Enviaments recents

  • Optimal operation of hybrid high voltage direct current and alternating current networks based on OPF combined with droop voltage control 

    Aragüés Peñalba, Mònica; Sau Bassols, Joan; Galceran Arellano, Samuel; Sumper, Andreas; Gomis Bellmunt, Oriol (2018-10)
    Article
    Accés restringit per política de l'editorial
    This study focuses on the operation and control of HVDC multi-terminal systems that transmit the power being generated in offshore wind farms to the terrestrial AC grids. The aim of the paper is to propose and validate an ...
  • Analysis of MMC energy-based control structures for VSC-HVDC links 

    Sánchez Sánchez, Enric; Prieto Araujo, Eduardo; Junyent Ferré, Adrià; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2018-02-06)
    Article
    Accés restringit per política de l'editorial
  • Local flexibility market design for aggregators providing multiple flexibility services at distribution network level 

    Olivella Rosell, Pol; Lloret Gallego, Pau; Munné Collado, Íngrid; Villafafila Robles, Roberto; Sumper, Andreas; Ottesen, Stig Odegaard; Rajasekharan, Jayaprakash; Bremdal, Bernt (2018-04-02)
    Article
    Accés obert
    This paper presents a general description of local flexibility markets as a market-based management mechanism for aggregators. The high penetration of distributed energy resources introduces new flexibility services like ...
  • A model for an economic evaluation of energy systems using TRNSYS 

    Villa Arrieta, Manuel Ricardo; Sumper, Andreas (2018-04-01)
    Article
    Accés restringit per política de l'editorial
    This paper presents a technical-economic model for the evaluation of energy systems called Energy Assessment Tool of Energy Projects (EATEP). It was created with the TRaNsient System Simulation Tool (TRNSYS) and works in ...
  • Fault mode operation strategies for dual H-bridge current flow controller in meshed HVDC grid 

    Mokhberdoran, Ataollah; Sau Bassols, Joan; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Silva, Nuno; Carvalho, Adriano (2018-07-01)
    Article
    Accés obert
  • Integrated HVDC circuit breakers with current flow control capability 

    Cwikowski, Oliver; Sau Bassols, Joan; Chang, Bin; Prieto Araujo, Eduardo; Barnes, Mike; Gomis Bellmunt, Oriol; Shuttleworth, Roger (2018-02-01)
    Article
    Accés restringit per política de l'editorial
    Two key problems in meshed high-voltage direct current (HVDC) transmission grids are managing line power flows and protection against dc faults. Current flow controllers (CFCs) will be required to balance cable currents ...
  • Smart grid architecture for rural distribution networks: application to a Spanish pilot network 

    Girbau-Llistuella, F.; Díaz González, Francisco; Sumper, Andreas; Gallart, R; Heredero Peris, Daniel (2018-04-04)
    Article
    Accés obert
    This paper presents a novel architecture for rural distribution grids. This architecture is designed to modernize traditional rural networks into new Smart Grid ones. The architecture tackles innovation actions on both the ...
  • Optimization of the operation of smart rural grids through a novel rnergy management system 

    Girbau-Llistuella, F.; Díaz González, Francisco; Sumper, Andreas (2018-01)
    Article
    Accés obert
    The paper proposes an innovative Energy Management System (EMS) that optimizes the grid operation based on economic and technical criteria. The EMS inputs the demand and renewable generation forecasts, electricity prices ...
  • Small signal stability analysis of offshore AC network having multiple VSC-HVDC system 

    Raza, Muhammad; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2017-07-11)
    Article
    Accés restringit per política de l'editorial
    This article presents a small signal analysis of an offshore AC network to integrate offshore wind energy with the main AC grid at shore through more than one VSC-HVDC transmission system. The offshore AC network reference ...
  • Optimization problem for meeting distribution system operator requests in local flexibility markets with distributed energy resources 

    Olivella Rosell, Pol; Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Sumper, Andreas; Ottesen, Stig Odegaard; Vidal Clos, Josep Andreu; Villafafila Robles, Roberto (2018-01-15)
    Article
    Accés restringit per política de l'editorial
    The increasing penetration of distributed energy resources in the distribution grid is producing an ever-heightening interest in the use of the flexibility on offer by said distributed resources as an enhancement for the ...
  • Microgrid clustering architectures 

    Bullich Massagué, Eduard; Díaz González, Francisco; Aragüés Peñalba, Mònica; Girbau-Llistuella, F.; Olivella Rosell, Pol; Sumper, Andreas (2018-02-15)
    Article
    Accés restringit per política de l'editorial
    Microgrids are considered one of the most promising solutions to integrate renewable distributed generation into the electric power system. During the last decade, the microgrid concept has been studied and developed and ...
  • Extended current limitation for unbalanced faults in MMC–HVDC–connected wind power plants 

    Schönleber, Kevin; Prieto Araujo, Eduardo; Ratés Palau, Sergi; Gomis Bellmunt, Oriol (2017-12-20)
    Article
    Accés restringit per política de l'editorial
    IEEE Modular multilevel converters (MMCs) are currently used in a number of high–voltage dc (HVdc) projects connecting very remote offshore wind power plants (WPPs) to shore. For this application the offshore high–voltage ...

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