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Harmonic suppression in the fourth wire of a three-phase four-wire shunt active power filter

M. Ochoa, A. García-Cerrada, J. Zamora, J. Roldán-Pérez

Control of three-phase voltage source converters in Synchronous Reference Frames (SRF) is a well-know method with an intrinsic frequency adaptation capability and a simple design. However, the application of this method to the zerosequence component of four-wire three-phase converters is not straight forward. As there is only one signal in the zerosequence component, a quadrature signal is always created in order to have the two components of a space vector, similarly to the three-phase case using Park?s Transformation. This paper presents an alternative control method based on multiple reference frames for tracking or rejecting periodic signals applied to the control of the zero-sequence current of a four-wire shunt active power filter. It is demonstrated that the proposed approach can be used without creating the quadrature signal of the error, whilst maintaining an intrinsic adaptation capability to grid-frequency variations. The main contributions of this paper are validated using a laboratory prototype.


Seminario Anual de Automática, Electrónica industrial e Instrumentación, Zaragoza (España). 08 julio 2015

Fecha de publicación: julio 2015.



Cita:
M. Ochoa, A. García-Cerrada, J. Zamora, J. Roldán-Pérez, Harmonic suppression in the fourth wire of a three-phase four-wire shunt active power filter, Seminario Anual de Automática, Electrónica industrial e Instrumentación - SAAEI'15. ISBN: (NULL), Zaragoza, España, 08-10 Julio 2015


    Líneas de investigación:
  • *Electrónica de Potencia y Sistemas de Control

IIT-15-057A.pdf

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