Now showing items 1-4 of 4

  • Control scheme for photovoltaic three-phase inverters to minimize peak currents during unbalanced grid-voltage sags 

    Miret Tomàs, Jaume; Castilla Fernández, Miguel; Camacho Santiago, Antonio; García de Vicuña Muñoz de la Nava, José Luis; Matas Alcalá, José (2012)
    Article
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    Nowadays, the majority of the photovoltaic (PV) power sources are connected to the public grid. One of the main connection problems occurs when voltage sags appear in the grid due to short circuits, lightning, etc. ...
  • Flexible voltage support control for three-phase distributed generation inverters under grid fault 

    Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Vasquez, Juan C.; Alarcón Gallo, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)
    Article
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    Ancillary services for distributed generation (DG)systems become a challenging issue to smartly integrate renewable-energy sources into the grid. Voltage control is one of these ancillary services which can ride through ...
  • Small synchronous machine protection during voltage sags caused by MV grid faults 

    Bogarra Rodríguez, Santiago; Rubion, X.; Rolan, Alejandro; Córcoles López, Felipe; Pedra Durán, Joaquim; Iglesias, J. (2018-03-01)
    Article
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    This paper analyses the impact of symmetrical and unsymmetrical voltage sags caused by distribution and transmission faults on the dynamic behaviour of small salient-pole synchronous machines connected to the MV grid, and ...
  • 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
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    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 ...