Exploració per autor "Muñoz Aguilar, Raúl Santiago"Més informació

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    • Generation frequency support by renewable SSG SPC unit on interconnected areas 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Supporting frequency inside of each generation area as well as keeping proper synchronism condition between interconnected areas are two main challenges for grid operators. In this paper, after analysis of structure of ...

    • Grid resonance attenuation in long lines by using renewable energy sources 

      Muñoz Aguilar, Raúl Santiago; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (2017)
      Text en actes de congrés
      Accés obert
      In this paper the grid harmonic resonance on long lines is studied, in particular the resonance phenomena between the grid series inductance and the line parallel capacitor. Later, the resonance is attenuated by using a ...

    • Improving long line stability by integrating renewables using static synchronous generators 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Hermoso Costa, Juan Ramón (2016)
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    • Modeling and simulation of a series hybrid electric vehicle propulsion system 

      Muñoz Aguilar, Raúl Santiago (Universitat Politècnica de Catalunya, 2010-01)
      Projecte Final de Màster Oficial
      Accés obert
      Two problems related with hybrid electric vehicles have been analyzed in this dissertation. The first one consists in proposing a propulsion system scheme for the vehicle and the second one consist in modeling it. In ...

    • Multilevel-clamped multilevel converters (MLC2) 

      Rodríguez Cortés, Pedro; Bellar, Maria Dias; Muñoz Aguilar, Raúl Santiago; Busquets Monge, Sergio; Blaabjerg, Frede (2012-03)
      Article
      Accés restringit per política de l'editorial
      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 ...

    • Multilevel-clamped multilevel converters (MLC2) – an alternative approach for multilevel power conversion 

      Rodríguez Cortés, Pedro; D. Bellar, maria; Muñoz Aguilar, Raúl Santiago; Rocabert Delgado, Joan; Luna Alloza, Álvaro (IEEE, 2011)
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      In this paper a new multilevel power conversion concept is proposed, whereby an additional auxiliary circuit composed of multilevel clamping cells is applied to a main DCAC converter. The resultant structure, the ...

    • Overview of power processing structures for embedding energy storage in PV power converters 

      Citro, Costantino; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Candela García, José Ignacio; Rodríguez Cortés, Pedro (IEEE Computer Society Publications, 2011)
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      The level of penetration of grid-connected photovoltaic (PV) systems has grown very quickly in recent years. Nonetheless, network stresses related to the recurrent voltage and frequency oscillations caused by their irregular ...

    • Phase stability enhancement in big power networks using renewable generation units controlled by SPC 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Hermoso Costa, Juan Ramón (2017)
      Text en actes de congrés
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      High penetration of Renewable Generation Units (RGU), has led to that the interaction of this newfound participators in power network with conventional units be more critical challenges for network operators. Effect on the ...

    • Robust Exact Differentiation via Sliding Mode Technique applied to a Fixed-Frequency Quasi-Sliding Control Algorithm 

      Biel Solé, Domingo; Fossas Colet, Enric; Meza Benavides, Carlos; Muñoz Aguilar, Raúl Santiago (2008-01)
      Report de recerca
      Accés obert
      This paper presents the design of a DC-AC power converter controller that bears the same benefits of a sliding mode controller but with the advantage of a fixed-frequency control signal. The controller is based on the ...

    • Sensor-less sliding mode control of a stand-alone wound rotor synchronous generator with unbalanced load 

      Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro; Dòria Cerezo, Arnau; Candela García, José Ignacio; Luna Alloza, Álvaro (IEEE, 2011)
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      This paper presents a Sliding Mode Control for a wound rotor synchronous machine acting as an isolated generator connected to an unbalanced load. In order to simplify the control methodology, the standard dq-model of ...

    • Sensorless control of PMSG–based wind energy conversion systems using a FLL–based synchronization technique 

      Aguilar, Daniel; Candela García, José Ignacio; Muñoz Aguilar, Raúl Santiago; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (IEEE, 2011)
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      The continuous and accurate information of generator speed in wind energy application is an essential requirement in order to get the maximum power at given tip speed ratio, since the maximum power is almost an cubic ...

    • SISTEMES ELÈCTRICS (Examen 1r quadrimestre, 2n parcial) 

      Aldabas Rubira, Emiliano; Luna Alloza, Álvaro; Muñoz Aguilar, Raúl Santiago (Universitat Politècnica de Catalunya, 2012-01-17)
      Examen
      Accés restringit a la comunitat UPC

    • SISTEMES ELÈCTRICS (Examen 1r quadrimestre, 2n parcial) 

      Aldabas Rubira, Emiliano; Luna Alloza, Álvaro; Muñoz Aguilar, Raúl Santiago (Universitat Politècnica de Catalunya, 2012-01-17)
      Examen
      Accés restringit a la comunitat UPC

    • Sliding mode control of a stand-alone wound rotor synchronous generator 

      Muñoz Aguilar, Raúl Santiago; Dòria Cerezo, Arnau; Fossas Colet, Enric; Cardoner Parpal, Rafel (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-10)
      Article
      Accés restringit per política de l'editorial
      This paper presents a sliding mode control for a wound rotor synchronous machine acting as an isolated generator. The standard dq model of the machine is connected to a resistive load. A switching function is defined ...

    • Sliding mode control of an isolated wound rotor synchronous generator 

      Dòria Cerezo, Arnau; Fossas Colet, Enric; Muñoz Aguilar, Raúl Santiago; Utkin, Vadim (2009)
      Text en actes de congrés
      Accés obert

    • Sliding mode control of the stand alone wound rotor synchronous generator 

      Muñoz Aguilar, Raúl Santiago (Universitat Politècnica de Catalunya, 2010-07-19)
      Tesi
      Accés obert
      En esta Tesis ha sido analizado el control de la màquina sincrónica de rotor bobinado actuando en isla. Para esta configuración, la velocidad mecànica determina la frecuencia, y la tensión de rotor se utiliza para fijar ...

    • Supporting phase stability on interconnected grids by synchronous renewable virtual power plants 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Hermoso Costa, Juan Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      Rapid growing on the power level of renewable generation units leads to that using more adaptable and flexible control techniques in this units becomes more important for grid operators. In this paper, after introducing ...

    • Symmetrical ripple constant common mode voltage modulation strategy for DCM-232 three- phase PV topology 

      Rodríguez Cortés, Pedro; Muñoz Aguilar, Raúl Santiago; Vázquez Guzmán, Gerardo; Candela García, José Ignacio; Aldabas Rubira, Emiliano; Etxeberria Otadui, Ion (IEEE, 2011)
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      In this paper a modulation strategy for the DCM-232 power converter is proposed. This modulation has as particular a symmetrical ripple and that no common mode currents are presented. Some simulation and experimental ...

    • Synchronous power controller merits for dynamic stability improvement in long line by renewables 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Hermoso Costa, Juan Ramón (2016)
      Text en actes de congrés
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    • The ideal sliding dynamics of a stand alone synchronous generator 

      Dòria Cerezo, Arnau; Fossas Colet, Enric; Muñoz Aguilar, Raúl Santiago (2011)
      Text en actes de congrés
      Accés obert
      The closes loop dynamics of a sliding-mode controlled stand alone synchronous generator with a resistive load is stuided in this paper. The resulting dynamics is piecewise continous, robust in front of parameter and load ...