Francisco Jurado

University of Jaén | UJAEN · Department of Electric Engineering

The deregulation of distribution systems enable local energy trading under the umbrella of local market strategies, which are launched and cleared by local entities like distribution system operators. The emergence of active players connected to distribution networks such as microgrids path the way to two-layer market structures, within which diffe...

Wind Energy Operation and Control: Issues, Solutions, and Future Developments provides deep insights into the critical issues of wind power generation and the integration of wind energy in electricity grids, offering an interdisciplinary approach that enables readers to overcome current barriers and to understand future opportunities. As part of th...

In rural areas of sub-Saharan countries, there is great potential for solar and biomass resources to achieve a reliable electricity supply, reduce the dependence on fossil fuels, and mitigate greenhouse gas emissions, thereby tackling energy poverty and promoting sustainable development. This work aims to address the lack of reliable electricity ac...

As the world increasingly embraces renewable energy as a sustainable power source, accurately assessing of solar energy potential becomes paramount. Photovoltaic (PV) systems, especially those integrated into urban rooftops, offer a promising solution to address the challenges posed by aging energy grids and rising fossil fuel prices. However, opti...

Local energy communities emerge as a valuable framework to optimally leverage local assets installed by prosumers. In this context, local markets launched within communities may boost the active participation of end-users, paving the way to improve the economy and energy efficiency of distribution systems. This paper proposes a new model for strate...

Future cities must play a vital role in reducing energy consumption and decarbonizing the electricity sector, thus evolving from passive structures towards more efficient smart cities. This transition can be facilitated by energy communities. This emerging paradigm consists of collectivizing a set of residential installations equipped with onsite r...

The deregulation of the electricity sector calls up for a more active participation of endusers and distributed energy resources. Distribution markets clear local marginal prices at distribution levels, guiding the consumption or flexible loads and providing bidding prices for distributed generators. This paper proposes a new distribution market mo...

Lithium-ion batteries (LIBs) are pivotal in a wide range of applications, including consumer electronics, electric vehicles, and stationary energy storage systems. The broader adoption of LIBs hinges on advancements in their safety, cost-effectiveness, cycle life, energy density, and rate capability. While traditional LIBs already benefit from comp...

PV/T water-based system using multi-row semi-circle baffles (SCB) is numerically investigated. Experimental validation was carried out in hot climate conditions. Factors associated with heat transfer enhancement, like Nusselt number, pressure drop, friction factor, electrical efficiency, and thermal efficiency, were calculated and discussed to show...

Green hydrogen production is a sustainable energy solution with great potential, offering advantages such as adaptability, storage capacity and ease of transport. However, there are challenges such as high energy consumption, production costs, demand and regulation, which hinder its large-scale adoption. This study explores the role of simulation m...

Nowadays, advanced metering and communication infrastructures make it possible to enable decentralized control and market schemes. In this context, prosumers can interact with their neighbors in an active manner, thus sharing resources. This practice, known as peer-to-peer (P2P), can be put into practice under cooperative or competitive premises. T...

Efficient reduction of power losses in modern systems can be achieved by selectively connecting tie lines and disconnecting radial branches in distribution networks with scattered energy generation sources. The influence of load power is pivotal in this optimization process. Consequently, it becomes crucial to accurately model the demand side, port...

Citation: Afia, S.E.; Cano, A.; Arévalo, P.; Jurado, F. Energy Sources and Battery Thermal Energy Management Technologies for Electrical Vehicles: A Technical Comprehensive Review. Energies 2024, 17, 5634. https:// Abstract: Electric vehicles are increasingly seen as a viable alternative to conventional combustion-engine vehicles, offering advantag...

In the rapidly evolving landscape of electrical power systems, optimal power flow (OPF) has become a key factor for efficient energy management, especially with the expanding integration of renewable energy sources (RESs) and Flexible AC Transmission System (FACTS) devices. These elements introduce significant challenges in managing OPF in power gr...

In this research, the design and simulation of a heat sink for photovoltaic panels were carried out using aluminum and copper, the most commonly used materials in heat dissipation systems. This heat sink consisted of fins that were tested both perforated and non-perforated to improve heat dissipation efficiency. This research stems from the need to...

Integrating a photovoltaic thermal system (PVT) with a solar thermal system (ST) allows for the simultaneous achievement of two outcomes: an increase in thermal and electrical efficiency. This work is an experimental study that combines PVT and ST systems together (PVTST) to show how well they work in various weather conditions on four different da...

The decarbonization of the mobility sector motivates to increase the penetration of battery and fuel-cell electric vehicles. The proliferation of these mobility modes will be accompanied by the massive installation of charging and refilling infrastructures into existing networks. This work focuses on fuel-cell vehicles, for which refilling points a...

Brazil's and Morocco's energy sectors face a persistent challenge in their heavy reliance on fossil fuel consumption. Brazil is a big consumer of liquefied natural gas (LNG), while Morocco is a big fossil fuel importer. This dependence not only entails substantial import costs for Morocco and high NG liquefaction and transportation expenses for Bra...

There is an overreliance of the energy sector of many developed and developing countries on fossil fuels to satisfy their growing energy needs. Paraguay and Morocco are noted to derive the greater share of their energy from fossil fuel imports. However, the high import bills and carbon emissions, as well as the depleting nature of fossil resources...

Integrating a photovoltaic thermal system (PVT) with a solar thermal system (ST) allows for the simultaneous achievement of two outcomes: an increase in thermal and electrical efficiency. This work is an experimental study that combines PVT and ST systems together (PVTST) to show how well they work in various weather conditions on four different da...

In a modern and globalized world, the advances in technology are rapid, especially in terms of energy generation through renewable sources, which is intended to mitigate global warming and reduce all the ravages that are currently occurring around the world. Photovoltaic and biomass generation sources are attractive for implementation due to the ab...

Rooftop photovoltaic (PV) power generation uncertainty is one of the prominent challenges in smart homes. Home Energy Management (HEM) systems are essential for appliance and Energy Storage System (ESS) scheduling in these homes, enabling efficient usage of the installed PV panels' power. In this context, effective solar power scenario generation i...

The decentralization of power systems and networks calls up for a more active participation of end users. In this context, new market and power trading models are arisen. Catalyzed by the evolution of communication infrastructures under the Smart Grid concept, new paradigms such as peer-to-peer (P2P) trading are becoming more common nowadays. This...

The issue of power quality (PQ) has become increasingly critical in modern power systems due to the growing integration of sensitive electronic devices, electric vehicles, and renewable energy sources. Among the various PQ concerns, harmonics have emerged as a significant contributor to the overheating of power system components. This overheating p...

Transitioning to low-carbon energy systems is crucial for sustainable development, particularly in oil-rich developing countries (ORDCs) that face intertwined economic and environmental challenges. This review uses the PRISMA methodology to systematically assess the current state and prospects of low-carbon thermal electricity generation and utiliz...

In the original publication [...]

The reconfiguration of distribution networks results in modifications to the voltage magnitudes of buses, subsequently influencing the power demands of connected loads. This variable load demand plays a pivotal role in determining the optimal system topology. While a few studies have recognized this crucial aspect, they often present non-linear mod...

Optimizing the reduction of power losses together with the investment and operational costs in electrical distribution systems via optimizing network reconfiguration (NR), placement of capacitor (CP), and distributed generation (DG) allocation simultaneously amidst uncertain fluctuating load conditions is considered an effective strategy. Meanwhile...

A new trend in the transportation sector globally can be observed in a shift away from gasoline-powered vehicles to Hydrogen-based fuel-cell electric vehicles (FCEVs), aimed at reducing harmful emissions. However, there are challenges in producing hydrogen for vehicle stations related to microgrid design and energy management under uncertain condit...

Towards Future Smart Power Systems with High Penetration of Renewables: Emerging Technologies, New Tools, and Case Studies explores the latest tools and approaches for smart power systems with high-scale integration of renewable energy, covering technology, optimization, control, forecasting, and market structures. The first section of the book on...

This review paper thoroughly explores the impact of artificial intelligence on the planning and operation of distributed energy systems in smart grids. With the rapid advancement of artificial intelligence techniques such as machine learning, optimization, and cognitive computing, new opportunities are emerging to enhance the efficiency and reliabi...

The integration of photovoltaic generation systems and variable demand can cause instability in the distribution network, due to power fluctuations and the increase in reactants, particularly in the industrial sector. In response, photovoltaic units have been equipped with local storage systems, which eventually absorb power fluctuations and improv...

To advance the field of lithium-ion battery (LIB) research, this paper unveils an accurate modelling of LIB that primarily relies on the equivalent circuit model, backed by the Osprey Optimization Algorithm (OOA). In the modelling stage, both single and double resistance-capacitance models are evaluated to depict the charge dynamics, incorporating...

Hydrogen is called to be one of the most important energy vectors in future energy systems. Nowadays, its use in the industry sector is prominent, finding multiple applications in fertilizer production or oil refining. In this sense, some industry sectors demand a considerable amount of hydrogen for their processes. In many cases, hydrogen must be...

Citation: Abdelkader, M.; Ahmed, E.M.; Mohamed, E.A.; Aly, M.; Alshahir, A.; Alrahili, Y.S.; Kamel, S.; Jurado, F.; Nasrat, L. Frequency Stabilization Based on a TFOID-Accelerated Fractional Controller for Intelligent Electrical Vehicles Integration in Low-Inertia Microgrid Systems. World Electr. Veh. J. 2024, 15, 346. https://doi.org/10.3390/ Abst...

Microgrids play a crucial role in modern energy systems by integrating diverse energy sources and enhancing grid resilience. This study addresses the optimization of microgrids through the deployment of high-efficiency converters, aiming to improve energy management and operational efficiency. This study explores the pivotal role of AC-DC and DC-DC...

The interest in incorporating environmentally friendly and renewable sources of energy, like photovoltaic (PV) technology, into electricity grids has grown significantly. These sources offer benefits, such as reduced power losses and improved voltage stability. To optimize these advantages, it is essential to determine optimal placement and managem...

The operational cost of distribution systems is significantly affected by the energy losses of the system. Distribution network losses are known to be higher than transmission system losses, constituting over 70% of all the losses that occur in the power system. For the achievement of loss minimization, operation cost mitigation, and generation exp...

Enhancing the efficiency of distribution systems can be effectively achieved through hybrid reconfiguration and the coordinated operation of distributed generators (DGs). This integrated approach proves to be highly effective in minimizing power losses within distribution networks, with a particular emphasis on the substantial impact of load power...

The integration of renewable energy sources into isolated microgrids introduces significant power fluctuations due to their intermittent nature. This study addresses the need for advanced power smoothing methods to enhance the stability of isolated networks. An innovative adaptive strategy is presented, combining photovoltaic solar generation with...

Load frequency control (LFC) plays a prominent role in electrical power grids. Its importance is evident in controlling the frequency as well as the tie-line power exchange. Recently, frequency deviations and tie-line power exchange have been enhanced when implementing renewable energy sources (RESs) and energy storage (ES) equipment in modern powe...

The integration of distributed generation, microgrids, and renewable energy sources has significantly enhanced the resilience of modern electrical grids. However, this transition presents challenges in control, stability, safety, and protection due to low fault currents from renewables. This paper addresses these challenges by proposing novel metho...

This research focuses on the development and simulation analysis of heat-dissipating fins made of copper, integrated into photovoltaic panels, with the aim of mitigating temperature increases during operation. This initiative arises from evidence that solar panels experience a reduction in energy efficiency when operating at temperatures higher tha...

Optimal power flow (OPF) problem solution is a crucial task for the operators and decision makers to assign the best setting of the system components to obtain the most economic, environmental, and technical suitable state. Artificial Hummingbird Algorithm is a recent optimization algorithm that has been applied to solving several optimization prob...

It is essential to improve optimal control for an autonomous microgrid operation. This paper presents a novel application of an artificial hummingbird algorithm for achieving optimal control of an autonomous microgrid. It also suggests a comparative analysis for the optimal super-twisting sliding mode control with both optimal fuzzy logic control a...

Nowadays, millions of people in remote areas do not enjoy an uninterrupted power supply due to the lack of connectivity to the main power grid. Under such circumstances, the only feasible way to access electricity is typically local power generation, often relying on diesel engine–generator sets or photovoltaic arrays. However, this configuration d...

The energy management (EM) solution of the microgrids (MGs) is a crucial task to attain most economic, reliable and sustainable operation state of the MGs. This paper aims to solve the optimal scheduling and stochastic EM problem of a smart MG without and with demand side response (DSR) including MT, FC, PV, WT, and a battery storage system (BSS)....

Incorporating renewable energy sources (RESs) introduces a notable amount of uncertainty in the optimal planning and operation of electrical power grids. Under these circumstances, this paper proposes the application of a recently introduced metaheuristic optimization technique to solve the stochastic optimal power flow (OPF) problem involving wind...

With the deregulation and the urgent necessity of decarbonizing the electricity sector, end users have been empowered to actively partake in the operation of the system. In this context, energy communities arise as a regulatory framework that allows aggregating a group of domestic consumers (or prosumers) in order to share own resources such as sto...

Objective: To analyze the social, environmental, and techno-economic impact of rural electrification through the implementation of photovoltaic systems in isolated communities, in order to improve the quality of life of the inhabitants and promote sustainable development. Theoretical Framework: Successful cases of off-grid rural electrification wit...

This paper introduces the "predictive-flex smoother" (PFS), an innovative method designed to mitigate power fluctuations in grid-connected photovoltaic (PV) systems while optimizing energy management in fast-electric vehicle charging stations (EVCS). The PFS method incorporates a hybrid energy storage system (HESS) comprising supercapacitors (SC) a...

The proliferation of charging stations entails multiple challenges for power systems. In this regard, the installation of photovoltaic-battery systems may help to mitigate the negative effects of charging points. However, such assets should be carefully planned, paying attention to economic aspects, principally. Most of existing works optimize the...

Hydrogen is called to play a vital role in the decarbonization of the energy sector. Its importance is notable for industries, where it finds multiple applications, but also for electricity generation through fuel-cells. Due to the existence of mature conversion technologies, the electricity-hydrogen nexus is expected to be frequently present in th...

The development of hybrid systems that combine different energy sources has become increasingly important to meet the growing demand for clean and sustainable energy. These systems can offer a reliable and efficient solution to reduce dependence on conventional energy sources and address the issues of climate change and environmental degradation. T...

Industrial parks allow industries to share infrastructure and thus saving money, finally redounding in improving the economy of many countries worldwide. Given the objectives of carbon neutrality imposed by different entities, it results mandatory promoting energy efficiency in industrial parks. Aligning with such objective, encouraging industries...

As electric vehicle penetrates markedly, existing charging infrastructure must be notably extended. Given the high rated power of current fast chargers and unpredictable vehicle demand, integrating these infrastructures into the grid may be damaged if they are not adequately planned and managed. In this sense, this paper develops a novel robust ene...

A detailed mathematical model that aids in comprehending the phenomena that occur inside the fuel cell (FC) and producing reliable simulation results is demonstrated by estimating the optimal values of proton exchange membrane fuel cell (PEMFC) unidentified parameters. Therefore, a recent modified optimization algorithm based on chaotic maps and Ra...

Electricity generation from biomass energy resources is compared with wind and solar power considering an uncertain electric load and a variable generation in the present study. The comparison results can give a good perspective to readers for judgment about energy utilization method in places which all of these renewable energy sources are availab...

The distribution losses significantly affect the system's operational costs and voltage profile that can be reduced by network reconfiguration. However, load power is not constant and can be changed by voltage fluctuation of network buses, in which reconfiguring the topology of distribution systems impacts the magnitude of bus voltages. Accordingly...

Distribution network losses constitute over 70% of all the losses that occur in power systems, resulting in the increment of operational cost, voltage profile distortion, and power supply instability. Therefore, addressing power losses has become a major concern for power system owners and operators, leading to the development of several mechanisms...

The reduction of power fluctuations from intermittent renewable sources is one of the most pressing challenges today. Recent research has shown that prediction and control mechanisms, when combined with energy storage systems, significantly contribute to improving these techniques. However, substantial research gaps still exist regarding the optimi...

In recent years, energy communities have emerged as a feasible solution to empower domestic end-users to engage in local power trading with their neighbours, in an attempt to improve the efficiency and economy of residential consumers. From a mercantilist point of view, launching local markets with eventual local electricity prices might be benefic...

The efficiency of grid-connected photovoltaic (PV) systems can be improved using a suitable maximum power point tracking (MPPT) control. Many MPPT techniques have been developed. However, when atmospheric conditions change rapidly, the PV modules respond nonlinearly and the performance of these methods especially the conventional ones is significan...

Effective thermal management is essential for ensuring the safety, performance, and longevity of lithium-ion batteries across diverse applications, from electric vehicles to energy storage systems. This paper presents a thorough review of thermal management strategies, emphasizing recent advancements and future prospects. The analysis begins with a...

In the current century, electrical networks have witnessed great developments and continuous increases in the demand for fossil fuels based energy, leading to an excessive rise in the total production cost (TPC), as well as the pollutant (toxic) gases emitted by thermal plants. Under this circumstances, energy supply from different resources became...

In this article, an improved optimization technique is used to get a solution to the problem of coordination between directional overcurrent relays (DOCR) and distance relays. An enhanced version of an equilibrium optimization algorithm (EO), referred to as EEO is proposed to solve this problem. The suggested approach optimises the parameter that r...

Sustainable bioenergy production relies on thoroughly understanding each country's biomass resources. Among North African countries, Tunisia possesses significant biomass potential. However, the country has not fully harnessed this potential for sustainable bioenergy production due to a limited awareness and recognition of its biomass resources. Th...

With the increasing penetration of electric vehicles into the existing power networks, the development of proper energy management tools become essential to mitigate the damaging effects of emerging high-power charging modes. To facilitate the management of vehicles, they can be gathered into clusters in order to aggregate their charging profiles....

In recent years, batteries have evolved increasingly overall in numerous applications. Among batteries, LIBs are the most advantageous technology because of their raised power and energy densities. This study proposes a hybrid method, combining a war strategy optimization (WSO) algorithm and a hierarchical deep learning neural network (HDLNN) named...

Agricultural production is an essential activity in the global economy that must advance towards the design of sustainability projects hand-in-hand with consumers, companies, and policymakers. An exhaustive study, in line with the guidelines set by government entities, is required to quantify this impact in an ample spectrum of environmental catego...