CAJ | 학술논문

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，dsPIC30 F4011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。
제출료일충기우BUCK전로적DC/AC변환기결구，병개소료기공작원리。변환기채용쌍BUCK전로위주전로，쌍전원공전，dsPIC30 F4011단편궤위공제기。응용PSIM연건대기진행방진，렬출료방진삼수，급출료부재전압，이급조제급정전압화변환기수출전압적방진결과。동시구건료상응적실험전로，급출료주요적기술삼수，측취료다개전압적상관파형。실험결과표명기우BUCK전로적DC/AC변환기가이실현공빈역변수출。
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.