Ara es mostren els items 1-20 de 37

  • Anàlisi dinàmica de xarxes multiterminal HVDC-VSC per al transport d'energia elèctrica en corrent continu en parcs eòlics marins 

    Prieto Araujo, Eduardo (Universitat Politècnica de Catalunya, 2011-02)
    Projecte/Treball Final de Carrera
    Accés obert
    El projecte presenta un mètode d'anàlisi dinàmica per al disseny del control droop emprat en les xarxes multiterminal d'alta tensió en corrent continu HVDC (High Voltage Direct Current) que interconnecten parcs eòlics ...
  • 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
  • Control design of Modular Multilevel Converters in normal and AC fault conditions for HVDC grids 

    Prieto Araujo, Eduardo; Junyent Ferré, Adrià; Collados Rodríguez, Carlos; Clariana Colet, Gerard; Gomis Bellmunt, Oriol (2017-11)
    Article
    Accés obert
    This paper describes a control design strategy of Modular Multilevel Converters (MMC) for High Voltage Direct Current (HVDC) applications to operate during normal and AC fault conditions. First, a steady state analysis of ...
  • Control of modular multilevel converters under singular unbalanced voltage conditions with equal positive and negative sequence components 

    Prieto Araujo, Eduardo; Junyent Ferré, Adrià; Clariana Colet, Gerard; Gomis Bellmunt, Oriol (2017-05-01)
    Article
    Accés restringit per política de l'editorial
    This paper focuses on the control of Modular Multilevel Converters (MMC) for High Voltage DC (HVDC) applications during unbalanced AC grid voltage sags where positive and negative sequence voltages are equal. The control ...
  • Coordinated control design of the voltage and current loop of a current flow controller for meshed HVDC grids 

    Sau Bassols, Joan; Ferrer San José, Ricard; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper is focused in the control design of a DC/DC Current Flow Controller (CFC) for meshed HVDC grids. It proposes a control design methodology based on an outer current loop to ...
  • DC voltage droop control design for multiterminal HVDC systems considering AC and DC grid dynamics 

    Prieto Araujo, Eduardo; Egea Àlvarez, Agustí; Fekriasl, Sajjad; Gomis Bellmunt, Oriol (2016-04-01)
    Article
    Accés obert
    This paper focuses on the droop-based dc voltage control design for multiterminal VSC-HVDC grid systems, considering the ac and the dc system dynamics. The droop control design relies on detailed linearized models of the ...
  • Decentralized control of a nine-phase permanent magnet generator for offshore wind turbines 

    Prieto Araujo, Eduardo; Junyent Ferré, Adrià; Lavemia Ferrer, David; Gomis Bellmunt, Oriol (2015-09-01)
    Article
    Accés obert
    This paper presents a decentralized current control approach for a nine-phase wind turbine generator. This type of generator has three different three-phase stators sharing the same machine yoke and connected to the grid ...
  • Design and implementation of an LCL DC/DC converter prototype for DC grids 

    Ferrer San José, Ricard; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Colas, Frederic; Marin, Daniel; Guillaud, Xavier; Hajian, Masood; Nguefeu, Samuel (2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper is focused on the design and implementation of an LCL DC/DC converter prototype. This inductor-capacitor-inductor (LCL) topology offers some promising properties as fault tolerant capability for DC grids, being ...
  • Design methodology of the primary droop voltage control for DC microgrids 

    Prieto Araujo, Eduardo; Bolboceanu, Doru; Sánchez Sánchez, Enric; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Text en actes de congrés
    Accés obert
    n this article, a complete methodology to design the primary voltage droop control for a generic DC microgrid is proposed. First, a procedure to obtain a linear model of the complete system including the different converters ...
  • Disturbance attenuation of DC voltage droop control structures in a multi-terminal HVDC grid 

    Thams, Florian; Prieto Araujo, Eduardo; Chatzivasileiadis, Spyron; Eriksson, Robert; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    DC voltage droop control is seen as the preferred control structure for primary voltage control of future multi-terminal HVDC systems. Different droop control structures have been proposed in literature which can be ...
  • Experimental validation of a single phase Intelligent Power Router 

    Rodriguez Bernuz, Joan Marc; Prieto Araujo, Eduardo; Girbau Llistuella, Francesc; Sumper, Andreas; Villafafila Robles, Roberto; Vidal Clos, Josep-Andreu (2015-12)
    Article
    Accés restringit per política de l'editorial
    Current power networks are facing numerous challenges in transmission and distribution in order to accommodate distributed generation from renewables. As a result, the current grid needs to evolve towards a system with ...
  • 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 ...
  • 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
  • Handling of unbalanced faults in HVDC-connected wind power plants 

    Schönleber, Kevin; Prieto Araujo, Eduardo; Ratés Palau, Sergi; Gomis Bellmunt, Oriol (2017-11)
    Article
    Accés obert
    High-voltage DC (HVDC) connections enable integration of wind power plants located very far from shore. The decoupled AC offshore grid comprises multiple WT converters, and the voltage magnitude and frequency is primarily ...
  • Harmonic stability and interactions in meshed VSC-HVDC dominated power systems 

    Agbemuko, A. J.; Domínguez García, José Luis; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Energynautics GmbH, 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    HVDC technology is being increasingly used to integrate RES, transmit power via long distance connections, interconnect regions to allow for cross-border sharing of resources and, strengthen AC networks among others. Such ...
  • Impact of converter losses on the optimal power flow solution of hybrid networks based on VSC-MTDC 

    Zhao, Q.; García González, J.; Gomis Bellmunt, Oriol; Prieto Araujo, Eduardo; Echavarren, F. M. (2017-10)
    Article
    Accés restringit per política de l'editorial
    This paper studies the impact of voltage source converter (VSC) losses on the solution of the optimal power flow (OPF) of hybrid AC/DC systems with a multi-terminal configuration. The motivation of this analysis is that ...
  • Impedance-based analysis of harmonic instabilities in HVDC-connected Offshore Wind Power Plants 

    Cheah Mañé, Marc; Sainz Sapera, Luis; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2019-03-01)
    Article
    Accés restringit per política de l'editorial
    HVDC-connected Offshore Wind Power Plants (OWPPs) with a large number of power converters are prone to instabilities due to interactions with converter controllers. This paper analyzes harmonic instabilities in OWPPs ...
  • Impedance modelling and parametric sensitivity of a VSC-HVDC system: New insights on resonances and interactions 

    Agbemuko, A. J.; Domínguez García, José Luis; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2018-04-01)
    Article
    Accés obert
    Pervasiveness of power converters in the electric power system is expected in the future. Such large penetration will change the current power system dynamics leading to uncertain, unexpected, and potentially critical ...
  • Implementation of a power hardware in the loop platform with a real time power flow calculation using PSS\E 

    Ferrer San José, Ricard; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A Power Hardware in the Loop (PHIL) platform implementation for performing real time simulations of electric systems is proposed. The test bench consists of a PSS R © E real time power flow calculation in combination ...
  • 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 ...