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http://dx.doi.org/10.6113/JPE.2013.13.4.619

Experimental Study on Conducted EMI Mitigation in SMPS using a Novel Spread Spectrum Technique  

Premalatha, L. (Dept. of Electrical and Electronic Engineering, Anand Institute of Higher Technology)
Raghavendiran, T.A. (Dept. of Electrical and Electronic Engineering, Anand Institute of Higher Technology)
Ravichandran, C. (Dept. of Electrical and Electronic Engineering, Anand Institute of Higher Technology)
Publication Information
Journal of Power Electronics / v.13, no.4, 2013 , pp. 619-625 More about this Journal
Abstract
Switched mode power supplies (SMPS) are power electronic circuits extensively used in a wide range of applications. High frequency switching operation of SMPS causes electromagnetic emissions and has the potential to interfere with system operation, which in turn has an impact on system performance. This makes electromagnetic compatibility (EMC) an important concern. In this paper, a new and simple spread spectrum technique is proposed by modulating chaotic pulse position modulation (CPPM) and pulse width modulation (PWM). The resulting CPWM is implemented to reduce the conducted EMI in SMPS. The proposed method is found to be effective in reducing conduction EMI. The effectiveness and simplicity of the proposed method on spreading those dominating frequencies is compared to the EMI mitigation technique using an external chaotic generator. Finally, the levels of conductive EMI with standard PWM, CPWM with an external chaos generator and the proposed method are experimentally verified to comply with the CISPR 22A regulations. The results confirm the effectiveness of the proposed method.
Keywords
Chaotic pulse position modulation; Chaotic pulse width modulation; EMC; EMI; External chaos generator; SMPS;
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1 H. Li, Z. Li, B. zhang, F. W. Tan, and W. A. Halang, "Design of analogue chaotic PWM for EMI suppression," IEEE Trans. Electromagn. Compat., Vol. 52, No. 4, pp. 1001-1007, Nov. 2010.   DOI   ScienceOn
2 G. A. Covic and J. T. Boys, "Noise quiting with random PWM AC drives," IEE Proc. Electr. Power. Applications, Vol. 145, No. 1, pp. 1-10, 1998.   DOI   ScienceOn
3 A. M. Stankovic, G. C. Verghese, and D. J. Perreault, "Analysis and synthesis of randomised modulation schemes for power converters," IEEE Trans. Power Electron., Vol. 10, No. 6, pp. 680-693, Nov. 1995.   DOI   ScienceOn
4 K. Borisov, H. L. Ginn, and A. M. Trzynadlowski, "Attenuation of electromagnetic interference in a shunt active power filter," IEEE Trans. Power Electron., Vol. 22, No. 5, pp. 1912-1918, Sep. 2007.   DOI   ScienceOn
5 H. Chung, S. Y. R. Hui, and K. K. Tse, "Reduction of power converter EMI emission using soft-switching technique," IEEE Trans. Electromagn. Compat., Vol. 40, No. 3, pp.282-287, Aug. 1998.   DOI   ScienceOn
6 A. M. Stankovic, G. C. Verghese, and D. J. Perreault, "Analysis and synthesis of randomized modulation schemes for power converters," IEEE Trans. Power Electron., Vol. 10, No. 6, pp. 680-693, Nov. 1995.   DOI   ScienceOn
7 K. K. Tse, R. W. M. Ng, H. S. H. Chung, and S. Y. R. Hui, "An evaluation of the spectral characteristics of switching converters with chaotic carrier-frequency modulation," IEEE Trans. Ind. Electron., Vol. 50, pp. 171-182, Feb. 2003.   DOI   ScienceOn
8 K. K. Tse, H. S.-H. Chung, S. Y. R. Hui, and H. C. So, "A comparative study of carrier-frequency modulation techniques for conducted EMI suppression in PWM converters," IEEE Trans. Ind. Electron., Vol. 49, No. 3, pp. 618-627, Jun. 2002.   DOI   ScienceOn
9 S. Callegari, R. Rovatti, and G. Setti, "Chaotic modulations can outperform randomness in electromagnetic interference reduction tasks," Electronic Letters, Vol. 38, No. 12, pp. 543-544, 2002.   DOI   ScienceOn
10 J. Balcells, A. Santolaria, A. Orlandi, D. Gonzalez, and J. Gago, "EMI reduction in switched power converters using frequency modulation techniques," IEEE Trans. Electromagn. Compat., Vol. 47, No. 3, pp. 569-576, Aug. 2005.   DOI   ScienceOn
11 K. K. Tse, H. S. Chung, S. Y. R. Hui, and H. C. So, "A comparative investigation on the use of random modulation schemes for DC/DC converters," IEEE Trans. Ind. Electron., Vol. 47, No. 2, pp.253-263, Apr. 2000.
12 J. H. B. Deane and D. C. Hamill, "Improvement of power supply EMC by chaos," Electronic Letters, Vol. 32, No. 12, p. 1045, 1996.   DOI   ScienceOn
13 F.-C. Chen and P.-N. Shen, "Suppression of Electromagnetic Interference of DC-DC Power Converters by Chaos Generators," Universitites Power Engineering Conference, pp.1-6, 2010.
14 D. C. Hamill, J. H. B. Deane, and P. J. Aston, "Some applications of chaos in power converters," Update on New Power Electronic Techniques (Digest No: 1997/091), IEE Colloquium, pp. 5/1-5/5,1997.
15 M. Kuisma and P. Silventoinen, "Analyzing current ripple in variable-frequency boost converter," Power Electronics Specialists Conference, pp. 1535-1540, 2007.
16 S. Banerjee, D. Kastha, and S. SenGupta, "Minimising EMI problems with chaos," Proceedings of Electromagnetic Interference and Compatibility, pp. 162-167, 2002.
17 R. S. Bueno and J. L. R. Marrero, "Control of DC-DC converters in the chaotic regime," Proceedings of Control Applications,Vol. 2,pp. 832-837,1998.
18 A. L. Baranovski, A. Mogel, W. Schwarz, and O. A. W. O. Woywode, "Chaotic control of a DC-DC-converter," Proceedings of Circuits and Systems, pp. 108-111, 2000 .
19 S. Callegari, R. Rovatti, and G. Setti, "Chaos-based FM signals: application and implementation issues," IEEE Trans. Circuits Syst. I, Fundam. Theory Appl., Vol. 50, pp. 1141-1147, Aug. 2003.   DOI
20 G. Setti, R. Rovatti, S. Callegari, and M. Balestra, "Control of chaos statistics for the generation of timing signals with improved EMC," Chaos and Bifurcation Control: Theoryand Applications-Part I: Chaos Control.
21 S. Callegari, R. Rovatti, and G. Setti, "Chaos based Improvement of EMI Compliance in Switching Loudspeaker Drivers," European Conference on Circuit Theory and Design, 2001.
22 M. Balestra, A. Bellini, S. Callegari, R. Rovatti, and G. Setti, "Chaos-based generation of PWM-like signals for low-EMI induction motor drives: analysis and experimental results," IEICE Trans. Electronics, Vol. 87, pp. 66-75, 2004.
23 K. K. Tse, R. W. M. Ng, H. S. H. Chung, and S. Y. R. Hui, "An evaluation of the spectral characteristics of switching converters with chaotic carrier-frequency modulation," IEEE Trans. Ind. Electron., Vol. 50, pp. 171-182, Feb. 2003.   DOI   ScienceOn
24 G. Setti, R. Rovatti, S. Callegari, and M. Balestra, "Control of chaos statistics for the generation of timing signals with improved EMC," Chaos and Bifurcation Control: Theory and Applications, pp. 341-369, 2003.
25 O. G. Saracoglu and R. Kilic, "A simulation study on EMI effects in autonomous Chua's chaotic circuit," IEEE Symp. Electromagnetic Compatibility, Vol. 1, pp. 280-283, 2003.
26 S. Banerjee, A. L. Baranovski, J. L. R. Marrero, and O. Woywode, "Minimizing electromagnetic interference problems with chaos," IEICE Trans. Fundamentals,Vol. E87-A, No. 8, pp. 2100, 2004.
27 R. M. A. Patra and S. Banerjee, "A chaos-modulated ramp generator IC for flexible EMI reduction in voltage-mode controlled PWM buck converters," IEEE proc. Integrated Circuits , pp. 410-413, 2007.
28 M. Balestra, A. Bellini, C. Callegari, R. Rovatti, and G. Setti, "Chaos- based generation of PWM-like signals for low-EMI induction motor drives: Analysis and experimental results," IEICE Trans. Fundamentals,Vol. 87-A, pp. 66-75, 2004.
29 R. Mukherjee, S. Nandi, and S. Banerjee, "Reduction in spectral peaks of DC-DC converters using chaos-modulated clock," IEEE conference proceedings, pp.3367-3370, 2005.
30 K. K. Tse, R.-M. Ng, H. S.-H. Chung, and S. Y. Ron Hui, "An evaluation of the spectral characteristics of switching converters with chaotic carrier-frequency modulation," IEEE trans. Ind. Electron., Vol. 50, No. 1, pp.171-182, Feb. 2003.   DOI   ScienceOn
31 R. Mukherjee, A. Patra, and S. Banerjee, "Chaos-modulated ramp IC for EMI reduction in PWM buck convertersdesign and analysis of critical issues," IEEE conf. on VLSI design, pp. 305-310, 2008.
32 B. Chuang, W. Jingmei, J. Kelin, W. Chang, "EMI reduction by chaos in the forward converter," Int. conf on electronic measurements and instrumentation, pp. 4.77- 4.80, 2007.