Enviaments recents

  • Analysis and control of multi–area HVDC interconnected power systems by using virtual inertia 

    Rakhshani, Elyas (Universitat Politècnica de Catalunya, 2016-12-14)
    Tesi
    Accés obert
    Virtual inertia is known as an inevitable part of the modern power systems. Recent trend of research is oriented in different methods of emulating virtual inertia in different part of the systems. This dissertation is ...
  • Protection and fault management in active distribution systems 

    Monadi, Mehdi (Universitat Politècnica de Catalunya, 2016-12-14)
    Tesi
    Accés obert
    The integration of renewable energy resources (RES), as a type of distributed generation (OG) units, is increasing in distribution, systems. This integration, changes the topology, performance and the operational aspects ...
  • Development of high-capacity substation connectors compatible with HTLS technology 

    Capelli, Francesca (Universitat Politècnica de Catalunya, 2017-03-16)
    Tesi
    Accés obert
    The advent of HTLS (High Temperature, Low Sag) conductors imposes more severe operating conditions on devices such as substation connectors intended for transmission and distribution systems, which are subjected to higher ...
  • Electromagnetic models for ultrasound image processing 

    Navarrete, Hugo (Universitat Politècnica de Catalunya, 2016-01-29)
    Tesi
    Accés obert
    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)
    Tesi
    Accés obert
    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)
    Tesi
    Accés obert
    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)
    Tesi
    Accés obert
    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)
    Tesi
    Accés obert
    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)
    Tesi
    Accés obert
    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)
    Tesi
    Accés obert
    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 ...

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