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http://dx.doi.org/10.6113/TKPE.2014.19.3.220

Input Current Ripple Reduction Algorithm for Interleaved DC-DC Converter  

Joo, Dong-Myoung (College of Information and Communication Eng., Sungkyunkwan Univ.)
Kim, Dong-Hee (College of Information and Communication Eng., Sungkyunkwan Univ.)
Lee, Byoung-Kuk (College of Information and Communication Eng., Sungkyunkwan Univ.)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.19, no.3, 2014 , pp. 220-226 More about this Journal
Abstract
Input current ripple and harmonic components of the power device are main causes of electromagnetic interference (EMI). Although the discontinuous conduction mode (DCM) operation can reduce harmonic components of the power device by reducing reverse recovery current of diode and turn-off voltage spikes of the switch, input current ripple increases due to high peak to peak inductor current. Therefore, in this paper, frequency control algorithm is proposed to reduce the input current ripple of DCM operated interleaved boost converter. In the proposed algorithm, duty ratio is fixed either 0.33 or 0.67 to minimize the input current ripple and the switching frequency is controlled according to operating conditions. 600 W 3-phase interleaved boost converter prototype system is built to verify proposed algorithm.
Keywords
interleaved boost converter; input current ripple reduction; DCM operation and fixed duty frequency control;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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