Recent Submissions

  • Small scale simulation of lightning using vertical wires deployed by drones: on the land and sea peak current asymetry 

    Montañá Puig, Juan; Fontanes Molina, Pol; Arcanjo, Marcelo; Urbani, Michele; Williams, Earle Rolfe; Romero Durán, David; Horta Bernús, Ricard; López Trujillo, Jesús Alberto; Van der Velde, Oscar Arnoud; Pineda Rüegg, Nicolau (2022)
    Conference report
    Restricted access - publisher's policy
    In this work we simulate lightning by means of vertical wires deployed by a multirotor drone under fair weather conditions. These wires, when isolated from ground, acquire an electric potential by virtue of electrostatic ...
  • AC/DC systems interconnected by power converters: Modelling and practical aspects 

    Arévalo Soler, Josep; Sánchez Sánchez, Enric; Gomis Bellmunt, Oriol; Prieto Araujo, Eduardo (2021)
    Conference report
    Open Access
    The paper addresses the modelling of AC/DC systems interconnected by power converters. A non-linear model including three AC subsystems and two multiterminal DC systems interconnected by power converters are modelled in ...
  • 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 ...
  • Potential use of space-based lightning detection in electric power systems 

    Montañá Puig, Juan; López Trujillo, Jesús Alberto; Van der Velde, Oscar Arnoud; Solà de las Fuentes, Glòria; Romero Durán, David; Morales Rodríguez, Carlos Augusto; Visacro, Silverio; Saba, Manuel; Goodman, Steven J.; Williams, Earle R.; Peterson, Michael J.; Pineda, Nicolau; Sousa Arcanjo, Marcelo Augusto; Aranguren Fino, Daniel (2022-12)
    Article
    Open Access
    Information about lightning activity and its parameters is necessary to design and evaluate the lightning protection of an electrical power system. This information can be obtained from ground-based lightning detection ...
  • A systematic review of machine learning techniques related to local energy communities 

    Hernández Matheus, Alejandro Henrique; Löschenbrand, Markus; Berg, Kjersti; Fuchs, Ida; Aragüés Peñalba, Mònica; Bullich Massagué, Eduard; Sumper, Andreas (2022-12)
    Article
    Open Access
    In recent years, digitalisation has rendered machine learning a key tool for improving processes in several sectors, as in the case of electrical power systems. Machine learning algorithms are data-driven models based on ...
  • Leveraging bi-directional EV charging for flexibility services in the distribution grid - the case of fever project 

    Kokos, Isidoros; Meléndez Frigola, Joaquim; González Font de Rubinat, Paula; Lamprinos, Ilias; Teixeira Filho, Vinicius Gadelha; Gallart Fernández, Ramon (2022)
    Conference report
    Open Access
    Distribution System Operators face a challenging environment largely affected by the ever-growing integration of Distributed Energy Resources. Especially, Electric Vehicles have a rapidly growing presence in the distribution ...
  • Using CMOS image sensors to determine the intensity of electrical discharges for aircraft applications 

    Riba Ruiz, Jordi-Roger; Bas Calopa, Pau; Aziz Qolla, Yassin; Pourraz, Marc; Oksahin, Burak (Multidisciplinary Digital Publishing Institute, 2022-08-27)
    Article
    Open Access
    The development of more electric aircrafts (MEA) and all electric aircrafts (AEA) inevitably implies an increase in electric power and a consequent increase in distribution voltage levels. Increased operating voltages ...
  • On-line core losses determination in ACSR conductors for DLR applications 

    Riba Ruiz, Jordi-Roger; Liu, Yuming; Moreno Eguilaz, Juan Manuel; Sanllehí Muñoz, Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-04)
    Article
    Open Access
    Dynamic line rating (DLR) is a method that focuses on dynamically determining the maximum allowable current of power lines, while ensuring they operate within safe limits. DLR needs to monitor the temperature and current ...
  • Impact analysis of energy-based control structures for grid-forming and grid-following MMC on power system dynamics based on eigenproperties indices 

    Arévalo Soler, Josep; Sánchez Sánchez, Enric; Prieto-Araujo, E.; Gomis Bellmunt, Oriol (2022-12)
    Article
    Restricted access - publisher's policy
    This paper addresses the impact of the modular multilevel converter (MMC) energy control in the system dynamics when grid-forming and grid-following control schemes are used in the same system. The MMC total energy control ...
  • A hybrid energy storage solution based on supercapacitors and batteries for the grid integration of utility scale photovoltaic plants 

    Díaz González, Francisco; Chillón Antón, Cristian; Llonch Masachs, Marc; Galceran Arellano, Samuel; Rull Duran, Joan; Bergas Jané, Joan Gabriel; Bullich Massagué, Eduard (Elsevier, 2022-07-01)
    Article
    Open Access
    This paper presents a 2-level controller managing a hybrid energy storage solution (HESS) for the grid integration of photovoltaic (PV) plants in distribution grids. The HESS is based on the interconnection of a lead-acid ...
  • Feasibility assessment of industrial demand response 

    Forero Quintero, José Fernando; Villafafila Robles, Roberto; Montesinos Miracle, Daniel (2022-07-06)
    Part of book or chapter of book
    Restricted access - publisher's policy
    As seen in this chapter, a cost-benefits analysis (CBA) is needed to measure IDR profitability. Such CBA should incorporate a LCC approach, which describe all cost involved in each stage of the IDR development cycle. ...

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