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  • 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 ...

  • 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 ...

  • PMSM Parameter Estimation for Sensorless FOC based on differential power factor 

    Candelo Zuluaga, Carlos Andres; Riba Ruiz, Jordi-Roger; García Espinosa, Antonio (2021-01-01)
    Article
    Open Access
    During the last years, different methods for identifying permanent magnet synchronous motor (PMSM) parameters have been developed. Such methods allow a better characterization of PMSMs, thus enabling a better control. This ...

  • Mechanism for financing the accumulated debt of utility services water, electricity and gas as a result of the COVID-19 

    Verdejo, Humberto; Becker, Caroline; García Muñoz, Fernando Esteban; Holtz, Mauricio; Tobar, Francisco (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-19)
    Article
    Open Access
    The effects associated with the pandemic of COVID-19 have left several consequences. The large confinements have caused formal and independent job losses. Therefore, families have been forced to prioritize their monthly ...

  • Analysing the influence of geometry and pressure on corona discharges 

    Riba Ruiz, Jordi-Roger; Bas Calopa, Pau; Moreno Eguilaz, Juan Manuel (2022-06-14)
    Article
    Restricted access - publisher's policy
    In this work, the authors propose an experiment aimed for undergraduate laboratories with the aim of introducing different novelties as a topic for practical sessions or student projects. The topics here investigated are ...

  • Analysing the pressure effect on the contact resistance of electrical connections 

    Riba Ruiz, Jordi-Roger; Bas Calopa, Pau (2022-02-17)
    Article
    Restricted access - publisher's policy
    We propose an experiment intended for undergraduate laboratories, with the aim to introduce different novelties as a subject for a practical session or students project. We deal with the different components of the resistance ...

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