Implementation and design of an interleaved Cuk converter with selective input current ripple elimination capability,International Journal of Circuit Theory and Applications

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Implementation and design of an interleaved Cuk converter with selective input current ripple elimination capability
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2021-01-21 , DOI: 10.1002/cta.2940
Navid Taghizadegan Kalantari ₁ , Sajad Ghabeli Sani ₁ , Yaser Sarsabahi ₁

Affiliation

Nowadays, buck–boost DC–DC converters are widely used in numerous power devices. However, to have a suitable buck–boost DC–DC converter, reducing the input current ripple seems to be necessary. Also, having a lower current ripple at the converter output allows using low-cost, long-life ceramic capacitors instead of electrolytic capacitors. The presented buck–boost converter is made by interleaving two Cuk converters with positive and negative output voltage polarity, which provides the chance to eliminate the input current ripple at the selective duty cycle. The selective duty ratio can be determined by designing the inductors amounts at the input side of both converters. Though a new combination for the buck–boost converter is presented, which has zero input current ripple and low output current ripple which is obtained by output inductors. The converter maximum voltage gain is 2D/1-D and has easy control. In conclusion, a prototype model with 100-W output power is implemented, and the theoretical analysis and laboratory results are compared and validated.

中文翻译：

具有选择性输入电流纹波消除能力的交错式 Cuk 转换器的实现与设计

如今，降压-升压型 DC-DC 转换器广泛应用于众多功率器件中。然而，要获得合适的降压-升压 DC-DC 转换器，似乎有必要降低输入电流纹波。此外，转换器输出端的电流纹波较低，因此可以使用低成本、长寿命的陶瓷电容器代替电解电容器。所提出的降压-升压转换器是通过交错两个具有正负输出电压极性的 Cuk 转换器制成的，这提供了在选择性占空比下消除输入电流纹波的机会。选择占空比可以通过设计两个转换器输入侧的电感量来确定。虽然提出了一种新的降压-升压转换器组合，它具有零输入电流纹波和由输出电感器获得的低输出电流纹波。转换器最大电压增益为2D/1-D，易于控制。总之，实现了具有 100 W 输出功率的原型模型，并对理论分析和实验室结果进行了比较和验证。

更新日期：2021-01-21

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