Now showing items 11-22 of 22

  • Fast grid synchronization technique based on a multiple cascaded general integrator scheme for distributed generation inverters 

    Matas Alcalá, José; Castilla Fernández, Miguel; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Alarcón Gallo, Eduardo; Camacho Santiago, Antonio (2012)
    Conference report
    Restricted access - publisher's policy
    This paper proposes a new structure for grid synchronization based on generalized integrators (GI) that lead to fast detection of positive and negative components of the grid voltage. The GI are used as a band pass ...
  • 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
    Restricted access - publisher's policy
    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 ...
  • Mixing local and distributed reactive power control for balancing inverters' effort in grid-connected photovoltaic systems 

    Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2013)
    Conference report
    Restricted access - publisher's policy
    Reactive power control methods have been proven to be a successful technique for maintaining voltages of photovoltaic (PV) distributed generators (DG) within the admissible limits without enforcing to reduce the production ...
  • Mixing local and distributed reactive power control for balancing inverters’ effort in grid-connected photovoltaic systems 

    Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference lecture
    Restricted access - publisher's policy
    Reactive power control methods have been proven to be a successful technique for maintaining voltages of photo-voltaic (PV) distributed generators (DG) within the admissible limits without enforcing to reduce the production ...
  • Networked sliding mode control of the double integrator system using the event-driven self-triggered approach 

    Martí Colom, Pau; Velasco García, Manel; Camacho Santiago, Antonio; Martín Rull, Enric Xavier; Fuertes Armengol, José Mª (2011)
    Conference lecture
    Restricted access - publisher's policy
    Sliding mode control (SMC) methods rely on applying a high-frequency switching control. In networked control systems (NCS), high-frequency operations/transactions are not desirable because communication bandwidth consumption ...
  • Power sharing control in islanded microgrid using event driven communication 

    de Sousa Pérez, Óscar; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Martí Colom, Pau; Guzmán Solà, Ramon (2013)
    Conference report
    Restricted access - publisher's policy
    This paper presents a novel power sharing control strategy for islanded mode microgrids (MG). The goal is to enable renewable power sources connected to the point of com- mon coupling (PCC) through three-phase three-wire ...
  • Reactive current injection protocol for low-power rating distributed generation sources under voltage sags 

    Miret Tomàs, Jaume; Camacho Santiago, Antonio; Castilla Fernández, Miguel; García de Vicuña Muñoz de la Nava, José Luis; Hoz Casas, Jordi de la (2015-06-01)
    Article
    Open Access
    Voltage sags are one of the main problems in transmission and distribution networks. This study proposes a voltage support control scheme for grid-connected low-power rating inverters under voltage sags. Voltage support ...
  • Reactive power control for distributed generation power plants to comply with voltage limits during grid faults 

    Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Guzmán Solà, Ramon; Borrell Sanz, Angel (2014-01-20)
    Article
    Open Access
    Grid faults are one of the most severe problems for network operation. Distributed generation power plants can help to mitigate the adverse effects of these perturbations by injecting reactive power during the sag and the ...
  • Reduction of Current Harmonic Distortion in Three-Phase Grid-Connected Photovoltaic Inverters via Resonant Current Control 

    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), 2013-04)
    Article
    Open Access
    The resonant current control has been extensively employed to reduce the current harmonic distortion in a wide range of grid-connected distributed generation applications, including photovoltaic (PV) inverters, wind and ...
  • Self-triggered networked control systems: an experimental case study 

    Camacho Santiago, Antonio; Martí Colom, Pau; Velasco García, Manel; Lozoya, Camilo; Villa Millaruelo, Ricardo; Fuertes Armengol, José Mª; Griful Ponsati, Eulàlia (2010)
    Conference report
    Open Access
    A self-triggered controller is characterized, in general, by a non-periodic sequence of job activations. And each job execution, apart from performing sampling, control algorithm computation and actuation, calculates the ...
  • Synchronizing sampling and actuation in the absence of global time in networked control systems 

    Martí Colom, Pau; Camacho Santiago, Antonio; Velasco García, Manel; Marès Martí, Pere; Fuertes Armengol, José Mª (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference report
    Restricted access - publisher's policy
    The successful operation of Networked Control Sys- tems (NCS) requires employing appropriate approaches for dealing with network induced time delays, i.e. time intervals elapsed from consecutive sampling and actua- tion ...
  • 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
    Restricted access - publisher's policy
    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 ...