A Novel Switched-Capacitor Enhanced-Boost Quasi Z-Source Network

Transactions on Energy Systems and Engineering Applications Pub Date : 2023-11-24 DOI:10.32397/tesea.vol4.n2.528

Vadthya Jagan, Suguru Praveen Kumar, Kola Deepika, Sama Sravya, Usirikapally Mallesh, N. B

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Abstract

This paper presents a novel switched-capacitor enhanced-boost quasi-Z-source inverter (SCEB-qZSI) for renewable energy applications. The described topology is a novel power electronic converter that uses switched-capacitors to increase the voltage boost. In the meanwhile, a reduced shoot-through condition results in a higher dc-link voltage. Moreover, the proposed concept has the advantages of continuous input current, smaller current ripple, common grounding, and high output voltage gain. The proposed topology is thoroughly examined, and simulation data are used to support the theoretical analysis. The proposed SCEB-qZSI topology has potential uses in electric vehicles, industrial applications, and renewable energy systems which may develop by using the inexpensive components making it an attractive option for applications that have limited funds. D represents the shoot-through duty ratio of the inverter switches which can range from 0

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新型开关电容器增强型升压准 Z 源网络

本文介绍了一种用于可再生能源应用的新型开关电容器增强型升压准 Z 源逆变器（SCEB-qZSI）。所述拓扑结构是一种新型电力电子转换器，利用开关电容器提高电压升压。同时，由于减少了击穿条件，因此直流链路电压更高。此外，所提出的概念还具有输入电流连续、电流纹波较小、共同接地和输出电压增益高等优点。我们对所提出的拓扑结构进行了深入研究，并使用仿真数据来支持理论分析。所提出的 SCEB-qZSI 拓扑结构在电动汽车、工业应用和可再生能源系统中具有潜在用途，可通过使用价格低廉的元件使其成为资金有限的应用领域的一个有吸引力的选择。D 表示逆变器开关的击穿占空比，范围为 0

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