M. M. Samy

• Phd
• Professor (Full) at Beni-Suef University

This paper deals with the mitigation of electric fields under extra high voltage transmission lines using active and passive shield wires. Two extra high voltage alternating current transmission lines are modeled and analyzed. One line is operating at 220 kV and the other is at 500 kV. The electric field is calculated at one meter above the ground...

In an era where sustainable energy solutions are critical, this research work presents and introduces the optimal design of a hybrid renewable energy system (HRES) for a small hotel by integrating solar power, battery storage, and grid interactions. MATLAB was used for the simulations, and the Arctic Puffin optimization (APO) algorithm was employed...

This study presents the optimization of Proportional Integral Derivative (PID) controller parameters for automatic voltage regulators (AVR) in power systems using the Spider Wasp Optimizer (SWO) algorithm. The SWO, known for its fast convergence and reliable performance, was employed to tackle challenges in determining the optimal PID values. Guide...

The expansion of domestic regions and the energy sector has significantly increased the global demand for electrical utilities sector. One impactive approach to address this is transfering present high voltage alternating current (HVAC) to high voltage direct current (HVDC) transmission networks to enhance transmission capacity. In Egypt, a single...

The aim of this study is to evaluate the optimum combination of stand-alone hybrid renewable energy systems to match the load demand in a maintainable and cost-effective way. (HOMER) program has been analyzed for three Egyptian key highways. The configuration of the project has been equated and investigated based on the performance of their technic...

This research investigates the techno-economic design optimization of an independent integrated renewable power system integrated with a Reverse Osmosis (RO) desalination plant situated in Alamein, Egypt. The introduced system incorporates photovoltaic, wind turbines (WT), batteries, a power converter, and a upholding diesel generator. HOMER softwa...

This study investigates the optimization of a grid-connected hybrid energy system integrating photovoltaic (PV) and wind turbine (WT) components alongside battery and supercapacitor storage. The research addresses the critical need for efficient energy storage solutions in renewable energy integration. Six optimization algorithms—AGTO, ARO, BOA, CG...

This study optimizes and evaluates a Photovoltaic-Wind-Battery/Electric Vehicle Charging Station (PVWB/ EVCS) system using four Multi-Objective Optimization (MOO) techniques: MOPSO, NSGAII, NSGAIII, and MOEA/D. The main goals are to minimize the Total Net Present Cost (TNPC) and Loss of Power Supply Probability (LPSP) of the system, which are cruci...

This paper is aimed at proposing a calculation model for the ground resistance of a grounding scheme servicing a high-voltage direct-current converter station. The method is based on the equivalence of current conduction and electric field from the grounding scheme through the surrounding medium. The grounding scheme is composed of three concentric...

As the world faces increasingly urgent environmental challenges, fuel cell hybrid electric vehicles powered by fuel cells, Maxwell supercapacitors, and Li-ion batteries have been considered a promising solution and likely candidate to replace internal combustion engine vehicles to save fossil fuels and reduce greenhouse gas emissions. Two of the bi...

Responding to the global call for sustainable renewable energy sources amidst growing energy demands, exhaustion of fossil fuels, and increasing greenhouse gas emissions, this study introduces a multi-objective optimization of an islanded green energy system. The focus is on the implementation of a sophisticated hybrid metaheuristic approach in a H...

Under the banner of sustainable transportation, fuel cell hybrid electric vehicles (FC-HEVs) have become a matter of fascination in today's ever-growing need to save fossil fuels and reduce greenhouse gas emissions, addressing the 3Es challenges (efficiency, economy, and environment). However, one of the most pressing issues at the moment is determ...

In light of the energy and environment issues, fuel cell vehicles have many advantages, including high efficiency, low-temperature operation, and zero greenhouse gas emissions, making them an excellent choice for urban environments where air pollution is a significant problem. The dynamics of fuel cells, on the other hand, are relatively slow, owin...

This study presents a multi-objective optimization approach for designing hybrid renewable energy systems for electric vehicle (EV) charging stations that considers both economic and reliability factors as well as seasonal variations in energy production and consumption. Four algorithms, MOPSO, NSGA-II, NSGA-III, and MOEA/D, were evaluated in terms...

The main goal of this work is to mitigate the cost of modified EHV line of the Egyptian transmission network. The existing HVAC line is replaced by four configurations, the first one is double circuit operating with an AC potential and bipolar DC circuit of ±500 kV while the second one is a double circuit operating with 500 kV AC circuit and ±500 k...

When it comes to dealing with power outages, hybrid grid-connected systems seem like a promising option, especially for underdeveloped nations. For supplying power during periods of unpredictability, a PV/battery system connected to the grid is considered in this study. Batteries were used as a backup system to compensate for main grid outages in t...

Inadequate access and unstable grid service are among the most severe difficulties developing communities face. As a result, these communities depend on fossil fuel-based technology to supply their electrical demands, which has significant socioeconomic consequences for society. The objective of this paper was to investigate greener, more sustainab...

The need for energy is constantly increasing worldwide. It is expected that renewable energy resources and fuel cells, solid wastes, and hydrogen energy technologies will play a significant role in energy generation and storage with their decreasing installation costs and increasing environmental concerns. Hydrogen is a potential fuel used in fuel...

This study attempts to establish a novel statistical and ANN-based decision-making mechanism for appraising hybrid system optimization strategies. An operational strategy and optimization problem for a hybrid, off-grid PV-wind system based on Nickel Iron battery storage is established in this paper, and an objective function for the system under co...

The use of renewable energy resources in the production of electrical energy is becoming prevalent due to the decreasing installation costs of these resources and increasing environmental concerns. A Hybrid Renewable Energy System (HRES) is beneficial for meeting load demands, but optimal sizing is the main problem in the process of obtaining a cos...

Energy Storage Systems (ESS) are one alternative for increasing the reliability of renewable energy systems while also reducing the imbalance between energy consumption and generation levels. Hybridizing renewable energy systems with ESS is one way to achieve these goals. After doing this study, we hope to be able to offer some guidance on how to s...

The major goal of this research manuscript is to conduct economical and feasibility studies of an island photovoltaic/fuel cell (PV/FC) hybrid system. It has been designed to feed electricity to a remote area positioned in albaha zone in Kingdom of Saudi Arabia. To achieve this mission, all system devices are modelled and simulated via optimization...

Developing countries' energy sector faces a multitude of challenges, ranging from inadequate generation to unstable grids. Power outages are among the most common issues, particularly in remote areas. Utilizing grid-tied green energy resources to address this issue and to cover for power outages from local grids. This paper presents a cost-effectiv...

This paper introduces voltage self-regulation of a variable speed single-phase induction generator-based wind energy conversion system (WECS) for stand-alone applications. The idea behind the voltage self-regulation technique proposed in this paper is adjusting the fixed capacitor’s effective value for excit-ing the single-phase induction generator...

This paper presents a methodology for optimal design of diesel/PV/wind/battery hybrid renewable energy system (HRES) for the electrification of residential buildings in rural areas. Contrary to previous work, in this study, the effects of climate diversity and building energy efficiency on the size optimization of HRES are investigated. First, a mu...

The objective of this treatise is to provide a detailed feasibility analysis of the hybrid renewable energy system (HRES) to supply sufficient energy to an autonomous college's building et al. Baha University in the Kingdom of Saudi Arabia (KSA). The feasibility analysis presents technical and economic guises for the HRES which includes integrated...

The main objective of this paper is to determine the optimal sizing of a biomass and fuel cell micro‐grid. The biomass generator will be utilized as the main source of power generation for the study area, while the fuel cell generator will be used as a backup generator to be used if the biomass generator fails to meet the energy requirements of the...

This study addresses the problem of power outages in distant districts by taking advantage of the available renewable energy resources in the surrounding environment. This was done by proposing connecting the utility to a hybrid system constituting from photovoltaic (PV), wind turbine (WT), and fuel cell (FC) systems where this hybrid system is con...

A technical-economic investigation based on mathematical modeling, simulation, and optimization approach is employed in this research to assemble an island combined renewable energy systems (CRES) consists of solar PV/Wind/Fuel Cell (FC) of a small-scale countryside area in Egypt. The intent of the proposed island CRES is to boost the share of rene...

The world's attention is now focused on the growing need to diversify energy sources. Saudi Arabia has the natural stress to take the trait of the huge opportunities in the renewable energy sector. The purpose of this study is to analyze the utilization of the solar, wind and biomass energy in a standalone hybrid power generation system for pastora...

This research work crucially deals with a techno-economic feasibility study for off-grid solar photovoltaic fuel cell (PV/FC) hybrid systems. The hybrid renewable energy system is investigated for feeding electric to remote areas and isolated urban regions in Egypt. To achieve this goal, all the system equipment are modeled, simulated and the area...

This paper is aiming to conduct a techno-economic study of a hybrid PV-Biomass micro-grid, which has been designed to offer electricity to a remote apple farm located in KSA. To accomplish this goal, all the system components are modeled, and an objective function is formulated based on the Total Annual Cost. We employed two optimization techniques...

The primary objective of the proposed paper is to conduct a techno-economic study of an off-grid PV/Biomass hybrid system. We employed various optimization techniques. This included the Flower Pollination Algorithm (FPA), the Harmony Search (HS) algorithm, the Artificial Bee Colony (ABC) Algorithm and the Firefly Algorithm (FA). The ultimate object...

The aim of this paper is to compute the electric fields of parallel high and extra high voltage transmission lines in Egyptian power network. Three parallel high and extra high voltage transmission lines are analysed and simulated. The first two lines are the same configurations with voltage of 220 kV, double circuit, two bundles. The third line is...

The aim of this paper is to calculate the electric fields produced by ultra-high voltage transmission lines. Two transmission lines of different configurations were modeled and simulated. The first line is an 800 kV, flat configuration, six bundles and single circuit in South Africa. The second line is 1100 kV, double circuit, eight bundles, in Jap...

The aim of this paper is to introduce a comparative study of calculating electric fields underneath six phase transmission lines and double circuit three phase transmission lines. Different configurations of six phase and three phase lines are presented. The first three phase line is operating at 138 kV, and the second one is at 220 kV while the fi...

Motivated by the new feed-in tariffs for electrical power projects generated from renewable energy resources, the present study is investigating the potential of on-grid hybrid solar/wind/Biomass power generation in Egypt. The arrangement is modeled and examined through the environmental and economic prospects. The optimization, sizing and economic...

The aim of this paper is to present a feasibility study of a grid connected photovoltaic (PV) and biomass Integrated renewable energy (IRE) system providing electricity to rural areas in the Beni Suef governorate, Egypt. The system load of the village is analyzed through the environmental and economic aspects. The model has been designed to provide...

The aim of this work is to calculate theelectric fields underneath ultra high voltage transmission lines. Three transmission lines of different cconfigurations are modeled and analyzed. The first line is an 800 kV, flat configuration, six bundles and single circuit in South Africa. The second line is a delta configuration, 1050 kV, eight bundles, a...

This paper is aimed at reducing the electric fields underneath extra high voltage direct current transmission lines using grounded shield wires. Two extra high voltage direct current transmission lines are modeled and analyzed. One line is homopolar and the other is bipolar, both are operating at 400 kV. The electric field calculated at the ground...

This paper is aimed at reporting experimental measurements and calculations of how the magnetic field underneath overhead transmission lines is mitigated using passive and active shield wires. The magnetic field values were compared to those calculated using the current simulation technique (CST). A laboratory transmission line model representing t...

Nowadays extra high voltage alternating current (EHVAC) transmission lines are widely used for transmission of electrical energy. Consequently, the possible effects of electric fields underneath these lines received an increasing interest in research studies, e.g. electric field induction and short circuit currents through conducting objects (paral...

This paper is aimed at reducing the electric fields underneath extra high voltage direct current transmission lines using grounded shield wires. Two extra high voltage direct current transmission lines are modeled and analyzed. One line is homopolar and the other is bipolar, both are operating at 400 kV. The electric field calculated at the ground...