Ara es mostren els items 1-10 de 10

    • AC fault ride through in MMC-based HVDC systems 

      Dadjo Tavakoli, Saman; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
      Article
      Accés obert
      VSC-HVDC systems are being increasingly employed in the power systems. The recently installed HVDC systems have a power capacity similar to traditional power plants. Hence, they are expected to have a similar behaviour as ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Interaction assessment and stability analysis of the MMC-based VSC-HVDC link 

      Dadjo Tavakoli, Saman; Prieto Araujo, Eduardo; Sánchez Sánchez, Enric; Gomis Bellmunt, Oriol (2020-04-21)
      Article
      Accés obert
      This paper investigates the dynamic behavior of a modular multi-level converter (MMC)-based HVDC link. An overall state-space model is developed to identify the system critical modes, considering the dynamics of the master ...
    • Methodology for interaction identification in modular multi-level converter-based HVDC systems 

      Dadjo Tavakoli, Saman; Prieto Araujo, Eduardo; Sánchez Sánchez, Enric; Gomis-Bellmunt, Oriol (2021-07-24)
      Article
      Accés obert
      This paper suggests a methodology for the identification, classification, and evaluation of various types of interactions that may occur in an HVDC link based on modular multi-level converters (MMC). The methodology ...
    • Mutual interactions and stability analysis of bipolar DC microgrids 

      Dadjo Tavakoli, Saman; Zhang, Peng; Lu, Xiaonan (CSEE, 2019-12-11)
      Article
      Accés obert
      This paper presents an Multi-Input Multi-Output (MIMO) analysis to investigate the mutual interactions and small-signal stability of bipolar-type dc microgrids. Since bipolar dc microgrid is replete with power-electronic ...
    • Optimal H-infinity control design for MMC-based HVDC links 

      Dadjo Tavakoli, Saman; Fekriasl, Sajjad; Prieto Araujo, Eduardo; Beerten, Jef; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2021-04-06)
      Article
      Accés obert
      The modular multilevel converter (MMC) has emerged as the preferred choice for voltage source converter (VSC)-based high voltage direct current (HVDC) systems due to its low losses, low harmonic distortion, modularity, and ...
    • Robust multivariable control design for HVDC systems considering AC grid impedance uncertainties 

      Dadjo Tavakoli, Saman; Prieto Araujo, Eduardo; Fekriasl, Sajjad; Beerten, Jef; Mehrjerdi, Hasan; Gomis Bellmunt, Oriol (Elsevier, 2022-10-01)
      Article
      Accés restringit per política de l'editorial
      High-voltage direct current (HVDC) transmission system based on modular multilevel converter (MMC) technology is considered as an attractive solution for the interconnection of two AC grids to enhance the security of supply. ...