一种变比为1/4或4的开关电容AC/AC变换器  

A Voltage Ratio of 1/4 or 4 of the Switched-capacitor AC/AC Converter

作　　者：蔡慧[1] 王忠阁[1] 汪伟[1] 

机构地区：[1]中国计量学院,浙江杭州310018

出　　处：《电力电子技术》2013年第11期41-43,共3页Power Electronics

基　　金：浙江省自然科学青年基金(LQ13E070001)~~

摘　　要：提出一种基于开关电容原理的新型AC/AC变换器,能实现变比为1/4或4的交流电压变换。该变换器只由电容和开关管组成,不含磁性元件,具有体积小、重量轻、功率密度高等优点。阐述了新型开关电容AC/AC变换器的拓扑结构及基本工作原理,并给出了等效电路模型。实验结果验证了理论分析的正确性。This paper proposes a novel AC/AC converter based on the switched-capacitor principle,which can be achieved with a ratio of 1/4 or 4 AC voltage conversions.The converter is composed only of capacitors and switches, without magnetic components, with a small size,light weight and high power density advantages.The principle of oper- ation and the circuit topology of the switched capacitor AC/AC converter are described.The equivalent circuit model is given.The experimental results verify the validity of the theoretical analysis.

关 键 词：变换器 开关电容 电压变换 

分 类 号：TM46[电气工程—电器]