Artículos: Recent submissions
Now showing items 401-420 of 16590
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Dataset para el análisis de eventos maliciosos en sistemas windows basados en la matriz de mitre
(Instituto Nacional de Ciberseguridad; Universidade de Vigo (Vigo, España), 2023-06-23)La evaluación de los sistemas de detección y prevención de amenazas requiere de la existencia de datasets que se encuentren actualizados y correctamente diseñados conforme las amenazas más comunes. Actualmente, la ... -
Multimode power oscillation damping controller synthesis using vector fitting
(Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (Belgrado, Serbia), 2023-06-29)Low-frequency oscillations in power systems have been commonly damped by power system stabilisers based on lead-lag transfer functions. These stabilisers can be implemented in the control loops of synchronous generators ... -
Power flow algorithm using a second-order differentation approach
(Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (Belgrado, Serbia), 2023-06-29)Load flow is the key tool for most of the studies related with electric power systems operation and planning. For a given electric network and power dispatch, power flow provides the state variables of the system, i.e. bus ... -
Re-synchronisation of a microgrid to the main grid using multi-agent secondary control
(Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (Belgrado, Serbia), 2023-06-29)The idea of having self-powered microgrids has often been proposed to take full advantage of distributed generation resources. These microgrids can work either isolated from or connected to the main grid, which brings a ... -
Analytical frequency-constrained UC for island power systems
(Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (Belgrado, Serbia), 2023-06-29)This paper presents a frequency-constrained unit commitment (FCUC) formulation for island power systems. The timely activation of spinning reserve is key to guaranteeing frequency stability in the operation planning phase. ... -
Design and comparison of UFLS schemes of isolated power systems based on frequency stability margin
(Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (Belgrado, Serbia), 2023-06-29)Increasing penetration of renewable energy resources (RES) affects stability and, in particular, frequency stability of island power systems like the Canary Islands. System protection involves underfrequency load shedding ... -
Scalability analysis of a wireless M-Bus system for smart metering and sensoring
(Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (Belgrado, Serbia), 2023-06-29)Wireless M-Bus communication protocol has emerged as one way of implementing smart metering for smart grids and cities. To determine possible applications of this technology in these contexts, its scalability and replicability ... -
Capex temporal allocation and cost recovery in long-term generation capacity expansion planning
(International Federation of Operational Research Societies; Instituto Chileno de Investigación Opera (Santiago de Chile, Chile), 2023-07-10)This work revisits some interesting properties of long-term generation models and sheds light on cost-recovery properties associated to this kind of representations in the framework of marginalist remuneration electricity ... -
Design and sensitivity analysis of underfrequency load-shedding schemes of isolated power systems based on frequency stability margin
(Institute of Electrical and Electronics Engineers Power and Energy Society (Orlando, Estados Unidos de América), 2023-09-25)The objective of this paper is to tune the parameters of an underfrequency load shedding (UFLS) scheme based on the frequency stability margin (FSM) and compare its performance with the conventional UFLS scheme. The ... -
A Machine Learning approach for the validation and optimization of permittivity mixing rules for binary liquids
(Universidad de Extremadura; Union Radio-Scientifique Internationale (Cáceres, España), 2023-12-31)This paper presents the application of Support Vector Regressor models trained with glycerin-water mixture signals from a Dielectric Resonator sensor. Each signal is labeled with a concentration considered. The performance ... -
Decoupled active and reactive power controllers for damping low-frequency oscillations using virtual synchronous machines
(Institute of Electrical and Electronics Engineers Power and Energy Society; Université Grenoble Alpe (Grenoble, Francia), 2024-01-30)In this paper, a power oscillation damping (POD) controller embedded in virtual synchronous machines (VSMs) is proposed. This controller suggests the decoupled use of both active and reactive powers to damp low-frequency ... -
What drives electricity tariffs in Switzerland? Two-stage statistical and geospatial analysis of structural differences across 1913 municipalities
(Institute of Electrical and Electronics Engineers Power and Energy Society; Université Grenoble Alpe (Grenoble, Francia), 2024-01-30)We present a two-staged statistical and geospatial analysis exploring the discrepancies of household electricity tariffs across 1,913 Swiss municipalities. First, we perform a multilinear regression analysis, considering ... -
Model the path: impact of propagation models on the scalability analysis of a wireless M-Bus sensoring system for smart grids
(Institute of Electrical and Electronics Engineers; IEEE Communications Society (Glasgow, Reino Unido), 2023-12-06)This paper analyses the impact of the propagation model on the outcomes of a scalability analysis of a wireless M-Bus system simulated in OMNeT%2B%2B. Four path loss models are compared: Free Space Path Loss (FSPL) model ... -
Impact assessment of FCUC on optimal design of UFLS settings in Island Power Systems
(Institute of Electrical and Electronics Engineers (Marrakech, Marruecos), 2023-12-22)A frequency constrained unit commitment (FCUC) formulates the non-linear, non-convex frequency dynamics to obtain the generation dispatch of island power systems (IPSs). Even with FCUC, under frequency load shedding (UFLS) ... -
Lean and safety management: a project to improve the continuity of care for chronic patients
(University of London (Londres, Reino Unido), 2023-11-13)Enhancing the quality of care for chronic patients means guaranteeing the delivery of integrated care. Integrated health systems help overcome the fragmentation of care processes, by bridging the organisational, managerial, ... -
Escape room “Esperanza para el futuro": El juego de fuga como actividad de evaluación de los conocimientos aprendidos
(Red de Investigación e Innovación Educativa (Madrid, España), 2024-01-01)La asignatura de Fisiología humana del 1º curso del Doble Grado de Ciencias de la Actividad Física y el Deporte (CAFYD) y Ed. Primaria (EP) tiene como uno de sus objetivos fundamentales conseguir que, al finalizar el curso, ... -
Bi-level mechanism for decentralized coordination of internet data centers and energy communities in local congestion management markets
(University of Wollongong (Wollongong, Australia), 2024-02-02)This paper introduces a bi-level decentralized model for organizing the Local Congestion Management Market (LCMM) in renewable-based distribution systems with the active participation of Energy Communities (ECs) and Internet ... -
Frequency stability assessment of deloaded wind turbines in Spanish island power systems
(Texas A&M University at Qatar; Smart Grid Center-Qatar (Doha, Qatar), 2024-02-15)This paper investigates under what circumstances the provision of frequency regulation by renewable energy sources can provide technical and economic benefits to real island power systems. In order to do so, the unit ... -
A new method for efficient transmission losses allocation in electricity markets without losses consideration in the dispatch
(Universidad de Shanghái Jiao Tong (Shanghai, China), 2024-05-24)Several electricity markets around the world have adopted a single-node dispatch model that does not account for transmission losses. This leads to efficiency losses as the merit order can change significantly. Marginal ... -
Integración de un laboratorio de ciberseguridad OT en un laboratorio de automatización industrial
(Instituto Nacional de Ciberseguridad; Universidad de Sevilla (Sevilla, España), 2024-06-01)Si la ciberseguridad en las Tecnologías de la Información (IT, Information Technology) es una persona adulta, la ciberseguridad en las Tecnologías Operativas (OT, Operational Technology) está aún en su infancia. Los desafíos ...