基于频率自适应磁化电感的宽输入电压LLC变换器参数优化设计方法

2019 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE) Pub Date : 2019-05-01 DOI:10.1109/PRECEDE.2019.8753328

Jiazhe Chen, Liangzong He, Bing Cheng

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引用次数: 4

摘要

有限责任公司谐振器因其高效率而备受关注。然而，其宽输入电压效率仍不能满足日益提高的要求。本文提出了一种基于频率的自适应磁化电感的有限责任公司变换器，以提高在宽输入电压范围内的效率。为了降低变压器的设计难度，采用两个变压器作为矩阵变压器，有利于提高效率。更重要的是，本文还提出了一种简化的参数计算方法。最后，对该设计方法的实用性进行了分析和验证。5kW, 160kHz实验样机。

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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Optimized parameter design method for wide-input-voltage LLC converter with frequency-based self-adapted magnetizing inductance

The LLC resonant has drawn much attention for high efficiency. However, its wide-input-voltage efficiency still cannot meet the ever increasing requirements. This paper proposes a LLC converter with frequency-based self-adapted magnetizing inductance to improve the efficiency in wide input voltage range. In order to reduce design difficulty of transformer, two transformers are used as matrix transformer, which helps efficiency improvement as well. More importantly, a simplified method for parameter calculation is also proposed in the paper. The practicability of the proposed design method is analyzed and verified on a 1. $5kW, 160kHz$ experimental prototype.

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2019 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE)

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