基于UC3842的BUCK双向DC-DC变换器设计与实现  

Design and Implementation of a Bi-directional DC-DC Buck Converter Based on UC3842

作　　者：耿运涛[1] 张扬 唐杰[2] Geng Yuntao;Zhang Yang;Tang Jie(Shaoyang Polytechnic,Shaoyang,422000;Shaoyang University,Shaoyang,422000)

机构地区：[1]邵阳职业技术学院,湖南邵阳422000 [2]邵阳学院,湖南邵阳422000

出　　处：《船电技术》2020年第8期57-60,共4页Marine Electric & Electronic Engineering

基　　金：2019年邵阳市科技局指导性科技计划项目(项目编号:2019ZD39)。

摘　　要：本文设计了一种基于UC3842的降压开关电源。在基于理论分析的基础上,论文系统的介绍了所设计的基于UC3842的双向DC-DC变换器的拓扑,以及各个拓扑结构的工作原理;设计了一套12V开关电源,并研制了样机;最后对所完成的样机进行了实验分析。根据理论分析和实验的数据可以得出所设计的基于UC3842的降压型开关电源工作稳定,提高了电能变换效率。在微电网、三相不平衡并网控制、电力电子设备、双向储能等领域有很好的应用推广价值。A step-down switching power supply based on UC3842 is designed.The topology of the bidirectional DC-DC Buck converter based on UC3842 and the working principle of each topology are introduced.then,a set of 12V switching power supply is designed and a prototype is developed.And then the experimental analysis of the completed prototype is carried out.Experimental results show that the designed UC3842-based step-down switching power supply works stably and the power conversion efficiency is improved.It could be applied in the fields of micro-grid,three-phase unbalanced grid-connected control,and two-way energy storage.

关 键 词：开关电源 UC3842 BUCK 电路 

分 类 号：TN86[电子电信—信息与通信工程]