501

Indicators of energy efficiency in road and street lighting: a long way to more sustainable cities

Antonio Peña-García, Evaristo Molero, Ovidio Rabaza

Department of Civil Engineering. University of Granada. Spain

Abstract

Public lighting plays a major role in the global figures of energy consumption. Since its final goal is to ensure the safety of people and goods as well as the wellbeing of its users, it is a clearly basic service... READ MORE

502

TransWind: A Vision Transformer Framework for Wind Turbine Fault Diagnosis on Supervisory Control and Data Acquisition System

Abdullah Saeed Alwadie(1), Sana Yasin(2), Muhammad Irfan(1), Umar Draz(3), Tariq Ali(4)

1. Electrical Engineering Department, College of Engineering, Najran University.

Saudi Arabia

2. Department of Computer Science, Faculty of Computing, University of Okara.

Pakistan

3. Department of Computer Science, Faculty of Computing and Information

Technology, University of Sahiwal. Pakistan

4. Artificial Intelligence and Sensing Technologies (AIST) Research Center,

University of Tabuk. Saudi Arabia

Abstract

Accurate fault detection in wind turbines is essential for maximizing operational efficiency and reducing maintenance expenditures. This paper presents TransWind, a novel Vision Transformer (ViT)-based framework designed specifically for analyzing SCADA data to pinpoint and diagnose issues in wind turbines...READ MORE

503

Nuclear ammonia as a renewable energy source: an innovative approach to advancing sustainable fuel solutions for the global energy crisis

Tariq MASOOD(1), Jamil Abdo(1), Nasser j. AL-Kuwari(2) Tahir Imran Qureshi(3), Kaimiao Liu(1)

1. Department of Engineering.Frostburg State. USA

2. Qatar Energy, Q-Chem, QAFAC

3. Department of Chemical Engineering. NFCIET, Multan. Pakistan

Abstract

This paper thoroughly addresses the risks and challenges associated with ammonia as a fuel and asserts that we can effectively harness its potential. We underscore the imperative of implementing safe production, transportation, and utilization frameworks to mitigate any new environmental or safety concerns...READ MORE

504

The use of GIS as a tool for the integrated design of solar photovoltaic street lighting systems

Ovidio Rabaza, Evaristo Molero, Antonio Peña-García

Department of Civil Engineering. University of Granada. Spain

Abstract

The integrated design of solar street lighting basedon Geographic Information Systems (GIS) is an innovative approach that combines solar technologies and spatial analysis to optimize stand-alone photovoltaic street lighting installations. This work presents a GIS-based tool in the prototype phase for automated urban planning, enabling the rapid and accurate design of solar public lighting across all streets simultaneously in rural, residential, or urban areas...READ MORE

505

An Innovative Software for Stability Analysis of Multi-Energy Grids

Oriol Cartiel, Luis Sainz, Juan José Mesas

Department of Electrical Engineering (DEE), Escola Tècnica Superior d’Enginyeria Industrial de Barcelona (ETSEIB), Universitat Politècnica de Catalunya. Spain

Abstract

To effectively deal with the urgent climate crisis,clean resources and energy efficiency are becoming essential. As a result, renewable energy technologies (e.g., solar PV and wind power), HVDC links, and multi-energy systems have been widely integrated into traditional electrical power systems in recent decades. These technologies and HVDC links provide numerous benefits in driving the energy transition, and multi-energy systems are a promising energy storage/management solution to handle the variable and unpredictable nature of renewable energy technologies...READ MORE

506

Overview of the Application of Neuroevolution and Genetic Algorithms in the Control of Power Grids with Renewable Energy

A. Alarcón(1), N. Lapuente(1), N. Galan(1), A. Talayero(1), V. Lacerda(2)

1. CIRCE Foundation: Parque Empresarial Dinamiza, Zaragoza. Spain

2. ETSEIB (CITCEA-UPC), Barcelona. Spain

Abstract

The integration of renewable energy sources intoelectrical grids introduces significant challenges, particularly in ensuring stability and reliability in dynamic, nonlinear environments. These sources create fluctuations, uncertainties, and voltage regulation issues that traditional control systems struggle to manage, compromising the grid’s ability to deliver a stable power supply. Addressing these challenges requires advanced, adaptive control solutions capable of responding to the variable nature of renewable energy...READ MORE

507

Modeling the Synergy of Wind and PV Power in Galicia Using CopulaTheory

Daiane Rodrigues dos Santos(1),Tuany Esthefany Barcellos(2)

1. Department of Economics. Maracanã, Rio de Janeiro. Brazil

2. Department of Industrial Engineering. Gávea, Rio de Janeiro. Brazil

Abstract

One of the main goals of international sustainabilityprojects is the transition to renewable energy. This study uses copula theory to explore the relationship between wind and photovoltaic (PV) electricity Production in Galicia, Spain. The aim is to analyze the interaction and complementarity between these two renewable energy sources. The research uses copula models to capture the dependency structure between how much wind and PV energy is generated, recognizing that their interactions are complex and not linear....READ MORE

508

Performance Improvement Of Sliding Mode Control For Wind Turbine Application

A. Redouane(1), R. Saou(1), A. Oukaour(2)

1. Université de Bejaia, Faculté de Technologie, Laboratoire de Génie Électrique,

Bejaia. Algeria

2. Laboratoire de Recherche en Sciences du Numérique GREYC, Université de

Caen Normandie. France

Abstract

This paper introduces a new reaching law for sliding mode control to regulate the current loop of a DC-DC boost converter in a small-scale standalone wind turbine system equipped with battery storage. The wind turbine employs a direct-driven generator known as the Vernier Doubly Salient Permanent Magnet (DSPM) generator...READ MORE

509

Grid-Connected PV + Battery AC Nanogrid with EV Integration for Increased Resilience

Mohammad Ali Ghaderi, Luiz A.C. Lopes

Department of Electrical and Computer Engineering

Concordia University, Montreal. Canada

Abstract

This work concerns a three-phase grid-connected AC nanogrid with PV generation and battery storage. The system Is based on SMA Sunny Boy (SB) and Sunny Island (SI) inverters with a Data Manager for monitoring and control. It also includes an EV that can be charged through a standard 208V unidirectional charger when the grid is available. A low-cost single-phase unidirectional Vehicle-to-Home (V2H) inverter, that communicates with the BEMS of the EV, is available at the site. It can supply isolated loads but not to operate in parallel with the PV + battery three-phase system. READ MORE

510

Generalized Predictive Current Control for Grid-Connected Converter with LCL Filter

Martin Bejvl, Miroslav Chomát, Petr Šimek, Viktor Valouch

Department of Electrotechnics and Electrophysics

Institute of Thermomechanics, Czech Academy of Sciences Prague. Czech Republic

Abstract

The current control based on the GPC (Generalized Predictive Control) algorithm for the power electronic converter connected to the grid via LCL filter is developed. A design process of the control structure and its parameters, and the results of simulation are presented. The current responses to changes in current references and to grid failures are shown and discussed...READ MORE

511

Savonius Turbine Pitch Control with IoT Philosophy

Mallada-Fernández Daniel(1), Fernández-Jiménez Aitor(2) , Padilla-Fernández Pelayo(1), Quintana-Barcia Pablo José(1), Rico-Secades Manuel(1), Calleja Antonio-Javier(1)

1. Department of Electrical, Electronics, Communications and Systems (DIEECS)

Polytechnics Engineering School of Gijon (EPI-GIJON), Oviedo University.

Spain

2. Departament of Energy. Fluid Dynamics Group. Hydraulic Engineering Area.

Gijón. Spain

Abstract

Renewable energies have experienced a greatgrowth in recent years, thanks to their versatility and low environmental impact, and supported by progress in electronic, mechanical, control and systems engineering. This work reports the theoretical study, development and implementation of an adjustable Savonius rotor. The design of the turbine will allow the regulation of the position of the blades on the axial axis...READ MORE

512

Achieving AC Power Flow Convergence Through Generator Active

Power Re-Dispatch

Samuel N Okhuegbe(1), Hao Fu(2), Adedasola A Ademola(3), Yilu Liu(1,2,4)

1. Bredesen Center for Interdisciplinary Research and Graduate Education.

University of Tennessee, Knoxville. USA

2. Department of Electrical Engineering and Computer Science.

University of Tennessee, Knoxville. USA

3. Dominion Energy Virginia. USA

4. Oak Ridge National Laboratory, Knoxville. USA

Abstract

The importance of a converged AC power flow(ACPF) case cannot be overstated, as it forms the foundation of other power systems studies. However, achieving a converged power flow model can be particularly difficult due to the non-linear nature of the power flow equations. Convergence is further affected when excessive power flows through certain transmission lines causing significant overloads...READ MORE

513

Statistical Regression Model for Annual Hourly Price Estimation in the Spanish Electricity Market

N. Naval, L. Tipán-Salazar, J.M Yusta

Department of Electrical Engineering. University of Zaragoza

Zaragoza, Spain

Abstract

This article aims to obtain an annual hourly profileof Spanish electricity market prices until 2050, by estimating a statistical regression model that captures the variables that influence price formation. This model captures hourly price fluctuations, allowing identifying key dynamics that affect the planning and operation of the power system...READ MORE

514

Bifacial Photovoltaics for DC Fast Public Charging of 800V Electric Vehicles

G. S. Quansah(1), O. Oñederra(1), G. Saldaña(1),  M. González-Pérez(2),  I. Zamora(1)

1. Department of Electrical Engineering. University of the Basque Country

(UPV/EHU) Engineering School of Bilbao. Spain

2. Department of Electrical Engineering. University of the Basque Country

(UPV/EHU) Engineering School of Gipuzkoa, Eibar. Spain

Abstract

Electric Vehicles (EVs) operating on 800V architecture, and their associated fast-charging stations, demand higher power capacity, as compared to traditional 400V EVs. This increases stress on the utility grid. Bifacial photovoltaics (bPVs) offer a highperformance energy generation solution, capable of mitigating these demands. They are known for their bidirectional irradiance capture technology, and dual-surface PV conversion capability...READ MORE.

515

Levelized Cost of Storage Framework for Solid-State Batteries in

400V/800V Electric Vehicle Powertrains

G. S. Quansah(1), O. Oñederra(1), G. Saldaña(1),  M. González-Pérez(2),  I. Zamora(1)

1. Department of Electrical Engineering. University of the Basque Country

(UPV/EHU) Engineering School of Bilbao. Spain

2. Department of Electrical Engineering. University of the Basque Country

(UPV/EHU) Engineering School of Gipuzkoa, Eibar. Spain

Abstract

Electric Vehicle (EV) manufacturers are adopting a range of powertrain architectures, with voltage systems ranging from 400V to 800V. The voltage ranges improves the efficiency and performance of EV powertrains. This improvement transforms EVs into more than just transportation systems. They also integrate the EVs as critical distributed energy storage units, and helps in grid stability, and energy load balancing through vehicle-to-grid (V2G) integration...READ MORE

516

Adaptive PI state control of a two-mass oscillator system for active damping of torsional vibrations in deep drilling technology

Daniel Alexander Piontek, Alexander Oberland, Hans-Peter Beck, Dirk Turschner, Ines Hauer

Institute of Electrical Power Engineering and Energy Systems

Clausthal Centre of Material Technology. Clausthal University of Technology.

Germany

Abstract

Torsional vibrations in deep drilling systems, such as the nonlinear stick-slip effect, pose significant challenges to operational stability and tool longevity. Building on previously derived analytical setting formulas for Proportional-Integral (PI) state control, this paper applies them to a two-mass oscillator system, commonly used as a simplified model for deep drilling setups...READ MORE

517

Optimized Inter Real-Time Simulator Communication Utilizing Transmission Line Delay Variety

Fang Hou(1,2), Zhuoxuan Shen(3), An Chen(3), Donghui Zhang(2,3), Shaofu Li(1)

1. School of Information Engineering, Southwest University of Science and

Technology, Sichuan. China

2. Sichuan Energy Internet Research Institute, Tsinghua University, Sichuan.

China

3. Chengdu Mite Smart Power Technology Co., Sichuan. China

Abstract

Hardware-in-the-loop (HIL) testing based on real-time simulators is one of the critical methods for the power system and the power electronics system research. Using multiple interconnected simulators to enhance parallel computing performance is a common method. However, with the increasing demand for enlarging system scale and shortening simulation time-step, more dedicated communication resources and a higher amount of transferred data are required...READ MORE

518

Influence of synchronous condensers on small isolated power systems with large amount of renewable energy. A case study of the Lanzarote- Fuerteventura power system

E.J. Medina Domínguez(1), J.F. Medina Padrón(2), J.M. De León Izquier(1)

1. Renewable Energies Department, Canary Islands Institute of Technology (ITC)

Santa Lucía de Tirajana, Gran Canaria. Spain

2. University of Las Palmas de Gran Canaria (ULPGC). Spain

Abstract

This work studies the influence of synchronous condensers (SC) on small, isolated power systems with high levels of wind power, trying to quantify it using the rate of change of frequency, frequd minimum voltage. Likewise, different values of the inertia constantof the SCs were studied...READ MORE

519

Survey on residential rooftop solar power systems in Hungary

L.Z. Gergely, Z. Takács, M. Horváth

Department of Department of Building Services and Process Engineering

Budapest University of Technology and Economics. Hungary

Abstract

Hungary has seen rapid growth in residential rooftop photovoltaic (PV) systems, with installations reaching 2.65 GW –over 35% of the country’s total PV capacity in 2023. However,detailed data on system characteristics and prosumer behaviour remain unknown. This study presents preliminary results from a 2025 survey assessing residential PV sizing, orientation, and electricity consumption...READ MORE

520

Towards Sustainable Energy Storage: The Potential of anhydrous

Pickering Emulsions

S. Sanabria, C. Delgado-Sánchez, F.J. Navarro

Pro2TecS-Chemical Process and Product Technology Research Center,

Department of Chemical Engineering, Physical Chemistry and Material Sciences

ETSI, Universidad de Huelva. Spain

Abstract

As the global demand for renewable energyaccelerates, finding reliable and efficient energy storage solutions becomes increasingly essential to address the challenge of intermittency on energy generation, as in the case of solar and wind energy (1). One promising approach involves the use of emulsions containing phase change materials (PCMs), systems that can effectively store and release thermal energy during phase transitions (2)...READ MORE