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논문 기본 정보

자료유형
학술저널
저자정보
Xu Yang Yanping Ying Wenjie Chen (Xi’an Jiaotong University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.10 No.2
발행연도
2010.3
수록면
132 - 137 (6page)

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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.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. EVALUATION OF EXISTING CONTROL SCHEMES
Ⅲ. PERFORMANCE ANALYSIS
Ⅳ. PROPOSED PHASE-SHIFT INTERLEAVING CONTROL SCHEME
Ⅴ. EXPERIMENTAL RESULTS
Ⅵ. CONCLUSIONS
ACKNOWLEDGMENT
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2010-560-002280897