An interleaved buck-boost converter with a wide conversion ratio is proposed in this paper. Two converter cells are used in the porposed converter. One is a single-ended primary inductor converter (SEPIC) and the other is a Cuk converter. Since both converter cells have an inductor and a switch, the input current of the proposed converter has low current ripple by utilizing an interleaving technique. The SEPIC converter cell provides a positive step up/down output and the Cuk converter cell provides a negative step up/down output. Therefore, the proposed converter has also step up/down capability and a wide conversion ratio. The proposed converter has a low input current ripple, step up/down capability, and a wide conversion ratio. Theoretical analysis and performance of the proposed converter were verified on an experimental prototype operating at 100 kHz switching frequency. © 2012 Springer-Verlag.
CITATION STYLE
Do, H. L. (2012). Interleaved buck-boost converter with a wide conversion ratio. In Lecture Notes in Electrical Engineering (Vol. 139 LNEE, pp. 367–370). https://doi.org/10.1007/978-3-642-27287-5_59
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