Feras AlasaliHashemite University | HU · Department of Electrical Engineering
Feras Alasali
Associate Professor - Electrical and Electronic Engineering
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69
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Publications
Publications (69)
Power protection systems play a critical role in ensuring the safe and reliable operation of modern power grids. With the increasing complexity of grid topologies and the integration of Distributed Energy Resources (DERs), traditional protection schemes face challenges in maintaining effective coordination among relay systems. This paper presents a...
The increasing use of inverter-based distributed generation requires a comprehensive study of its effects on fault analysis and the effectiveness of protection systems in distribution networks. This study examines the impact of different inverter control modes on multiple types of protective relay schemes. These include different overcurrent relay...
Microgrid protection and ground fault management are critical aspects of modern power distribution systems, especially with the increasing integration of Distributed Generators (DGs) such as renewable energy sources. Effective protection schemes are essential to ensure the reliability, safety, and resilience of microgrids under various fault condit...
The integration of distributed generation (DG) based on inverters into power systems has increased significantly, necessitating a thorough understanding of its impact on fault analysis and the performance of distribution networks' protection mechanisms. This study addresses this issue by examining how various inverter management modes influence pro...
Hardware-in-the-loop Dynamic testing A B S T R A C T In microgrid environments, the behaviour of Distributed Generation (DG) during fault conditions varies significantly based on DG types and penetration levels. Conventional Overcurrent Relays (OCRs) with standard time-current characteristics may exhibit limitations during excessive fault scenarios...
Power protection systems play a critical role in ensuring the safe and reliable operation of modern power grids.
With the increasing complexity of grid topologies and the integration of Distributed Energy Resources (DERs),
traditional protection schemes face challenges in maintaining effective coordination among relay systems. This
paper presents a...
The increasing penetration of distribution generators (DGs), such as PV systems, has led to a significant power protection concern for optimal overcurrent coordination. However, existing literature indicates that the traditional phase over current relay (OCR) scheme faces challenges such as instability, insensitivity, and lack of selectivity when h...
Libya is facing a serious challenge in its sustainable development because of its complete dependence on traditional fuels in meeting its growing energy demand. On the other hand, more intensive energy utilization accommodating multiple energy resources, including renewables, has gained considerable attention. This article is motivated by the obvio...
The rapidly growing global need for environmentally friendly energy solutions has inspired extensive research and development efforts aimed at harnessing the potential of hydrogen energy. Hydrogen, with its diverse applications and relatively straightforward acquisition, is viewed as a promising energy carrier capable of tackling pressing issues, s...
Recently, smart grids introduce significant challenges to power system protection due to the high integration with distributed energy resources (DERs) and communication systems. To effectively manage the impact of DERs on power networks, researchers are actively formulating adaptive protection strategies, requiring robust communication schemes. How...
Dieses Buch beschreibt die stochastische und prädiktive Kontrollmodellierung elektrischer Systeme, die die Herausforderung der Vorhersage des Energiebedarfs unter volatilen Bedingungen bewältigen kann.
Es wird erwartet, dass das globale Stromnetz mit bedeutenden Energie- und Umweltherausforderungen konfrontiert wird, wie z. B. Treibhausgasemission...
Um die Klimakrise zu bewältigen, haben Regierungen auf der ganzen Welt zugestimmt, globale Kohlenstoffreduktionsziele von 50 % im Vergleich zum Niveau der 1990er Jahre festzulegen.
The advancement of sustainable energy sources necessitates the development of robust forecasting tools for efficient energy management. A prominent player in this domain, solar power, heavily relies on accurate energy yield predictions to optimize production, minimize costs, and maintain grid stability. This paper explores an innovative application...
In recent years, the integration of Distributed Energy Resources (DERs) and communication networks has presented significant challenges to power system control and protection, primarily as a result of the emergence of smart grids and cyber threats. As the use of grid-connected solar Photovoltaic (PV) systems continues to increase with the use of in...
Integration of distributed generation systems and diversity of microgrid operations led to a change in the structure of the power system. Due to this conversion, new challenges have arisen when employing traditional overcurrent protection schemes. As a consequence, non‐classical protection schemes have attracted significant attention in the last fe...
Emerging technologies are continually redefining the paradigms of smart farming and opening up avenues for more precise and informed farming practices. A tiny machine learning (TinyML)‐based framework is proposed for unmanned aerial vehicle (UAV)‐assisted smart farming applications. The practical deployment of such a framework on the UAV and bespok...
Nowadays, the capacity of Distributed Generation (DG) in the power network is increasing, which increases the
challenges and complexity of having a fast and reliable power protection system. Several studies on microgrid
protection have been conducted, including advances in overcurrent relays (OCRs) and dual-setting protection
schemes. However, ther...
Microgrid protection schemes play a vital role in ensuring the reliability and efficiency of power distribution in urban and rural areas, especially as renewable distributed energy resources are increasingly integrated. This paper aims to provide a comprehensive analysis of existing microgrid protection schemes, discussing their advantages and limi...
The high penetration of distribution generators (DGs), such as photovoltaic (PV), has made optimal overcurrent coordination a major concern for power protection. In the literature, the conventional single or multi‐objective function (OF) for phase overcurrent relays (OCRs) scheme faces challenges in terms of stability, sensitivity, and selectivity...
In this paper, estimating real and reactive power measurements provided in smart grids through wireless sensor networks is considered. The communication channel is assumed to suffer from additive white Gaussian noise (AWGN). k-means clustering is used to learn the underlying structure of the collected power measurements. Then, nearest-neighbour met...
Citation: Tawalbeh, R.; Alasali, F.; Ghanem, Z.; Alghazzawi, M.; Abu-Raideh, A.; Holderbaum, W. Innovative Characterization and Comparative Analysis of Water Level Sensors for Enhanced Early Detection and Warning of Floods. J. Low Power Electron. Appl. 2023, 13, 26. https:// Abstract: In considering projections that flooding will increase in the fu...
The energy market in Libya is expected to face substantial changes in the next few years: electrical energy consumption will increase by 50% within the next 4 years. Therefore, there is a plan to gradually increase renewable energy sources in the power network by 2030 to 30%. Solar photovoltaic (PV) plants will play a significant role in the energy...
Due to the high penetration of renewable energy sources into the electrical power network,
overcurrent relays coordination with highly sensitive and selective protection systems are now
two of the most important power protection concerns. In this research, an optimal coordination
strategy utilising a new hybrid tripping scheme based on current–volt...
This chapter introduce different control methods from the basic and common methods such as PID controllers to stochastic optimization control methods.
This chapter demonstrates how to implement the different type of optimal controllers for low voltage distribution network applications. It will also show how to utilise the load forecasts and how they effect the performance of the control. The examples illustrated here will extend those in this chapter, integrating the forecasts generated in that s...
As storing electricity is expensive, it is better to be consumed when produced. Thus to make all the stakeholders such as producers, distributors, utility companies, and end-user in a profitable state, it becomes imperative to estimate energy consumption patterns well in advance. There are many forecasting strategies for load prediction, such as sh...
This chapter aims to introduce how to implement short term (day-ahead) forecasts model for a electrical demand application. In this chapter, the electrical demand data of rubber-tyred gantry (RTG) cranes at sea ports has been used to demonstrate the case study. The RTG demand has two mainly correlated to the container weight and number of moves of...
This chapterModel predictive control contains advanced control strategies based on receding horizon technique called model predictive control. It is recommended to have first read Sect. 4.3 before reading this chapter, and if considering the stochastic model predictive control in Sect. 5.3 then the stochastic optimal control Sect. 4.5 is also recom...
Due to the high penetration of renewable energy sources in the electrical power network, tripping time and ideal
overcurrent coordination are currently among the key power system protection problems. In this paper, a new
adaptive and optimal coordination approach for the Over Current Relays (OCRs) in a power network coupled to a
Photovoltaic System...
Nowadays, the Overcurrent (OC) and Earth Fault (EF) relays coordination problem is one of the most complex and challenging concerns of power protection and network operators due to the high and volatile generation capacity of renewable energy sources in the grid. In this article, a new and dynamic optimal coordination scheme based on a novel hybrid...
The coordination of optimal overcurrent relays (OCRs) for modern power networks is nowadays one of the critical concerns due to the increase in the use of renewable energy sources. Modern grids connected to inverter-based distributed generations (IDGs) and synchronous distributed generations (SDGs) have a direct impact on fault currents and locatio...
Renewable energy systems such as Photovoltaic (PV) have become one of the best options for supplying electricity at the distribution network level. This is mainly because the PV system is sustainable, environmentally friendly, and is a low-cost form of energy. The intermittent and unpredictable nature of renewable energy sources which leads to a mi...
Recently, interest in DC networks and converters has increased due to the high number of applications in renewable energy systems. Consequently, the importance of improving the efficiency of the hybrid converters has been highlighted. An optimal control strategy is a significant solution to handle the challenges of controlling the hybrid interleave...
Nowadays, AC distributed power networks are facing many challenges in guaranteeing and improving the required level of power quality indices in power networks with increasing non-linear, time-variable and unbalanced loads. Power networks can benefit from avoiding and minimizing different AC problems, such as frequency fluctuation and Total Harmonic...
The incorporation of renewable energy microgrids brings along several new protection coordination challenges due to the new and stochastic behaviour of power flow and fault currents distribution. An optimal coordination scheme is a potential solution to develop an efficient protection system to handle the microgrid protection challenges. In this pa...
Microgrids are increasingly paying attention to the emerging of distributed energy resources. However, microgrid
protection has challenged engineers because of the varying nature of fault current distribution during grid connected
and islanded operations. This paper suggests a novel approach of coordination between phase and
earth fault overcurrent...
The interconnection between diverse Distribution Generations (DGs) that utilize various technologies and complex structure of networks are the most characteristic of modern Distribution Networks (DN). The wide adoption of DGs considerably affects the power flow dynamics in the DN and consequently the fault characteristics. The excessive level of fa...
The interconnection between diverse Distribution Generations (DGs) that utilize various technologies and complex structure of networks are the most characteristic of modern Distribution Networks (DN). The wide adoption of DGs considerably affects the power flow dynamics in the DN and consequently the fault characteristics. The excessive level of fa...
An optimal power management solution is a potential tool to produce cost‐effective and environmentally friendly power supply using renewable energy sources (RESs) for the electrical power network. Therefore, the article introduces a novel optimization algorithm inspired by the vitality, namely, Manta Ray Foraging Optimization (MRFO), to figure out...
Flexible AC transmission systems (FACTS) and optimal power-flow (OPF) solutions play an important role in solving power operation problems. The volatile nature of the power generation profiles from renewable energy sources, solar and wind systems, and determining the optimal locations and sizes of FACTS devices increase the complexity of the OPF pr...
Remote monitoring sensor systems play a significant role in the evaluation and minimization of natural disasters and risk. This article presents a sustainable and real-time early warning system of sensors employed in flash flood prediction by using a rolling forecast model based on Artificial Neural Network (ANN) and Golden Ratio Optimization (GROM...
Tripping time and optimal overcurrent coordination are nowadays one of the main power system protection concern, due to the high penetration of renewable energy sources in the electrical power network. In this article, optimal coordination scheme has been developed using nonstandard tripping characteristics for the Over Current Relays (OCRs) in a p...
More and more households are using renewable energy sources, and this will continue as the world moves towards a clean energy future and new patterns in demands for electricity. This creates significant novel challenges for Distribution Network Operators (DNOs) such as volatile net demand behavior and predicting Low Voltage (LV) demand. There is a...
The current COVID-19 pandemic and the preventive measures taken to contain the spread of the disease have drastically changed the patterns of our behavior. The pandemic and movement restrictions have significant influences on the behavior of the environment and energy profiles. In 2020, the reliability of the power system became critical under lock...
This paper presents designing and analysis of
microstrip patch antenna at 900 MHz frequency for aviation
applications. Comparative analysis is presented on the basis of
geometry of patch of antenna, rectangular, circular and triangular.
Patch is used to compare the results. Inset feed is used due to which
proposed antenna achieves size reduction. A...
An optimal operation system is a potential solution to increase the energy efficiency of a power network equipped with stochastic Renewable Energy Sources (RES). In this article, an Optimal Power Flow (OPF) problem has been formulated as a single and multi-objective problems for a conventional power generation and renewable sources connected to a p...
This paper aims to present the significance of predicting stochastic loads to improve the performance of a low voltage (LV) network with an energy storage system (ESS) by employing several optimal energy controllers. Considering the highly stochastic behaviour that rubber tyre gantry (RTG) cranes demand, this study develops and compares optimal ene...
In this research, there are two major objectives have been investigated for a Rubber Tyred Gantry (RTG) crane system: energy consumption reduction and decrease the stress on the primary source. These objectives can be met by using an advance control system that reads the status of the crane and outputs a power reference value which is fed to the st...
The global consumerism trend and the increase in worldwide population is increasing the need to improve the efficiency of marine container transportation. The high operating costs, pollution and noise of the diesel yard equipment is leading sea ports to move towards replacing diesel RTG cranes with electric Rubber Tyre Gantry (RTG) cranes which off...
In low voltage networks, Energy Storage Systems (ESSs) play a significant role in increasing energy cost savings, peak reduction and energy efficiency whilst reinforcing the electrical network infrastructure. This paper presents a stochastic optimal management system based on a Genetic Algorithm (GA) for the control of an ESS equipped with a networ...
An Energy Storage System (ESS) is a potential solution to increase the energy efficiency of low voltage distribution networks whilst reinforcing the power system. In this article, energy management systems have been developed for the control of an ESS connected to a network of electrified Rubber Tyre Gantry (RTG) cranes. Considering the highly vola...
Given the increase in international trading and the significant energy and environmental challenges in ports around the world, there is a need for a greater understanding of the energy demand behaviour at ports. The move towards electrified rubber-tyred gantry (RTG)cranes is expected to reduce gas emissions and increase energy savings compared to d...
This article presents a study of optimal control strategies for an energy storage system connected to a network of electrified Rubber Tyre Gantry (RTG) cranes. The study aims to design optimal control strategies for the power flows associated with the energy storage device, considering the highly volatile nature of RTG crane demand and difficulties...
Abstract— The increasing numbers of international trading ports around the world are facing significant energy and environmental challenges such as rising energy consumption and greenhouse emissions. To understand the energy demand behaviour of ports or cranes, several simulation studies have been carried out using data from the Port of Felixstowe...
Ports around the world are facing significant challenges with rising energy consumption and greenhouse gases due to increasing quantity of international trade. To reduce the environmental effects of emissions and substation peak demand problems in ports, a number of simulation studies have been carried out using data from Port of Felixstowe. The ai...