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Ara es mostren els items 72-91 de 213

    • Fault handling capabilities of grid-forming wind turbines in offshore wind farms connected with MMC HVDC system 

      Raza, Muhammad Waleed; Raza, Muhammad; Girona Badia, Jaume; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2024-03-07)
      Article
      Accés obert
      Offshore wind power generation equipped with conventional grid following controls challenges the power system stability by reducing the inertia of the grid and weakening the AC offshore grid. To overcome this vulnerability ...

    • 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

    • Fault ride-through control based on voltage prioritization for grid-forming converters 

      Dadjo Tavakoli, Saman; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Galceran Arellano, Samuel (2023-01-01)
      Article
      Accés obert
      This paper discusses that the existing grid codes on the fault ride-through (FRT) opera-tion have certain complications to be implemented in the grid-forming (GFM) converters.In particular, they do not provide a clear ...

    • Feasibility analysis of offshore wind power plants with DC collection grid 

      Prada Gil, Mikel de; Domínguez García, José Luis; Díaz González, Francisco; Araguees Penalba, Monica; Gomis Bellmunt, Oriol (2015-06-01)
      Article
      Accés obert
      Offshore wind power plants (OWPPs) tend to be larger in size and distant from shore. It is widely accepted that for long distances HVDC links are preferred over HVAC transmission. Accordingly, one possible approach might ...

    • 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
      Accés obert
      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 ...

    • GILABVIR: Virtual laboratories and remote laboratories in engineering. A teaching innovation group of interest 

      Cabrera-Bean, Margarita; Bragós Bardia, Ramon; Pérez, Marimar; Mariño Acebal, José Bernardo; Rius Casals, Juan Manuel; Gomis Bellmunt, Oriol; Casany Guerrero, María José; Gironella Cobos, Xavier (Universidad Politécnica de Madrid (UPM), 2010)
      Text en actes de congrés
      Accés obert
      GILABVIR (Grup d’Interès en Laboratoris Virtuals i Remots) is a recently created Virtual and Remote Laboratory Group of Interest of UPC (Universitat Politècnica de Catalunya) and it is integrated in a more general teaching ...

    • Grid equivalent representation of power systems with penetration of power electronics 

      Song, Jie; Cheah Mañé, Marc; Prieto Araujo, Eduardo; Amorós Torrent, Jaume; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2023-03-13)
      Article
      Accés obert
      The Thévenin equivalent is considered as the standard grid equivalent for power system analysis. The integration on power electronics components in the power systems introduces non-linear operation characteristics that ...

    • Grid power flow impact on the on-state losses of the modular multilevel converter 

      Ferreira, A. A.; Gomis Bellmunt, Oriol; Teixidó Román, Miguel (2016)
      Text en actes de congrés
      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. ...

    • Grid-forming loads: can the loads be in charge of forming the grid in modern power systems? 

      Gomis Bellmunt, Oriol; Dadjo Tavakoli, Saman; Albernaz Lacerda Freitas, Vinícius; Prieto Araujo, Eduardo (2022-08-29)
      Article
      Accés obert
      Modern power systems are facing the tremendous challenge of integrating vast amounts of variable (non-dispatchable) renewable generation capacity, such as solar photovoltaic or wind power. In this context, the required ...

    • Grid-forming services from hydrogen electrolyzers 

      Dadjo Tavakoli, Saman; Ghazavidozein, Mehdi; Albernaz Lacerda Freitas, Vinícius; Cheah Mañé, Marc; Prieto Araujo, Eduardo; Mancarella, Pierluigi; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2023-01-01)
      Article
      Accés obert
      Hydrogen electrloyzers are power-to-gas storage devices that can facilitate large-scale integration of intermittent renewable sources into the future power systems. Due to their fast response and capability to operate in ...

    • Guest editorial for the special section on enabling very high penetration renewable energy integration into future power systems 

      Kang, Chongqing; Chen, Zhe; Zhang, Ning; Gomis Bellmunt, Oriol; Barnes, Mike; Yang, Jie; Hu, Weihao; Sun, Kai (2018-05-01)
      Article
      Accés obert
      The papers in this special section examine the enabling of very high penetration renewable energy integration into future power systems. Renewable energy is regarded as one of the main solutions to achieve power system ...

    • Guest editorial special section on HVDC systems for large offshore wind power plants 

      Gomis Bellmunt, Oriol; Liang, Jun; Van Hertem, Dirk; Barnes, Mike; Cutululis, Nicolaos Antonio (2016-04)
      Article
      Accés obert
      The papers in this special section focus on HVDC systems for large offshore wind power plants. These plants have experienced an important growth in the last decade and are becoming a key energy source worldwide. Offshore ...

    • 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 ...

    • Hierarchical power control of multiterminal HVDC grids 

      Egea Àlvarez, Agustí; Beerten, Jef; Van Hertem, Dirk; Gomis Bellmunt, Oriol (2015-04-01)
      Article
      Accés obert
      This article introduces a hierarchical power control structure for Multi-terminal High Voltage Direct Current (MT-HVDC) systems. The presented hierarchy is similar to the control structure used in classical AC transmission ...

    • HVAC transmission system for offshore wind power plants including mid-cable reactive power compensation: optimal design and comparison to VSC-HVDC transmission 

      Dakic, Jovana; Cheah Mañé, Marc; Gomis Bellmunt, Oriol; Prieto Araujo, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2020-09-28)
      Article
      Accés obert
      The design distance of offshore wind power plants connected through HVAC transmission systems might be extended due to the introduction of mid-cable reactors for reactive power compensation purposes and the latest developments ...

    • HVDC-based modular multilevel converter in the STATCOM operation mode 

      Antonio Ferreira, Abel; Gomis Bellmunt, Oriol; Teixidó Román, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      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 ...

    • Hybrid AC-DC offshore wind power plant topology: optimal design 

      Prada Gil, Mikel de; Igualada González, Lucía; Corchero García, Cristina; Gomis Bellmunt, Oriol; Sumper, Andreas (2015-07-01)
      Article
      Accés obert
      The aim of this paper is to present a hybrid AC-DC offshore wind power plant (OWPP) topology and to optimize its design in order to minimize the OWPP's total cost. This hybrid concept is based on clustering wind turbines ...

    • Hysteresis current control technique of VSI for compensation of grid-connected unbalanced loads 

      Pouresmaeil, Edris; Akorede, Mudathir Funsho; Montesinos Miracle, Daniel; Gomis Bellmunt, Oriol; Trujillo Caballero, Juan Carlos (2012-11-29)
      Article
      Accés restringit per política de l'editorial
      The global trends nowadays in the power generation industry are to supplement the electricity production using distributed generation (DG) technologies based on renewable energy resources such as photovoltaic, wind power, ...

    • Impact analysis of energy-based control structures for grid-forming and grid-following MMC on power system dynamics based on eigenproperties indices 

      Arévalo Soler, Josep; Sánchez Sánchez, Enric; Prieto-Araujo, E.; Gomis Bellmunt, Oriol (2022-12)
      Article
      Accés restringit per política de l'editorial
      This paper addresses the impact of the modular multilevel converter (MMC) energy control in the system dynamics when grid-forming and grid-following control schemes are used in the same system. The MMC total energy control ...