Ara es mostren els items 1-11 de 11

    • Analysis of equilibrium points and optimal grid support of grid-forming modular multilevel converter for balanced and unbalanced faults 

      Westerman Spier, Daniel; Collados Rodríguez, Carlos; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Elsevier, 2023-11-01)
      Article
      Accés obert
      This short-communication presents a steady-state analysis of a grid-forming Modular Multilevel Converter (MMC) providing optimal voltage support to the AC network under normal and constrained conditions. The analysis is ...
    • Control strategy for distribution generation inverters to maximize the voltage support in the lowest phase during voltage sags 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Garnica López, Miguel Andrés (Institute of Electrical and Electronics Engineers (IEEE), 2017-08-07)
      Article
      Accés obert
      IEEE Voltage sags are considered one of the worst perturbations in power systems. Distributed generation power facilities are allowed to disconnect from the grid during grid faults whenever the voltage is below a certain ...
    • Coordinated reactive power control for static synchronous compensators under unbalanced voltage sags 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Matas Alcalá, José; Alarcón Gallo, Eduardo; García de Vicuña Muñoz de la Nava, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Unbalanced voltage sags strongly deteriorate the performance of power converters and electrical machines connected to the distribution network. In particular, a reduction of the power quality is noticed in these equipments, ...
    • Imbalance-voltage mitigation in an inverter-based distributed generation system using a minimum current-based control strategy 

      Ghahderijani, Mohammad Moradi; Camacho Santiago, Antonio; Moreira, Carlos; Castilla Fernández, Miguel; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2020-06)
      Article
      Accés obert
      Voltage imbalances are one of the most severe challenges in electrical networks, which negatively affect their loads and other connected equipment. This paper proposes a voltage support control strategy to mitigate the ...
    • Optimal voltage-support control for distributed generation inverters in RL grid-faulty networks 

      Garnica López, Miguel Andrés; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Castilla Fernández, Miguel; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2019-10-30)
      Article
      Accés obert
      During grid faults, the stability and reliability of the network are compromised, and the risk of a widespread disconnection of distributed generation power facilities is increased. Distributed generation inverters must ...
    • Optimizing voltage support using electric vehicles in an islanded microgrid under voltage sags 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Borrell Sanz, Àngel (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The number of electric vehicles connected to the grid is growing constantly due to environmental and regulatory issues. Using these connected vehicles as distributed generators is a promising future functionality, known ...
    • Positive sequence voltage control, full negative sequence cancellation and current limitation for static compensators 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Velasco García, Manel; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2021-12)
      Article
      Accés obert
      This paper presents a control scheme in the stationary reference frame for Static Synchronous Compensators that provides three features: 1) regulation of the positive sequence voltage to the nominal value, 2) full cancellation ...
    • Voltage sag mitigation in a PV-based industrial microgrid during grid faults 

      Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel; García de Vicuña Muñoz de la Nava, José Luis; Camacho Santiago, Antonio; Torres Martínez, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The growing interests in industrial microgrid and its high power rating, have made it as a good candidate for voltage support purposes. The aim of this paper is to present a reactive current injection control strategy for ...
    • Voltage support experimental analysis of a low-voltage ride-through strategy applied to grid-connected distributed inverters 

      Garnica López, Miguel Andrés; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Guzmán Solà, Ramon (2018-07-27)
      Article
      Accés obert
      In recent decades, different control strategies have been designed for the increasing integration of distributed generation systems. These systems, most of them based on renewable energies, use electronic converters to ...
    • Voltage support provided by three-phase three-wire inverters with independent reactive phase-current injection 

      Iñiguez Amigot, José Ignacio; Duarte Mejia, Josue Neftali; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2024)
      Article
      Accés obert
      During voltage sags, three-phase three-wire power inverters can provide voltage support with several current injection strategies. In general, good results are ob- tained, except in overvoltage situations when one or more ...
    • Voltage support using electric vehicles in an islanded resistive-microgrid under voltage sags 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Borrell Sanz, Àngel (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The number of electric vehicles connected to the grid is growing constantly due to environmental and regulatory issues. Conventionally these vehicles work as variable loads, although using them as distributed generators ...