Artículos: Recent submissions
Now showing items 441-460 of 16598
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A reduced-order model for simulation of back-to- back start-up of synchronous motors in pumped storage hydropower plants
(Sin editorial (Ischia, Italia), 2024-08-05)This paper proposes a reduced-order model for the simulation of back-to-back start-up of synchronous motors in pumped storage hydropower plants aimed at calculating the starting time of the generator-motor set. It is assumed ... -
On advancements and challenges in asset management for HVDC systems: a machine learning perspective
(Auckland University of Technology; IEEE New Zealand North Section (Auckland, Nueva Zelanda), 2024-09-11)In the context of global climate goals and the transition to sustainable energy, modern energy transportation and distribution systems play a crucial role. Electricity transportation and distribution systems would not ... -
How a pandemic reshapes power patterns: a case study of electricity consumption in the Baltic countries during COVID-19
(Auckland University of Technology; IEEE New Zealand North Section (Auckland, Nueva Zelanda), 2024-09-11)In addition to the enormous loss of life caused by COVID-19, the pandemic produced issues in various sectors such as industrial, economic, tourism, healthcare, etc. One of the sectors that is likely to have been affected ... -
Anomaly detection of a cooling water pump of a power plant based on its virtual digital twin constructed with deep learning techniques
(Prognostics and Health Management Society (Praga, República Checa), 2024-06-27)This paper aims to explore the use of recent approaches of deep learning techniques for anomaly detection of potential failure modes in a cooling water pump working in a gas-combined cycle in a power plant. Two different ... -
Miniaturized top-metalized 3D-printed rectangular Dielectric Resonator Antenna
(IEEE Antennas and Propagation Society; Institute of Electrical and Electronics Engineers (Florencia, Italia), 2025-07-19)This paper introduces a novel top-metalized Dielectric Resonator Antenna (DRA). The inclusion of top metallization induces a modification in the boundary conditions, resulting in a frequency reduction in the fundamental ... -
Towards sustainability optimization in touristic route recommendation
(Universidad Complutense de Madrid (Madrid, España), 2024-07-16)While route recommendation plays a vital role in digital tourism services, conventional methods tend to be inherently complex, as they need to consider several constraints at once: user preferences, geographical and ... -
Robust optimal portfolio configuration of Renewable-based Virtual Power Plants for long-term planning
(Institute of Electrical and Electronics Engineers Power and Energy Society (Seattle, Estados Unidos de América), 2024-10-04)This paper proposes a robust optimal algorithm to determine the best portfolio configuration of Renewable-based Virtual Power Plants (RVPPs) over medium to long-term horizons. In this work, modifications to state-of-the-art ... -
System-wide benefits of renewable-based virtual power plants in island power systems
(Universidad de Tokio (Tokio, Japón), 2024-12-30)Renewable Energy Sources (RESs) have experienced significant growth in recent years. RES-based Virtual Power Plants (RVPPs) allow aggregating smaller RES-based Distributed Generators (DGs). This paper presents a system-wide ... -
Uncertain Decision Making: A Cooperative Agent Model For Flexible Renewable Energy Comunities
(Cardiff University (Cardiff, Reino Unido), 2025-02-25)The paper proposes an innovative model for integrating energy communities within urban districts according to the smart cities paradigm. The approach developed contemplates the proactive participation of members of an ... -
A decentralized business model for integrating energy hubs into flexibility markets within renewable-based smart grids
(Politecnico di Torino; Consorzio interuniversitario nazionale per energia e sistemi elettrici (Torino, Italia), 2024-10-04)This paper presents a bi-level model enabling energy hubs to release all their flexible capacities according to the price pulse in real-time flexibility markets. The Alternating Direction Method of Multipliers (ADMM) is ... -
Building bidding curves for an EV aggregator via stochastic adaptive robust optimization
(Politecnico di Torino; Consorzio interuniversitario nazionale per energia e sistemi elettrici (Torino, Italia), 2024-10-04)This paper proposes a stochastic adaptive robust optimization approach to build the bidding curves of an aggregator in charge of a set of electric vehicles participating in the day-ahead electricity market. These bidding ... -
Damage clasification in composite materials using neural networks
(Institute of Electrical and Electronics Engineers; Universidad Tecnológica Nacional (San Nicolás de los Arroyos, Argentina), 2024-11-04)Composite materials are widely employed in critical industrial applications, where their use has surged due to their numerous advantages over traditional materials. However, these benefits can be compromised if adequate ... -
Impact of uncertain data in robust optimal bidding of RVPP in energy and reserve markets
(Institute of Electrical and Electronics Engineers Power and Energy Society; University of Zagreb (Dubrovnik, Croacia), 2025-02-11)Different probability distributions yield different outcomes of optimization problems under uncertainty such as the optimal bidding problem of RES-only Virtual Power Plant (RVPP). Robust Optimization represents uncertainties ... -
Tools for Reliability and Resilience-oriented planning and operation of hybrid ACDC power systems
(Institute of Electrical and Electronics Engineers Power and Energy Society; University of Zagreb (Dubrovnik, Croacia), 2025-02-11)The impact of extreme events on power system operation is a growing concern, and planning and operation of hybrid ACDC power systems should account for resilience. This paper presents a framework for reliability and ... -
Investigating inclusion of linear sensitivity factors in analytical frequency constrained unit commitment formulation
(Tshwane-Universiteit vir Tegnologie; South African Institute of Electrical Engineers (Pretoria, España), 2025-04-02)As power systems transition towards cleaner energy sources and reduce reliance on conventional generation sources, power systems become increasingly vulnerable to frequency instability following large disturbances due to ... -
Improving Novelty and Diversity of Nearest-Neighbors Recommendation by Exploiting Dissimilarities
(Consiglio Nazionale delle Ricerche; Universitá di Pisa; Sapienza Università di Roma; Scuola IMT Alti (Lucca, Italia), 2025-04-03)Neighborhood-based approaches remain widely used techniques in collaborative filtering recommender systems due to their versatility, simplicity, and efficiency. Traditionally, these algorithms consider similarity functions ... -
Analysis of the New Portuguese and Spanish NECPs using CEVESA market model
(Instituto Superior de Engenharia de Lisboa (Lisboa, Portugal), 2025-07-07)The recent updates of the National Energy and Climate Plans (NECPs) for Portugal and Spain have some significant changes compared to the previous 2019 versions, especially for the Portuguese side where a greater demand and ... -
Sizing of Battery Storage Systems to Mimic the Operation of RES-based VPPs in Electricity Markets
(Instituto Superior de Engenharia de Lisboa (Lisboa, Portugal), 2025-07-07)The presence of large-scale Battery Energy Storage Systems (BESSs) in the grid is increasing at a quick pace, mainly to facilitate the process of the also increasing penetration of Renewable Energy Sources (RESs). However, ... -
Reintroducing Oral Exams in Engineering Education: Challenging Students' Communication Habits
(International Academy of Technology, Education and Development (Palma de Mallorca, España), 2025-07-02)Oral examinations are rare in engineering education, despite their potential to encourage essential communication skills in students, so much required in modern working environments. This paper explores the implementation ... -
Evaluation of Self-Assessment Tests in Engineering Modules – A Powerful Tool for All
(International Academy of Technology, Education and Development (Palma de Mallorca, España), 2025-07-02)Engineering students often struggle to evaluate their actual level of theoretical understanding, especially when facing dense curricula and limited study time. This paper explores the use of online self-assessment tests ...