ISSN: 1693-6930
TELKOMNIKA Vol. 14, No. 2, June 2016 : 431 – 439
438 rectifier system makes power quality indices such as THD
i
and PF satisfactory for various load conditions.
Figure 9. Waveforms of supply current and its harmonic spectrum of the proposed 24-pulse rectifier supplying SMPS at light load
Figure 10. Waveforms of supply current and its harmonic spectrum of the proposed 24-pulse rectifier supplying SMPS at full load
Figure 11. Variation of THD of input line current and power quality with load of the 6-, 12-, 18-, and 24-pulse rectifiers
5. Conclusion
The delta-polygon autotransformer based 24-pulse AC-DC converter has been designed, constructed and simulated to demonstrate its superiority for feeding a 12 kW SMPS in
this paper. There is a drastic improvement in the THD of AC mains current and PF under wide operating range of the load. Up to 21
st
harmonics in the supply current are eliminated completely. The proposed converter needs an autotransformer of only 19.5 of the load rating,
resulting in a circuit of lower cost, loss, weight, and space compared with other types of autotransformer based 24-pulse AC-DC converter. Thus, the proposed 24-pulse rectifier system
can be properly applied to medium and high power capacity SMPS.
TELKOMNIKA ISSN: 1693-6930
Delta-Polygon Autotransformer Based 24-Pulse Rectifier for Switching Mode… Chun-ling Hao 439
Acknowledgements
This project is supported by the Science and Technology Plan Project of Gansu Province 145RJZA098.
Reference
[1] Pressman AI, Billings K, Morey T. Switching Power Supply Design. Third Edition. New York:
McGraw-Hill. 2009: 1-3.
[2] IEEE Standard Association. 519-1992. IEEE Recommended Practices and Requirements for
Harmonics Control in Electric Power Systems. New York: IEEE Inc.; 1992. [3] IEC. 61000-3-2. Limits for Harmonic Current Emissions. Geneva: IEC; 2014.
[4] Hanny H Tumbelaka, Lawrence J Borle. Harmonic Mitigation Using a Polarized Ramp-time Current-
Controlled Inverter. TELKOMNIKA. 2010; 83: 235-244.
[5] Mhawi E, Daniyal H, Sulaiman MH. Advanced Techniques in Harmonic Suppression via Active Power Filter: A Review. International Journal of Power Electronic and Drive System. 2015; 62: 185-195.
[6] Arivarasu A, Muthukumar K, Balasubramanian R. Closed Loop Non Linear Control of Shunt Hybrid Power Filter for Harmonics Mitigation in Industrial Distribution System. International Journal of Power
Electronic and Drive System. 2014; 52: 185-194. [7] Paice DA. Power Electronic Converter Harmonics: Multipulse Methods for Clean Power. New York:
IEEE Press. 1996: 25-30.
[8] Singh B, Gairola S, Singh BN, Chandra A, Al-Haddad K. Multipulse AC-DC Converters for Improving
Power Quality: A Review. IEEE Transactions on Power Electronics. 2008; 231: 260-281.
[9] Meng F, Yang S, Yang W. Review of Multiple Pulse Wave Rectifier Technology. Electric Power
Automation Equipment. 2012; 322: 9-22.
[10] Kamath GR, Runyan B, Wood R. A Novel Autotransformer based 18-Pulse Rectifier Circuit. IEEE
APEC. Dallas. 2002: 795-801.
[11] Fernandes RC, Oliveira PDS, de Seixas FJM. A Family of Autoconnected Transformers for 12- and 18-Pulse Converters - Generalization for Delta and Wye Topologies. IEEE Transactions on Power
Electronics. 2011; 267: 2065-2078.
[12] Meng F, Yang W, Yang S. Effect of Voltage Transformation Ratio on the Kilovoltampere Rating of Delta-Connected Autotransformer for 12-Pulse Rectifier System. IEEE Transactions on Industrial
Electronics. 2013; 609: 3579-3588.
[13] Chen X, Qiu H, Hao C, Li M. Pulse Doubling in AC-DC Converters Based on Zigzag Auto-Connected Transformer for Harmonic Mitigation. International Journal of Electrical Engineering. 2015; 221: 9-
19.
[14] Chen X, Qiu H. Zigzag Connected Autotransformer-Based 24-pulse AC-DC Converter. International
Journal of Emerging Electric Power Systems. 2015; 161: 23-32.
[15] Singh B, Gairola S. A 28-Pulse AC-DC Converter for Line Current Harmonic Reduction. IET Power
Electronics. 2008; 12: 287-295.
[16] Abdollahi R. Design and Construction of A Polygon-Connected Autotransformer-Based 36-Pulse AC- DC Converter for Power Quality Improvement in Retrofit Applications. Bulletin of the Polish Academy
of Sciences. 2015; 632: 353-362
。
[17] Qiu H, Chen X, Lu M. A Delta-Type Autotransformer Based 36-Pulse AC-DC Converter. Australian
Journal of Electrical Electronics Engineering. 2015; 121: 13-21.
[18] De Seixas FJM, Barbi I. A 12 KW Three-Phase Low THD Rectifier with High-Frequency Isolation
Regulated DC Output. IEEE Transactions on Power Electronics. 2004; 192: 371-377.
[19] Kalpana R, Bhuvaneswari G, Singh B, Singh S. Harmonic Mitigator Based on 12-Pulse AC-DC
Converter for Switched Mode Power Supply. IET Power Electronics. 2010; 36: 947-964.
[20] Singh B, Bhuvaneswari G, Kalpana R. Autoconnected Transformer-Based 18-Pulse AC-DC
Converter for Power Quality Improvement in Switched Mode Power Supplies. IET Power Electronics. 2010; 34: 525-541.
[21] Kalpana R, Bhuvaneswari G, Singh B. Autoconnected Transformer-Based 20-Pulse AC-DC
Converter for Telecommunication Power Supply. IEEE Transactions on Industrial Electronics. 2013; 6010: 4178-4190.
