多相DC-DC变换器输出纹波分析

Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475) Pub Date : 1999-07-27 DOI:10.1109/PEDS.1999.792732

P. Dahono, Slamet Riyadi, Ahmad Mudawari, Y. Haroen

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引用次数: 75

摘要

本文介绍了带输出LC滤波器的多相DC-DC功率变换器的输出纹波分析。推导了两相和三相DC-DC功率变换器输出电压纹波的解析表达式。研究了输出滤波器电感耦合系数对输出纹波的影响。由于LC滤波器的唯一参数不能仅根据规定的最大输出纹波来确定，因此引入了基于最小储能的附加准则。对单相、两相和三相DC-DC电源变换器进行了比较评价。实验结果验证了该分析方法的有效性。

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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Output ripple analysis of multiphase DC-DC converters

This paper presents an output ripple analysis of multiphase DC-DC power converters having an output LC filter. Analytical expressions for the output voltage ripple of two- and three-phase DC-DC power converters are derived. Influence of the coupling coefficient of the output filter inductor on the output ripple is investigated. Because the unique parameters of the LC filter cannot be determined solely based on the specified maximum output ripple, an additional criterion based on minimum energy storage is introduced. A comparative evaluation of single-phase, two-phase, and three-phase DC-DC power converters is presented. The validity of the proposed analysis method is verified by experimental results.

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Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475)

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