基于推挽电路的大功率直流电源设计  

Design a DC Power Supply Based on Two Series Transformer of Push-pull Circuit

作　　者：姜艳姝[1] 郭东[1] 徐兴[1] 

机构地区：[1]哈尔滨理工大学自动化学院,黑龙江哈尔滨150080

出　　处：《电气传动》2016年第5期49-52,共4页Electric Drive

摘　　要：基于PWM控制的推挽式DC-DC直流升压电路的系统结构,设计了一款2 k W大功率直流升压变换器。该推挽拓扑结构采用2组高频变压器并联的升压方式,用1组驱动信号同时驱动2个开关管,转换效率高,对器件的参数要求不高。最后研制出了额定直流48 V输入,直流310 V输出,2 k W功率的DC/DC变换器。通过实验证明该变换器具有较高的效率与实用价值。Based on PWM control of push？pull DC-DC booster circuit system structure,a 2 000 W DC boostconverter was designed. The push？pull topology adopted two sets of high frequency transformer in parallel way ofbooster,with a set of driving signal to drive both switch tube,high conversion efficiency,and the parameters of therequest was not too high to the device. Finally 2 000 W DC/DC converter was developed with DC 48 V input,DC310 V output. Experiments show that the converter has more efficiency and practical value.

关 键 词：PWM控制 高频变压器 开关管 DC/DC 

分 类 号：TM433[电气工程—电器]