• A communication: assisted protection for MVDC distribution systems with distributed generation 

    Monadi, Mehdi; Gavriluta, Catalin; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
    Texto en actas de congreso
    Acceso abierto
    In this paper, a communication-assisted protection scheme is proposed for medium voltage dc (MVDC) distribution networks. MVDC grids are applicable for connection between microgrids, upgrading the transmission capacity of ...
  • A communication-assisted protection scheme for direct-current distribution networks 

    Monadi, Mehdi; Zamani, M. Amin; Koch-Ciobotaru, Cosmin; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016-05-27)
    Artículo
    Acceso restringido por política de la editorial
    One of the major issues associated with the implementation of direct-current distribution systems is the design of a proper protection scheme. The fault current characteristics in direct-current distribution systems are ...
  • A comparative study of methods for estimating virtual flux at the point of common coupling in grid connected voltage source converters with LCL filter 

    Roslan, Nurul Fazlin; Suul, Jon Are; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016)
    Texto en actas de congreso
    Acceso abierto
    Grid connected Voltage Source Converters (VSCs) with LCL filters usually have voltage measurements at the filter capacitors, while it can be important to control the active or reactive power injection at the grid-side of ...
  • A control strategy for DC-link voltage control containing PV generation and energy storage — An intelligent approach 

    Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Texto en actas de congreso
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    In this paper, DC-link voltage control in DC microgrids with photovoltaic (PV) generation and battery, is addressed based on an intelligent approach. The proposed strategy is based on the modeling of the power interface, ...
  • Active power limiter for grid connection of modern renewable SSG SPC 

    Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro (2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Management of Renewable Static Synchronous Generation units based on Synchronous Power Controller (RSSG-SPC), not only provides grid synchronization without using PLL and gives proper dynamic to output active power, moreover ...
  • Adaptive droop for control of multiterminal DC bus integrating energy storage 

    Gavriluta, Catalin; Candela García, José Ignacio; Rocabert Delgado, Joan; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015-02-01)
    Artículo
    Acceso abierto
    Multiterminal dc (MTDC) systems are drawing a lot of interest lately in applications related to distributed generation, especially in those that integrate wind or photovoltaic (PV) generation with energy storage (ES). ...
  • Adaptive droop for primary control in MTDC networks with energy storage 

    Gavriluta, Catalin; Candela García, José Ignacio; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (2013)
    Comunicación de congreso
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    Multi-terminal DC (MTDC) systems are drawing a lot of interest lately in applications related to distributed generation, especially in those that integrate wind or PV systems together with energy storage. This paper proposes ...
  • Advanced control of a high power converter connected to a weak grid 

    Shahparasti, Mahdi; Catalán, Pedro; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2016)
    Texto en actas de congreso
    Acceso abierto
    This paper addresses the stability problems of a high power converter connected to a weak grid. The wide range values that grid impedance can take, challenges the stability and the performance of the controllers, which are ...
  • Advanced structures for grid synchronization of power converters in distributed generation applications 

    Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro; Teodorescu, Remus; Blaabjerg, Frede (2012)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The Transmission System Operators are specially concerned about the Low Voltage Ride Through requirements of distributed generation power plants. Solutions based on the installation of STATCOMs and DVRs, as well as on ...
  • A generalized voltage droop strategy for control of multiterminal DC grids 

    Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015-02)
    Artículo
    Acceso abierto
    This paper proposes a generalized voltage droop (GVD) control strategy for dc voltage control and power sharing in voltage source converter (VSC)-based multiterminal dc (MTDC) grids. The proposed GVD control is implemented ...
  • A hierarchical control structure for multi-terminal VSC-based HVDC grids with GVD characteristics 

    Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2013)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    This paper presents a hierarchical control structure for Multi terminal HVDC grids. The hierarchical control structure is inspired by the three-layer control structure of largescale AC power systems and it is divided into ...
  • A hybrid power flow controller for flexible operation of multi-terminal DC grids 

    Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Texto en actas de congreso
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    This paper develops a hybrid power flow controller (HPFC) to take one step forward for building future flexible DC transmission system (FDCTS). The idea for proposing HPFC is inspired by the successful operation of flexible ...
  • An active power self-synchronizing controller for grid-connected converters emulating inertia 

    Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Renewable energy sources are increasing their penetration in power systems, making necessary new control systems that offer services usually provided only by conventional generators. In this paper, an active power controller ...
  • An active power synchronization control loop for grid-connected converters 

    Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The increasing penetration of renewable energy sources in power systems requires new control systems that provide services similar to those of conventional generators. This paper proposes an active power controller that ...
  • An active power synchronizing controller for grid-connected power converters with configurable natural droop characteristics 

    Zhang, Weiyi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (2015)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Improving the dynamics of the widely applied gridconnected power converters has been drawing a lot of interests in recent years. Since the currently installed grid-connected converters doesn’t shown inertia effect in power ...
  • Analysis of ferroresonance effects in distribution networks with distributed source units 

    Monadi, Mehdi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rocabert Delgado, Joan; Fayezizadeh, Mostafa; Rodríguez Cortés, Pedro (2013)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The connection of Distributed Generation (DG) units to existing networks may give rise to harmful effects on the network and the DG units itself. Therefore, due to increasing penetration of DG units, it is important to ...
  • Analysis on capability of harmonic damping using active filter acting as resistive harmonic impedance 

    Hasan, Khurshid N Md; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2013)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This paper presents the analysis of shunt active filter (SAF) in harmonic damping. SAF with voltage-based detection control act as an active damping and able to attenuate harmonic propagation throughout the power distribution ...
  • Analysis on dynamic interaction of renewable SSG SPC with external power grid 

    Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro (2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Control of renewables by Synchronous Power Controller (SPC) technology provides virtual damping and inertia which results to support phase stability on the grid and keep synchronism of interconnected areas tighter. Serving ...
  • Analysis on impacts of the shunt conductances in multi-terminal HVDC grids optimal power-flow 

    Heidary Yazdi, Seyed Saeid; Rouzbehi, Kumars; Candela García, José Ignacio; Milimonfared, Jafar; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Texto en actas de congreso
    Acceso abierto
    This study deals with impacts of the shunt conductances associated with HVDC cables and VSC-HVDC stations on optimal operation of Multi-Terminal HVDC (MT-HVDC). In this study, for the first time, shunt conductances are ...
  • An overview of harmonic analysis and resonances of large wind power plant 

    Md. Hasan, Khairul Nisak; Rauma, Kalle; Rodríguez Cortés, Pedro; Candela García, José Ignacio; Muñoz Aguilar, Raúl Santiago; Luna Alloza, Álvaro (IEEE, 2011)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This paper presented an overview of harmonic analysis and resonance in large wind power plant. The harmonic related problem becomes a concern as the growing numbers of nonlinear load and the increased possibility of ...