Ara es mostren els items 1-20 de 59

    • 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)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      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 sensor-less sliding mode control scheme for a stand-alone wound rotor synchronous generator under unbalanced load conditions 

      Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro; Dòria Cerezo, Arnau; Candela García, José Ignacio; Luna Alloza, Álvaro (2004-09)
      Article
      Accés restringit per política de l'editorial
      This paper presents a sliding mode control for a wound rotor synchronous machine acting as an isolated generator connected to an unbalanced load. In order to simplify the control methodology, the standard dq-model of the ...
    • A simplified model for wind turbine based on doubly fed induction generator 

      Lima, F. K. A.; Watanabe, Edson H.; Rodríguez Cortés, Pedro; Luna Alloza, Álvaro (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Improving the Fault Ride Through capability (FRT) of Doubly Fed Induction Generators (DFIG) in wind power applications is a very important challenge for wind power industry. The mathematical models of such generators ...
    • A sliding mode control for a wound rotor synchronous generator with an isolated RL load 

      Muñoz Aguilar, Raúl Santiago; Dòria Cerezo, Arnau; Fossas Colet, Enric (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Comunicació de congrés
      Accés obert
      In this paper a sliding mode controller for the stator voltage amplitude of a stand-alone wound rotor synchronous generator is presented. The standard dq-model of the electrical machine connected to an isolated inductive ...
    • Active current control in wind power plants during grid faults 

      Martínez Navarro, Jorge; Kjaer, P. C.; Rodríguez Cortés, Pedro; Teodorescu, Remus (2010-11)
      Article
      Accés restringit per política de l'editorial
      Modern wind power plants are required and designed to ride through faults in electrical networks, subject to fault clearing. Wind turbine fault current contribution is required from most countries with a high amount of ...
    • Adaptación de impedancias mediante redes selectivas 

      Mariño Acebal, José Bernardo (1974-06)
      Article
      Accés obert
    • Aggregated model of a distributed PV plant using the synchronous power controller 

      Remón, D.; Mir Cantarellas, Antonio; Nieto, Juan Diego; Zhang, Weiyi; Rodríguez Cortés, Pedro (2015)
      Text en actes de congrés
      Accés obert
      Power plants employing renewable energy sources connected to large power systems continue increasing their number and size. PV and wind farms are a clear example of this trend. They employ power electronics in order to ...
    • Alternativa al uso de generadores diésel en líneas eléctricas mt/bt 

      Cabrera Mogino, Marcos (Universitat Politècnica de Catalunya, 2019-07-03)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
    • 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)
      Comunicació de congrés
      Accés obert
      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. ...
    • An optimal tracking power sharing controller for inverter-based generators in grid-connected mode 

      Patarroyo Montenegro, Juan; Castellà Rodil, Marc; Andrade Rengifo, Fabio; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis; Vasquez-Plaza, Jesus D. (2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work, an optimal power sharing controller for a three-phase Inverter-based Generator (IG) in a synchronous d-q reference frame is presented. The optimization of this controller is computed using a Linear-Quadratic ...
    • Analysis of harmonic distortion influence in a distributed synchronous generator 

      Casimiro, Renan; Albernaz Lacerda Freitas, Vinícius; Pavanello Bataglioli, Rodrigo; Coury, Denis V. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      In conventional electrical systems, the generators are located far from the load centers. However, considering the distributed generation, the impact of harmonic distortion in the generators cannot be neglected.Thus, this ...
    • Anàlisi del comportament dinàmic d'un aerogenerador flotant offshore 

      Perelló Noceras, Joan Antoni (Universitat Politècnica de Catalunya, 2012-06-29)
      Tesina
      Accés obert
      [ANGLÈS] The overall trend of the wind energy industry to the off shore sector requires the study of new technologies for exploiting these renewable energy sources. The installation of wind farms in deeper water to improve ...
    • Anàlisi econòmic d'una virtual power plant 

      Palma Martí, Narcís (Universitat Politècnica de Catalunya, 2014-06-11)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      En el present treball es simula una Virtual Power Plant (VPP) per analitzar-ne els aspectes econòmics, fundamentalment mitjançant el Levelized Cost of Energy (LCOE). En primer lloc es presenten les diferents generacions ...
    • Anàlisis d’un sistema d’energia renovable basat en un dish Stirling 

      Villà Sabé, Èric (Universitat Politècnica de Catalunya, 2016-06-23)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Escola Tècnica Superior d'Enginyeria Industrial de Barcelona
      L’any 2015 li concedeixen a la Universitat Autònoma de Barcelona (UAB) un projecte europeu DIDSOLIT finançat per la UE, per avaluar el cost-benefici d’un sistema d’energia renovable. Davant d’aquest escenari, la UAB es va ...
    • Assessment of unintentional islanding operations in distribution networks with large induction motors 

      Casals Torrens, Pau; Martinez Velasco, Juan A.; Serrano Fontova, Alexandre; Bosch Tous, Ricardo (2020-01-10)
      Article
      Accés obert
      This paper is aimed at assessing the impact of unintentional islanding operations (IOs) in the presence of large induction motors (IMs) within distribution networks (DNs). When a fault occurs,followingthecircuitbreaker(C ...
    • Automatización con I/O distribuidas y desarrollo del SCADA: aplicación para el control de un generador de Marx 

      Lima Gomez, Alberto (Universitat Politècnica de Catalunya, 2015-10)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
    • Detailed off-line parameter identification of synchronous generator based on frequency response tests 

      Bogarra Rodríguez, Santiago; García Espinosa, Antonio; Moreno Eguilaz, Juan Manuel; Riba Ruiz, Jordi-Roger (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés obert
      This work presents a general methodology, based on standstill frequency response tests. Once the circuit topology is chosen, it allows a systematic calculation of the circuit parameters for a salient pole synchronous ...
    • Diseño de un generador síncrono para aplicación en eólica de baja potencia 

      Kasmi, Hicham (Universitat Politècnica de Catalunya, 2019-07-16)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
    • Energía y parámetros en generadores de impulso de corriente para 100 kA 

      Montañá Puig, Juan (2001)
      Comunicació de congrés
      Accés restringit per decisió de l'autor
      En los equipos para ensayos de impulso de corriente, un parámetro fundamental para el dimensionamiento de estos es la energía aportada al ESE (Equipo Sometido a Ensayo) la cual tendrá que ser previamente almacenada en ...
    • Estrategias de control para sistemas de generación distribuida durante huecos de tensión 

      Camacho Santiago, Antonio (Universitat Politècnica de Catalunya, 2015-07-17)
      Tesi
      Accés obert
      The objective of this thesis is the development of control strategies for distributed generation systems during voltage sags. The proposed control strategies present different options to improve the behavior of inverters ...