A Primary Ended Switched Inductor–Switched Capacitor Based High-Gain DC–DC Converter

IF 1.4 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Circuit Theory and Applications Pub Date : 2026-10-05 Epub Date: 2026-01-22 DOI:10.1002/cta.70312

P. Raviteja, B. L. Narasimharaju

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Abstract

This paper introduces the Primary Ended Switched Inductor–Switched Capacitor High-Gain (PESL-SCHG) converter, designed to achieve high voltage gain while operating at a reduced duty cycle. This operating characteristic significantly reduces conduction losses in the converter circuit. The PESL-SCHG converter incorporates both switched inductor and switched capacitor components, ensuring a continuous input current that enhances the overall system efficiency. A detailed analysis of the converter, including its operational principles, steady-state behavior, and stress analysis of both voltage and current, is presented. The performance of the proposed PESL-SCHG converter is compared with that of existing converters to highlight its advantages and improvements. To validate the claims made about the converter's performance, a 20–400 V, 200-W hardware prototype is tested. The experimental results confirm the converter's enhanced capabilities and efficiency, demonstrating the PESL-SCHG converter's suitability for high-gain applications.

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基于初级端开关电感-开关电容的高增益DC-DC变换器

本文介绍了一种主端开关电感-开关电容高增益转换器（PESL-SCHG），其设计目的是在降低占空比的情况下实现高电压增益。这种工作特性显著降低了变换器电路中的传导损耗。PESL-SCHG转换器集成了开关电感和开关电容组件，确保连续输入电流，提高了整体系统效率。对变换器进行了详细的分析，包括其工作原理、稳态行为以及电压和电流的应力分析。将所提出的PESL-SCHG变换器的性能与现有变换器进行了比较，以突出其优点和改进之处。为了验证有关转换器性能的声明，对20-400 V， 200-W的硬件原型进行了测试。实验结果证实了该变换器的性能和效率的提高，证明了PESL-SCHG变换器适用于高增益应用。

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 Journal of Circuit Theory and Applications 工程技术-工程：电子与电气

CiteScore

3.60

自引率

34.80%

发文量

277

审稿时长

4.5 months

期刊介绍： The scope of the Journal comprises all aspects of the theory and design of analog and digital circuits together with the application of the ideas and techniques of circuit theory in other fields of science and engineering. Examples of the areas covered include: Fundamental Circuit Theory together with its mathematical and computational aspects; Circuit modeling of devices; Synthesis and design of filters and active circuits; Neural networks; Nonlinear and chaotic circuits; Signal processing and VLSI; Distributed, switched and digital circuits; Power electronics; Solid state devices. Contributions to CAD and simulation are welcome.