Envíos recientes

  • Electromagnetic models for ultrasound image processing 

    Navarrete, Hugo (Universitat Politècnica de Catalunya, 2016-01-29)
    Tesis
    Acceso abierto
    Speckle noise appears when coherent illumination is employed, as for example Laser, Synthetic Aperture Radar (SAR), Sonar, Magnetic Resonance, X-ray and Ultrasound imagery. Backscattered echoes from the randomly distributed ...
  • Análisis y comparación de algoritmos de un PLL monofásico basados en un filtro paso todo digital 

    Belandria, Luciano Emilio (Universitat Politècnica de Catalunya, 2015-09-18)
    Tesis
    Acceso abierto
    The phase-locked loop (PLL) is an element of a grid-connected converter system, which provides phase angle and frequency measurements of the grid voltage. The PLL takes care of control the synchronization with the grid ...
  • Aportaciones al control de la máquina de reluctancia híbrida HRM como motor y generador 

    Gomila González, Marcos (Universitat Politècnica de Catalunya, 2016-06-07)
    Tesis
    Acceso abierto
    The nature of the SRM (Switched Reluctance Motor) makes this type of motor one of the candidates to investigate over the next few years. Its mechanical development is simple and inexpensive, but requires an electronic ...
  • Power converter control for offshore wind energy generation and transmission 

    Prieto Araujo, Eduardo (Universitat Politècnica de Catalunya, 2016-05-27)
    Tesis
    Acceso abierto
    This thesis discusses the control of different power converters that will have a key role in future offshore wind power systems, enabling the integration of the power generated by the wind turbines into the mainland ...
  • Analysis of power distribution systems using a multicore environment 

    Guerra Sánchez, Luis Gerardo (Universitat Politècnica de Catalunya, 2016-04-05)
    Tesis
    Acceso abierto
    Currently it is widely accepted that the construction of large generation centers is no longer the best option to supply the increment of electric load. High costs related to the construction of new generation centers, ...
  • Operation and control of transmission systems for offshore wind power plants 

    Aragüés Peñalba, Mònica (Universitat Politècnica de Catalunya, 2016-04-29)
    Tesis
    Acceso abierto
    This thesis deals with grid integration of oshore wind power plants through HVDC (High Voltage Direct Current) or HVAC (High Voltage Alternating Current) transmission . The behaviour of wind farms and their transmission ...
  • Multi-terminal HVDC grids control and operation 

    Rouzbehi, Kumars (Universitat Politècnica de Catalunya, 2016-03-29)
    Tesis
    Acceso abierto
    In recent years, there have been considerable efforts in the design and development of technologies and techniques for more efficient harvesting of renewable energy resources to meet the ever increasing electric power ...
  • Sistema d'anàlisi i planificació de xarxes de distribució d'energia elèctrica de mitjana tensió 

    Gratacòs Prats, Jaume (Universitat Politècnica de Catalunya, 2016-01-18)
    Tesis
    Acceso abierto
    The optimal planning of the annual development tasks of a medium voltage power distribution network, to tackle the evolution of the demand with maximum levels of quality and continuity of service and minimum investment, ...
  • Electricitat i foc: aportacions experimentals d'aplicació docent 

    Martí Tous, Marc (Universitat Politècnica de Catalunya, 2015-12-18)
    Tesis
    Acceso abierto
    According to reliable statistics, electrical fire ignition sources have a notable impact regarding the generation of fires and explosions. Electrical equipment and installations can also be the victims of fire. This is due ...
  • Aporte a la sostenibilidad y eficiencia energética de las viviendas de interés social de la zona intertropical : caso América del Sur 

    Agudelo Fernández, Nancy Alejandra (Universitat Politècnica de Catalunya, 2015-09-18)
    Tesis
    Acceso abierto
    The present work is framed in the area of the EE, raising main objectives: * The study and analysis of the State of energy efficiency in some Latin American countries * Analyze regulations, rules and standards in force ...

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