Departament d'Enginyeria Elèctrica: Enviaments recents

Ara es mostren els items 1-12 de 1570

    • Non-technical losses identification in distribution grids: a hybrid approach 

      Jené Vinuesa, Marc; Aragüés Peñalba, Mònica; Sumper, Andreas (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Fraud detection in distribution grids is an important issue that can significantly impact the efficiency and profitability of the grid. This paper presents a hybrid fraud detection system using both Smart Meter and grid ...

    • Load configuration impact on energy community and distribution grid: quantifying costs, emissions and grid exchange 

      Berg, Kjersti; Hernández Matheus, Alejandro Henrique; Aragüés Peñalba, Mònica; Bullich Massagué, Eduard; Farahmand, Hossein (Elsevier, 2024-03-22)
      Article
      Accés obert
      Energy communities are emerging across Europe, and each country is currently in the process of forming regulations for their integration into the electricity grid. The efficacy of energy communities depends upon various ...

    • High production of gigantic jets by a thunderstorm over Indian Ocean 

      Soula, Serge; Mlynarczyk, Janusz; Van der Velde, Oscar Arnoud; Montanya Puig, Joan; Leclerc, Emmanuel (John Wiley & sons, 2023-11-16)
      Article
      Accés obert
      Thirteen gigantic jets (GJ) were observed on 12 February 2020, with a sensitive video camera located at Maïdo Observatory, La Réunion Island in Indian Ocean. They were produced within 68 min by nearby cells embedded in a ...

    • Fault detecting and isolating schemes in a low-voltage DC microgrid network from a remote village 

      Hategekimana, Pascal; Junyent Ferré, Adrià; Rodríguez Bernuz, Joan Marc; Ntagwirumugara, Etiene (2022-06-19)
      Article
      Accés obert
      Fault detection and isolation are important tasks to improve the protection system of low voltage direct current (LVDC) networks. Nowadays, there are challenges related to the protection strategies in the LVDC systems. In ...

    • Interconnecting power converter control role assignment in grids with multiple AC and DC subgrids 

      Arévalo Soler, Josep; Gross, Dominic; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2023-01-13)
      Article
      Accés obert
      In emerging Multi-Terminal High Voltage Direct Current (MT-HVDC) systems interconnecting different Alternating Current (AC) asynchronous areas by means of Interconnecting Power Converters (IPC) different challenges arise. ...

    • Impact of short-circuit ratio on control parameter settings of DFIG wind turbines 

      Pedra Durán, Joaquim; Sainz Sapera, Luis; Monjo Mur, Lluís (2024-04-11)
      Article
      Accés obert
      This work deals with doubly fed induction generator (DFIG) modeling and stability when connected to weak AC grids. A detailed state-space model that includes the phase-locked loop (PLL) is developed. This work aims to ...

    • Review and improvements to the measurements of the VSC impedance transfer matrix 

      Pedra Durán, Joaquim; Sainz Sapera, Luis; Monjo Mur, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2024-04)
      Article
      Accés obert
      Impedance/admittance transfer matrix characterization of voltage source converters is an important issue in frequency domain stability studies. Several approaches in the dq- and pn-frame are proposed to obtain this matrix ...

    • Análisis de estructuras de carga de dos tormentas eléctricas registradas por lared Lightning Mapping Array en el Magdalena Medio colombiano 

      Ardila Murillo, Brandon Steven; Soto Ríos, Edison Andrés; Argüello Barbosa, Didier; Tello Rodríguez, Heribert; López Trujillo, Jesús Alberto; Montañá Puig, Juan (2022-05-01)
      Article
      Accés obert
      A partir de la ubicación de la red Lightning Mapping Array LMA en límites de los municipios de Barrancabermeja y Yondó en 2018, se han tomado datos ininterrumpidos de descargas IC y CG que ocurren sobre esta zona de estudio. ...

    • Real-time lithium battery aging prediction based on capacity estimation and deep learning methods 

      Vega Hernández, Joaquín de la; Riba Ruiz, Jordi-Roger; Ortega Redondo, Juan Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2023-12-27)
      Article
      Accés obert
      Lithium-ion batteries are key elements in the development of electrical energy storage solutions. However, due to cycling, environmental, and operating conditions, battery capacity tends to degrade over time. Capacity fade ...

    • An observer-based composite identifier for online estimation of the Thévenin equivalent parameters of a power system 

      Zonetti, Daniele; Ortega, Romeo; Cisneros, Rafael; Bobtsov, Alexey; Mancilla David, Fernando; Gomis Bellmunt, Oriol (John Wiley & sons, 2024-03-15)
      Article
      Accés obert
      We consider a Thévenin equivalent circuit capturing the dynamics of a power grid as seen from the point of common coupling with a power electronic converter and propose a solution to the problem of online identification ...

    • Fault handling capabilities of grid-forming wind turbines in offshore wind farms connected with MMC HVDC system 

      Raza, Muhammad Waleed; Raza, Muhammad; Girona Badia, Jaume; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2024-03-07)
      Article
      Accés obert
      Offshore wind power generation equipped with conventional grid following controls challenges the power system stability by reducing the inertia of the grid and weakening the AC offshore grid. To overcome this vulnerability ...

    • The impact of electricity tariffs on optimal production scheduling 

      Fisco Compte, Pau; Bullich Massagué, Eduard; Domenech Léga, Bruno; Juanpera Gallel, Marc; Pastor Moreno, Rafael; Ranaboldo, Matteo (2023)
      Text en actes de congrés
      Accés obert
      Energy costs can represent a large portion of the total production costs, and therefore, any changes in electricity tariffs can have a significant impact on profitability. This paper analyses how different types of electricity ...