Document
PESC Record - IEEE Annual Power Electronics Specialists Conference
Generically Dependent Continuant
RDF description of A modified repetitive-based controller for an active filter to compensate harmonics 6k /-1 - http://orbis.uaslp.mx/vivo/individual/scopus8467
Article
Information Content Entity
A modified repetitive-based controller for an active filter to compensate harmonics 6k /-1
The paper presents a repetitive-based controller for a three-phase three-wire shunt active filter aimed to compensate reactive power and harmonic distortion in the case of distorted and unbalanced source voltages and load currents. The repetitive scheme used here is aimed to compensate specifically the harmonics 6κ ± 1 (κ = 0,1,2, ..., ∞) of the fundamental frequency. The scheme includes a damping gain to somehow limit the infinite gain produced, also a simple low pass filter (LPF) is included to restrict the bandwidth. However, this modifications cause inaccuracies in the frequency response, basically a considerable phase shift arises at the expected frequencies. In this work practical modifications are proposed for this scheme to minimize the negative effects caused by the introduction of the damping gains and the LPF. Experimental results in a 2 KVA prototype and experiments of the algorithm itself are provided to illustrate the merits of our solution. ©2008 IEEE.
A modified repetitive-based controller for an active filter to compensate harmonics 6k%2b/-1
Active filters; Damping; Electric power factor; Harmonic analysis; Power electronics; Wave filters; Fundamental frequencies; Load currents; Low-pass filtering; Shunt active filters; Source voltages; Frequency response
Conference Paper