基于H桥的DC-DC变换器理论分析与仿真研究  

Simulation Research and Theoretical Analysis on DC-DC Converter Based on H-Bridge

作　　者：夏益辉[1] 赵镜红[1] 张俊洪[1] 

机构地区：[1]海军工程大学电气工程学院,武汉430033

出　　处：《船电技术》2017年第12期15-18,共4页Marine Electric & Electronic Engineering

摘　　要：传统的Buck电路只能实现单极性输出,而对于一些需要双极性输出的场合如直流电机励磁控制器等,则不能满足应用要求。基于H桥的DC-DC变换器在保证与Buck电路相同输出性能的前提下,可以实现双极性输出。分析了基于H桥的DC-DC变换器基本结构,探讨了其基本工作原理,并对其在开环控制下输出性能进行了仿真研究。仿真结果表明基于H桥的DC-DC变换器是可行的。Traditional Buck converter only can output unipolar voltage, it does not satisfy application requirements of occasions which need bipolar output voltage such as DC motor excitation controller. On the premise of same output performances between H-bridge DC-DC converter and Buck converter, H-bridge DC-DC converter can achieve bipolar output. Basic structure of DC-DC converter based on H-bridge was analyzed and its basic principal also is discussed, and its output performances are emulated with open-loop control Emulated results indicate that the proposed DC-DC converter based on H-bridge is feasible.

关 键 词：单极性输出 双极性输出 H桥 DC-DC变换器 

分 类 号：TM46[电气工程—电器]