具有“间接”谐振核和连续变换器的Dickson谐振开关电容器变换器

2019 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2019-03-17 DOI:10.1109/APEC.2019.8721994

Shouxian Li, Ningning Zhang, Shuhua Zheng, Wenhao Xie, K. Smedley

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引用次数: 8

摘要

提出了一种具有“间接”谐振核和连续转换率的Dickson谐振开关电容变换器(RSC)。传统的Dickson开关电容变换器(SCC)存在暂态电流尖峰高、工作硬开关和线路调节范围有限等缺点。本文在中间充电路径上插入一个具有双向电流的小型谐振电感，形成一个谐振磁芯，称为“间接”谐振磁芯。Dickson RSC工作在谐振以上，具有低瞬态电流尖峰、晶体管ZVS通、二极管ZCS关断和连续转换比等优点。建立了150W样机，验证了变换器的工作原理和调节能力。

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 Dickson Resonant Switched-capacitor Converter with "Indirect" Resonant Core and Continuous Conversion Ratio

A Dickson Resonant Switched-capacitor converter (RSC) with "indirect" resonant core and continuous conversion ratio is proposed in this paper. The traditional Dickson switched- capacitor converter (SCC) comes with the shortcomings of high transient current spike, hard-switched operation and limited line regulation range. In this paper, a small resonant inductor with bidirectional current is inserted to the intermediate charging path to form a resonant core, which is named the "indirect" resonant core. The Dickson RSC operates above the resonance with the merits of low transient current spike, ZVS turn-on for transistors, ZCS turn-off for diodes and continuous conversion ratio. A 150W prototype was built to verify the converter operation principle and regulation capability.

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2019 IEEE Applied Power Electronics Conference and Exposition (APEC)

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