Ara es mostren els items 123-129 de 129

    • Variable structure control for three-phase LCL-filtered inverters using a reduced converter model 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Hoz Casas, Jordi de la (Institute of Electrical and Electronics Engineers (IEEE), 2017-06-16)
      Article
      Accés obert
      This paper presents a new concept in active damping techniques using a reduced model of a LCL-filtered grid connected inverter. The presence of the LCL filter complicates the design of the inverter control scheme, particularly ...
    • Variable structure control in natural frame for three-phase grid-connected inverters with LCL filter 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Martín Cañadas, María Elena (2017-07-05)
      Article
      Accés obert
      This paper presents a variable structure control in natural frame for a three-phase voltage source inverter. The proposed control method is based on modifying the converter model in natural reference frame, preserving the ...
    • Voltage security in AC microgrids: A power flow-based approach considering droopcontrolled inverters 

      Souza, Antonio Carlos Zambroni de; Santos, Marcos; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Marujo, Diogo (2015-01-01)
      Article
      Accés obert
      This study deals with the problem of voltage security in microgrids. In general, voltage security is an issue for power systems, where the lack of reactive power is a concern. For microgrids a complexity is imposed, since ...
    • Voltage support control strategies for static synchronous compensators under unbalanced voltage sags 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Matas Alcalá, José; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Article
      Accés restringit per política de l'editorial
      Static synchronous compensators have been broadly employed for the provision of electrical ac network services, which include voltage regulation, network balance, and stability improvement. Several studies of such ...
    • 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 ...