SHAF for Mitigation of Current Harmonics Using p-q Method with PI and Fuzzy Controllers

  • S. Mikkili Department of Electrical Engineering, National Institute of Technology Rourkela, India
  • A. K. Panda Department of Electrical Engineering, National Institute of Technology Rourkela, India


Commencing with incandescent light bulb, every load today creates harmonics. Unfortunately, these loads vary with respect to their amount of harmonic content and response to problems caused by harmonics. Issue of Harmonics are of a greater concern to engineers, building designers and in industrial applications because they do more than distort voltage waveforms, they can overheat the building wiring, cause nuisance tripping, overheat transformer units, and cause random end-user equipment failures. Thus power quality has become more and more serious with each passing day. As a result active power filter (APF) gains much more attention due to excellent harmonic compensation. But still the performance of the active filter seems to be in contradictions with different control techniques. The main objective of this paper is to analyse shunt active filter with fuzzy and pi controllers. To carry out the analysis, we consider active and reactive power method (p-q). Extensive simulations were carried out; simulations were performed with balance, unbalanced and non sinusoidal conditions. Simulation results validate the dynamic behaviour of fuzzy logic controller over pi controller.

Keywords: harmonic compensation, shunt active power filter, p-q control strategy, PI controller, fuzzy controller


Download data is not yet available.


H Akagi, H. Kanazawa, Y. Nabae “instantaneous reactive power compensators comprising Switching devices without energy storage components” IEEE Transactions on Industry Applications, Vol. Ia-20, No. 3, pp 625-630, 1984 DOI:

L. Gyugyi, E. C. Strycula, “Active AC power filters”, IEEE IIAS Annual Meeting, pp. 529-535, 1996

F. Z. Peng, G. W. Ott Jr, D. J Adams, “Harmonic and reactive power compensation based on the generalized instantaneous reactive power theory for three-phase four-wire systems”, IEEE Transactions on Power Electronics, Vol. 13, No. 5, pp. 1174-1181, 1998 DOI:

M. I. M. Montero, E. R. Cadaval, F. B. Gonzalez, “Comparison of control strategies for shunt active power filters in three-phase fourwire systems”, IEEE Transactions on Power Electronics, Vol. 22, No. 1, pp. 229-236, 2007. DOI:

M. Suresh, A. K. Panda, S. Yellasiri, “Fuzzy controller based 3phase 4wire shunt active Filter for mitigation of current harmonics with combined p-q and Id-Iq control strategies”, Journal of Energy and Power Engineering, Vol. 3, No. 1, pp. 43-52, 2011 DOI:

H. Akagi, E. H. Watanabe, “Instantaneous power theory and applications to power conditioning”, New Jersey. IEEE Press/Wiley-Inter-science ISBN: 978-0-470-10761-4, 2007 DOI:

V. Soares, P. Verdelho, G. Marques, “Active power filter control circuit based on the instantaneous active and reactive current id –iq method”, IEEE Power Electronics Specialists Conference, Vol. 2, pp. 1096-1101, 1997

M. Aredes, J. Hafner, K. Heumann, “Three-phase four-wire shunt active filter control strategies”, IEEE Transactions on Power Electronics, Vol. 12, No. 2, pp. 311–318, 1997 DOI:

P. Rodriguez, J. I. Candela, A. Luna, L. Asiminoaei, “Current harmonics cancellation in three-phase four-wire systems by using a four-branch star filtering topology”, IEEE Transactions on Power Electronics, Vol. 24, No. 8, pp. 1939-1950, 2009 DOI:

P. Salmeron, R. S. Herrera, “Distorted and unbalanced systems compensation within instantaneous reactive power framework”, IEEE Transactions on Power Delivery, Vol. 21, No. 3, pp. 1655-1662, 2006 DOI:

S. Mikkili, A. K. Panda, "Simulation and RTDS Hardware implementation of SHAF for Mitigation of Current Harmonics with p-q and Id-Iq Control strategies using PI controller", Engineering, Technology & Applied Science Research, Vol. 1, No. 3, pp. 54-62, 2011 DOI:

S. K. Jain, P. Agrawal, H. O. Gupta, “Fuzzy logic controlled shunt active power filter for power quality improvement” IEEE Proceedings Electric Power Applications, Vol. 149, No. 5, pp. 317–328, 2002 DOI:


Abstract Views: 336
PDF Downloads: 61

Metrics Information
Bookmark and Share

Most read articles by the same author(s)