带Z源的高频环节AC-AC变换器  

AC-AC Converter With the Z-Source and High Frequencylink

作　　者：陈元娣[1,2] 钱亮[2] 朱忠尼[2] 余明友[2] 

机构地区：[1]武汉大学电气工程学院,武汉430072 [2]空军雷达学院,武汉430019

出　　处：《电工技术学报》2011年第5期88-94,共7页Transactions of China Electrotechnical Society

摘　　要：提出了一种基于Z源的高频环节AC-AC变换器,它是由输入滤波电路、储能电感、输入周波变换器、高频变压器、输出周波变换器、控制开关、输出滤波器依次级联组成。深入分析研究了这种变换器的稳态原理与移相控制策略。最后进行了仿真和实验。仿真和实验结果表明,这种变换器具有输出变压(升/降)、频率可变、高频电气隔离、双向功率流、负载适应能力强等优点,为优良性能的智能万用变压器、正弦交流稳压器、调压器、电网补偿器奠定了关键技术基础。This paper proposes a high frequency AC-AC converter based on Z-source,the converter is composed of input filtering circuit,dumping inductor,input cycloconverter,high frequency converter,output cycloconverter,control switching,and output filtering.The paper gives in detail the work theory of the electric circuit and phase-shifted control strategy.Finally,the simulation and experimental results shows that the converter has the merits of output transformation,frequency conversion,high frequency electrical isolation,two phase power transmission.And it establishes a key technique foundation for IUT（intelligent universal transformer）,regulated sinusoidal AC power supply,regulator,and power network compensation.

关 键 词：Z源 AC-AC变换器 高频环节 周波变换器 

分 类 号：TM464[电气工程—电器]