一种新型宽电压转换比双向改进型SEPIC变换器

2023 5th Biennial International Conference on Nascent Technologies in Engineering (ICNTE) Pub Date : 2023-01-20 DOI:10.1109/ICNTE56631.2023.10146642

Sunil Mandal, Prajof Prabhakaran

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引用次数: 0

摘要

提出了一种基于改进SEPIC拓扑结构的新型无变压器双向DC-DC变换器。在所提出的转换器中，在传统的SEPIC转换器中加入了有源开关电感配置，以实现宽电压转换比，同时降低了元件之间的电压和电流应力。该转换器支持低分量的双向降压升压(BBB)能力。详细阐述了该变换器在连续导通模式(CCM)下的工作原理和稳态分析。对变换器进行了动态建模，设计了闭环控制器。所提出的变换器在电流和电压两种控制模式下工作。本文详细介绍了电压补偿器和电流补偿器的设计。详细的分析和仿真结果验证了该变换器的理论分析和性能。

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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A Novel Bidirectional Modified SEPIC Converter with Wide Voltage Conversion Ratio

A Novel, transformer-less, bidirectional DC-DC Converter based on modified SEPIC topology is proposed in this paper. In the proposed converter, an active switched inductor configuration is incorporated in the conventional SEPIC converter to achieve a wide voltage conversion ratio with reduced voltage and current stress across the components. The proposed converter supports bidirectional buck-boost (BBB) capability with low components. The proposed converter's operating principle and steady-state analysis are explained in detail for continuous conduction mode (CCM). Dynamic modelling of the converter is presented and closed-loop controllers are designed. The proposed converter operates in both current and voltage control modes. The design of voltage and current compensators are detailed in this paper. Detailed analysis and simulation results are presented to validate the theoretical analysis and performance of the proposed converter.

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来源期刊

2023 5th Biennial International Conference on Nascent Technologies in Engineering (ICNTE)

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