Now showing items 1-19 of 19

    • Apunts de Màquines elèctriques 

      Galceran Arellano, Samuel; Rull Duran, Joan (Universitat Politècnica de Catalunya, 2016)
      Lecture notes
      Open Access
    • Circuits elèctrics 

      Boix Aragonès, Oriol; Rull Duran, Joan (Edicions UPC, 2001)
      Book
      Open Access
      Presentem un text de teoria de circuits pensat com a eina d'estudi per a estudiants universitaris de titulacions no elèctriques. El contingut comprèn des de circuits en corrent continu fins a sistemes trifàsics en règim ...
    • Circuits elèctrics 

      Boix Aragonès, Oriol; Rull Duran, Joan (Edicions UPC, 1996)
      Book
      Open Access
      Aquest text de teoria de circuits ha estat concebut com a eina d'estudi per a estudiants universitaris de titulacions no elèctriques. El contingut comprèn des de circuits en corrent continu fins a sistemes trifàsics en ...
    • High-accuracy all-digital resolver-to-digital conversion 

      Bergas Jané, Joan Gabriel; Ferrater Simón, María Misericordia; Gross, Gabriel Igor; Ramírez Pisco, Rodrigo; Galceran Arellano, Samuel; Rull Duran, Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-04-19)
      Article
      Restricted access - publisher's policy
      In this article, a high-accuracy all-digital resolverto- digital converter is presented. The two basic components of a conventional tracking R/D converter, the phase detector and the loop filter, are software implemented ...
    • Instal·lacions elèctriques 

      Boix Aragonès, Oriol; Rull Duran, Joan (Edicions UPC, Universitat Politècnica de Catalunya, 1996)
      Book
      Open Access
      Presentem un text d'instal·lacions elèctriques pensat com a eina d'estudi per a estudiants universitaris de titulacions no elèctriques. S'inicia el desenvolupament amb temes referents al càlcul i protecció de les instal·lacions; ...
    • La superconductividad: un potencial muy atractivo 

      Lloret Gallego, Pau; Molas Balada, Lluís; Villafafila Robles, Roberto; Sudrià Andreu, Antoni; Rull Duran, Joan; Sumper, Andreas (Grupo Tecnipublicaciones, 2008-02)
      Article
      Restricted access - publisher's policy
      La superconductividad es la capacidad que poseen ciertos materiales de presentar una resistencia al paso de la electricidad prácticamente nula en determinadas condiciones. Así, las pérdidas de energía son cercanas a cero, ...
    • Màquines elèctriques 

      Boix Aragonès, Oriol; Rull Duran, Joan (Edicions UPC, Universitat Politècnica de Catalunya, 1996)
      Book
      Open Access
      S'ha volgut donar un tractament tan simple com ha estat possible intentant abastar les tipologies de màquines més freqüents. Així s'han obviat les demostracions conduents a l'obtenció d'alguns esquemes equivalents pensant ...
    • Optimization of surge arrester locations in overhead distribution networks 

      Bullich Massagué, Eduard; Sumper, Andreas; Villafafila Robles, Roberto; Rull Duran, Joan (2015-04-01)
      Article
      Open Access
      Lightning is considered one of the main causes of faults in overhead distribution networks. Direct strokes usually lead to flashovers due to the insulation levels that are used. Induced overvoltages caused by indirect ...
    • Passive and Active Methods of Islanding for PV systems 

      Skocil, Tomas; Gomis Bellmunt, Oriol; Montesinos Miracle, Daniel; Galceran Arellano, Samuel; Rull Duran, Joan (2009)
      Conference lecture
      Open Access
      This paper presents a review of some techniques for islanding detection, especially by using inverter based DG applications and it also focuses on several islanding detection methods for a single- phase current-control ...
    • Performance of fixed speed wind turbines under system frequency deviations 

      Sumper, Andreas; Gomis Bellmunt, Oriol; Sudrià Andreu, Antoni; Villafafila Robles, Roberto; Rull Duran, Joan (2010-04)
      Conference lecture
      Open Access
      This paper studies the impact of system frequency deviations on the operation of fixed speed induction generators used in wind turbine generation systems(WTGS). It presents an analytic method to predict the angular speed, ...
    • Power electronics improving 3-Wire DC railways electrification 

      Rull Duran, Joan; Bergas Jané, Joan Gabriel; Galceran Arellano, Samuel; Sumper, Andreas; Coves Moreno, Jordi (2009)
      Conference lecture
      Open Access
      Urban DC railway substations are growing in size due increasing capacity demand. Several challenges associated with the increase of power demand can be met using power electronics. The proposed system is based on ...
    • Problemes de modelat magnètic i conversió electromecànica 

      Galceran Arellano, Samuel; Rull Duran, Joan (Universitat Politècnica de Catalunya, 2016)
      Problem statement, exercise
      Open Access
    • Sensorless control of a power converter for a cluster of small wind turbines 

      Egea Álvarez, Agustí; Araguees Penalba, Monica; Gomis Bellmunt, Oriol; Rull Duran, Joan; Sudrià Andreu, Antoni (2016-05-01)
      Article
      Open Access
      This study presents a new sensorless control for small wind turbine clusters with a single power converter with a direct torque control algorithm. The proposed system consists of a wind farm connected to a back-to-back ...
    • Sessions de laboratori de Màquines elèctriques 

      Galceran Arellano, Samuel; Rull Duran, Joan (Universitat Politècnica de Catalunya, 2016)
      Practice
      Open Access
    • Sistemas fotovoltaicos conectados a la red eléctrica 

      Villafafila Robles, Roberto; Rull Duran, Joan; Galceran Arellano, Samuel; Montesinos Miracle, Daniel; Gross, Gabriel Igor (Grupo Tecnipublicaciones, 2010-04)
      Article
      Restricted access - publisher's policy
      Las instalaciones solares fotovoltaicas para la producción de electricidad han tenido un crecimiento exponencial muy acusado apoyadas en un marco retributivo muy favorable. Esta vertiginosa evolución conlleva que en su ...
    • Statistical study of resonance in AC traction systems equipped with Steinmetz circuit 

      Monjo Mur, Lluís; Sainz Sapera, Luis; Rull Duran, Joan (2013-10)
      Article
      Restricted access - publisher's policy
      AC traction systems can be 25 kV/50 Hz single-phase, non-linear, time-varying loads of random naturecausing unbalance and distortion of the supply voltages. To reduce voltage unbalance, thyristor controlledreactances are ...
    • The CDMtek-PM: An educational platform for learning about motion control and electrical drives 

      Armero Almazán, Pablo; Montesinos Miracle, Daniel; Galceran Arellano, Samuel; Rull Duran, Joan; Villafafila Robles, Roberto; Boix Aragonès, Oriol (2014)
      Conference report
      Restricted access - publisher's policy
      The module CDMtek-PM has been developed with the needs of the electrical engineering students in mind. It is intended to serve as a platform to begin to consolidate the theoretical knowledge learned during the classes by ...
    • Transition to a greener power sector: Four different scopes on energy security 

      Villafafila Robles, Roberto; Olivella Rosell, Pol; Rull Duran, Joan; Galceran Arellano, Samuel; Fuentes Ruiz, Sergio (Elsevier, 2020-06-01)
      Article
      Restricted access - publisher's policy
      Energy transitions have placed the power system in the center of the energy agenda, since electricity constitutes a bridge between renewable resources and the decarbonization of the global economy. Therefore, due to ...
    • Understanding the three and four-leg inverter Space Vector 

      Llonch Masachs, Marc; Heredero Peris, Daniel; Montesinos Miracle, Daniel; Rull Duran, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference lecture
      Open Access
      This paper shows a new point of view of the classical voltage space vectors and its implications on three and four-leg converters. It is easy to find in the literature, authors using bi-dimensional and threedimensional ...