电池充电中用于降低纹波电流的LLC谐振变换器输出滤波器的设计

2015 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia) Pub Date : 2015-06-01 DOI:10.1109/ICPE.2015.7168060

Sang-Min Park, Dong-Hee Kim, Dongmyoung Joo, Min-Jung Kim, Byoung-Kuk Lee

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引用次数: 10

摘要

本文提出了一种降低电池充电器LLC谐振变换器纹波电流的滤波器设计准则。从数学上分析了滤波电感对谐振网络的影响，并在考虑电池电容的基础上设计了滤波电感。利用基频逼近法分析了带滤波电感的LLC谐振变换器的电压增益。本研究通过数学分析、仿真和实验结果验证了该方法与不带输出滤波电感的传统LLC谐振变换器的纹波电流抑制性能。

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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Design of output filter in LLC resonant converters for ripple current reduction in battery charging applications

In this paper, a filter design guideline to reduce the ripple current in LLC resonant converters for the battery charger is proposed. The effect of filter inductor on the resonant network is mathematically analyzed, and a filter inductor is designed considering capacitance of the battery. The voltage gain of LLC resonant converter with filter inductor is analyzed through fundamental harmonic approximation (FHA) method. This research verifies performance of ripple current reduction compared with conventional LLC resonant converter without output filter inductor through mathematical analysis, simulation and experimental results.

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来源期刊

2015 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia)

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