Now showing items 1-11 of 11

  • A stationary reference frame grid synchronization system for three-phase grid-connected power converters under adverse grid conditions 

    Rodríguez Cortés, Pedro; Luna Alloza, Álvaro; Muñoz Aguilar, Raúl Santiago; Etxebarría, Ion; Teodorescu, Remus; Blaabjerg, Frede (2012-01)
    Article
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    Grid synchronization algorithms are of great importance in the control of grid-connected power converters, as fast and accurate detection of the grid voltage parameters is crucial in order to implement stable control ...
  • 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)
    Conference report
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    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 ...
  • Connection and disconnection transients for micro-grids under unbalance load condition 

    Rocabert Delgado, Joan; Azevedo, Gustavo M.S.; Candela García, José Ignacio; Blaabjerg, Frede; Rodríguez Cortés, Pedro (2011)
    Conference report
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    The recent grid integration of Distributed Energy Resources (DER) possibility the formation of intentional islands in the case of a grid fault conditions. For such island formation is required an active agent capable of ...
  • Connection and disconnection transients for micro-grids under unbalance load condition 

    Rocabert Delgado, Joan; Azevedo, Gustavo M.S.; Candela García, José Ignacio; Luna Alloza, Álvaro; Blaabjerg, Frede; Rodríguez Cortés, Pedro (2014-03)
    Article
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    In this paper the design and the implementation of a method oriented to carry out a safe and a stable intentional disconnection, and re-connection, of local micro-grids from the main distribution network under generic grid ...
  • Control of power converters in distributed generation applications under grid fault conditions 

    Rodríguez Cortés, Pedro; Luna Alloza, Álvaro; Muñoz Aguilar, Raúl Santiago; Córcoles López, Felipe; Teodorescu, Remus; Blaabjerg, Frede (IEEE, 2011)
    Conference report
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    The operation of distributed power generation systems under grid fault conditions is a key issue for the massive integration of renewable energy systems. Several studies have been conducted to improve the response of ...
  • Current control method for distributed generation power generation plants under grid fault conditions 

    Rodríguez Cortés, Pedro; Luna Alloza, Álvaro; Hermoso Costa, Juan Ramón; Etxeberria Otadui, Ion; Teodorescu, Remus; Blaabjerg, Frede (IEEE Computer Society Publications, 2011)
    Conference report
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    The operation of distributed power generation systems under grid fault conditions is a key issue for the massive integration of renewable energy systems. Several studies have been conducted to improve the response of ...
  • Multilevel-clamped multilevel converters (MLC2) 

    Rodríguez Cortés, Pedro; Bellar, Maria Dias; Muñoz Aguilar, Raúl Santiago; Busquets Monge, Sergio; Blaabjerg, Frede (2012-03)
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    This letter introduces a new series of multilevel (ML) converters based on the ML clamping concept. By applying this technique, a ML clamping unit (MCU) conveys additional levels for synthesizing the output waveforms ...
  • Thermal and efficiency analysis of five-level multi-level clamped multilevel converter considering grid codes 

    Ma, Ke; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro; Blaabjerg, Frede (2012)
    Conference report
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    In this paper a five-level Multi-Clamped Multilevel Converter (5L-MLC2) topology is analyzed based on a typical grid integration application for renewable energy generation system. The loss and thermal distribution of the ...
  • Thermal and efficiency analysis of five-level multi-level clamped multilevel converter considering grid codes 

    Ma, Ke; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro; Blaabjerg, Frede (2013-06-05)
    Article
    Open Access
    In this paper a five-level Multi-Clamped Multilevel Converter (5L-MLC2) topology is analyzed based on a typical grid integration application for renewable energy system. The loss and thermal distribution of the power ...
  • Thermal and efficiency analysis of five-level multilevel-clamped multilevel converter considering grid codes 

    Ke, Ma; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro; Blaabjerg, Frede (2014-02)
    Article
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    In this paper, a five-level multilevel-clamped multilevel converter (5L-MLC2) topology is analyzed based on a typical grid integration application for renewable energy system. The loss and thermal distributions of the ...
  • Virtual-vector-based space vector pulse width modulation of the DC-AC multilevel-clamped multilevel converter (MLC2) 

    Rodríguez Cortés, Pedro; Muñoz Aguilar, Raúl Santiago; Busquets Monge, Sergio; D. Bellar, maria; Blaabjerg, Frede (IEEE, 2011)
    Conference report
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    This work presents the development of the space vector pulse width modulation (SVPWM) of a new multi-level converter topology. First, the proposed converter and its natural space vector diagram are presented. Secondly, ...