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Now showing items 1-20 of 61

    • A comparison of power conversion systems for modular battery-based energy storage systems 

      Díaz González, Francisco; Heredero Peris, Daniel; Pagès Giménez, Marc; Prieto Araujo, Eduardo; Sumper, Andreas (Institute of Electrical and Electronics Engineers (IEEE), 2020-02-07)
      Article
      Open Access
      A modular battery-based energy storage system is composed by several battery packs distributed among different modules or parts of a power conversion system (PCS). The design of such PCS can be diverse attending to different ...

    • Admittance study of grid-connected VSCs for harmonic oscillatory instabilities 

      Sainz Sapera, Luis; Monjo, Luis; Cheah Mañé, Marc; Liang, Jun; Gomis Bellmunt, Oriol; Prieto Araujo, Eduardo (2019-09-17)
      Article
      Open Access
      Voltage source converters (VSCs) can reduce damping of grid-connected VSC systems at harmonic resonances, leading to system instability. The conductance of the VSC admittance can be shaped selecting appropriate VSC parameter ...

    • 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
      Open Access

    • 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)
      Master thesis (pre-Bologna period)
      Open Access
      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 ...

    • Centralised and distributed optimization for aggregated flexibility services provision 

      Olivella Rosell, Pol; Lloret Gallego, Pau; Prieto Araujo, Eduardo; Ferrer San José, Ricard; Barja Martínez, Sara; Ottesen, Stig Odegaard; Villafafila Robles, Roberto; Sumper, Andreas (Institute of Electrical and Electronics Engineers (IEEE), 2020-07-01)
      Article
      Open Access
      The recent deployment of distributed battery units in prosumer premises offer new opportunities for providing aggregated flexibility services to both distribution system operators and balance responsible parties. The ...

    • 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
      Open Access
      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
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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
      Open Access
      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
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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 ...

    • Dynamic modelling and interaction analysis of multi-terminal VSC-HVDC grids through an impedance-based approach 

      Agbemuko, A. J.; Domínguez Garcia, José Luis; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2019-12-01)
      Article
      Restricted access - publisher's policy
      This paper presents an impedance-based interaction and stability analysis of multi-terminal HVDC systems. First, an analytical derivation procedure is presented to obtain the feedback impedance models of a voltage source ...

    • ENERGIES RENOVABLES (1r quadrimestre) 

      Aragüés Peñalba, Mònica; Prieto Araujo, Eduardo (Universitat Politècnica de Catalunya, 2017-01-25)
      Exam
      Restricted access to the UPC academic community

    • Energy-based control of a DC Modular Multilevel Converter for HVDC grids 

      Cheah Mañé, Marc; Arévalo Soler, Josep; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2020-08)
      Article
      Open Access
      DC-DC converters are expected to interconnect High Voltage Direct Current (HVDC) grids with different configurations or voltage levels, which will increase reliability and operational flexibility. The DC Modular Multilevel ...

    • 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
      Restricted access - publisher's policy
      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
      Restricted access - publisher's policy
      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
      Open Access

    • Flexible converters for meshed HVDC grids: From Flexible AC Transmission Systems (FACTS) to Flexible DC grids 

      Gomis Bellmunt, Oriol; Sau Bassols, Joan; Prieto Araujo, Eduardo; Cheah Mañé, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2020-02-01)
      Article
      Open Access
      Flexible Alternating Current Transmission Systems (FACTS) have achieved to enhance the flexibility of modern AC power systems, by providing fast, reliable and controllable solutions to steer the power flows and voltages ...