期刊论文

A novel high gain soft switching bi⁃directional DC⁃DC converter

中文

现代电子技术

1004-373X

2023

46

18

104-112

10.16652/j.issn.1004-373x.2023.18.019

本校为第一机构

针对储能设备的充放电应用场景，文中提出一种新型双向直流变换器结构。该变换器具有正向高电压增益、宽输入范围、可实现软开关的特点。通过两个交错并联的电感交替充放电，可以减小输入电流纹波；高压侧的2个分压电容不仅能够将电压增益提高1倍，还能在全状态下都实现自动均压。通过增加谐振单元帮助实现开关管的软开关的同时，谐振单元中的开关管也能够实现零电流关断。文中对拓扑的演绎和改进方法进行阐述，对拓扑结构的工作原理、软开关实现方式进行分析；并与其他的相似拓扑结构进行性能比较。最后通过搭建仿真模型验证设计的变换器结构的有效性和可行性。仿真结果表明：所提变换器具有比...

A new bidirectional DC-DC converter structure is proposed for the charge and discharge application scenario of energy storage device,which has the characteristics of high forward voltage gain and wide input range,and can achieve soft switching.The ripple of input curren...MORE A new bidirectional DC-DC converter structure is proposed for the charge and discharge application scenario of energy storage device,which has the characteristics of high forward voltage gain and wide input range,and can achieve soft switching.The ripple of input current is reduced by alternating charge and discharge of ...