Performance Comparison and Design of Passive Components for DC-DC Buck-Boost, Cuk and Sepic Converter

2022 IEEE International Conference of Electron Devices Society Kolkata Chapter (EDKCON) Pub Date : 2022-11-26 DOI:10.1109/EDKCON56221.2022.10032936

A. Mitra, Sujoy Bhowmik, S. Mukherjee, Pallav Dutta, Kamalika Banerjee, Sudhangshu Sarkar

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Abstract

With recent development in distributed generation, power demand can be mitigated utilizing DC power and its grid integration. Depending on the grid voltage level, proper selection of DC-DC converter is very essential to optimize the size, compactness and cost of the inverter-transformer assembly. Also, there are so many DC-DC converter topologies among which the step-up/down topologies are very useful to maintain the output voltage level as desired, and also offers a wide range of input resistance. In this proposed work, a comparison between three types of step-up/down converter, i.e., Buck-Boost, Cuk and Sepic converter has been inspected with respect to the sizing of passive components and its cost-effectiveness. The transfer function models are developed through which frequency response and damping ratio of the converters are estimated, so that proper selection of converter along with the passive elements can easily be achieved.

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DC-DC Buck-Boost、Cuk和Sepic变换器无源元件性能比较与设计

随着分布式发电的发展，利用直流电源及其电网集成可以缓解电力需求。根据电网电压水平，正确选择DC-DC变换器对于优化逆变变压器组件的尺寸、紧凑性和成本至关重要。此外，有许多DC-DC转换器拓扑结构，其中升压/降压拓扑结构对于保持输出电压水平非常有用，并且还提供了宽范围的输入电阻。在这项拟议的工作中，对三种类型的升压/降压转换器，即Buck-Boost, Cuk和Sepic转换器进行了比较，检查了无源元件的尺寸及其成本效益。建立了传递函数模型，通过传递函数模型估计了变换器的频响和阻尼比，从而便于变换器和无源元件的合理选择。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 IEEE International Conference of Electron Devices Society Kolkata Chapter (EDKCON)

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