An ANN Controlled Three-Phase Auto-Tuned Passive Filter for Harmonic and Reactive Power Compensation

Sindhu M.R; Manjula Nair; T.N.P. Nambiar

An ANN Controlled Three-Phase Auto-Tuned Passive Filter for Harmonic and Reactive Power Compensation

Sindhu M.R

Manjula Nair

T.N.P. Nambiar

Vol. 9, No. 3, pp. 403-409, May 2009

10.6113/JPE.2009.9.3.403

Auto-tuned passive filter

ANN controller

Harmonics compensation

Reactive power compensation

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Abstract

Automatically tuned passive filters can improve power quality to a great extent in power systems. A novel three-phase shunt auto-tuned filter is designed to effectively compensate source current harmonics and to provide reactive power required by the non-linear load, which draws a highly reactive, harmonic-rich current from the supply. An artificial neural network (ANN) based controller selects filter component values in accordance with reactive power requirement and harmonic compensation. Traditional passive filters are permanently connected to the system and draw large amounts of source current even under light load conditions. By using auto-tuned filters, the passive filter components can be controlled according to load variations and, hence, draw only required source currents. The selection is done by the ANN with the help of a properly tuned knowledge base to provide instantaneous compensation using a digital controller.

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Cite this article

[IEEE Style]

S. M.R, M. Nair, T. Nambiar, "An ANN Controlled Three-Phase Auto-Tuned Passive Filter for Harmonic and Reactive Power Compensation," Journal of Power Electronics, vol. 9, no. 3, pp. 403-409, 2009. DOI: 10.6113/JPE.2009.9.3.403.

[ACM Style]

Sindhu M.R, Manjula Nair, and T.N.P. Nambiar. 2009. An ANN Controlled Three-Phase Auto-Tuned Passive Filter for Harmonic and Reactive Power Compensation. Journal of Power Electronics, 9, 3, (2009), 403-409. DOI: 10.6113/JPE.2009.9.3.403.