摘要
提出了一种基于BUCK电路的DC/AC变换器结构,并介绍了其工作原理。变换器采用双BUCK电路为主电路,双电源供电,dsPIC30F4011单片机为控制器。应用PSIM软件对其进行仿真,列出了仿真参数,给出了负载电压,以及调制给定电压和变换器输出电压的仿真结果。同时构建了相应的实验电路,给出了主要的技术参数,测取了多个电压的相关波形。实验结果表明基于BUCK电路的DC/AC变换器可以实现工频逆变输出。
A DC/AC converter based on BUCK converter is presented and the converter＇s working principle is taken.The main circuit uses dual-BUCK converter, dual power supply and dsPIC30F4011 MCU as controller .The converter is simulated in the PSIM software .The parameters adopted in the realis-tic simulation ,waveforms such as voltage of modulation reference and load were given ,and a set of labora-torial circuit was built .The parameters of experimentation and the measured waveforms of some interrelat-ed voltage are shown .It is proved that adopting the DC/AC conveter based on BUCK circuit can achieve a line frequency as 50 Hz.
出处
《工业仪表与自动化装置》
2014年第1期17-19,共3页
Industrial Instrumentation & Automation
基金
中央高校基本科研业务费专项资金(13CX06090A)
