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Interleaved Buck-Boost Converter with a Wide Conversion Ratio

机译:具有宽转换比的交错式Buck-Boost转换器

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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.
机译:本文提出了一种具有宽转换比的交错式降压-升压转换器。在多孔转换器中使用了两个转换器单元。一个是单端初级电感器转换器(SEPIC),另一个是Cuk转换器。由于两个转换器单元都具有一个电感器和一个开关,因此通过利用交错技术,所提出的转换器的输入电流具有较低的电流纹波。 SEPIC转换器单元提供正的向上/向下输出,而Cuk转换器单元提供负的向上/向下输出。因此,提出的转换器还具有升压/降压能力和宽的转换比。拟议的转换器具有低输入电流纹波,升压/降压能力和宽转换比。所提出的转换器的理论分析和性能已在工作于100 kHz开关频率的实验原型上得到了验证。

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