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Single-phase active power filter based on three-dimensional current co-ordinates

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3 Author(s)
Jung, Y.G. ; Dept. of Electr. Eng., Daebul Univ., Chonnam, South Korea ; Lim, Y.-C. ; Yang, S.H.

A single-phase active power filter (APF) based on 3D current co-ordinates is presented. Using correlation techniques, a system's power can be decomposed into three components: the active, fundamental reactive and distorted power. Each decomposed component is displayed in 3D current co-ordinates. As a result, a new 3D power factor is introduced as an alternative to the standard definition of the power factor. The developed system also operates as a harmonic and reactive power compensator. Harmonic compensation and analysis of the system's power can be accomplished simultaneously. A TMS320C31 digital signal processor is used for the real-time control of the APF. The experimental results support the conclusion that the developed system is highly accurate at analysing the system's power and performs well in controlling the APF

Published in:

Electric Power Applications, IEE Proceedings -  (Volume:147 ,  Issue: 6 )