A Novel Five-Level Boost Switched Capacitor Inverter for Renewable Applications

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: 2026-01-16 DOI:10.1002/cta.70313

Ranjan Kumar, Anand Kumar, Alok Priyadarshi, Kasinath Jena, Niraj Kumar Dewangan

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引用次数: 0

Abstract

This paper introduces a single and three-phase five-level switched-capacitor multilevel inverter (SC-MLI) topology distinguished by self-voltage balancing and intrinsic voltage enhancement capabilities. The proposed topology (PT) gets a voltage gain factor of two without needing an extra DC–DC boost converter or transformer. The PT generates a five-level output voltage using merely eight switches for single-phase and five switches for per-phase three-phase topologies, along with two diodes and two capacitors, thereby providing a more compact, economical, and efficient solution. A thorough comparison with existing SCMLI setups underscores the advantages of the PT. To determine the effectiveness of the proposed approach, extensive simulations and experimental studies have been performed to confirm the efficacy of the PT. The measured efficiency and cost of the PT are 97.84% and $69.04, respectively.

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一种新型可再生五电平升压开关电容逆变器

本文介绍了一种单、三相五电平开关电容多电平逆变器（SC-MLI）拓扑结构，其特点是具有自电压平衡能力和固有电压增强能力。所提出的拓扑（PT）无需额外的DC-DC升压转换器或变压器即可获得2的电压增益因子。PT仅使用8个单相开关和5个单相三相开关，以及两个二极管和两个电容器，就能产生5级输出电压，从而提供更紧凑、经济和高效的解决方案。与现有的SCMLI装置进行了彻底的比较，强调了PT的优势。为了确定所提出方法的有效性，进行了大量的模拟和实验研究，以确认PT的有效性。PT的测量效率和成本分别为97.84%和69.04美元。

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.