基于TMS320F28335的双向AC/DC变换器  

Bidirectional AC/DC Converter Based on TMS320F28335 DSP

作　　者：焦鑫艳[1] 肖华锋[1] 谢少军[1] 

机构地区：[1]南京航空航天大学,江苏南京210016

出　　处：《电力电子技术》2010年第12期47-49,共3页Power Electronics

摘　　要：研究了一种高功率因数双向AC/DC变换器,实现分布式直流供电系统与电网的连接。给出了变换器的控制策略,设计了以浮点型DSP TMS320F28335为数字控制核心的5 kW样机,并进行了实验研究。实验结果表明,所设计的双向AC/DC变换器能实现能量的双向流动和直流母线电压的稳定,以及网侧电流高正弦度及单位功率因数,可用于提高可再生能源发电系统的能源利用效率和供电电能质量。This paper studies a bidirectional AC/DC converter with a high power factor,which connects grid with the DC distributed power system.The control strategy of the converter is put forward.A 5 kW prototype based on TMS320F28335 DSP is designed.As an experimental result,the transfer of energy between the grid AC line and the high voltage DC bus power supply can be accomplished.With the sine wave of AC current,the high power factor gets almost unity and the voltage stability is enhanced,the utilization efficiency and the power supply quality of renewable energy generation system are improved.

关 键 词：双向变换器 分布式直流供电系统 数字信号处理器 

分 类 号：TM46[电气工程—电器]