Boost型AC-AC直接变换器  

Boost AC-AC Direct Converter

作　　者：刘周成[1] 洪峰[1] 

机构地区：[1]南京航空航天大学信息科学与技术学院,江苏南京210046

出　　处：《电气传动》2008年第5期28-30,共3页Electric Drive

摘　　要：介绍了一种新颖的Boost型AC-AC直接变换器。该AC-AC直接变换器通过将BoostDC-DC变换器的开关管双向化得到,可实现单级升压AC-AC直接变换和能量双向流动。给出了其工作模态和工作原理的详细分析。传统交流斩波器大多采用等占空比方式的有效值调节,不能对输入畸变进行有效抑制。讨论Boost型AC-AC直接变换器的双环控制策略,可对输出波形进行动态调整。仿真验证了以上分析的正确性。A new power conversion circuit topology for single-phase AC- AC boost chopper was described. The DC - DC boost converter whose switches are bi-directional was used to realize the AC - AC converter. The proposed converter performs single AC to AC direct conversion and bi-directional power conversion. The steady state operating principle of power circuit topology and control strategy were described. The output voltage of most conventional converter can only follow the input voltage and can not be adjusted because const duty cycle control are used. To boost AC - AC chopper, a muti-loop structure controller was used and output waveforms can be adjusted. Simulation verifies those analysis.

关 键 词：交流-交流变换 斩波器 双向 

分 类 号：TM464[电气工程—电器]