Now showing items 1-12 of 12

  • An approach to the performance-oriented model of variable-speed wind turbines 

    Rolán Blanco, Alejandro; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Aguilar Galván, Daniel; Vázquez Guzmán, Gerardo (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference lecture
    Open Access
    The aim of this work is to give an approach to the Performance-Oriented Model of Variable-Speed Wind turbines (VSWTs) equipped with permanent magnet synchronous generator (PMSG), and compare it to the component-oriented model. ...
  • Behaviour of the doubly fed induction generator exposed to unsymmetrical voltage sags 

    Rolán Blanco, Alejandro; Córcoles López, Felipe; Pedra Durán, Joaquim (2012-09)
    Article
    Restricted access - publisher's policy
    This study analyses the dynamic behaviour of the doubly fed induction generator exposed to unsymmetrical voltage sags, providing insights into wind turbine fault ride-through capability. The sags are assumed to be caused ...
  • Control strategies for DFIG wind turbines under grid fault conditions 

    Luna Alloza, Álvaro; Rolán Blanco, Alejandro; Medeiros, G.; Rodríguez Cortés, Pedro; Teodorescu, R. (2009)
    Conference lecture
    Open Access
    The classical control techniques for regulating the active and reactive power delivery in doubly fed induction generators (DFIG), for wind power applications, are normally based on voltage oriented control (VOC) strategies. ...
  • Desenvolupament de recursos per a la creació i gestio de material docent orientat a l’aprenentatge actiu que faciliti l’adaptació d’assignatures tècniques a l’EEES i la seva aplicació a l’ensenyament de circuits elèctrics 

    Bogarra Rodríguez, Santiago; Font Piera, Antonio; Alabern Morera, Francesc Xavier; Rodríguez Cortés, Pedro; Grau Gotés, Mª Ángela; Pallarés Viña, Miguel Juan; Rocabert Delgado, Joan; Rolán Blanco, Alejandro; García Espinosa, Antonio (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-06-04)
    Conference lecture
    Open Access
    L'autoaprenentatge i l’autoavaluació d’assignatures tècniques requereixen eines de càlcul que no estan disponibles dintre del campus virtual ATENEA, per aquest motiu s’ha incorporat al campus virtual de la UPC el software ...
  • Desenvolupament de recursos per a la creació i gestió de material docent orientat a l’aprenentatge actiu que faciliti l’adaptació d’assignatures tècniques a l'EEES i la seva aplicació a l’ensenyament de circuits elèctrics 

    Bogarra Rodríguez, Santiago; Font Piera, Antonio; Alabern Morera, Francesc Xavier; Rodríguez Cortés, Pedro; Grau Gotés, Mª Ángela; Pallarés Viña, Miguel Juan; Rocabert Delgado, Joan; Rolán Blanco, Alejandro; García Espinosa, Antonio; Marsó Riera, Arnau; Jaime Salillas, Francisco; Tarrés Soler, Mireia (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-02-11)
    Conference lecture / Conference report
    Open Access
    L'autoaprenentatge i l’autoavaluació d’assignatures tècniques requereixen eines de càlcul que no estan disponibles dintre del campus virtual ATENEA, per aquest motiu s’ha incorporat al campus virtual de la UPC el software ...
  • Doubly fed induction generator subject to symmetrical voltage sags 

    Rolán Blanco, Alejandro; Córcoles López, Felipe; Pedra Durán, Joaquim (2011-12)
    Article
    Restricted access - publisher's policy
    The aim of this paper is to analyze the dynamic behavior of the doubly fed induction generator (DFIG) subject to symmetrical voltage sags caused by three-phase faults. A simple control algorithm is considered and assumed ...
  • Estudio del efecto de los huecos de tensión en el generador de inducción doblemente alimentado 

    Rolán Blanco, Alejandro (Universitat Politècnica de Catalunya, 2012-02-17)
    Doctoral thesis
  • Losses and CMV evaluation in transformerless grid-connected PV topologies 

    Vázquez Guzmán, Gerardo; Kerekes, Tamas; Rolán Blanco, Alejandro; Aguilar Gaván, Daniel; Luna Alloza, Álvaro; Acevedo, Gustavo (2009)
    Conference lecture
    Open Access
    Controlling the thermal losses in the semiconductors ~s well. as the Co~mon Mode Voltage (CMV), are important Issues In the design of power electronics converters for photovoltaic applications. At present time there are ...
  • Modeling and simulation of synchronous machine and its behaviour against voltage sags 

    Aguilar Gaván, Daniel; Luna Alloza, Álvaro; Rolán Blanco, Alejandro; Vázquez Guzmán, Gerardo; Acevedo, Gustavo (2009)
    Conference lecture
    Open Access
    This paper studies the effects of voltage sags (dips), both symmetrical and unsymmetrical, on the three-phase Synchronous Machine (SM). The vast majority of the electrical power generation systems in the world is consist ...
  • Modeling of a variable speed wind turbine with a permanent magnet synchronous generator 

    Rolán Blanco, Alejandro; Luna Alloza, Álvaro; Vázquez Guzmán, Gerardo; Aguilar Gaván, Daniel; Acevedo, Gustavo (2009)
    Conference lecture
    Open Access
    The aim of this work is to analyze a typical configuration of a Wind Turbine Generator System (WTGS) equipped with a Variable Speed Generator. Nowadays, doublyfed induction generators are being widely used on WTGS, although ...
  • On fixed-speed WT generator modeling for rotor speed stability studies 

    Pedra Durán, Joaquim; Córcoles López, Felipe; Monjo Mur, Lluís; Bogarra Rodríguez, Santiago; Rolán Blanco, Alejandro (2012-01-20)
    Article
    Restricted access - publisher's policy
    This paper analyzes fixed-speed induction generator modeling oriented to rotor speed stability studies. The single- and double-cage models are compared. The effects of symmetrical voltage sags on generator behavior are ...
  • Simulation of wound rotor synchronous machine under voltage sags 

    Aguilar Galván, Daniel; Vázquez Guzmán, Gerardo; Rolán Blanco, Alejandro; Rocabert Delgado, Joan; Córcoles López, Felipe; Rodríguez Cortés, Pedro (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference lecture
    Open Access
    This paper presents a study of the Wound Rotor Synchronous Machine (SM) stability under voltage sags (dips). Machine behavior has been analyzed by considering different magnitudes (or depths) and duration of the sag. ...