Now showing items 1-20 of 52

    • 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
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference lecture
      Open Access
      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
      Restricted access - publisher's policy
      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
      Open Access
    • 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)
      Conference report
      Open Access
      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)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Estudiar diferentes alternativas que suplan el uso de generadores diésel en las averías de red eléctrica de media/baja tensión.
    • 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. ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • Anàlisi del comportament dinàmic d'un aerogenerador flotant offshore 

      Perelló Noceras, Joan Antoni (Universitat Politècnica de Catalunya, 2012-06-29)
      Minor thesis
      Open Access
      [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)
      Bachelor thesis
      Restricted access - author's decision
      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)
      Bachelor thesis
      Open Access
      Covenantee:   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
      Open Access
      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)
      Bachelor thesis
      Restricted access - author's decision
    • 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)
      Conference lecture
      Open Access
      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)
      Master thesis
      Restricted access - author's decision
    • Energía y parámetros en generadores de impulso de corriente para 100 kA 

      Montañá Puig, Juan (2001)
      Conference lecture
      Restricted access - author's decision
      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 ...
    • Estudi d'alternatives de generació d'energia amb materials piezoelèctrics en carreteres i plantejament conceptual d'una solució escalable 

      Vilà Gilabert, Joan Antoni (Universitat Politècnica de Catalunya, 2019-07-17)
      Master thesis
      Restricted access - author's decision
      Aquest present estudi redacta una possible solució d’un prototip escalable a partir d’una sèrie d’assajos realitzats amb una caracterització assimilable entre tots ells per tal de poder arribar a una conclusió prèvia, i ...
    • Estudi d'un aerogenerador amb màquina síncrona d'imants permanents 

      Sorli Herraiz, Alexis (Universitat Politècnica de Catalunya, 2015-04)
      Master thesis (pre-Bologna period)
      Open Access
      Aquest projecte desenvolupa un model dinàmic d’aerogenerador de velocitat variable amb pales orientables i generador síncron d’imants permanents, alimentat a través d’un convertidor de plena potència del tipus Back-To-Back ...
    • Estudio de los sistemas de control de la máquina síncrona de polos salientes 

      Cugota Canals, Manel (Universitat Politècnica de Catalunya, 2019-05-10)
      Bachelor thesis
      Open Access
      El objetivo del trabajo es realizar un control sobre la excitación de una máquina síncrona de polos salientes que se amolde de manera correcta a la normativa correspondiente. Posteriormente se ha procedido a la integración ...