中国电机工程学报2016，Vol.36Issue(6)：1667-1673,1780,8.DOI:10.13334/j.0258-8013.pcsee.2016.06.023
一种具有宽输入电压范围的集成Buck-Boost LLC级联变换器
An Integrated Buck-Boost LLC Cascaded Converter With Wide Input Voltage Range
摘要
Abstract
An integrated Buck-Boost LLC (IBBLLC) converter which is a good candidate for wide input voltage applications was researched. By sharing the switches, the amount of the switches is reduced. In order to make all primary switches realize ZVS under whole input voltage range and load conditions, PWM+Phase-Shift control strategy is employed in this converter. Firstly, the topology and DC gain of the converter was introduced. Then the operations modes and the influence of inductor was introduced which can provide theoretical foundation for the parameters selection. Besides, the ZVS conditions were analyzed and the ZVS operation area of the converter was given. Finally, a prototype with 200~450V input voltage, 14V output voltage and 80A output current was established to verify the correctness of the theoretical analysis and the feasibility of the control strategy.关键词
Buck-Boost/LLC/Phase-Shift/宽输入电压范围Key words
Buck-Boost/LLC/phase-shift/wide input voltage range分类
信息技术与安全科学引用本文复制引用
孙孝峰,仇江峰,栗晓华,骆志伟..一种具有宽输入电压范围的集成Buck-Boost LLC级联变换器[J].中国电机工程学报,2016,36(6):1667-1673,1780,8.基金项目
国家自然科学基金项目(51407155,51077112)；河北省自然科学基金项目(E2015203407,13211907D-2)。 Project Supported by National Natural Science Foundation of China (51407155,51077112) （51407155,51077112）
Project Supported by the Natural Science Foundation of Hebei Province (E2015203407,13211907D-2) （E2015203407,13211907D-2）
