Now showing items 1-20 of 82

  • A 3-D Pareto-based shading analysis on solar photovoltaic system design optimization 

    Asef, Pedram; Bargalló Perpiñá, Ramón; Barzegaran, M.R.; Lapthorn, Andrew (2018-06-20)
    Article
    Restricted access - publisher's policy
  • Acondicionadores de energía distribuidos en redes de paneles fotovoltaicos 

    González Fernández, Daniel (Universitat Politècnica de Catalunya, 2012-07-20)
    Bachelor thesis
    Open Access
    Actualmente existen gran variedad de aplicaciones que se alimentan gracias a pequeños sistemas fotovoltaicos. La potencia eléctrica que suministran los paneles fotovoltaicos varía en función de factores como la iluminación ...
  • Adaptive vector control of wave energy converters 

    Mir Cantarellas, Antonio; Remón Rodríguez, Daniel; Rodríguez Cortés, Pedro (2017-05-01)
    Article
    Restricted access - publisher's policy
    Many grid connection concerns, such as maximum power absorption and improved power quality, are increasingly gaining research interest in the wave energy sector, as several wave energy converter (WEC) concepts approach ...
  • Advanced structures for grid synchronization of power converters in distributed generation applications 

    Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro; Teodorescu, Remus; Blaabjerg, Frede (2012)
    Conference report
    Restricted access - publisher's policy
    The Transmission System Operators are specially concerned about the Low Voltage Ride Through requirements of distributed generation power plants. Solutions based on the installation of STATCOMs and DVRs, as well as on ...
  • Analysis of MMC energy-based control structures for VSC-HVDC links 

    Sánchez Sánchez, Enric; Prieto Araujo, Eduardo; Junyent Ferré, Adrià; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2018-02-06)
    Article
    Restricted access - publisher's policy
  • An enhancing fault current limitation hybrid droop/V-f control for grid-tied four-wire inverters in AC microgrids 

    Heredero Peris, Daniel; Chillón Antón, Cristian; Pagès Giménez, Marc; Montesinos Miracle, Daniel; Santamaria, Mikel; Rivas, David; Aguado, Monica (Multidisciplinary Digital Publishing Institute, 2018-09-22)
    Article
    Open Access
    Microgrid integration and fault protection in complex network scenarios is a coming challenge to be faced with new strategies and solutions. In this context of increasing complexity, this paper describes two specific ...
  • A new LPF-based grid frequency estimation for the SOGI filter with improved harmonic rejection 

    Matas Alcalá, José; Martín Cañadas, María Elena; El Mariachet Carreño, Jordi; Abusorrah, A.; Al-Turki, Y.A. (2018)
    Conference lecture
    Open Access
    This paper proposes a new method for the estimation of the grid voltage frequency using a low-pass filter (LPF) approach. The estimated frequency is used to tune a second order generalized integrator (SOGI) filter commonly ...
  • Application of imperialist competitive algorithm to design an optimal controller for LFC problem 

    Rakhshani, Elyas; Luna Alloza, Álvaro; Rouzbehi, Kumars; Rodríguez Cortés, Pedro (2012)
    Conference report
    Restricted access - publisher's policy
    A novel optimization algorithm is presented to improve the design of optimal controllers for load frequency control problem. This algorithm is applied for two area LFC system with using an output feedback controller. In ...
  • CATRENE-PANAMA project review June 2010 

    González Jiménez, José Luis; Dufis, Cédric Yvan (2010-06-03)
    External research report
    Restricted access - confidentiality agreement
    Informe de progrés del projecte Europeu CATRENE-PANAMA sobre les tasques desenvolupades per el grup de recerca HiPICS de la UPC
  • Circuit model for mode conversion in coplanar waveguide assymmetric series-impedances 

    Ribó i Pal, Miquel; Cruz Romero, Janill Marie de la; Pradell i Cara, Lluís (Institution of Electrical Engineers, 1999-10)
    Article
    Open Access
    A new 'circuit model' for converting between even and odd modes in asymmetric series impedances in the ground plane of a coplanar waveguide is presented. The model is based on the separation of modes into two input and two ...
  • Comparison of cell selection methods for modular multilevel converters 

    Antonio Ferreira, Abel; Gomis Bellmunt, Oriol (2016)
    Conference report
    Restricted access - publisher's policy
    The modular multilevel-based power converters (MMC) are very interesting solutions for high power transmission over large distances. The modularity of the converter is achieved by cascading individual and low voltage rated ...
  • Crystalline silicon solar cells beyond 20% efficiency 

    Alcubilla González, Ramón; García Molina, Francisco Miguel; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Orpella García, Alberto; Martín García, Isidro; Colina, M.; Voz Sánchez, Cristóbal; Bermejo Broto, Sandra; Puigdollers i González, Joaquim (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
    Conference report
    Open Access
    —This paper describes a fabrication process to obtain high efficiency c-Si cells (> 20%) based on the Laser Fired Contact Passivated Emitter Rear Cell (LFC-PERC) concept. Photovoltaic efficiencies beyond 20% have ...
  • Dancing sprites: detailed analysis of two case studies 

    Soula, Serge; Mlynarczyk, Janusz; Fullekrug, Martin; Pineda Rüegg, Nicolau; Georgis, Jean-Francois; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Fabró Tàpia, Ferran (2017-03-27)
    Article
    Open Access
    On 29–30 October 2013, a low-light video camera installed at Pic du Midi (2877¿m), recorded transient luminous events above a very active storm over the Mediterranean Sea. The minimum cloud top temperature reached -73°C, ...
  • DcDc converter per a la connexió entre diferents fonts d'energia i el bus de potència d'un vehicle elèctric 

    Odena Paloma, Mireia (Universitat Politècnica de Catalunya, 2018-04-27)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Desenvolupament d'una GUI en Python per controlar una placa de desenvolupament de d'Internet de les coses 

    Casanovas Paulet, Lluís (Universitat Politècnica de Catalunya, 2017-02)
    Master thesis (pre-Bologna period)
    Open Access
    Aquest projecte té com a objectiu la creació d'una aplicació GUI (Graphic User Interface, o interfície gràfica) per interaccionar amb una placa de desenvolupament TD1204 i accedir a les seves funcions des d'un entorn ...
  • Design and development of an anemometer for a connected weather station 

    Torrents Morera, Jofre (Universitat Politècnica de Catalunya, 2017-02)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
  • Design and implementation of an LCL DC/DC converter prototype for DC grids 

    Ferrer San José, Ricard; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Colas, Frederic; Marin, Daniel; Guillaud, Xavier; Hajian, Masood; Nguefeu, Samuel (2017)
    Conference report
    Restricted access - publisher's policy
    This paper is focused on the design and implementation of an LCL DC/DC converter prototype. This inductor-capacitor-inductor (LCL) topology offers some promising properties as fault tolerant capability for DC grids, being ...
  • Design, operation, modeling and grid integration of power-to-gas bioelectrochemical systems 

    Muñoz Aguilar, Raúl Santiago; Molognoni, Daniele; Bosch Jiménez, Pau; Borràs, Eduard; Pirriera, Monica Della; Luna Alloza, Álvaro (2018-08-01)
    Article
    Open Access
  • Deterministic and Probabilistic Assessment of the Impact of the Electrical Vehicles on the Power Grid 

    Valsera Naranjo, Eduardo; Sumper, Andreas; Lloret Gallego, Pau; Villafafila Robles, Roberto; Sudrià Andreu, Antoni (2010-03-23)
    Conference report
    Open Access
    This paper analyzes the impact of the charge of EVs(Electrical Vehicles) on a power grid. In order to simulate the behavior of the EV charging on the grid a model of its battery has been found (EV’s charging curve). As the ...
  • Disseny d'un sistema de gestió d'energia per a una vivenda unifamiliar 

    Aragonès Tena, Guifré (Universitat Politècnica de Catalunya, 2017-05)
    Bachelor thesis
    Open Access
    Covenantee:  Condensadores industriales
    El canvi climàtic és una realitat cada cop més acceptada, malgrat això és difícil generar en la població una actitud activa al respecte. És important seguir innovant i generar eines que puguin arribar al màxim de persones ...