Enhanced Performance of Cuk and Boost–Based High-Gain Step-Up DC/DC Converter

IF 1.9 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC International Transactions on Electrical Energy Systems Pub Date : 2024-11-15 DOI:10.1155/2024/3166502

Preeti Sharma, Sara Hasanpour, Rajneesh Kumar

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Abstract

This article presents a high-gain step-up DC/DC converter based on the Cuk topology for renewable energy applications. The converter employs an auxiliary circuit to achieve less input current ripple, significantly reducing the input inductor size compared to conventional converters. Therefore, the inductor’s equivalent series resistance (ESR) will be substantially lowered to improve power efficiency. Introducing passive clamp capacitors further enhances efficiency by alleviating voltage stress on the main power switch. Comparative studies with other similar converters highlight the unique benefits of converter design. This converter uses a coupled inductor (CI) and a voltage multiplier circuit to achieve high voltage gains. The following article introduces the principle of operation for a proposed topology and analyzes voltage gain, voltage stress, and efficiency. A comprehensive comparison with the most recent counterparts is also included. Finally, a theoretical analysis is verified using a 200-W (30 V/310 V) sample prototype.

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增强型 Cuk 和升压型高增益升压 DC/DC 转换器的性能

本文介绍了一种基于 Cuk 拓扑的高增益升压型 DC/DC 转换器，适用于可再生能源应用。与传统转换器相比，该转换器采用了辅助电路来减少输入电流纹波，从而显著减小了输入电感器的尺寸。因此，电感器的等效串联电阻（ESR）将大幅降低，从而提高功率效率。引入无源箝位电容器可减轻主电源开关的电压压力，从而进一步提高效率。与其他类似转换器的比较研究凸显了转换器设计的独特优势。该转换器使用耦合电感器 (CI) 和电压倍增器电路来实现高电压增益。下文将介绍拟议拓扑结构的工作原理，并分析电压增益、电压应力和效率。文章还将与最新的同类产品进行全面比较。最后，使用 200 瓦（30 V/310 V）样品原型验证了理论分析。

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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来源期刊

International Transactions on Electrical Energy Systems ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

6.70

自引率

8.70%

发文量

342

期刊介绍： International Transactions on Electrical Energy Systems publishes original research results on key advances in the generation, transmission, and distribution of electrical energy systems. Of particular interest are submissions concerning the modeling, analysis, optimization and control of advanced electric power systems. Manuscripts on topics of economics, finance, policies, insulation materials, low-voltage power electronics, plasmas, and magnetics will generally not be considered for review.