Analysis and design of LCL-type series resonant converter
Analysis and design of LCL-type series resonant converter
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DOI：
10.1109/41.281617
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发表时间：
1990-10
期刊：
影响因子：
--
通讯作者：
A. Bhat
中科院分区：
文献类型：
--
作者：
A. Bhat
提出了一种在Transformer原边（或副边）并联电感的串联谐振功率变换器。这种配置被称为“LCL型串联谐振转换器”。提出了一种利用复杂电路分析的简化稳态分析方法。在此基础上，给出了一种简单的设计方法。详细的实验结果从一个基于以太网的500 W转换器，以验证分析。要求开关频率的窄变化以针对非常宽的负载变化来调节输出电压常数，并且转换器具有负载短路能力。结果表明，通过在次级侧放置并联电感，可以有利地利用高频Transformer的寄生效应。
A series resonant power converter modified by adding an inductor in parallel with the transformer primary (or secondary) is presented. This configuration is referred to as 'LCL-type series resonant converter'. A simplified steady-state analysis using complex circuit analysis is presented. Based on the analysis, a simple design procedure is given. Detailed experimental results obtained from a MOSFET-based 500 W converter are presented to verify the analysis. A narrow variation in switching frequency is required to regulate the output voltage constant for a very wide change in load, and the converter has load short circuit capability. It is shown that by placing the parallel inductor on the secondary-side, the parasitics of the high-frequency transformer can be used profitably.>