Envíos recientes

  • A new LPF-based grid frequency estimation for the SOGI filter with improved harmonic rejection 

    Matas Alcalá, José; Martín Cañadas, María Elena; El Mariachet Carreño, Jordi; Abusorrah, A.; Al-Turki, Y.A. (2018)
    Comunicación de congreso
    Acceso abierto
    This paper proposes a new method for the estimation of the grid voltage frequency using a low-pass filter (LPF) approach. The estimated frequency is used to tune a second order generalized integrator (SOGI) filter commonly ...
  • An optimization model for the long-term planning of energy distribution networks 

    Somoza Tornos, Ana; Pozo Fernández, Carlos; Hoz Casas, Jordi de la; Guillén Gosálbez, Gonzalo; Espuña Camarasa, Antonio; Graells Sobré, Moisès (2016)
    Comunicación de congreso
    Acceso abierto
    Although design is a problem that has been addressed in the literature, maintaining, upgrading and expanding energy distribution networks along the entire life-cycle is a topic that has received scarce attention. The problem ...
  • Modeling and sliding mode control for three-phase voltage source inverters with vector operation 

    Morales López, Javier; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
  • Communication-aware consensus for frequency restoration in islanded microgrids 

    Martí Colom, Pau; Velasco García, Manel; Martín Rull, Enric Xavier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    MicroGrids (MGs) include spatially distributed generation (DG) systems and loads that may require operating autonomously in islanded mode. The operation of islanded MGs can benefit from consensus theory and practice, ...
  • Transient analysis of PV-based industrial microgrids between grid-connected and islanded modes 

    Moradi Ghahderijani, Mohammad; Castilla Fernández, Miguel; Momeneh, Arash; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (2016)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This paper presents a networked control scheme for a photovoltaic-based industrial microgrid to adaptably operate in both grid-connected and islanded modes, and even to transfer smoothly between these two modes. The ...
  • Reactive power control for loss minimization in low-voltage distributed generation systems 

    Martí Colom, Pau; Velasco García, Manel; Torres Martínez, Javier; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2016)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Dispersed small distributed generation (DG) systems in low-voltage (LV) grids pose diverse challenges for successful grid operation. The main one is to guarantee power quality by ensuring that voltages along all the feeders ...
  • A general MILP model for the sizing of islanded/grid-connected microgrids 

    Alabert Aldana, Aniol; Somoza Tornos, Ana; Hoz Casas, Jordi de la; Graells Sobré, Moisès (2016)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    Recently, energy systems have experienced a change of paradigm, from a large-scale centr alized approach to the in-situ exploitation of renewabl e sources. Special atte ntion has been paid to microgrids, a particular case ...
  • On the optimal reactive power control for grid-connected photovoltaic distributed generation systems 

    Velasco García, Manel; Martí Colom, Pau; Torres Martínez, Javier; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2015)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    The increasing deployment of distributed generation (DG) such as photovoltaic panels (PV) connected to low-voltage (LV) grids is becoming a common trend in urban areas. The advances of information and communication technology ...
  • Performance analysis of frequency restoration for parallel voltage source inverters connected with a realistic communication channel 

    Martí Colom, Pau; Velasco García, Manel; Martín Rull, Enric Xavier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Torres Martínez, Javier (2015)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    A topic of interest within the microgrid (MG) community is to achieve accurate sharing of active and reactive power among voltage source inverters (VSI) working in parallel while keeping the voltage frequency and amplitude ...
  • Active damping based on Ackermann's formula for a three-phase voltage source inverter with LCL filter 

    Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Morales López, Javier; Momeneh, Arash; Miret Tomàs, Jaume; Torres Martínez, Javier (2015)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This paper presents an active damping method in natural frame for a three-phase voltage source inverter with LCL filter. The proposed method is based on the pole placement technique via Ackermann's formula. This approach ...
  • Sliding-mode control for a three-phase shunt active power filter in natural frame 

    Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Morales López, Javier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Torres Martínez, Javier (2015)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This paper presents an improved variable hysteresis-band current-control in natural frame for a three-phase shunt active power filter. The proposed control algorithm is based on three decoupled sliding-mode controllers ...
  • Architecture and design of an inductive contactless energy transfer system with two mobile loads for residential applications 

    Momeneh, Arash; Castilla Fernández, Miguel; van der Pijl, Fredrik F.A.; Guzmán Solà, Ramon; Morales López, Javier (2015)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    Inductive contactless energy transfer systems with multiple mobile loads are very complex systems. Main challenges of these systems are to propose a suitable architecture and to design their power components. These ...

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