Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 34, Issue 3, Pages 2375-2384Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2018.2840683
Keywords
Critical inductance; dc-dc converter; nonisolated boost converter; voltage gain
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In this paper, a new structure for a nonisolated boost dc-dc converter is proposed. The proposed converter generates higher voltage gain than some conventional nonisolated boost dc-dc converters. In this paper, the voltage and current equations of the elements and voltage gain in continuous conduction mode and discontinuous conduction mode are extracted. Then, the critical inductance converter is extracted and the current stresses in the switches are calculated. To achieve high voltage gain, a generalized structure based on the proposed structure generates for dc-dc converters. Meanwhile, the root mean square current relations of devices are obtained for an extended structure. Finally, the results of PSCAD/EMTDC software and laboratory prototype are used to reconfirm theoretical concept.
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