Recent Submissions

  • Upward propagation of gigantic jets revealed by 3D radio and optical mapping 

    Boggs, Levi D.; Mach, Doug; Bruning, Eric; Liu, Ningyu; Van der Velde, Oscar Arnoud; Montanya Puig, Joan; Cummer, Steven A.; Palivec, Kevin; Chmielewski, Vanna; MacGorman, Donald R.; Peterson, Michael J. (2022-08-05)
    Article
    Open Access
    Occasionally, lightning will exit the top of a thunderstorm and connect to the lower edge of space, forming a gigantic jet. Here, we report on observations of a negative gigantic jet that transferred an extraordinary amount ...
  • New smart sensor for voltage unbalance measurements in electrical power systems 

    Bogarra Rodríguez, Santiago; Saura Perisé, Jaime; Rolán Blanco, Alejandro (Multidisciplinary Digital Publishing Institute (MDPI), 2022-10-27)
    Article
    Open Access
    This paper deals with voltage unbalances and how they can be quantified according to the standards. Firstly, a comparison between the different unbalance voltage factors is conducted in order to remark on their divergences. ...
  • Comparison of small-signal admittance-based models of doubly-fed induction generators 

    Pedra Durán, Joaquim; Sainz Sapera, Luis; Monjo Mur, Lluís (2023-02)
    Article
    Restricted access - publisher's policy
    This paper reviews and compares the main doubly-fed induction generator (DFIG) models for stability assessment in the literature by PSCAD/EMTDC simulation. The main contribution of the paper is a detailed study on small- ...
  • Short-circuit analysis of AC distribution systems dominated by voltage source converters considering converter limitations 

    Song, Jie; Cheah Mañé, Marc; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2022-09-12)
    Article
    Restricted access - publisher's policy
    This paper deals with the short-circuit analysis of distribution systems dominated by Voltage Source Converters (VSCs). A novel methodology has been proposed in this paper for short-circuit calculation of power systems ...
  • Estudio de la accidentabilidad de la minería española en el período 2010-2019 

    Sanmiquel Pera, Lluís; Bascompta Massanes, Marc; Freijo Álvarez, Modesto; Vintró Sánchez, Carla; Felipe Blanch, José Juan de (2022-10-26)
    Article
    Open Access
  • A parametric approach for the study of three-phase inverters subject to grid faults 

    Rolán Blanco, Alejandro; Sainz Sapera, Luis (2022-09-01)
    Article
    Open Access
    The aim of this work is to describe the behavior of three-phase inverters connected to a faulty grid by means of a parametric approach which gives rise to limaçon of Pascal curves and 3D figures formed by the injected ...
  • System-level performance and robustness of the grid-forming hybrid angle control 

    Tayyebi, Ali; Magdaleno, Alan; Vettoretti, Denis; Chen, Meng; Prieto Araujo, Eduardo; Anta, Adolfo; Dörfler, Florian (2022-11-01)
    Article
    Restricted access - publisher's policy
    This paper investigates the implementation and application of the multi-variable grid-forming hybrid angle control (HAC) for high-power converters in transmission grids. We explore the system-level performance and robustness ...
  • Energy harvesting methods for transmission lines: a comprehensive review 

    Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Bogarra Rodríguez, Santiago (Multidisciplinary Digital Publishing Institute, 2022-10-22)
    Article
    Open Access
    Humanity faces important challenges concerning the optimal use, security, and availability of energy systems, particularly electrical power systems and transmission lines. In this context, data-driven predictive maintenance ...
  • Design of a segmented switched reluctance drive for a light electric vehicle 

    Andrada Gascón, Pedro (2022-09-01)
    Article
    Open Access
    The light electric vehicle market requires better performance motors with less or even without permanent magnets. Switched reluctance motors (SRM) are among the best placed to meet this goal, despite they have lower power ...
  • Spectrum of corona discharges and electric arcs in air under aeronautical pressure conditions 

    Riba Ruiz, Jordi-Roger (Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-18)
    Article
    Open Access
    Due to the increase in electrical power demand, future more electric and all-electric aircraft designs will operate at higher voltage levels compared to current aircraft. Due to higher voltage levels and reduced operating ...
  • A fast power calculation algorithm for three-phase droop-controlled-inverters using combined SOGI filters and considering nonlinear loads 

    Li, Mingshen; Matas Alcalá, José; El Mariachet Carreño, Jorge; Castelo Branco, Carlos Gustavo; Guerrero, Josep M. (2022-10-07)
    Article
    Open Access
    The power calculation is an indispensable element in droop-controlled inverters because the bandwidth of the measured power has a direct impact on the controller performance. This paper proposes a fast and accurate power ...
  • Use of DSLR and sonic cameras to detect and locate high-voltage corona discharges 

    Riba Ruiz, Jordi-Roger; Bas Calopa, Pau (Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-24)
    Article
    Open Access
    Corona discharges are a concern in high-voltage applications. It is of utmost importance to detect and locate the discharges at an early stage using simple methods for this purpose. This paper evaluates and compares the ...

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