Fuzzy Controller Based 3Phase 4Wire Shunt Active Filter for Mitigation of Current Harmonics with Combined p-q and Id-Iq Control Strategies

Mikkili Suresh, Anup Kumar Panda, Y. Suresh

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DOI: 10.4236/epe.2011.31007                

Abstract

As more and more variable frequency drives (VFDs), electronic ballasts, battery chargers, and static Var compensators are installed in facilities, the problems related to harmonics are expected to get worse. 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 strategies. This paper presents detailed analysis to compare and elevate the performance of two control strategies for ex-tracting reference currents of shunt active filters under balanced, un-balanced and non-sinusoidal conditions by using Fuzzy controller. The well known methods, instantaneous real active and reactive power method (p-q) and active and reactive current method (id-iq) are two control methods which are extensively used in active filters. Extensive Simulations are carried out with fuzzy controller for both p-q and Id-Iq methods for different voltage conditions and adequate results were presented. Simulation results validate the superior per-formance of active and reactive current control strategy (id-iq) with fuzzy controller over active and reactive power control strategy (p-q) with fuzzy controller.

Keywords

Harmonic Compensation, Shunt Active Power Filter, p-q Control Strategy, id-iq Control Strategy, Fuzzy Controller

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1]	H. Akagi, “New Trends in Active Filters for Power Conditioning,” IEEE Transactions on Industry Applications, Vol. 32, No. 6, November-December 1996, pp. 1312- 1322. doi.:10.1109/28.556633
[2]	Z. Peng, G. W. Ott and 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, November 1998, pp. 1174-1181. doi:10.1109/63.728344
[3]	S. K. Jain, P. Agrawal and H. O. Gupta, “Fuzzy Logic Controlled Shunt Active Power Filter for Power Quality Improvement,” IEE Proceedings of Electric Power Application, Vol. 149, No. 5, September 2002, pp. 317-328. doi:10.1049/ip-epa:20020511
[4]	L. Gyugyi and E. C. Strycula, “Active AC Power Filters,” IEEE IIAS Annual Meeting, 1976, p. 529.
[5]	M. I. M. Montero, E. R. Cadaval and F. B. González, “Comparison of Control Strategies for Shunt Active Power Filters in Three-Phase Four-Wire Systems,” IEEE Transactions on Power Electronics, Vol. 22, No. 1, January 2007, pp. 229-236. doi:10.1109/TPEL.2006.886616
[6]	H. Akagi, E. H. Watanabe and M. Aredes, “Instantaneous Power Theory and Applications to Power Conditioning,” IEEE Press/Wiley-Inter-Science, New Jersey, 2007.
[7]	O. Vodyakho and C. C. Mi, “Three-Level Inverter-Based Shunt Active Power Filter in Three-Phase Three-Wire and Four-Wire Systems,” IEEE Transactions on Power Electronics, Vol. 24, No. 5, May 2009, pp. 1350-1363. doi:10.1109/TPEL.2009.2016663
[8]	M. Aredes, J. Hafner and K. Heumann,“Three-Phase Four-Wire Shunt Active Filter Control Strategies,” IEEE Transactions on Power Electronics, Vol. 12, No. 2, March 1997, pp. 311-318. doi:10.1109/63.558748
[9]	P. Rodriguez, J. I. Candela, A. Luna, L. Asiminoaei, R. Teodorescu and F. Blaabjerg, “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, August 2009, pp. 1939-1950.
[10]	P. Salmeron and R. S. Herrera, “Distorted and Unbalanced Systems Compensation within Instantaneous Reactive Power Framework,” IEEE Transactions on Power Delivery, Vol. 21, No. 3, July 2006, pp. 1655-1662. doi: 10.1109/TPWRD.2006.874115
[11]	N. G. Jayanti, M. Basu, I. Axente, K. Gaughan and. F. Conlon, “Development of Laboratory Prototype of a 12 kVA Digital Shunt Active Filter,” Proceedings of 34th IEEE Industrial Electronics Conference (IECON), Florida, 10th-13th November 2008, pp. 3129-3134.
[12]	V. Soares, P. Verdelho and 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, 1997, pp. 1096- 1101.
[13]	P. Kirawanich and R. M. O’Connell, “Fuzzy Logic Control of an Active Power Line Conditioner,” IEEE Transactions on Power Electronics, Vol. 19, No. 6, November 2004, pp. 1574-1585. doi:10.1109/TPEL.2004.836631
[14]	C. S. Perumalla, P. C. Panda and S. Mishra, “Fuzzy Controlled Harmonic Suppressor and Reactive Volt Ampere Compensator for Enhancing Power Quality,” 2009 World Congress on Nature & Biologically Inspired Computing (NaBIC 2009), Coimbatore, December 2009, pp. 49-54. doi:10.1109/ NABIC.2009.5393599