Now showing items 1-20 of 810

    • A communication: assisted protection for MVDC distribution systems with distributed generation 

      Monadi, Mehdi; Gavriluta, Catalin; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
      Conference report
      Open Access
      In this paper, a communication-assisted protection scheme is proposed for medium voltage dc (MVDC) distribution networks. MVDC grids are applicable for connection between microgrids, upgrading the transmission capacity of ...
    • A community small-scale wind generation project in Peru 

      Ferrer Martí, Laia; Garwood, Anna; Chiroque, José; Escobar, Rafael; Coello, Javier; Castro, Miguel (2010)
      Article
      Open Access
      Electrification systems based on renewable energy have proven to be suitable for providing decentralized electricity to isolated communities. Electricity generated through wind power is one of the technical options ...
    • A comparison of fuzzy-based energy management systems adjusted by nature-inspired algorithms 

      Arcos Aviles, Diego Gustavo; Pacheco Páramo, Diego Felipe; Pereira, Daniela; García Gutiérrez, Gabriel; Carrera, Enrique; Ibarra, Alexander; Ayala Taco, Paul; Martínez, Wilmar; Guinjoan Gispert, Francisco (Multidisciplinary Digital Publishing Institute, 2021-02-12)
      Article
      Open Access
      The growing energy demand around the world has increased the usage of renewable energy sources (RES) such as photovoltaic and wind energies. The combination of traditional power systems and RESs has generated diverse ...
    • A Comparison of Waste Heat Recovery from LuxTurrim 5G Poles (in the Finnish Energy System) 

      Perna Vila, Mireia (Universitat Politècnica de Catalunya, 2020-01-09)
      Master thesis
      Open Access
      The aim of this project is to economically and energetically compare different power generation systems that use renewable sources as fuel to increase the temperature of a water line. This line is used to cool the LuxTurrim ...
    • A comprehensive model for the design of a microgrid under regulatory constraints using synthetical data generation and stochastic optimization 

      Alonso Travesset, Alexandre; Hoz Casas, Jordi de la; Martín Cañadas, María Elena; Coronas Herrero, Sergio; Salas Prat, Josep Maria (Pep); Matas Alcalá, José (2020-10-26)
      Article
      Open Access
      As renewable energy installation costs decrease and environmentally-friendly policies are progressively applied in many countries, distributed generation has emerged as the new archetype of energy generation and distribution. ...
    • A data acquisition pipeline for home energy management systems 

      Munné Collado, Íngrid; Montesinos Miracle, Daniel; Villafafila Robles, Roberto; Bové Salat, Adrià (2020)
      Conference lecture
      Restricted access - publisher's policy
      This paper presents a modular data acquisition pipeline to integrate exible assets and distributed and renewable energy sources in households. This modular and general system's main aim is to enhance the data acquisition, ...
    • A growing self-organising maps implementation for coherency identification in a power electronics dominated power system 

      Gregory Baltas, Nicholas; Lai, Ngoc Bao; Marín Arévalo, Leonardo Vidal; Tarraso Martínez, Andrés; Rodríguez Cortés, Pedro (2020)
      Conference lecture
      Restricted access - publisher's policy
      The presence of power electronics in today’s power systems strengthens due to the wider integration of renewable energy and energy storage systems. Subsequently, the dynamical response becomes harder to model and understand. ...
    • A meta-heuristic method to design off-grid community electrification projects with renewable energies 

      Ranaboldo, Matteo; García Villoria, Alberto; Ferrer Martí, Laia; Pastor Moreno, Rafael (2015)
      Article
      Open Access
      The design of off-grid electrification projects considering hybrid systems and distribution microgrids is a complex task that requires the use of decision support tools. Most of existing tools focus on the design of hybrid ...
    • A meta-multiparametric framework: Application to the operation of bio-based energy supply chains 

      Medina González, Sergio Armando; Shokry Abdelaleem Taha Zied, Ahmed; Silvente Saiz, Javier; Espuña Camarasa, Antonio (Elsevier, 2015)
      Conference report
      Open Access
      This paper proposes a framework for the analysis of complex optimization problems under uncertainty. The usual multiparametric programing approach is skipped through the use of metamodels to mimic a set of already solved ...
    • A metaheuristic optimization model for the inter-array layout planning of floating offshore wind farms 

      Lerch, Markus Jürgen; Prada Gil, Mikel de; Molins i Borrell, Climent (2021-10-01)
      Article
      Open Access
      This paper presents an adapted particle swarm optimization model for the electrical layout planning of floating offshore wind farms (FOWFs). A comprehensive model is considered by taking into account the entire wind turbine ...
    • A MILP model to design hybrid wind-photovoltaic isolated rural electrification projects in developing countries 

      Ferrer Martí, Laia; Domenech Léga, Bruno; García Villoria, Alberto; Pastor Moreno, Rafael (Elsevier, 2013-04-16)
      Article
      Restricted access - publisher's policy
      Electrification systems based on the use of renewable energy sources are a suitable option for providing electricity to isolated communities autonomously. Wind and hybrid wind–photovoltaic (PV) systems are increasingly ...
    • A multi-objective optimization approach for the design of stand-alone electrification systems based on renewable energies 

      Ponsich, Antonin Sebastien; Domènech, Bruno; Ferrer Martí, Laia; Juanpera Gallel, Marc; Pastor Moreno, Rafael (2022-08-01)
      Article
      Restricted access - publisher's policy
      Stand-alone systems based on renewable energies have proven suitable for the electrification of rural areas. Generally, the design stage of such systems only considers economic efficiency, through a single-objective ...
    • A new nonlinear compliant mechanism for harvesting energy from ocean waves 

      Liang, Haitong; Carandell Widmer, Matias; Olszewski, Oskar Z.; Hao, Guangbo (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference lecture
      Open Access
      Traditonal linear oscillators, such as cantilevers or pendulums, are only sensitive to specific resonant frequencies. They have then very narrow frequency bandwidths when harvesting energy from ocean waves. In order to ...
    • A novel algorithm based on the combination of AC-OPF and GA for the optimal sizing and location of DERs into distribution networks 

      García Muñoz, Fernando Esteban; Díaz González, Francisco; Corchero García, Cristina (Elsevier, 2021-09)
      Article
      Open Access
      This article proposes an algorithm to obtain an optimal local solution for the network planning process related to the optimal integration of different renewable energy sources (RES) and different BatteryEnergy Storage ...
    • A parametric approach for the study of three-phase inverters subject to grid faults 

      Rolán Blanco, Alejandro; Sainz Sapera, Luis (2022)
      Conference lecture
      Open Access
      The aim of this work is to describe the behavior of three-phase inverters connected to a faulty grid by means of a parametric approach which gives rise to limaçon of Pascal curves and 3D figures formed by the injected ...
    • A physical-chemical study of water resources in 5 hydropower projects 

      Naranjo Silva, Héctor Sebastián; Punina Guerrero, Diego; Barros Enriquez, José David; Almeida Domínguez, Jorge Armando; Álvarez del Castillo, Javier (Brazilian Journals Publicações de Periódicos e Editora Ltda, 2022-11-14)
      Article
      Open Access
      Over the last 60 years, renewable energies have substantially developed; in 2021, around 12.8% of global primary energy came from these technologies. Thus, even though renewable energies have good global acceptance present ...
    • A reduced-order model for real-time NMPC of ethanol steam reformers 

      Reyero Santiago, Pedro; Yu, Xinwei; Ocampo-Martínez, Carlos; Braatz, Richard D. (Science Press, 2021)
      Conference report
      Open Access
      One of the approaches to green energy of interest in recent years is through the use of hydrogen technologies in which the waste product of combustion is water rather than carbon dioxide, nitrous oxides, and other pollutants ...
    • A review of deterministic and data-driven methods to quantify energy efficiency savings and to predict retrofitting scenarios in buildings 

      Grillone, Benedetto; Danov, Stoyan; Sumper, Andreas; Cipriano Lindez, Jordi; Mor, Gerard (2020-10)
      Article
      Open Access
      Increasing the energy efficiency of the built environment has become a priority worldwide and especially in Europe. Because of the relatively low turnover rate of the existing built environment, energy efficiency retrofitting ...
    • A review of energy storage technologies for large scale photovoltaic power plants 

      Bullich Massagué, Eduard; Cifuentes-García, Francisco-Javier; Glenny Crende, Ignacio; Cheah Mañé, Marc; Aragüés Peñalba, Mònica; Díaz González, Francisco; Gomis Bellmunt, Oriol (2020-09-15)
      Article
      Open Access
      Energy storage can play an essential role in large scale photovoltaic power plants for complying with the current and future standards (grid codes) or for providing market oriented services. But not all the energy storage ...
    • A robust islanding detection method with zero-non-detection zone for distribution systems with DG 

      Serrano Fontova, Alexandre; Martínez Velasco, Juan Antonio; Casals Torrens, Pau; Bosch Tous, Ricardo (2021-12-01)
      Article
      Open Access
      This paper proposes a strategy for detecting unintentional islanding operations (IOs) in distribution networks (DNs) with distributed generation (DG), which eliminating the non-detection zone (NDZ). This hybrid method ...