New strategies for application of adaptive filters in active power filters

Rondineli Rodrigues Pereira; Carlos Henrique Da Silva; Luiz Eduardo Borges Da Silva; Germano Lambert-Torres; João O.P. Pinto

doi:10.1109/TIA.2011.2125931

New strategies for application of adaptive filters in active power filters

Rondineli Rodrigues Pereira, Carlos Henrique Da Silva, Luiz Eduardo Borges Da Silva, Germano Lambert-Torres, João O.P. Pinto

Research output: Contribution to journal › Article › peer-review

97 Scopus citations

Abstract

This paper describes new strategies to improve the transient response time of harmonic detection using adaptive filters applied to shunt active power filters. Two cases are presented and discussed, both using an adaptive notch filter, but one uses the least mean square algorithm to adjust the coefficients and the other uses the recursive least squares algorithm. The synchronization of the adaptive notch filter orthogonal input signals, which are generated by the Clarke transformation of the load currents, is achieved automatically without the need of a phase-locked loop. This procedure significantly reduces the real-time computation burden. Simulations using Matlab/Simulink are presented to clarify the algorithm, and practical implementation is performed using the DSP Texas Instruments TMS320F2812. The experimental results are presented and discussed.

Original language	English
Article number	5729327
Pages (from-to)	1136-1141
Number of pages	6
Journal	IEEE Transactions on Industry Applications
Volume	47
Issue number	3
DOIs	https://doi.org/10.1109/TIA.2011.2125931
State	Published - May 2011
Externally published	Yes

Funding

Dr. Pereira was a recipient of the Second Prize Paper Award from the Industrial Automation and Control Committee of the IEEE Industry Applications Society (2009).

Funders	Funder number
IEEE Industry Applications Society

Keywords

Active power filter (APF)
adaptive filters
adaptive notch filter
harmonic compensation
least mean square (LMS)
recursive least squares (RLS)

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10.1109/TIA.2011.2125931

Cite this

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abstract = "This paper describes new strategies to improve the transient response time of harmonic detection using adaptive filters applied to shunt active power filters. Two cases are presented and discussed, both using an adaptive notch filter, but one uses the least mean square algorithm to adjust the coefficients and the other uses the recursive least squares algorithm. The synchronization of the adaptive notch filter orthogonal input signals, which are generated by the Clarke transformation of the load currents, is achieved automatically without the need of a phase-locked loop. This procedure significantly reduces the real-time computation burden. Simulations using Matlab/Simulink are presented to clarify the algorithm, and practical implementation is performed using the DSP Texas Instruments TMS320F2812. The experimental results are presented and discussed.",

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New strategies for application of adaptive filters in active power filters

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