Enviaments recents

  • Stability analysis of a grid-connected VSC controlled by SPC 

    Marin, Leonardo; Tarrasó, Andres; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2018)
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    In the near future a large part of traditional generation based on conventional synchronous machines (SM) will be replaced by renewable generation based on voltage source converters (VSC). In this sense, power system ...
  • Multilevel single phase isolated inverter with reduced number of switches 

    Verdugo Retamal, Cristian Andrés; Candela García, José Ignacio; Atef Abbas Elsaharty, Mohamed; Rodríguez Cortés, Pedro (2018)
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    This paper proposes a cascaded single phase multilevel inverter using an off-the-shelf three-phase inverter and transformer. The concept is based on a cascaded connection of two inverter legs using a typical three phase ...
  • 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)
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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 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)
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    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 ...
  • Stability analysis of a droop-controlled grid-connected VSC 

    Marin, Leonardo; Tarrasó, Andres; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2018)
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    Accés obert
    In this paper a small signal stability analysis of a reverse droop-controlled grid-connected voltage source converter has been performed. The analysis includes the getting of a state-space representation of the system and ...
  • Integrated series transformer in cascade converters for photovoltaic energy systems 

    Verdugo Retamal, Cristian Andrés; Atef Abbas Elsaharty, Mohamed; Rodríguez Cortés, Pedro (2018)
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    This paper proposes a novel configuration for photovoltaic applications based on a cascade converter topology. The series connection between modules is achieved through the magnetic core of the integrated series transformer, ...
  • Start-up of virtual synchronous machine: methods and experimental comparison 

    Zhang, Weiyi; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2018)
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    A modern grid is smarter mainly in the advance in information and communication technologies, while the power processing mechanism does not make a big difference. To make a modern grid smarter, the grid control should be ...
  • Smart AC storage based on microbial electrosynthesis stack 

    Shahparasti, Mahdi; Rocabert Delgado, Joan; Muñoz, Raul Santiago; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2018)
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    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 ...
  • Fuzzy gain scheduling based grid synchronization system responsive to the electrical network conditions 

    Rouzbehi, Kumars; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Catalán, Pedro; Rodríguez Cortés, Pedro (2018)
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    In power conversion applications grid synchronization systems should face very different network operating conditions such as: generic grid connection, faulty or distorted scenarios or islanded conditions among others. ...
  • Impedance source interlinking converter for microbial electrosynthesis energy storage applications 

    Shahparasti, Mahdi; Rocabert Delgado, Joan; Muñoz, Raul Santiago; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2018)
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    In this paper, a new type of single-stage interlinking converters for Microbial Electrosynthesis (MES) energy storage applications connected to the three-phase grid is presented, in which impedance source network (ZSN) is ...
  • Flexible mobile fronthaul with coherent UDWDM-PON 

    Segarra Mullerat, Josep; Sales Zaragoza, Vicente; Prat Gomà, Josep Joan (2018)
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    Accés restringit per política de l'editorial
    Ultra Dense Wavelength Division Multiplexing (UDWDM) has been proposed for future Passive Optical Networks (PONs) to support the increase of access traffic, furnishing an improved capacity while introducing point-to-point ...
  • Evaluation of a state observer for frequency estimation in a grid tied photovoltaic inverter 

    Cabrera Tobar, Ana; Gomis Bellmunt, Oriol; Carrasco, Juan A.; Barnes, Mike (2018)
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    Accés restringit per política de l'editorial
    Ahstract-A phase locked loop (PLL) is commonly used to measure the electrical frequency deviations in PV grid tied inverters. However, this control is affected by sudden changes of power that usually happens with this type ...

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