Recent Submissions

  • Short-term energy storage for power quality improvement in weak MV grids with distributed renewable generation 

    Díaz González, Francisco; del Rosario Calaf, Gerard; Girbau Llistuella, Francesc; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference lecture
    Open Access
    The intermittent and stochastic nature of renewable energy sources impose several challenges for the operation of electrical networks, and affect power quality levels as well. This paper addresses one of the issues associated ...
  • Interaction analysis in islanded power systems with HVDC interconnections 

    Collados Rodríguez, Carlos; Prieto Araujo, Eduardo; Cheah Mañé, Marc; Ferrer San José, Ricard; Gomis Bellmunt, Oriol; Sanz, Silvia; Longás, Carmen; Cordón, Antonio; Coronado, Luis (2018)
    Conference lecture
    Open Access
  • Stability and interaction analysis in islanded power systems including VSC-HVDC and LCC-HVDC power converters 

    Collados Rodríguez, Carlos; Cheah Mañé, Marc; Prieto Araujo, Eduardo; Ferrer San José, Ricard; Sánchez Sánchez, Enric; Gomis Bellmunt, Oriol; Sanz, Silvia; Longás, Carmen; Cordón, Antonio; Coronado, Luis (2018)
    Conference lecture
    Open Access
  • Evaluation of a state observer for frequency estimation in a grid tied photovoltaic inverter 

    Cabrera Tobar, Ana; Gomis Bellmunt, Oriol; Carrasco, Juan A.; Barnes, Mike (2018)
    Conference report
    Restricted access - publisher's policy
    Ahstract-A phase locked loop (PLL) is commonly used to measure the electrical frequency deviations in PV grid tied inverters. However, this control is affected by sudden changes of power that usually happens with this type ...
  • Effect of variable solar irradiance on the reactive power response of photovoltaic Generators 

    Cabrera Tobar, Ana; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol (2018)
    Conference report
    Restricted access - publisher's policy
    New grid requirements for large scale photovoltaic power plants (LS-PVPPs) demanding ancillary services make necessary the enhancement of photovoltaic (PV) generator's control. One of the challenges is the reactive power ...
  • Dynamic modelling and control of a PV generator for large scale applications 

    Cabrera Tobar, Ana; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    As large scale photovoltaic power plants are increasing their capacity, the new grid codes are requiring that these power plants have similar performance as conventional power plants do. Because of this, it is essential ...
  • Demonstration experience of the smart rural grid project 

    Girbau Llistuella, Francesc; Sumper, Andreas; Heredero Peris, Daniel; Pagès Giménez, Marc; Chillón Antón, Cristian; Vidal Clos, Josep Andreu; Díaz González, Francisco (2016)
    Conference lecture
    Restricted access - publisher's policy
    This paper aims to detail and illustrate the experiences for the grid-connected mode during the operational phase of the Smart Rural Grid (SRG) project. The SRG project is focused on DSO's capabilities to increase the ...
  • Multi-period power management optimization for operating isolated hybrid microgrids 

    Galceran-Feixas, M.; Aragüés Peñalba, Mònica; Bullich Massagué, Eduard; Vidal Clos, J.-A; Gomis Bellmunt, Oriol (2018)
    Conference report
    Restricted access - publisher's policy
    The aim of this study is to develop an algorithm for ensuring optimal operation of isolated microgrids. The generic microgrid considered consists of a set of distributed controllable generators integrated to a distribution ...
  • Transformerless DC/DC converter based on the autotransformer concept for the interconnection of HVDC grids 

    Sau Bassols, Joan; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Alves Baraciarte, Roberto; Nami, Alireza (2018)
    Conference report
    Restricted access - publisher's policy
    DC/DC autotransformers present several advantages compared to Front-To-Front (F2F) topologies. This work presents the Transformerless (TL) DC/DC autotransformer topology, which consists on the substitution of the AC ...
  • Switched reluctance motor controller for light electric vehicles 

    Andrada Gascón, Pedro; Blanqué Molina, Balduino; Capó Lliteras, Macià; Gross, Gabriel Igor; Montesinos Miracle, Daniel (2018)
    Conference lecture
    Open Access
    Nowadays, switched reluctance motor drives are one of the most promising alternatives for the elimination of permanent magnets in the electric traction systems, due to their well-known advantages such as simple and rugged ...
  • Harmonic stability and interactions in meshed VSC-HVDC dominated power systems 

    Agbemuko, A. J.; Domínguez García, José Luis; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Energynautics GmbH, 2017)
    Conference report
    Restricted access - publisher's policy
    HVDC technology is being increasingly used to integrate RES, transmit power via long distance connections, interconnect regions to allow for cross-border sharing of resources and, strengthen AC networks among others. Such ...
  • Design and implementation of an LCL DC/DC converter prototype for DC grids 

    Ferrer San José, Ricard; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Colas, Frederic; Marin, Daniel; Guillaud, Xavier; Hajian, Masood; Nguefeu, Samuel (2017)
    Conference report
    Restricted access - publisher's policy
    This paper is focused on the design and implementation of an LCL DC/DC converter prototype. This inductor-capacitor-inductor (LCL) topology offers some promising properties as fault tolerant capability for DC grids, being ...

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