources (RERs), and electric vehicles (EVs) toward modern microgrids. Accordingly, intensive operational and economic problems are expected in such microgrids. Specifically, the operators need to meet the increase...
Article
Energy hubs (EHs) are progressively being implemented in microgrids for local generation, transfer, and storage of various forms of energy. However, issues have emerged around developing an operating schedule for the different energy resources incorporated in the EHs to ensure the operation at minimum possible costs and emissions. This paper propos...
Article
Full-text available
Renewable energy sources (RESs) and electric vehicle charging stations (EVCSs) have been extensively incorporated into distribution systems. Due to the stochastic nature of RES generation and electric vehicles (EVs), risky operational challenges might impact the grid. Therefore, this paper proposes a multi-objective planning framework to optimally...
Article
Full-text available
With countries moving toward renewable energy sources (RES), the need for dispatchability and storage solutions has become more prevalent. The uncertainty associated with wind turbine (WT) units and photovoltaic (PV) systems further complex a system with a high level of intermittency. This work addresses this problem by proposing an operational pla...
Article
Full-text available
Micro‐grids (MGs) are small parts of the electrical power system that work along with the electric system or autonomously based on environmental or economic conditions. The renewable‐based distributed generators (RDGs) and electric vehicle charging stations (EVCSs) are wildly incorporated in MGs. Optimal day‐ahead scheduling of the MG is ahead corn...
Research Proposal
Full-text available
Dear Colleagues, Recently, countries have been moving towards the massive integration of renewable energy sources (RES) due to their environmental-based role in carbon-free electricity supply. However, the high penetration of these sources and the intermittency and uncertainty associated with the output power of such energy sources have brought new...
Conference Paper
For many years, the constantly rising electricity demands have led to a growing concern. A reduction in power loss, as well as improvement of voltage profiles would be the consequence of optimizing both the location and size of capacitor banks (CBs) and distributed generation (DGs). This can be obtained as a result of the improvement in both voltag...
Article
Full-text available
This paper addresses the allocation of a hybrid system that includes PV‐DG and DSTATCOM. The planning problem considers the variations of load demand and solar irradiance under deterministic and probabilistic conditions. An efficient optimization algorithm called MPA is implemented to assign the optimal placement and ratings of the hybrid PV‐DG and...
Article
Full-text available
Lately, the integration of renewable energy sources (e.g., photovoltaic and wind generation systems) has been raised into microgrids interconnected with plug-in electric vehicles (PEVs). Such intermittent generation and charging/discharging PEV profiles are challenging to ensure the secure and optimal operation of microgrids. In this article, an op...
Article
Full-text available
Renewable energy sources have recently been integrated into microgrids that are in turn connected to electric vehicle (EV) charging stations. In this regard, the optimal planning of microgrids is challenging with such uncertain generation and stochastic charging/ discharging EV models. To achieve such ambitious goals, the best sites and sizes of ph...
Article
Full-text available
It is widely accepted that the integration of natural sources in distribution networks is becoming more attractive as they are sustainable and nonpolluting. This paper firstly proposes a modified Manta Ray Foraging Optimizer (MMRFO) to enhance the characteristic of MRFO technique. The modified MRFO technique is based on inserting the Simulated Anne...
Article
Full-text available
Worldwide, the hosting capacity of renewable energy sources (RES) is remarkably expanded in distribution systems. One of the most auspicious RES is wind turbine systems (WTSs), which can improve the performance of distribution systems. In turn, the integration of high WTS penetrations can also deviate the system operation away from the standard con...
Article
Full-text available
Optimal planning of integration the Photovoltage Distributed Generation (PV-DG) and DSTATCOM is a crucial task due to the stochastic variations of PV output power and the load demand which are related to solar irradiance variations and the activities of the customers, respectively. In this article, the optimal planning problem of the PV-DG and DSTA...
Article
Full-text available
Optimal inclusion of a photovoltaic system and wind energy resources in electrical grids is a strenuous task due to the continuous variation of their output powers and stochastic nature. Thus, it is mandatory to consider the variations of the Renewable energy resources (RERs) for efficient energy management in the electric system. The aim of the pa...
Article
The interest in maximizing the hosting capacity of photovoltaics is recently being enlarged globally. This paper proposes a novel stochastic approach for maximizing the hosting capacity of photovoltaics in distribution systems. The proposed approach is based on a coordinated management scheme of control devices in distribution systems, i.e. transfo...
Article
Worldwide, photovoltaic (PV) and electric vehicles (EVs) have intensively been integrated into distribution systems. As a result, different operational issues can be observed due to PV generation variability and EV stochastic characteristics. In this work, an optimal sizing approach of multiple PVs in the existence of EVs is proposed. The proposed...
Article
Full-text available
Integrating renewable energy resources (RERs) has become the head of concern of the modern power system to diminish the dependence of using conventional energy resources. However, intermittent, weather dependent, and stochastic natural are the main features of RESs which lead to increasing the uncertainty of the power system. This paper addresses t...
Conference Paper
Full-text available
This paper presents an optimisation-based method to tune the weighting factors of Model Predictive Control (MPC) for a three-phase Split Source Inverter (SSI). Particle Swarm Optimisation (PSO) algorithm is used to optimally solve the optimization model considering system constraints. This technique is a powerful method to get a good tracking respo...
Article
Full-text available
In an active distribution grid, renewable energy sources (RESs) such as photovoltaic (PV) and energy storage systems (e. g., superconducting magnetic energy storage (SMES)) can be combined with consumers to compose a microgrid (MG). The high penetration of PV causes high fluctuations of tie-line power flow and highly affects power system operations...
Article
Accommodating a high penetration of intermittent photovoltaic (PV) in distribution systems can potentially cause several operational problems, most importantly the voltage violations. An optimal probabilistic approach is proposed in this paper to optimally host high penetrations of PV units considering their stochastic nature. A benefit of the prop...
Article
Full-text available
Recently, the integration of inverter-based wind turbine generation systems (WTGS) and plug-in electric vehicles (PEV) has remarkably been expanded into distribution systems throughout the world. These distributed resources could have various technical benefits to the grid. However, they are also associated with potential operation problems due to...
Thesis
Recently, the use of renewable energy sources (RES) has been rapidly increased worldwide. The most notable RES are wind power and photovoltaic. These RES are often distributed according to load centers in distribution systems. These sources are described as intermittent sources in which their output power varies depending on weather conditions. The...
Article
Recently, the penetration of photovoltaic (PV) units and plug-in electric vehicles (PEVs) has been quickly increased worldwide. Due to the intermittent nature of PV and the stochastic nature of PEVs, several operation problems can be noticed in distribution systems, including excessive energy losses and voltage violations. In this paper, an optimiz...
Article
Recently, the use of renewable energy sources (RES) and electric vehicles (EVs) has been rapidly increased worldwide. As a result of the highly fluctuating nature of RES, the charging and discharging rates of EVs significantly have to be increased, and so the lifespan of EV batteries decreases. In this paper, an optimization-based method is propose...
Conference Paper
Full-text available
There is continuous and fast increase in electric vehicles (EVs) sales recently. These EVs are charged from the electric power system, usually at distribution networks which presents a challenge to distribution networks. This paper presents a study for mitigating the impacts of uncontrolled EV charging on low voltage (LV) distribution network suppl...
Conference Paper
Full-text available
The growing popularity of private vehicles’ electrification will have a negative impact on the electric power system, especially on the distribution networks, if electric vehicles (EVs) charging is not managed properly. In this paper, a new technique for smart charging of EVs is proposed and tested with simulation. A fuzzy logic controller is used...
Conference Paper
Full-text available
This paper presents a study of controlled charging of electric vehicles (EVs) using a fuzzy logic controller. The controller regulates the charging power according to the state of charge (SoC) of EV and the voltage at the point of connection of EV charger. The objective of the controller is to charge EVs while keeping the voltage of different distr...
Conference Paper
Full-text available
From the power grid perspective, the widespread of plug-in electric vehicles (PEVs) integration into the electric networks rises concerns regarding power system components overloading and power quality issues. However, PEVs would bring beneficial opportunities to the power system in the future. In order to alleviate the negative effects of PEVs, sm...
Article
Full-text available
The penetration of renewable energy sources (RES) has been increased throughout the world. The main characteristic of RESs is that their generating powers are intermittent and unpredictable. This paper presents an interval optimization method to optimally schedule electric vehicles (EV) with considering the uncertainty of RES generation and loads....
Conference Paper
Full-text available
As the penetration level of the photovoltaic (PV) system increases over the coming decades, reverse power flows on the distribution feeder will happen and the associated voltage rise might lead to violations of voltage limits. The severity of the voltage regulation problem depends on the relative size and location of PV system, loads, and the distr...
Conference Paper
Full-text available
The output power generation of photovoltaic (PV) has an intermittent nature due to cloud transients. Consequently, considerable fluctuations in the voltages are expected in distribution systems with high PV penetrations. In this paper, a method is proposed to mitigate voltage fluctuations due to PV by simultaneously optimizing the reactive power of...
Article
Full-text available
Electric Vehicles (EVs) showed environmental and efficiency advantages compared to gasoline vehicles. The number of EVs is expected to increase crucially in all over the world. These EVs can be charged from a large charging stations, street chargers, and private home chargers. This new load will have effects on the distribution grid, so utility com...
Conference Paper
Full-text available
It is expected that the number of electric vehicles will increase significantly worldwide. Although, this increase represents an environmental advantage. Charging of plug-in electric vehicles (PEVs) considers a challenge for the electric utilities. In this paper, the charging impact of PEVs on a benchmark low voltage (LV) grid has been studied. The...