Ara es mostren els items 1-12 de 46

    • Passivity based control of four-switch buck-boost DC-DC converter without operation mode detection 

      Komurcugil, Hasan; Bayhan, Sertac; Guler, Naki; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2022)
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      This paper presents a passivity-based control approach for four-switch buck-boost (FSBB) DC-DC converters. The state variables are selected as the inductor current and the capacitor voltage errors. The passivity based ...
    • Mitigation of voltage sags with electric-vehicle based microgrids in large parking lots 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume; Borrell Sanz, Angel (2022)
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      This paper presents a real-time control strategy for electric-vehicle based microgrids to mitigate voltage sags in large parking lots. It is programmed into the digital processors of the battery chargers and consists on ...
    • Optimizing voltage support using electric vehicles in an islanded microgrid under voltage sags 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Borrell Sanz, Àngel (2022)
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      The number of electric vehicles connected to the grid is growing constantly due to environmental and regulatory issues. Using these connected vehicles as distributed generators is a promising future functionality, known ...
    • Voltage support using electric vehicles in an islanded resistive-microgrid under voltage sags 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Borrell Sanz, Àngel (2022)
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      The number of electric vehicles connected to the grid is growing constantly due to environmental and regulatory issues. Conventionally these vehicles work as variable loads, although using them as distributed generators ...
    • Proposal of novel single-phase power quality indicators considering subsynchronous frequency perturbations in voltage and current under non-sinusoidal conditions 

      El Mariachet Carreño, Jordi; Matas Alcalá, José; Martín Cañadas, María Elena; Tinoco, G.; Abdalinejad, S. (2019)
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      This work pretends to reconsider power quality (PQ), in AC single-phase low voltage systems, considering perturbation sources with frequency components below the fundamental frequency in voltage and current signals. These ...
    • Multi-layer active power and frequency control strategy for industrial microgrids 

      Rey, Juan Manuel; Solano, Javier; Torres Martínez, Javier; Miret Tomàs, Jaume; Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      Industrial microgrids require control strategies that guarantee high reliability and power quality. In this paper a multi-layer active power and frequency control strategy for industrial microgrids is presented. It is ...
    • A communication-less control scheme for a variable air-gap wireless energy transfer system using current source resonant converter 

      Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel; Rey López, Juan Manuel; Torres Martínez, Javier; Garnica López, Miguel Andrés (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      This paper presents a robust control method for wireless energy transfer systems using current source resonant converter without any communication network. The proposed control strategy is valid even for systems with ...
    • Experimental study of clock drift impact over droop-free distributed control for industrial microgrids 

      Torres Martínez, Javier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Ghahderijani, Mohammad Moradi; Rey López, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      It is well-know that in systems composed of several digital processors, clock signals of individual units differ from each other due to clock drifts. This paper investigates the effect of clock drifts from voltage source ...
    • Control scheme for a multiple-output DC/DC current source parallel resonant converter 

      Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Guzmán Solà, Ramon; Rey López, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      The aim of this paper is to regulate the output voltages of a multiple-output DC/DC class-D current source parallel resonant converter. To this end, a sliding mode control scheme is presented consisting of an outer voltage ...
    • Consensus for active power sharing and frequency restoration in islanded microgrids subject to drifting clocks 

      Rosero Chandi, Carlos Xavier; Martí Colom, Pau; Velasco García, Manel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      The application of consensus theory in the control of islanded microgrids (MG) is gaining increased attention because it facilitates the development of distributed control solutions. In particular, its application to active ...
    • Voltage sag mitigation in a PV-based industrial microgrid during grid faults 

      Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel; García de Vicuña Muñoz de la Nava, José Luis; Camacho Santiago, Antonio; Torres Martínez, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      The growing interests in industrial microgrid and its high power rating, have made it as a good candidate for voltage support purposes. The aim of this paper is to present a reactive current injection control strategy for ...
    • Power calculation algorithm for single-phase droop-operated inverters considering nonlinear loads and unsing n-order SOGI filtering 

      El Mariachet Carreño, Jorge; Matas Alcalá, José; Hoz Casas, Jordi de la; Al-Turki, Y.A. (2018)
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      The average active and reactive powers, P and Q, are crucial parameters that have to be calculated when sharing common loads between parallelized droop-operated single-phase inverters. However, the droop method algorithm ...