AC-DC Converter with Asymmetrical Higher Harmonics Compensation Function in Sustainable AC Grid
DOI:
https://doi.org/10.2478/ecce-2013-0001Keywords:
Power quality, AC-DC power converters, pulse width modulation inverters, bidirectional power flow, power harmonic filtersAbstract
In this paper the grid current higher harmonic compensation method for two level AC-DC converters in sustainable AC grid is described. The algorithm is based on Direct Power Control with Space Vector Modulator (DPC-SVM), which was extended by additional Higher Harmonics Compensation (HHC) module. The HHC block is composed of several resonant filters tuned to appropriate frequencies. Both, symmetrical and asymmetrical types of grid currents distortions are analyzed. Operation of the HHC module in stationary αβ coordinates and rotating dq coordinates is discussed. Selected waveforms illustrating operation of the developed algorithm are presented. It is shown that in dq coordinates asymmetrical voltage distortions needs additional effort for its compensation in comparison to symmetrical higher harmonics. The subject is important because in practice asymmetrical higher harmonics usually can appear when one phase nonlinear load is connected to the grid. Even within such conditions the grid connected ACDC converter (GCC) should provide sinusoidal-like current. This assumption provides the reduction of negative impact of the GCC in power quality in Point of Common Coupling (PCC) in sustainable AC gridReferences
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[15] M. Liserre, R. Teodorescu, and F. Blaabjerg, “Multiple Harmonics Control for Three-Phase Grid Converter Systems With the Use of PIRES Current Controller in a Rotating Frame”, IEEE Trans. Power Electr., Vol. 21, May 2006.
[16] C. L. Fortescue, “Method of symmetrical coordinates applied to the solution of polyphase networks,” Trans. of the AIEE, vol. 37, Part II, pp. 1027-1140, July 1918.
[17] W. V. Lyon, Application of the Method of Symmetrical Components. New York: McGraw-Hill, 1937.
[2] Ł. H. Kocewiak, “Harmonics In Large Offshore Wind Farms”, PhD Thesis 2012, Aalborg, Denmark.
[3] M. Malinowski, M. Jasinski, and M. P. Kazmierkowski, "Simple Direct Power Control of three-Phase PWM Rectifier Using Space-Vector Modulation (DPC-SVM),” IEEE Transaction on Industrial Electronics, vol. 51, No. 2, April 2004, pp. 447- 454.
[4] V. Ignatova, P. Granjon, S. Bacha i F. Dumas “Classification and characterization of three phase voltage dips by space vector methodology”, FPS, Amsterdam, Netherlands, 2005, pp. 1-6.
[5] European Standard EN-50160, “Voltage characteristics of electricity supplied by public distribution systems”, CENELEC, Brussels, Belgium, 1994.
[6] M. P. Kazmierkowski, R. Krishnan, F. Blaabjerg, Control in Power Electronics, New York, Academic, 2002
[7] Kazmierkowski M.P., Jasinski M., Wrona G., "DSP-Based Control of Grid-Connected Power Converters Operating Under Grid Distortions", IEEE Transactions on Industrial Informatics, Nr 7/2011, pages 204 - 211, ISSN : 1551-3203.
[8] Paolo Mattavelli, Fernando Pinhabel Marafão; "Repetitive-Based Control for Selective Harmonic Compensation in Active Power Filter"; IEEE Transaction on Industrial Electronics, vol. 51, No. 5, October 2004.
[9] R. Teodorescu, F. Blaabjerg, M. Liserre, and P.C. Loh, "Proportional resonant controllers and filters for grid-connected voltage-source converters," Electric Power Applications, IEE Proceedings, vol. 153, no.5, pp. 750-762, Sept. 2006.
[10] Yuan, X., Merk, W., Stemmler, H., and Allmeling, J., “Stationary frame generalized integrators for current control of active power filters with zero steady-state error for current harmonics of concern under unbalanced and distorted operating conditions,” IEEE Trans. Ind. Appl., vol. 38, no.2, pp. 523-532, Mar./Apr. 2002.
[11] H. Akagi, E. H. Watanabe, M. Aredes, Instantaneous Power Theory and Applications to Power Conditioning, IEEE-Press and J. Wiley& Sons, Inc., 2007.
[12] H. Akagi, “Modern active filters and traditional passive filters,” Bulletin of the Polish Academy of Sciences, Technical Sciences, Vol. 54, No. 3, 2006, pp. 255-269.
[13] Limongi, L.R.; Bojoi, R.; Pica, C.; Profumo, F.; Tenconi, A. "Analysis and Comparison of Phase Locked Loop Techniques for Grid Utility Applications", Power Conversion Conference - Nagoya, 2007. PCC '07, On page(s): 674 - 681
[14] D. N. Zmood and D. G. Holmes, “Stationary frame current regulation of PWM inverters with zero steady state error,” in Proc. IEEE PESC, 1999,pp. 1185-1190.
[15] M. Liserre, R. Teodorescu, and F. Blaabjerg, “Multiple Harmonics Control for Three-Phase Grid Converter Systems With the Use of PIRES Current Controller in a Rotating Frame”, IEEE Trans. Power Electr., Vol. 21, May 2006.
[16] C. L. Fortescue, “Method of symmetrical coordinates applied to the solution of polyphase networks,” Trans. of the AIEE, vol. 37, Part II, pp. 1027-1140, July 1918.
[17] W. V. Lyon, Application of the Method of Symmetrical Components. New York: McGraw-Hill, 1937.
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2013-04-01
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Copyright (c) 2013 Grzegorz Wrona, Marek Jasinski (Author)
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Wrona, G., & Jasinski, M. (2013). AC-DC Converter with Asymmetrical Higher Harmonics Compensation Function in Sustainable AC Grid. Electrical, Control and Communication Engineering, 2(1), 5-13. https://doi.org/10.2478/ecce-2013-0001
