Design and Analysis of a Three-Phase Interleaved DC-DC Boost Converter with an Energy Storage System for a PV System

IF 3 4区工程技术 Q3 ENERGY & FUELS

Energies Pub Date : 2024-01-03 DOI:10.3390/en17010250

L. Pirashanthiyah, H. N. Edirisinghe, W. M. P. De Silva, S. Bolonne, V. Logeeshan, C. Wanigasekara

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Abstract

This paper describes a groundbreaking design of a three-phase interleaved boost converter for PV systems, leveraging parallel-connected conventional boost converters to reduce input current and output voltage ripple while improving the dynamic performance. A distinctive feature of this study is the direct connection of a Li-Ion battery to the DC link, which eliminates the need for an additional charging circuit, which is a departure from conventional approaches. Furthermore, the combination of an MPPT controller and a closed-loop fuzzy controller with a current control mode ensures accurate switching signal generation for all three phases. The meticulously tuned system exhibits a remarkably low ripple content in the output voltage, surpassing calculated values, and demonstrates a superior dynamic performance. The investigation extends to a comprehensive analysis of losses, encompassing inductor copper loss and semiconductor conduction loss. In all scenarios, the converter exhibits an efficiency exceeding 93%, highlighting its robust performance as an effective solution for PV systems.

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为光伏系统设计和分析带储能系统的三相交错直流-直流升压转换器

本文介绍了用于光伏系统的三相交错升压转换器的突破性设计，利用并联的传统升压转换器来降低输入电流和输出电压纹波，同时改善动态性能。这项研究的一个显著特点是将锂离子电池直接连接到直流链路，从而无需额外的充电电路，这与传统方法不同。此外，将 MPPT 控制器和具有电流控制模式的闭环模糊控制器相结合，可确保为所有三个相位生成精确的开关信号。经过精心调谐的系统输出电压纹波含量极低，超过了计算值，并表现出卓越的动态性能。研究还对损耗进行了全面分析，包括电感器铜损耗和半导体传导损耗。在所有情况下，该转换器的效率都超过了 93%，突出了其作为光伏系统有效解决方案的强大性能。

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

Energies ENERGY & FUELS-

CiteScore

6.20

自引率

21.90%

发文量

8045

审稿时长

1.9 months

期刊介绍： Energies (ISSN 1996-1073) is an open access journal of related scientific research, technology development and policy and management studies. It publishes reviews, regular research papers, and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced.