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Journal of power electronics : JPE v.10 no.2, 2010년, pp.132 - 137   SCIE 피인용횟수: 3
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A Novel Interleaving Control Scheme for Boost Converters Operating in Critical Conduction Mode

Yang, Xu    (State Key Lab. of Electrical Insulation and Power Equipment, Xi'an Jiaotong University   ); Ying, Yanping    (State Key Lab. of Electrical Insulation and Power Equipment, Xi'an Jiaotong University   ); Chen, Wenjie    (State Key Lab. of Electrical Insulation and Power Equipment, Xi'an Jiaotong University  );
  • 초록

    Interleaving techniques are widely used to reduce input/output ripples and to increase the power capacity of boost converters operating in critical conduction mode. Two types of phase-shift control schemes are studied in this paper, the turn-on time shifting method and the turn-off time shifting method. It is found that although the turn-off time shifting method exhibits better performance, it suffers from sub-harmonic oscillations at high input voltages. To solve this problem, an intensive quantitative analysis of the sub-harmonic oscillation phenomenon is made in this paper. Based upon that, a novel modified turn off time shifting control scheme for interleaved boost converters operating in critical conduction mode is proposed. An important advantage of this scheme is that both the master phase and the slave phase can operate stably in critical conduction mode without any oscillations in the full input voltage range. This method is implemented with a FPGA based digital PWM control platform, and tests were carried out on a two-phase interleaved boost PFC converter prototype. Experimental results demonstrated the feasibility and performance of the proposed phase-shift control scheme.


  • 주제어

    Critical conduction mode .   Interleaving .   Phase shift .   Sub-harmonic oscillation.  

  • 참고문헌 (10)

    1. C. M. de Oliveira Stein et. al., "A ZCT auxiliary commutation circuit for interleaved boost converters operating in critical conduction mode," IEEE Trans. Power Electron., Vol. 17, No. 6, pp. 954?962, Nov. 2002. 
    2. Han-Ju Cha et. al., "Comparison of PWM strategies for three-phase current-fed DC/DC converters," Journal of Power Electronics, Vol. 8, No. 4, pp. 363?370, Oct. 2008.     
    3. G. Spiazzi, D. Tagliavia, and S. Spampinato, "DC-DC flyback converters in the critical conduction mode: A re-examination," in Proc. Ind. Appl. Conf., Vol. 4, pp. 2426?2432, 2000. 
    4. Y. V. Panov, F. C. Lee, and J. G. Cho, "A new three-phase AC-DC zerovoltage- switching isolated converter operating in DCM," in Proc. Ind. Appl. Conf., Vol. 3, pp. 2602?2609, 1995. 
    5. J. E. Baggio, H.L. Hey, H.A. Grundling, H. Pinheiro, J.R. Pinheiro, "Isolated interleaved phase shift PWM DC-DC ZVS converter," IEEE Transactions on Industry Applications, Vol. 39, No. 4, pp.1795?1802, Nov./Dec. 2003. 
    6. R. Giral, L. Martinez-Salamero, and S. Singer, "Interleaved converters operation based on CMC," IEEE Transactions on Power Electronics, Vol. 14, No. 4, pp. 643?652, Jul. 1999. 
    7. M. T. Zhang, M. M. Jovanovic, and F. C. Lee, "Analysis and evaluation of interleaving techniques in forward converters," IEEE Transactions on Power Electronics, Vol.13, No. 4, pp. 690?698, Jul. 1998. 
    8. Kang-Hyun Yi et. al., "A novel two phase interleaved LLC series resonant converter using a phase of the resonant capacitor," Journal of Power Electronics, Vol. 8, No. 3, pp. 275?279, Oct. 2008.     
    9. C. Sudhakarababu et. al., "DSP based control of interleaved boost converter," Journal of Power Electronics, Vol. 5, No. 3, pp. 180?189, Oct. 2005.     
    10. Mummadi Veerachary, "Performance improvement of voltage-mode controlled interleaved buck converters," Journal of Power Electronics, Vol. 5, No. 2, pp. 104?108, Jun. 2005.     
  • 이 논문을 인용한 문헌 (3)

    1. 2011. "" Journal of power electronics : JPE, 11(5): 767~777     
    2. 2012. "" Journal of power electronics : JPE, 12(4): 623~631     
    3. 2014. "" Journal of power electronics : JPE, 14(4): 632~640     

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