Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 28, Issue 10, Pages 4700-4711Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2012.2236579
Keywords
Boundary conduction mode (BCM); discontinuous conduction mode (DCM); inductor design; input current ripple; interleaved boost converter (IBC)
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Funding
- Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning grant
- Korea Government Ministry of Knowledge Economy [20124010203300]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20124010203300] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In order to use interleaved boost converters in the discontinuous conduction mode (DCM), the variation in the phase current and the input current ripple is analyzed theoretically. Based on the detailed analysis, a numerical formula for the input current ripple is deduced by including three criteria. Using the numerical formula, the optimized inductance that reduces the input current ripple and losses is deduced. The boundary conduction mode (BCM) is also compared with the discontinuous conduction mode to verify their strong points. In order to verify the analysis, simulation and experimental results are compared with theoretical data. The consideration of the BCM is also progressed by comparing with the DCM, and the results were different in terms of the efficiency and the input current ripple.
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