Enhancement of the Dynamic Performance of Single Phase Active Power Filters Using Virtual Two Axis Strategy Publication

In this paper the orthogonal transformation
technique or virtual two axis strategy which was instigated by Akagi et al in 1984 for three phase power systems has been extended by Dobrucky and Pokorny in 1999 for the
determination of instantaneous power in single phase power systems. This technique is described in detail in two of the
authors’ previous publications,[2] and [3], by adopting this technique, an expression for the reference current used in an
active power filter for the compensation of harmonic distortion and reactive power is derived. This expression is implemented
by a digital signal processor and results in providing an excellent transient response of the filter which is demonstrated experimentally. This excellent response is realized due to the fast evaluation of the filter reference current when the two axis
strategy described in this paper is used.

Citation:
Hosny, W., Dobrucky, B. (2009) ‘Enhancement of the Dynamic Performance of Single Phase Active Power Filters Using Virtual Two Axis Strategy Publication’, Proceedings of the 44th International Universities Power Engineering Conference (UPEC 2009), University of Strathclyde, Glasgow..