Ara es mostren els items 1-16 de 16

    • A comparative study of smart THD-based fault protection techniques for distribution networks 

      Al Hanaineh, Wael Hasan Ahmad; Matas Alcalá, José; Guerrero Zapata, Josep Maria (2023-05-01)
      Article
      Accés obert
      The integration of Distributed Generators (DGs) into distribution systems (DSs) leads to more reliable and efficient power delivery for customers. However, the possibility of bi-directional power flow creates new technical ...
    • A rolling horizon rescheduling strategy for flexible energy in a microgrid 

      Marietta, Martín Pablo; Graells Sobré, Moisès; Guerrero Zapata, Josep Maria (2014)
      Comunicació de congrés
      Accés obert
      In this work an Energy Management System (EMS) prototype for an isolated renewable-based microgrid is presented. The proposed management model not only considers the management of energy sources (generation) but also ...
    • A secure dual-layer fault protection strategy for distribution network with DERs: enhancing security in the face of communication challenges 

      Al Hanaineh, Wael Hasan Ahmad; Matas Alcalá, José; Guerrero Zapata, Josep Maria; Bakkar, Mostafa (Multidisciplinary Digital Publishing Institute (MDPI), 2024-02-01)
      Article
      Accés obert
      Earlier protection methods mainly focused on using communication channels to transmit trip signals between the protective devices (PDs), with no solutions provided in the case of communication failure. Therefore, this paper ...
    • Comparison between different droop based control techniques and a virtual control oscillator 

      Castelo Branco, Carlos Gustavo; El Mariachet Carreño, Jorge; Li, Mingshen; de Araujo Lima, Francisco Kleber; Matas Alcalá, José; Guerrero Zapata, Josep Maria (2023-03-15)
      Article
      Accés obert
      This work presents a literature review about control techniques for parallel connected power inverters under microgrid applications. Some control strategies, based on droop control for parallel inverters of distributed ...
    • Design and analysis of the droop control method for parallel inverters considering the impact of the complex impedance on the power sharing 

      Yao, W.; Chen, Min; Matas Alcalá, José; Guerrero Zapata, Josep Maria; Qian, Z.-M. (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-02)
      Article
      Accés restringit per política de l'editorial
      This paper investigates the characteristics of the active and reactive power sharing in a parallel inverters system under different system impedance conditions. The analyses conclude that the conventional droop method ...
    • 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
      Accés obert
      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 ...
    • Examen Final 

      Heredero Lazaro, Ana M.; Jiménez Castells, Marta; Llorente Viejo, Silvia; Macías Lloret, Mario; Monreal Arnal, Teresa; Pérez Rico, José Luis; Otero Calviño, Beatriz; Valverde Amador, Antonio Javier; Guerrero Zapata, Josep Maria; Gil, Marisa (Universitat Politècnica de Catalunya, 2013-01-18)
      Examen
      Accés restringit a la comunitat UPC
    • Guest Editorial 

      Teodorescu, Remus; Sauter, Thilo; Rodríguez Cortés, Pedro; Rodriguez, José; Palensky, Peter; Nasiri, Adel; Kupzog, Friederich; Liserre, M.; Balcells Sendra, Josep; Basso, Thomas; Bialasiewicz, Jan T.; Cecati, Carlo; Chakraborty, Sudipta; Guerrero Zapata, Josep Maria; Kazerani, Mehrdad (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Article
      Accés obert
    • INFORMÀTICA INDUSTRIAL (Examen parcial) 

      Gámiz Caro, Juan Ángel; Guerrero Zapata, Josep Maria; Tornil Sin, Sebastián
      Examen
      Accés restringit a la comunitat UPC
    • Intelligent control agent for transient to an island grid 

      Rocabert Delgado, Joan; Azevedo, Gustavo; Vázquez Guzmán, Gerardo; Candela García, José Ignacio; Rodríguez Cortés, Pedro; Guerrero Zapata, Josep Maria (2010)
      Text en actes de congrés
      Accés obert
      The increasing penetration of generation power plants based on renewable energies in the electrical networks has boosted the number of systems connected to the grid. In this scenario the microgrid, providing advanced ...
    • Modeling, analysis, and design of stationary reference frame droop controlled parallel three-phase voltage source inverters 

      Vásquez Quintero, Juan Carlos; Guerrero Zapata, Josep Maria; Savaghevi, Mehdi; Teodorescu, Remus (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Power electronics based microgrids consist of a number of voltage source inverters (VSIs) operating in parallel. In this paper, the modeling, control design, and stability analysis of three-phase VSIs are derived. The ...
    • Nonlinear control of single-phase shunt active power filter. Theoretical analysis of closed-loop performances. 

      Lachkar, I.; Giri, F.; Abouloifa, A; Guerrero Zapata, Josep Maria; Griñó Cubero, Robert; Chaoui, F.Z; Elfadil, H. (2011)
      Comunicació de congrés
      Accés obert
      The problem of controlling single-phase shunt active power filter is addressed in presence of nonlinear loads. The control objective is twofold: (i) compensation of harmonic and reactive currents absorbed by the nonlinear ...
    • Secondary control for reactive power sharing in droop-controlled islanded microgrids 

      Micallef, A.; Apap, Maurice; Spiteri Staines, C.; Guerrero Zapata, Josep Maria (2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper focuses on the islanded operation of microgrids. In this mode of operation, the microsources are required to cooperate autonomously to regulate the local grid voltage and frequency. Droop control is typically ...
    • Selective compensation of voltage harmonics in an islanded microgrid 

      Savaghebi, M.; Jalilian, A.; Vásquez Quintero, Juan Carlos; Guerrero Zapata, Josep Maria (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Recently, distributed generators are applied not only to inject power into the grid/local load, but also to compensate power quality problems. In this paper, a method for selective voltage harmonics compensation in microgrid ...
    • Selective harmonic-compensation control for single-phase active power filter with high harmonic rejection 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Matas Alcalá, José; Guerrero Zapata, Josep Maria; Vásquez Quintero, Juan Carlos (2009-08-11)
      Article
      Accés obert
      This paper presents a linear current control scheme for single-phase active power filters. The approach is based on an outer voltage loop, an inner current loop, and a resonant selective harmonic compensator. The design ...
    • Voltage harmonic compensation of a microgrid operating in islanded and grid-connected modes 

      Savaghevi, Mehdi; Jalilian, A.; Vásquez Quintero, Juan Carlos; Guerrero Zapata, Josep Maria; Lee, Tzung-Lin (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, a method for voltage harmonic compensation in a microgrid operating in islanded and grid-connected modes is presented. Harmonic compensation is done through proper control of distributed generators (DGs) ...