Now showing items 1-20 of 30

    • A single leg switched PWM method for three-phase H-bridge voltage source converters 

      Senturk, Osman S.; Munk-Nielsen, Stig; Teodorescu, Remus; Helle, Lars; Rodríguez Cortés, Pedro (2009)
      Conference lecture
      Open Access
      This paper proposes a single leg switched or a hybrid PWM (HPWM) method for three-phase three-level HBridge Voltage Source Converters (3L-HB-VSCs). By means of the proposed modulation, a 3L-HB-VSC can generate the ...
    • An active power self-synchronizing controller for grid-connected converters emulating inertia 

      Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Renewable energy sources are increasing their penetration in power systems, making necessary new control systems that offer services usually provided only by conventional generators. In this paper, an active power controller ...
    • An active power synchronization control loop for grid-connected converters 

      Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      The increasing penetration of renewable energy sources in power systems requires new control systems that provide services similar to those of conventional generators. This paper proposes an active power controller that ...
    • Aplicació de dispositius de transmissió AC flexibles per al suport a la xarxa elèctrica 

      Mora Cantallops, Marçal (Universitat Politècnica de Catalunya, 2009-05)
      Master thesis (pre-Bologna period)
      Open Access
      El present projecte s'emmarca dins el camp de les energies renovables (particularment l’eòlica), la tecnologia elèctrica i l’electrònica de potencia. L'elevada penetració de l'energia eòlica i la proliferació de nous ...
    • Control of Full-Scale Converter based Wind Power Plants for damping of low frequency system oscillations 

      Rodríguez Cortés, Pedro; Teodorescu, Remus; Adamczyk, Andrzej Grzegorz (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Conference report
      Restricted access - publisher's policy
      Damping of low frequency power oscillations is one of essential aspects of maintaining power system stability. In literature can be found publications on damping capability of Doubly Fed Induction Generator based wind ...
    • Control proposals for the operation of power converters in wind power systems 

      Luna Alloza, Álvaro; Aguilar, Daniel; Muñoz Aguilar, Raúl Santiago; Córcoles López, Felipe; Rodríguez Cortés, Pedro (IEEE, 2011)
      Conference report
      Open Access
      The wind turbines based on Doubly Fed Induction Generators (DFIG) represent almost the 60% of the installed windpower worldwide. Nowadays most of the existing algorithms, used for regulating the production of active and ...
    • Control strategies based on symmetrical components for grid-connected converters under voltage dips 

      Alepuz Menéndez, Salvador; Busquets Monge, Sergio; Bordonau Farrerons, José; Martínez Velasco, Juan Antonio; Silva, César A.; Pontt, Jorge; Rodríguez, José (2009-06)
      Article
      Open Access
      Low-voltage ride-through (LVRT) requirements demand wind-power plants to remain connected to the network in presence of grid-voltage dips. Most dips present positive-, negative-, and zero-sequence components. Hence, ...
    • Converter structure-based power loss and static thermal modeling of the press-pack IGBT-based three-level ANPC and HB VSCs applied to Multi-MW wind turbines 

      Senturk, Osman S.; Helle, L; Munk-Nielsen, Stig; Rodríguez Cortés, Pedro; Teodorescu, Remus (2010)
      Conference report
      Open Access
      In this study, the converter-structure based power loss and thermal models are developed for the medium voltage full-scale 3LANPC- VSC and 3L-HB-VSC utilizing press-pack IGBT-diode pairs and interfacing a 6MW wind ...
    • Disseny i modelització d'un convertidor de potència per al control d'un generador d'inducció 

      Yeh Chen, David; Obiols Pascual-Trenor, Santiago (Universitat Politècnica de Catalunya, 2016-06-23)
      Bachelor thesis
      Open Access
      Disseny, modelització i simulació d'una màquina d'inducció, dels seus convertidors i del seu sistema de control mitjançant un software específic de simulacions
    • Dynamic load mitigation for floating offshore wind turbines supported by structures with mooring lines 

      Luo, Ningsu; Pacheco Garcés, José Luis; Vidal Seguí, Yolanda; Zapateiro, Mauricio (2012)
      Conference lecture
      Open Access
      In recent years, the offshore wind industry has experienced significant growth with the installation of offshore wind farms in shallow water (such as in Denmark). However, almost all of offshore wind turbines to date are ...
    • Emulador d’un sistema eòlic connectat a la xarxa elèctrica amb tecnologia back-to-back de tres nivells 

      Calle Prado, Alejandro (Universitat Politècnica de Catalunya, 2008-09)
      Master thesis (pre-Bologna period)
      Open Access
      El present projecte final de carrera es situa dins de l’àmbit dels convertidors multinivell aplicats a la generació d’energia elèctrica a partir d’energia eòlica, particularment es centra en els convertidors de tres ...
    • Grid filter design for a multi-megawatt medium-voltage voltage source inverter 

      Rockhill, A.A.; Liserre, M.; Teodorescu, Remus; Rodríguez Cortés, Pedro (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-10-14)
      Article
      Open Access
      This paper describes the design procedure and performance of an LCL grid filter for a medium-voltage neutral point clamped (NPC) converter to be adopted for a multimegawatt wind turbine. The unique filter design challenges ...
    • Impedance analysis of harmonic resonance in HVDC connected Wind Power Plants 

      Sowa, Igor (Universitat Politècnica de Catalunya, 2016-07)
      Master thesis
      Open Access
      During the last years the development of HVDC connected offshore wind power plants increased. As the first wind farms of this type were commissioned, an unexpected phenomenon occurred. Electrical harmonic resonance in ...
    • Model predictive current control for high-power grid-connected converters with output LCL filter 

      Miranda, Hernan; Teodorescu, Remus; Rodríguez Cortés, Pedro; Helle, Lars (2009)
      Conference report
      Open Access
      A model predictive control strategy for a highpower, grid connected 3-level neutral clamped point converter is presented. Power losses constraints set a limit on commutation losses so reduced switching frequency is ...
    • Modeling and simulation of a grid connected PV system based on the evaluation of main PV module parameters 

      Chouder, Aissa; Silvestre Bergés, Santiago; Sadaoui, Nawel; Rahmani, Lazhar (2012-01)
      Article
      Restricted access - publisher's policy
      In this work we present a new method for the modeling and simulation study of a photovoltaic grid connected system and its experimental validation. This method has been applied in the simulation of a grid connected PV ...
    • Modelització i control d'un sistema de generació elèctrica de turbina de vent 

      Junyent Ferré, Adrià (Universitat Politècnica de Catalunya, 2007-06)
      Master thesis (pre-Bologna period)
      Open Access
      Aquest projecte tracta el desenvolupament d'un model dinàmic de simulació d'un sistema de generació de turbina de vent de velocitat variable amb aspes orientables i generador d'inducció doblement alimentat a través d'un ...
    • Modelització, disseny i control d'un generador eòlic utilitzant diferents metodologies de control 

      Renom Estragués, Ona (Universitat Politècnica de Catalunya, 2017-01-12)
      Bachelor thesis
      Open Access
      En aquest treball es presenta la modelització, disseny i control d’un generador eòlic d’inducció de tipus gàbia d’esquirol (SCIG) considerant diferents metodologies de control sobre aquest. Primerament, es realitza la ...
    • Multilink DC transmission systems for supergrid future concepts and wind power integration 

      da Silva, Rodrigo; Teodorescu, Remus; Rodríguez Cortés, Pedro (Curran, 2011)
      Conference report
      Restricted access - publisher's policy
      A possible methodology for the power sharing is based on DC voltage droop control at onshore station converters. The aim is to present an evaluation tool for the droop control parameter description in support of DC power ...
    • Novel on-site LVRT testing method for full converter wind turbines 

      Casas Turu, Josep Isidre; Massó Muratel, Santiago (Universitat Politècnica de Catalunya / Tongji University, 2013)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Tong ji da xue
      Low Voltage Ride-through (LVRT) capability is now required for all large-scale Wind Turbines (WTs) connected to the grid. This thesis presents an on-site LVRT testing method for full-scale converter WTs. The new method ...
    • Novel on-site LVRT testing method for full converter wind turbines 

      Massó Muratel, Santiago; Casas Turu, Josep Isidre (Universitat Politècnica de Catalunya / Tongji University, 2013)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Covenantee:   Tong ji da xue
      Low Voltage Ride-through (LVRT) capability is now required for all large-scale Wind Turbines (WTs) connected to the grid. This thesis presents an on-site LVRT testing method for full-scale converter WTs. The new method ...