Recent Submissions

  • On the TGF/lightning ratio asymmetry 

    Fabró Tàpia, Ferran; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Pineda Rüegg, Nicolau; Williams, Earle R. (2019-05-14)
    Article
    Open Access
    Africa is one of the most productive lightning regions on Earth, yet it has a lower TGF-to-lightning ratio especially compared with Central America. In this paper we have analyzed the global distribution of different ...
  • Optimal feeder flow control for grid connected microgrids 

    Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Prieto Araujo, Eduardo; Sumper, Andreas; Caire, Raphael (2019-11-01)
    Article
    Restricted access - publisher's policy
    The optimal management of distributed energy resources is one of theexisting challenges for the deployment of microgrids. When microgrids op-erate under feeder flow control mode, trying to maintain a constant self-consumption, ...
  • Five-level T-type cascade converter for rooftop grid-connected photovoltaic systems 

    Verdugo Retamal, Cristian Andrés; Kouro, Samir; Rojas, Christian A.; Pérez, Marcelo A.; Meynard, Thierry A.; Malinowski, Mariusz (2019-05-08)
    Article
    Open Access
    Multilevel converters are widely considered to be the most suitable configurations for renewable energy sources. Their high-power quality, efficiency and performance make them interesting for PV applications. In low-power ...
  • Charge structure of two tropical thunderstorms in Colombia 

    López Trujillo, Jesús Alberto; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Pineda Rüegg, Nicolau; Salvador Yuste, Albert; Romero Durán, David; Aranguren Fino, Harby Daniel; Taborda, John (2019-04-23)
    Article
    Open Access
    Charge structure derived from lightning leader development of tropical thunderstorms comprising equatorial latitudes of < ±10° has not been investigated yet. In this work, using a Lightning Mapping Array (LMA) installed ...
  • Comparison of mechanical and electrical characteristics of various polymers blended with ground tire rubber (GTR) and applications 

    Marín Genescà, Marc; Garcia Amoros, Jordi; Mujal-Rosas, Ramon Maria; Salueña Berna, Javier; Massagués, Lluís (2019-04-15)
    Article
    Open Access
    The massive manufacture of tires and the di culty of reducing the stocks of used tires is a serious environmental problem. There are several methods used for recycling wasted tires, one of which is mechanical crushing, in ...
  • Omron lanza su versión 1.30 de Motor Sizing Tool 

    Heredero Peris, Daniel; Bustamante, José-Ignacio; Sudrià Andreu, Antoni; Montesinos Miracle, Daniel (2019-04-10)
    Article
    Open Access
    La herramienta software para el diseño de aplicaciones de motion control permite acortar los plazos de (re)diseño y anticiparse a reconocer nuevas necesidades.CITCEA-UPC trabaja con Omron Corporation en el desarrollo de ...
  • Development of sustainable energy indexes by the utilization of new indicators: A comparative study 

    Razmjoo, Armin; Sumper, Andreas; Davarpanah, Afshin (Elsevier Ltd, 2019-11-01)
    Article
    Open Access
    Decision making to improve energy sustainability requires scientifically information based on sustainability. Since there are different sustainability targets and specific decision problems in this regard, hence to achieve ...
  • Impedance measurement and detection frequency bandwidth, a valid island detection proposal for voltage controlled inverters 

    Llonch Masachs, Marc; Heredero Peris, Daniel; Chillón Antón, Cristian; Montesinos Miracle, Daniel; Villafafila Robles, Roberto (Multidisciplinary Digital Publishing Institute, 2019-03-18)
    Article
    Open Access
    Anti-islanding detection methods have been part of a secure operation for distributed energy resource inverters, avoiding the creation of non-intentional energization when the mains are lost. These detection mechanisms ...
  • Advanced quiz development for students’ self-learning in power generation, transmission and distribution 

    Bogarra Rodríguez, Santiago; Corbalán Fuertes, Montserrat; Plaza, Inmaculada (SAGE PUBLICATIONS INC, 2019)
    Article
    Restricted access - publisher's policy
    Students’ learning can be improved by using online quizzes with a valuable feedback, especially in large groups, making it very interesting for engineering subjects which are based on mathematics. This paper presents the ...
  • A unified power flow controller using a power electronics integrated transformer 

    Atef Elsaharty, Mohammed; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019-02-05)
    Article
    Open Access
    This paper presents a Unified Power Flow Controller (UPFC) application of the Custom Power Active Transformer (CPAT); a power electronics integrated transformer which provides services to the grid through ...
  • Three-phase isolated multi-modular converter in renewable energy distribution systems 

    Verdugo Retamal, Cristian Andrés; Candela García, José Ignacio; Blaabjerg, Frede; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-25)
    Article
    Restricted access - publisher's policy
    Multilevel converters are widely used in medium and high voltage applications. Their high performance, power quality, efficiency and smaller filters make them interesting for renewable energy distribution systems. In ...
  • Economic evaluation of Nearly Zero Energy Cities 

    Villa Arrieta, Manuel Ricardo; Sumper, Andreas (2019-03-01)
    Article
    Restricted access - publisher's policy
    As a contribution to the study of the urban energy transition, this paper proposes a novel model of energy-economic evaluation of the cities self-sufficiency and presents its application in the form of a case study. The ...

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