Enviaments recents

  • Reactive power management in an offshore AC network having multiple voltage source converters 

    Raza, Muhammad; Collados Rodríguez, Carlos; Gomis Bellmunt, Oriol (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Many offshore wind power plants are being developed every year at North and Baltic Sea. Combined energy transmission to shore instead of standalone is suitable from the prospective of environment and integrated European power ...
  • Impact of the DC cable models on the SVD analysis of a multi-terminal HVDC system 

    Akkari, Samy; Prieto-Araujo, E.; Jing, Dai; Gomis Bellmunt, Oriol; Guillaud, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    High Voltage Direct Current (HVDC) grids are complex Multi-Inputs Multi-Outputs (MIMO) systems whose dynamics are difficult to assess. This paper first describes the modelling of VSC-based Multi-Terminal HVDC systems (MTDC) ...
  • Smart grids for rural conditions and e-mobility - Applying power routers, batteries and virtual power plants 

    Boehner, Volker; Franz, P.; Hanson, J.; Gallart, R; Martínez, S.; Sumper, Andreas; Girbau-Llistuella, F. (2016)
    Text en actes de congrés
    Accés obert
    Significant reductions of greenhouse gas emission by use of renewable energy sources belong to the common targets of the European Union. Smart grids address intelligent use and integration of conventional and renewable ...
  • Increasing the hosting capacity of distribution grids by implementing residential PV storage systems and reactive power control 

    Camacho Rascón, O.; Schachler, B.; Bühler, Jochen; Resch, Matthias; Sumper, Andreas; von Ossietzky, Carl (2016)
    Text en actes de congrés
    Accés obert
    The rapidly increasing number of implemented photovoltaic (PV) systems in the German distribution grid in recent years has led to power quality issues due to the intermittent generation and reverse power flows in periods of ...
  • Understanding the three and four-leg inverter Space Vector 

    Llonch Masachs, Marc; Heredero Peris, Daniel; Montesinos Miracle, Daniel; Rull Duran, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Comunicació de congrés
    Accés obert
    This paper shows a new point of view of the classical voltage space vectors and its implications on three and four-leg converters. It is easy to find in the literature, authors using bi-dimensional and threedimensional ...
  • Adaptive discontinuous zero sequence signal for modular multilevel converter applications 

    Antonio Ferreira, Abel; Gomis Bellmunt, Oriol; Teixidó Román, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    Accés restringit per política de l'editorial
    This work proposes a technique to inject a discontinuous zero sequence signal (D-ZSS) into voltage modulation of the modular multilevel converter arms. The core of the technique is the clamping of the arm voltages to a ...
  • HVDC-based modular multilevel converter in the STATCOM operation mode 

    Antonio Ferreira, Abel; Gomis Bellmunt, Oriol; Teixidó, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    Accés restringit per política de l'editorial
    In a futuristic vision, deeply interconnected ac and dc networks are expected, which would be restructured over the time in order to maximize the power transmission efficiency. In some grid configurations, grid-tied inverters ...
  • Grid power flow impact on the on-state losses of the modular multilevel converter 

    Ferreira, A. A.; Gomis Bellmunt, Oriol; Teixidó, M. (2016)
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    Accés restringit per política de l'editorial
    The efficiency of the Modular Multilevel Converters (MMC) makes it the preferable VSC solution for the HVdc field. The knowledge of its modus operandi and their devices it is extremely important to improve the MMC performance. ...
  • Comparison of cell selection methods for modular multilevel converters 

    Antonio Ferreira, Abel; Gomis Bellmunt, Oriol (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The modular multilevel-based power converters (MMC) are very interesting solutions for high power transmission over large distances. The modularity of the converter is achieved by cascading individual and low voltage rated ...
  • Performance of a small photovoltaic power plant under different meteorological conditions 

    Cabrera Tobar, Ana; Gomis Bellmunt, Oriol (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    As the penetration of photovoltaic power plants (PVPP) increases, the impact on the reliability and stability of the bulk system is becoming significant. Thus, the present paper analyses the performance of a small PVPP ...

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