Recent Submissions

  • Flexible smart energy-management systems using an online tendering process framework for microgrids 

    Selseleh Jonban, Mansour; Romeral Martínez, José Luis; Rakhshani, Elyas; Marzband, Mousa (2023-07-01)
    Article
    Open Access
    Currently, modern power grids are evolving into complex cyber-physical systems integrated with distributed energy resources that can be controlled and monitored by computer-based algorithms. Given the increasing prevalence ...
  • Real-time lithium battery aging prediction based on capacity estimation and deep learning methods 

    Vega Hernández, Joaquín de la; Riba Ruiz, Jordi-Roger; Ortega Redondo, Juan Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2023-12-27)
    Article
    Open Access
    Lithium-ion batteries are key elements in the development of electrical energy storage solutions. However, due to cycling, environmental, and operating conditions, battery capacity tends to degrade over time. Capacity fade ...
  • Mathematical modeling of battery degradation based on direct measurements and signal processing methods 

    Vega Hernández, Joaquín de la; Riba Ruiz, Jordi-Roger; Ortega Redondo, Juan Antonio (Multidisciplinary Digital Publishing Institute, 2023-04-14)
    Article
    Open Access
    This paper proposes and evaluates the behavior of a new health indicator to estimate the capacity fade of lithium-ion batteries and their state of health (SOH). This health indicator is advantageous because it does not ...
  • Optimal neuro-fuzzy model and PID controller of a hydro-generator unit from the identification of its LTI model 

    Rodríguez Flores, Jesús; Herrera Perez, Victor; Pacheco Cunduri, Mayra; Hernández Ambato, Jorge; Paredes Camacho, Alejandro; Delgado Prieto, Miquel (Elsevier, 2023-05-15)
    Article
    Open Access
    This paper describes a methodology to obtain a neuro-fuzzy model of a hydro-generator unit (HGU) and its PID controller from the identification of its linear time-invariant (LTI) model. The study performs a cause-effect ...
  • Multiple input-single output DC-DC converters assessment for low power renewable sources integration 

    Soldado Guamán, Joaquin; Herrera Perez, Victor; Pacheco Cunduri, Mayra; Paredes Camacho, Alejandro; Delgado Prieto, Miquel; Hernández Ambato, Jorge (2023-02-07)
    Article
    Open Access
    This paper presents a comparison of Isolated (Flyback) and non-Isolated (Buck) multiple input-single output (MISO) DC-DC converters. The analysis of DC-DC converters is based on pulsed voltage source cells (PVSC). The ...
  • Field programmable gate array-based smart switch to avoid inrush current in PV installations 

    Martínez Figueroa, Gerardo de Jesús; Córcoles López, Felipe; Bogarra Rodríguez, Santiago (Multidisciplinary Digital Publishing Institute (MDPI), 2024-02-01)
    Article
    Open Access
    This paper introduces an FPGA-based implementation of a smart switch designed to avoid inrush currents occurring during the connection of single-phase transformers utilized in grid-connected photovoltaic (PV) systems. The ...
  • A novel three-dimensional sigma–delta modulation for high-switching-frequency three-phase four-wire active power filters 

    Lumbreras Carrasco, David; Zaragoza Bertomeu, Jordi; Lamich Arocas, Manuel; Berbel Artal, Néstor; Romero Cadaval, Enrique (2024-02-01)
    Article
    Open Access
    This article presents a new modulation technique called three-dimensional sigma–delta (3D-S¿ ) modulation for high-frequency three-leg four-wire voltage source converters (VSCs) that use wide-bandgap (WBG) semiconductors. ...
  • Multi-layer smart fault protection for secure smart grids 

    Bakkar, Mostafa; Bogarra Rodríguez, Santiago; Córcoles López, Felipe; Al Hanaineh, Wael Hasan Ahmad (Institute of Electrical and Electronics Engineers (IEEE), 2023-07)
    Article
    Open Access
    The trend toward Smart grid (SG) is increasing significantly by incorporating Distributed Generators (DGs), which leads to new challenges, especially in protection systems. SGs should strengthen robust environments against ...
  • Radial thermoelectric model for stranded transmission line conductors 

    Riba Ruiz, Jordi-Roger (Multidisciplinary Digital Publishing Institute (MDPI), 2023-11-15)
    Article
    Open Access
    Bare-stranded conductors play a critical role in the efficiency and safe operation of transmission lines. The heat generated in the interior of the conductor is conducted radially to the outer surface, creating a radial ...
  • Smart switching in single-phase grid-connected photovoltaic power systems for inrush current elimination 

    Martínez Figueroa, Gerardo de Jesús; Bogarra Rodríguez, Santiago; Córcoles López, Felipe (2023-10-01)
    Article
    Open Access
    Grid-connected photovoltaic (PV) power systems are one of the most promising tech- nologies to address growing energy demand and ecological challenges. This paper proposes smart switching to mitigate inrush currents during ...
  • Transformer modelling considering power losses using an inverse Jiles-Atherton approach 

    Badri Barberán, José Antonio; Riba Ruiz, Jordi-Roger; García Espinosa, Antonio; Trujillo, S; Marzàbal, Albert (Elsevier, 2023-12)
    Article
    Open Access
    Power transformers are devices with non-linear behavior due to the saturation of the ferromagnetic core. When modelling such devices, the saturation effect must be taken into account because it greatly affects their ...
  • Experimental validation of the adiabatic assumption of short-circuit tests on bare conductors 

    Riba Ruiz, Jordi-Roger; González Farré, David; Bas Calopa, Pau; Moreno Eguilaz, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2023-05-31)
    Article
    Open Access
    According to various international standards, many high-voltage devices must withstand short-circuit tests. Due to the enormous power and current requirements, they have to be tested in very specialized and expensive power ...

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