A New Coupled-Inductor-Based Quadratic DC/DC Converter With Low Current Stress

IF 3.5 3区工程技术 Q3 ENERGY & FUELS

Energy Science & Engineering Pub Date : 2025-02-09 DOI:10.1002/ese3.70017

Sara Hasanpour, Sze Sing Lee

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Abstract

This article presents a new ultrahigh-voltage gain DC/DC converter for renewable energy sources applications. In the presented topology, a three-winding coupled-inductor (TWCI) and a switch-capacitor network are employed in a classic quadratic boost converter to produce a high voltage gain while ensuring continuous input current and common ground between the input source and output load sides. This circuit has a semi-trans-inverse feature; therefore, higher voltage gain can be obtained under a very low number of turn ratios of the TWCI. Moreover, the current sharing between the TWCI and input inductor of this topology minimizes the power dissipation of the active switches and the magnetic components. In this circuit, two passive clamp circuits are used to limit the voltage stresses of the active switches, which are operated in simultaneous switching patterns. Detailed steady-state analysis, power loss estimations, comparison studies, and design considerations are provided. Finally, a sample prototype (200 W) has been implemented to verify the theoretical analysis of the proposed converter.

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一种基于耦合电感的低电流应力二次型DC/DC变换器

本文介绍了一种用于可再生能源应用的新型超高电压增益 DC/DC 转换器。在所介绍的拓扑结构中，经典的二次升压转换器采用了三绕组耦合电感（TWCI）和开关电容网络，以产生高电压增益，同时确保输入源和输出负载侧之间的连续输入电流和共地。该电路具有半反向特性，因此在 TWCI 的匝数比很低的情况下也能获得较高的电压增益。此外，这种拓扑结构的 TWCI 与输入电感器之间的电流共享可将有源开关和磁性元件的功率耗散降至最低。在该电路中，两个无源钳位电路用于限制有源开关的电压应力，而有源开关是以同步开关模式工作的。该电路提供了详细的稳态分析、功率损耗估算、对比研究和设计注意事项。最后，还实现了一个样品原型（200 W），以验证拟议转换器的理论分析。

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

Energy Science & Engineering Engineering-Safety, Risk, Reliability and Quality

CiteScore

6.80

自引率

7.90%

发文量

298

审稿时长

11 weeks

期刊介绍： Energy Science & Engineering is a peer reviewed, open access journal dedicated to fundamental and applied research on energy and supply and use. Published as a co-operative venture of Wiley and SCI (Society of Chemical Industry), the journal offers authors a fast route to publication and the ability to share their research with the widest possible audience of scientists, professionals and other interested people across the globe. Securing an affordable and low carbon energy supply is a critical challenge of the 21st century and the solutions will require collaboration between scientists and engineers worldwide. This new journal aims to facilitate collaboration and spark innovation in energy research and development. Due to the importance of this topic to society and economic development the journal will give priority to quality research papers that are accessible to a broad readership and discuss sustainable, state-of-the art approaches to shaping the future of energy. This multidisciplinary journal will appeal to all researchers and professionals working in any area of energy in academia, industry or government, including scientists, engineers, consultants, policy-makers, government officials, economists and corporate organisations.