Now showing items 1-12 of 12

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

    Rakhshani, Elyas (Universitat Politècnica de Catalunya, 2016-12-14)
    Doctoral thesis
    Open Access
    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 ...
  • Aportaciones al filtrado híbrido paralelo en redes trifásicas de cuatro hilos 

    Candela García, José Ignacio (Universitat Politècnica de Catalunya, 2009-09-08)
    Doctoral thesis
    Open Access
    Este trabajo se dedica a analizar los diferentes elementos y estructuras de los filtros híbridos paralelo, aplicados a redes trifásicas de potencia. Y dentro de este campo, se concentra en el desarrollo de filtros híbridos ...
  • Common-mode voltage cancellation in single- and three-phase transformer-less PV power converters 

    Vázquez Guzmán, Gerardo (Universitat Politècnica de Catalunya, 2013-02-04)
    Doctoral thesis
    Open Access
    Electrical Energy generation is an issue that is continuously cause of concern around the world. Many efforts have been done in this sense to cover the requirements of the constantly growing in the electrical energy demand. ...
  • Competitive power control of distributed power plants 

    Mir Cantarellas, Antonio (Universitat Politècnica de Catalunya, 2018-04-05)
    Doctoral thesis
    Open Access
    Nowadays, the electrical energy sector is currently found in a dramatic changing paradigm, which moves towards an increasing trend in generating power at distribution levels, where electricity is typically consumed, by ...
  • Control and operation of multi-terminal VSC-DC networks 

    Gavriluţă, Cătălin (Universitat Politècnica de Catalunya, 2015-03-04)
    Doctoral thesis
    Open Access
    For the past century, ac networks have been established as the standard technology for electrical power transmission system s. However, the de technology has not disappeared completely from this picture. The capability of ...
  • Control of grid connected power converters with grid support functionalities 

    Zhang, Weiyi (Universitat Politècnica de Catalunya, 2017-06-01)
    Doctoral thesis
    Open Access
    The installation of power generation systems based on renewable energy sources has been increasing exponentially over the last decades. However, in spite of the well-known merits of such energy sources, the expansion of ...
  • Custom power active transformer for flexible operation of power systems 

    Elsaharty, Mohamed Atef Abbas (Universitat Politècnica de Catalunya, 2018-07-06)
    Doctoral thesis
    Open Access
    This PhD dissertation proposes a new transformer, i.e., the Custom Power Active Transformer, characterized by a specific design of its magnetic circuit and auxiliary windings which allows shunt and series compensation to ...
  • Design, implementation and validation of an IEC 61850-90-5 gateway for IEEE C37.118.2 synchrophasor data transfer 

    Reza Firouzi, Seyed (Universitat Politècnica de Catalunya, 2015-12)
    UPC Master thesis
    Open Access
  • Energy storage systems integration into PV power plants 

    Beltrán San Segundo, Héctor (Universitat Politècnica de Catalunya, 2011-12-16)
    Doctoral thesis
    Open Access
    The boom experienced by renewable sources in recent years has changed their consideration as a marginal component of the electrical system mix into a major player with an important role in the demand coverage in many ...
  • Impact of solar PV plants with synchronous power controllers on power system stability 

    Remón Rodríguez, Daniel (Universitat Politècnica de Catalunya, 2017-12-19)
    Doctoral thesis
    Open Access
    The irruption of renewable energy sources with power electronics interfaces is transforming power systems. To minimize the possible adverse effects that these generating systems may have on the power grid, transmission ...
  • Multi-terminal HVDC grids control and operation 

    Rouzbehi, Kumars (Universitat Politècnica de Catalunya, 2016-03-29)
    Doctoral thesis
    Open Access
    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 ...
  • Protection and fault management in active distribution systems 

    Monadi, Mehdi (Universitat Politècnica de Catalunya, 2016-12-14)
    Doctoral thesis
    Open Access
    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 ...