Enviaments recents

  • Aprovechamiento de residuos de aluminio industrial para la obtención controlada de hidrógeno mediante la reacción aluminio-agua 

    Mujal Rosas, Ramón María (2016-12-14)
    Article
    Accés obert
    La aparición de vehículos que funcionan con pilas de combustible tipo PEM (membrana de intercambio de protones) plantea la necesidad de proporcionar hidrógeno de alta pureza de forma dosificada y a baja presión. ...
  • Virtual synchronous power strategy for multiple HVDC interconnections of multi-area AGC power systems 

    Rakhshani, Elyas; Remón Rodríguez, Daniel; Mir Cantarellas, Antoni; Martinez Garcia, Jorge; Rodríguez Cortés, Pedro (2016-07-20)
    Article
    Accés restringit per política de l'editorial
    Automatic Generation Control (AGC) in multi-area interconnected power systems is experiencing several adaptions due to increasing level of power converter based components in the system. The concept of Virtual Synchronous ...
  • Equivalent model of large-scale synchronous photovoltaic power plants 

    Remón Rodríguez, Daniel; Mir Cantarellas, Antoni; Rodríguez Cortés, Pedro (2016-08-09)
    Article
    Accés restringit per política de l'editorial
    The impact that power plants employing renewable energy sources have on power systems is no longer negligible due to the ever-increasing portion of the power share that these generation systems represent. Therefore, the ...
  • A unified current loop tuning approach for grid-connected photovoltaic inverters 

    Zhang, Weiyi; Remón Rodríguez, Daniel; Mir Cantarellas, Antonio; Rodríguez Cortés, Pedro (2016-09-01)
    Article
    Accés obert
    High level penetration of renewable energy sources has reshaped modern electrical grids. For the future grid, distributed renewable power generation plants can be integrated in a larger scale. Control of grid-connected ...
  • Unified reference controller for flexible primary control and inertia sharing in multi-terminal voltage source converter-HVDC grids 

    Rouzbehi, Kumars; Zhang, Weiyi; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2016-10-11)
    Article
    Accés obert
    Multi-terminal dc (MTDC) grids are expected to be built and experience rapid expansion in the near future as they have emerged as a competitive solution for transmitting offshore wind generation and overlaying their ac ...
  • Multiterminal DC grids: operating analogies to AC power systems 

    Rouzbehi, Kumars; Candela García, José Ignacio; Gharehpetian, Gevorg B.; Harnefors, Lennart; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2016-12-06)
    Article
    Accés restringit per política de l'editorial
    Nowadays, some Multi-terminal DC (MTDC) systems are in operation around the world. Soon, MTDC grids will be built and overlay the present AC grids. The main driver for the construction of such a grid is to facilitate ...
  • Centralized protection strategy for medium voltage DC microgrids 

    Monadi, Mehdi; Gavriluta, Catalin; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016-08-15)
    Article
    Accés obert
    This paper presents a centralized protection strategy for medium voltage dc (MVDC) microgrids. The proposed strategy consists of a communication-assisted fault detection method with a centralized protection coordinator and ...
  • A communication-assisted protection scheme for direct-current distribution networks 

    Monadi, Mehdi; Zamani, M. Amin; Koch-Ciobotaru, Cosmin; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016-05-27)
    Article
    Accés restringit per política de l'editorial
    One of the major issues associated with the implementation of direct-current distribution systems is the design of a proper protection scheme. The fault current characteristics in direct-current distribution systems are ...
  • Impedance-compensated grid synchronisation for extending the stability range of weak grids with voltage source converters 

    Suul, Jon Are; D'Arco, Salvatore; Rodríguez Cortés, Pedro; Molinas Cabrera, Marta (2016-05-12)
    Article
    Accés obert
    This paper demonstrates how the range of stable power transfer in weak grids with voltage source converters (VSCs) can be extended by modifying the grid synchronisation mechanism of a conventional synchronous reference ...
  • Sizing study of second life li-ion batteries for enhancing renewable energy grid integration 

    Saez-de Ibarra, Andoni; Martinez-Laserna, Egoitz; Stroe, Daniel-loan; Swierczynski, Maciej; Rodríguez Cortés, Pedro (2016-07-19)
    Article
    Accés obert
    Renewable power plants must comply with certain codes and requirements to be connected to the grid, being the ramp-rate compliance one of the most challenging requirements, especially for photovoltaic or wind energy ...

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