Enviaments recents

  • Electrical resonance instability study in wind power plants 

    Sainz Sapera, Luis; Mesas García, Juan José; Monjo Mur, Lluís; Pedra Durán, Joaquim; Cheah Mañé, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    Wind power plant stability can be affected by the interaction between the wind turbine and the resonances in the collector grid. This paper presents an electrical resonance instability study applied to wind power plants. The ...
  • Electrical resonance instability study in traction systems 

    Sainz Sapera, Luis; Monjo Mur, Lluís; Mesas García, Juan José; Pedra Durán, Joaquim; Cheah Mañé, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    Traction system stability can be affected by the interaction between the traction load and resonances in the railway traction grid. This paper presents an electrical resonance instability study applied to traction systems. ...
  • Study of MVDC system benchmark networks 

    Mesas García, Juan José; Monjo Mur, Lluís; Sainz Sapera, Luis; Pedra Durán, Joaquim (2015)
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  • Study of cable short circuit in VSC DC systems 

    Monjo Mur, Lluís; Mesas García, Juan José; Sainz Sapera, Luis; Pedra Durán, Joaquim (2015)
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  • Impact of voltage sags on DC bus voltage in unipolar LVDC systems 

    Monjo Mur, Lluís; Mesas García, Juan José; Sainz Sapera, Luis; Saura Perisé, Jaime; Pedra Durán, Joaquim (2015)
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  • A unified analytical model for characterization of cable faults in VSC DC systems 

    Mesas García, Juan José; Monjo Mur, Lluís; Sainz Sapera, Luis; Pedra Durán, Joaquim (2015)
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  • Multiobjective optimization of IPM synchronous motor using response surface methodology and filtered Monte Carlo approach 

    Seifert, Robert; Bargalló Perpiñá, Ramón (2014)
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    Permanent Magnet Synchronous Motors offer high efficiency and power density besides low assembly effort and hence have been established in a wide market over the past years. Especially buried magnets enable a superior field ...
  • Burden resistor selection in current transformers for low power applications 

    Conesa Roca, Alfons; Bargalló Perpiñá, Ramón; Velasco Quesada, Guillermo; Román Lumbreras, Manuel (Universitat Rovira i Virgili, 2014)
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    In order to sense AC current with electric isolation in high frequency switching power converters the most simple and low cost solution is to consider a current transformer with a burden resistor. But burden resistor ...
  • Modeling harmonics of networks supplying nonlinear loads 

    Lamich Arocas, Manuel; Balcells Sendra, Josep; Corbalán Fuertes, Montserrat; Sainz Sapera, Luis; Fernandez, Cristian (2014)
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    This work presents the development and validation of a model for electric networks supplying nonlinear loads (NLL). The model is based on Neural Networks (NN) and its purpose is the prediction of harmonic currents sank by ...
  • Power quality aspects of smart grids 

    Bollen, Math H.J.; Zhong, Jin; Zavoda, Francisc; Meyer, Jan; McEachern, Alex; Córcoles López, Felipe (2010)
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    This paper gives an overview of the smart grids developments, seen from a power-quality viewpoint; describes the main relations between smart grids and power quality, and goes into some detail for some of the aspects. ...

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