Ara es mostren els items 69-88 de 88

    • Realization of a 10 kW MES power to methane plant based on unified AC/DC converter 

      Shahparasti, Mahdi; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Bosch, Pau; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
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      This paper presents a galvanic isolated multi output AC/DC topology that is suitable for Microbial electrosynthesis (MES) based Power to Methane energy storage systems. The presented scheme utilizes a three phase back to ...
    • Remote power control injection of grid-connected power converters based on virtual flux 

      Roslan, Nurul Fazlin; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2018-02-26)
      Article
      Accés obert
      Renewable Energy Source (RES)-based power plants need to control the active and reactive power at the Point of Common Connection (PCC) with the grid, in order to comply with the requirements of the Transmission System ...
    • Remote power control strategy based on virtual flux approach for the grid tied power converters 

      Fazlin Roslan, Nurul; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
      Accés obert
      The control of active and reactive power for the Renewable Energy Sources (RES) based power plants are very important. The injection of active and reactive power to the grid is normally controlled at the Point of Common ...
    • Safe transient operation of microgrids based on master-slave configuration 

      Azevedo, Gustavo M.S.; Bradaschia, F.; Calvancanti, M; Neves, F.; Rodríguez Cortés, Pedro; Rocabert Delgado, Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Master-Slave configuration is a suitable alternative to droop control method used in microgrids. In this configuration, only one inverter is the master, while the others are slaves. The slave inverters are always current ...
    • 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)
      Comunicació de congrés
      Accés obert
      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. ...
    • SISTEMES ELÈCTRICS (Examen 1r quadrimestre, 1r parcial) 

      Luna Alloza, Álvaro; Rocabert Delgado, Joan (Universitat Politècnica de Catalunya, 2011-11-02)
      Examen
      Accés restringit a la comunitat UPC
    • SISTEMES ELÈCTRICS (Examen 1r quadrimestre, 2n parcial) 

      Luna Alloza, Álvaro; Rocabert Delgado, Joan (Universitat Politècnica de Catalunya, 2011-11-02)
      Examen
      Accés restringit a la comunitat UPC
    • Smart AC storage based on microbial electrosynthesis stack 

      Shahparasti, Mahdi; Rocabert Delgado, Joan; Muñoz, Raul Santiago; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
      Accés obert
      In this paper, a variable and smart energy storage system, consisting on a two-level voltage source converter with LCL filter and Microbial Electrosynthesis (MES) stack, is presented. This energy storage system is able to ...
    • Storage system requirements for grid supporting PV-power plants 

      Gavriluta, Catalin; Candela García, José Ignacio; Rocabert Delgado, Joan; Etxeberria Otadui, Ion; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Large penetration of renewable energy is currently attenuated by concerns regarding their impact on the controllability and reliability of the electrical system. As the inclusion of energy storage is to a great extent the ...
    • Supporting phase stability on interconnected grids by synchronous renewable virtual power plants 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Hermoso Costa, Juan Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      Rapid growing on the power level of renewable generation units leads to that using more adaptable and flexible control techniques in this units becomes more important for grid operators. In this paper, after introducing ...
    • Synchronous frequency support of photovoltaic power plants with inertia emulation 

      Verdugo Retamal, Cristian Andrés; Tarraso Martínez, Andrés; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      Grid stability is one of the main concerns in renewable energies. The lack of inertia and their low capability to provide frequency support has created the need for implementing new control strategies to solve this problem. ...
    • Synchronous power control for PV solar inverters with power reserve capability 

      Tarrasó, Andres; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      The increasing penetration of renewable energy systems force the grid-connected power converters to use advanced active power controls, which needs to add more functionalities to their control strategies. A power reserve ...
    • Synchronous power control of grid-connected power converters under asymmetrical grid fault 

      Zhang, Weiyi; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2017-07-01)
      Article
      Accés obert
      Control of grid-connected power converters is continuously developing to meet the grid codes, according to which the generation units should keep connected to the grid and further provide ancillary services, such as voltage ...
    • Synchronous power controller merits for dynamic stability improvement in long line by renewables 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Hermoso Costa, Juan Ramón (2016)
      Text en actes de congrés
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    • Synchronous power controller with flexible droop characteristics for renewable power generation systems 

      Zhang, Weiyi; Mir Cantarellas, Antonio; Rocabert Delgado, Joan; Luna Alloza, Álvaro; Rodriguez, Pedro (2016-10-01)
      Article
      Accés obert
      The increasing amount of renewable power generation systems is a challenging issue for the control and operation of the electrical networks. One of the main issues is their lack of inertia, which is becoming a greater ...
    • Three-level three-phase neutral-point-clamped back-to-back converter applied to a wind emulator 

      Calle Prado, Alejandro; Rocabert Delgado, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Peracaula Roura, Joan (2009)
      Comunicació de congrés
      Accés obert
      This paper presents a three-level three- phase neutral-point-clamped back-to-back converter applied to a wind emulator, where a wind power generator is connected to the grid through the back-to-back converter. The converter ...
    • Three-level three-phase neutral-point-clamped back-to-back converter applied to a wind emulator 

      Calle Prado, Alejandro; Rocabert Delgado, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Peracaula Roura, Joan (2009-09)
      Comunicació de congrés
      Accés obert
      This paper presents a three-level three-phase neutral-point-clamped back-to-back converter applied to a wind emulator, where a wind power generator is connected to the grid through the back-to-back converter. The converter ...
    • Three-phase custom power active transformer for power flow control applications 

      Atef Abbas Elsaharty, Mohamed; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2018-06-08)
      Article
      Accés obert
    • Voltage feed-forward performance in stationary reference frame controllers for wind power applications 

      Ma, Lin; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Córcoles López, Felipe; Rodríguez Cortés, Pedro (IEEE, 2011)
      Text en actes de congrés
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      In order to improve the connected current and the response speed of the controller, stationary reference frame control strategy with proportional resonant (P-R) controller due to its high dynamic and good harmonic ...
    • Voltage quality improvement of microgrids under islanding mode 

      Azevedo, Gustavo; Rodríguez Cortés, Pedro; Rocabert Delgado, Joan; Calvancanti, M; Neves, F (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      This paper proposes a control strategy to reduce the voltage unbalance in microgrids. The voltage unbalance compensation is achieved by injection of a proper negativesequence current into the microgrid. This task can ...