Ara es mostren els items 43-62 de 213

    • Dc voltage droop control design for mmc-based multiterminal hvdc grids 

      Dadjo Tavakoli, Saman; Sánchez Sánchez, Enric; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-20)
      Article
      Accés obert
      This article addresses the design of the DC voltage droop control in modular multilevel converter (MMC)-based multiterminal HVDC grids. First, two energy-based control approaches, namely classic and cross control, are ...
    • 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 ...
    • Decentralized Robust Frequency Regulation of Multi-terminal HVDC-linked Grids 

      Kim, Jun Soo; Park, Jae Young; Kim, Young-Jin; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2022-01-01)
      Article
      Accés obert
      This paper proposes a new strategy for optimal grid frequency regulation (FR) in an interconnected power system where regional ac grids and an offshore wind farm are linked via a multi-terminal high voltage direct-current ...
    • Definition of scenarios for modern power systems with a high renewable energy share 

      Collados Rodríguez, Carlos; Antolí Gil, Eduard; Sánchez Sánchez, Enric; Girona Badia, Jaume; Albernaz Lacerda Freitas, Vinícius; Cheah Mañé, Marc; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2023-02-28)
      Article
      Accés obert
      Recent environmental policies have led academic, industrial, and governmental stakeholders to plan scenarios with a high share of renewable energy sources (RES), to ensure that future energy systems, composed mostly of ...
    • 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 ...
    • Design, control and testing of a modular multilevel converter with a single cell per arm in grid-forming and grid-following operations for scaled-down experimental platforms 

      Girona Badia, Jaume; Gomis Bellmunt, Oriol; Lledó Ponsati, Tomàs; Capó Lliteras, Macià; Cutululis, Nicolaos Antonio; Montesinos Miracle, Daniel; Heredero Peris, Daniel; Prieto Araujo, Eduardo (2022-03-01)
      Article
      Accés obert
      Modular multilevel converters (MMC) can be used in several applications, especially (but not only) in high-voltage direct current (HVDC) and STATCOM. In order to develop experimental scaled-down test benches for lab ...
    • Design, management and comissioning of a utility connected microgrid based on IEC 61850 

      Ruiz Alvarez, A.; Colet Subirachs, A.; Gomis Bellmunt, Oriol; Fernández Mola, José María; Alvarez Cuevas, F.; López Mestre, Joaquim; Sudrià Andreu, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Comunicació de congrés
      Accés obert
      This paper presents an approach to microgrid automation. The microgrid is composed of three different nodes connected to the public electric grid, which are hardware emulated with back-to-back converters. The microgrid ...
    • Design, Modeling, Identification and Control of Mechatronic Systems 

      Gomis Bellmunt, Oriol (Universitat Politècnica de Catalunya, 2007-05-21)
      Tesi
      Accés obert
      Les societats modernes plantegen nous reptes que demanden noves maneres de tractar els projectes d'enginyeria. Els enginyers han d'afrontar aquests reptes i desenvolupar solucions òptimes i eficients pels problemes clàssics ...
    • DFIG-based offshore wind power plant connected to a single VSC-HVDC operated at variable frequency: Energy yield assessment 

      Prada Gil, Mikel de; Díaz González, Francisco; Gomis Bellmunt, Oriol; Sumper, Andreas (2015-06-15)
      Article
      Accés obert
      The existence of HVDC (High Voltage Direct Current) transmission systems for remote offshore wind power plants allows devising novel wind plant concepts, which do not need to be synchronized with the main AC grid. This ...
    • Digital control of a power conditioner for fuel cell/super-capacitor hybrid system 

      Trujillo Caballero, Juan Carlos; Gomis Bellmunt, Oriol; Montesinos Miracle, Daniel; Posada Gómez, Rubén; Pouresmaeil, Edris; Aquino Robles, Jose A. (Taylor & Francis, 2014-01-25)
      Article
      Accés restringit per política de l'editorial
      This article proposes a digital control scheme to operate a proton exchange membrane fuel cell module of 1.2 kW and a super-capacitor through a DC/DC hybrid converter. A fuel cell has been proposed as a primary source of ...
    • 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 ...
    • Droop control design of multi-VSC systems for offshore networks to integrate wind energy 

      Raza, Muhammad; Schönleber, Kevin; Gomis Bellmunt, Oriol (2016-10-14)
      Article
      Accés obert
      This research envisages the droop control design of multi voltage source converter systems for offshore networks to integrate wind power plant with the grids. An offshore AC network is formulated by connecting several ...
    • Droop control for loss minimization in HVDC multi-terminal transmission systems for large offshore wind farms 

      Aragüés Peñalba, Mònica; Egea Àlvarez, Agustí; Galceran Arellano, Samuel; Gomis Bellmunt, Oriol (2014-07)
      Article
      Accés restringit per política de l'editorial
      A control scheme is proposed in order to minimize the losses in multi-terminal HVDC systems for large offshore wind power plants. This approach is based on two cascaded control schemes. A low level droop control regulates ...
    • Dynamic converter control role configuration in grid of grids 

      Arévalo Soler, Josep; Nahalparvari, Mehrdad; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Norrga, Staffan (2023)
      Text en actes de congrés
      Accés obert
      The control role of power converters conforming an HVDC link is generally static, i.e. changing the control role of the power converters is not considered in the power system operation. In this paper a lab-scaled demonstration ...
    • Dynamic interactions in large scale photovoltaic power plants with frequency and voltage support 

      Salazar Chiralt, Rubén; Cheah Mañé, Marc; Mateu Barriendos, Elia; Bullich Massagué, Eduard; Prieto Araujo, Eduardo; Mehrjerdi, Hasan; Gomis Bellmunt, Oriol (2022-06-01)
      Article
      Accés obert
      The increasing penetration of Large-Scale Photovoltaic Power Plants in the power system is raising the concern of potential stability issues due to dynamic interactions of power electronics components. In particular, Power ...
    • Dynamic modelling and control of a PV generator for large scale applications 

      Cabrera Tobar, Ana; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      As large scale photovoltaic power plants are increasing their capacity, the new grid codes are requiring that these power plants have similar performance as conventional power plants do. Because of this, it is essential ...
    • 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
      Accés obert
      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 ...
    • Effect of variable solar irradiance on the reactive power response of photovoltaic Generators 

      Cabrera Tobar, Ana; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      New grid requirements for large scale photovoltaic power plants (LS-PVPPs) demanding ancillary services make necessary the enhancement of photovoltaic (PV) generator's control. One of the challenges is the reactive power ...