Now showing items 1-20 of 76

    • A flexible experimental laboratory for distributed generation networks based on power inverters 

      Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon; Camacho Santiago, Antonio; Moradi Ghahderijani, Mohammad (2017-10-13)
      Article
      Open Access
      In the recently deregulated electricity market, distributed generation based on renewable sources is becoming more and more relevant. In this area, two main distributed scenarios are focusing the attention of recent research: ...
    • A new control strategy for three-phase shunt active power filters based on FIR prediction 

      Kukrer, Osman; Komurcugil, Hasan; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2021-08-07)
      Article
      Restricted access - publisher's policy
      A new discrete-time control strategy for three-phase three-wire shunt active power filters (APF) is presented, based on a mathematical model in the stationary reference frame. It involves a feedback-linearization-type ...
    • Active and reactive power strategies with peak current limitation for distributed generation inverters during unbalanced grid faults 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Borrell Sanz, Angel; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
      Article
      Open Access
      Distributed generation inverters have become a key element to improve grid efficiency and reliability, particularly during grid faults. Under these severe perturbations, inverter-based power sources should accomplish ...
    • Active damping based on Ackermann's formula for a three-phase voltage source inverter with LCL filter 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Morales López, Javier; Momeneh, Arash; Miret Tomàs, Jaume; Torres Martínez, Javier (2015)
      Conference report
      Restricted access - publisher's policy
      This paper presents an active damping method in natural frame for a three-phase voltage source inverter with LCL filter. The proposed method is based on the pole placement technique via Ackermann's formula. This approach ...
    • Active damping control for a three phase grid-connected inverter using sliding mode control 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Camacho Santiago, Antonio; Matas Alcalá, José; Castilla Fernández, Miguel; Miret Tomàs, Jaume (2013)
      Conference report
      Restricted access - publisher's policy
      This paper proposes a ne w active damping method based on virtual resistors for three-phase grid connected voltage source inverters (VSI) with LCL filter. The use of this filters is a standard solution to provide the ...
    • An adaptive prefiltering method to improve the speed/accuracy tradeoff of voltage sequence detection methods under adverse grid conditions 

      Matas Alcalá, José; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2013-07-23)
      Article
      Restricted access - publisher's policy
      This paper deals with the improvement of the transient response and harmonic, subharmonic, and dc-offset voltage rejection capability of a grid voltage sequence detection scheme based on a second-order generalized integrator ...
    • Analysis, design and implementation of a DC/DC boost resonant-inductor converter with sliding-mode control 

      Moradi Ghahderijani, Mohammad; Castilla Fernández, Miguel; Momeneh, Arash; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis (2018-03-20)
      Article
      Open Access
      Modern DC-DC resonant converters are normally build around a voltage-source series-resonant converter. This study aims to facilitate the practical use of current-source parallel-resonant converters due to their outstanding ...
    • Analysis, design and implementation of a residential inductive contactless energy transfer system with multiple mobile clamps 

      Momeneh, Arash; Castilla Fernández, Miguel; Moradi Ghahderijani, Mohammad; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis (2017-06-30)
      Article
      Open Access
      This study presents the analysis, design and implementation of a simple and cost-effective residential inductive contactless energy transfer system with multiple mobile clamps. The topology is based on the cascaded connection ...
    • Avoiding overvoltage problems in three-phase distributed-generation systems during unbalanced voltage sags 

      Castilla Fernández, Miguel; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (2020-02-01)
      Article
      Open Access
      During voltage sags, distributed generation systems must fulfil specific grid-code requirements for reactive current injection. This ancillary service can produce overvoltage problems in networks operating in unbalanced ...
    • Control design for multiphase synchronous buck converters based on exact constant resistive output impedance 

      Borrell Sanz, Angel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Matas Alcalá, José; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013-11)
      Article
      Restricted access - publisher's policy
      This paper describes a control design methodology based on output impedance analysis for multiphase synchronous buck converters. This design leads to an optimal output voltage transient response. Two design alternatives ...
    • Control scheme for photovoltaic three-phase inverters to minimize peak currents during unbalanced grid-voltage sags 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Camacho Santiago, Antonio; García de Vicuña Muñoz de la Nava, José Luis; Matas Alcalá, José (2012)
      Article
      Restricted access - publisher's policy
      Nowadays, the majority of the photovoltaic (PV) power sources are connected to the public grid. One of the main connection problems occurs when voltage sags appear in the grid due to short circuits, lightning, etc. ...
    • Control strategies based on effective power factor for distributed generation power plants during unbalanced grid voltage 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Matas Alcalá, José; Guzmán Solà, Ramon; de Sousa Pérez, Óscar; Martí Colom, Pau; García de Vicuña Muñoz de la Nava, José Luis (2013)
      Conference report
      Restricted access - publisher's policy
      Unbalanced voltages in three-phase power systems is a common perturbation propagated along the grid. Distributed Generation plants have gained widespread attention due to their capability to improve power quality in a ...
    • Control strategy for distribution generation inverters to maximize the voltage support in the lowest phase during voltage sags 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Garnica López, Miguel Andrés (Institute of Electrical and Electronics Engineers (IEEE), 2017-08-07)
      Article
      Open Access
      IEEE Voltage sags are considered one of the worst perturbations in power systems. Distributed generation power facilities are allowed to disconnect from the grid during grid faults whenever the voltage is below a certain ...
    • Control strategy for grid-connected three-phase inverters during voltage sags to meet grid codes and to maximize power delivery capability 

      Garnica López, Miguel Andrés; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Castilla Fernández, Miguel; Guzmán Solà, Ramon (2018-01-12)
      Article
      Open Access
      Inverter-based distributed generation plays a vital role in the stability and reliability of new power systems. Under voltage sags, these systems must remain connected to the electrical network according to the stringent ...
    • Coordinated reactive power control for static synchronous compensators under unbalanced voltage sags 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Matas Alcalá, José; Alarcón Gallo, Eduardo; García de Vicuña Muñoz de la Nava, José Luis (2012)
      Conference report
      Restricted access - publisher's policy
      Unbalanced voltage sags strongly deteriorate the performance of power converters and electrical machines connected to the distribution network. In particular, a reduction of the power quality is noticed in these equipments, ...
    • Design of an analog quasi-steady-state nonlinear current-mode controller for single-phase active power filter 

      Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Castilla Fernández, Miguel; Matas Alcalá, José; Guerrero Zapata, Josep Maria (2009-12)
      Article
      Open Access
      The injection of sinusoidal current to an electrical grid is nowadays possible with the use of active power filters (APFs).With quasi-steady-state (QSS) nonlinear controllers, these power filters provide low ...
    • DSP-based natural frame control schemes for three-phase unity-power-factor rectifiers 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Pena Alzola, Rafael (The institution of Engineering and Technology, 2016-05-01)
      Part of book or chapter of book
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      Traditionally, digital signal processor (DSP) control algorithms for three-phase power converters are designed in rotating or stationary reference frames. These approaches require the use of rotation matrices and employ ...
    • Dual-loop continuous control set model predictive control for a three-phase unity power factor rectifier 

      Alfaro Aragón, Carlos Arturo; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2021-08-24)
      Article
      Restricted access - publisher's policy
      In this paper, a novel cascade model predictive control for a three-phase unity power factor rectifier is presented. Unlike the traditional control techniques for rectifiers, the proposed method uses a cascade dual-model ...
    • Effects of clock deviations on the performance of microgrids based on virtual synchronous generators 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon; Velasco García, Manel; Martí Colom, Pau (2021-11-04)
      Article
      Open Access
      An inverter-based microgrid is a small-scale power network governed by a distributed con-trol system. In this system, the nodes are the digital controllers of the power inverters,normally located at separate points within ...
    • ELECTRÒNICA DE POTÈNCIA (Examen 2n quadrimestre) 

      García de Vicuña Muñoz de la Nava, José Luis (Universitat Politècnica de Catalunya, 2019-06-05)
      Exam
      Restricted access to the UPC academic community