Now showing items 1-10 of 10

    • A robust grid current controller with grid harmonic and filter resonance damping capabilities using a closed-loop admittance shaping 

      Perez Morales, Jorge; Cóbreces Álvarez, Santiago; Wang, Xiongfei; Blaabjerg, Frede; Griñó Cubero, Robert (IEEE Press, 2017)
      Conference report
      Open Access
      This paper presents a grid current control of a grid connected Voltage Source Converter (VSC) with an LCL filter. The control method enables to shape the input admittance of the converter in addition to track a given current ...
    • Active damping: an Hinf model reference approach 

      Pérez, Jorge; Cóbreces Álvarez, Santiago; Griñó Cubero, Robert; Huerta, Francisco; Rodríguez, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2018-08-01)
      Article
      Open Access
      This paper focuses on the design of an active-damping controller that shapes the dynamics of an LCL grid connected voltage source converter (VSC) to mimic an L-filter connected VSC. This makes possible to use simpler ...
    • Admittance-shaped Hinf current controller for grid-connected VSC 

      Perez Morales, Jorge; Cóbreces Álvarez, Santiago; Griñó Cubero, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      This paper introduces an H8 current controller that allows the shaping of power converters’ input admittance in frequency domain, allowing to define not only its magnitude but also its phase. In addition to admittance ...
    • Hinf current controller for input admittance shaping of VSC-based grid applications 

      Pérez, Jorge; Cóbreces Álvarez, Santiago; Griñó Cubero, Robert; Rodriguez Sanchez, Francisco Javier (2017-04-01)
      Article
      Open Access
      This paper presents a current controller that shapes, in the frequency domain, the input admittance of voltage-source converters connected to the grid. The controller is obtained by means of a H8 synthesis procedure, which ...
    • Hinf simultaneous admittance and tracking current controller of three-phase active grid front-ends 

      Pérez, Jorge; Cóbreces Álvarez, Santiago; Rodriguez Sanchez, Francisco Javier; Griñó Cubero, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      This paper proposes an H8 current controller that allows power converter input admittance shaping, both in modulus and in phase, in a three phase voltage source converter to grid connection through an L filter. In addition to ...
    • Hysteretic control of grid-side current for a single-phase LCL grid-connected voltage source converter 

      Cóbreces Álvarez, Santiago; Griñó Cubero, Robert (2016-12)
      Article
      Open Access
      This paper proposes a new approach to control the grid-side current of LCL-grid connected voltage source converters using hysteretic relay feedback controllers. The closed loop system is stabilized by designing a local ...
    • Hysteretic control of grid-side current for a single-phase LCL grid-connected VSC 

      Cóbreces Álvarez, Santiago; Griñó Cubero, Robert (Universitat Politècnica de València, 2014)
      Conference report
      Restricted access - publisher's policy
    • Resonance damping of LCL filters via input admittance frequency shaping 

      Perez Morales, Jorge; Cóbreces Álvarez, Santiago; Pizarro, Daniel; Rodriguez Sanchez, Francisco Javier; Griñó Cubero, Robert (IEEE Press, 2016)
      Conference report
      Open Access
      This paper presents a novel active damping technique of current-controlled grid-connected power converters through LCL filters. Based on H8 synthesis algorithms, a grid current controller is obtained so that the grid-connected ...
    • Robust admittance shaping approach to grid current harmonic attenuation and resonance damping 

      Cóbreces Álvarez, Santiago; Wang, Xiongfei; Pérez Serrano, Jorge; Griñó Cubero, Robert; Blaabjerg, Frede (2018-09-01)
      Article
      Open Access
      This paper presents a novel grid current control of a grid-connected voltage source converter with an LCL filter. The proposed control method uses an H 8 synthesis method to shape the input admittance of the converter, to ...
    • Static reference frame LQR optimal state-feedback control for Static-Series Compensators 

      Perez, Jorge; Cóbreces Álvarez, Santiago; Rodriguez, Francisco J.; Bueno, Emilio; Sanz, Ines; Huerta, Francisco; Griñó Cubero, Robert (2013)
      Conference report
      Restricted access - publisher's policy
      This paper presents an optimal LQR control for a static-series compensator (SSC) and propounds a design criterion for the choice of the LQR weights in order to mitigate grid-voltage dips. The authors present a SSC state-space ...