电压源高频交流环节AC/AC变换器原理研究  

Research on Principles of Voltage Mode AC/AC Converters with High Frequency AC Link

作　　者：陈道炼[1] 李磊[1] 

机构地区：[1]南京航空航天大学自动化学院,江苏南京210016

出　　处：《电源技术应用》2002年第10期23-27,共5页Power Supply Technologles and Applications

基　　金：国家自然科学基金 (59977010);江苏省自然科学基金 (BK99121)

摘　　要：首次提出了电压源高频交流环节AC/AC变换器电路拓扑族,这类电路拓扑由输入周波变换器、高频变压器、输出周波变换器构成。分析研究了这类变换器稳态原理与移相控制策略,绘出了变换器的外特性曲线,这类变换器具有电路拓扑简洁、两级功率变换(LFAC/HFAC/LFAC)、双向功率流、高频电气隔离、网侧电流波形可得到改善、负载适应能力强等优点。A eircint lopology family of the voltage mode AC/AC converters with high frequency AC link arc firstly proposed . The kind of dircuit topologres arc constituted of input cyeloconverter,high frequency transformer, output eyeloeonverter. The steady prieinples and shift-phase control strategy are investigated. The output characteristic curve is given. The voltage mode AC/AC converters with high frequency AC link have the advantages such as simple topology, two-stage power conversions, bi-directional power flow, high frequency electrical isolation, good line current waveform, strong load adapting fimetion. The correction and advance of the kind of converters are verified by PSPICE simulation.

关 键 词：电压源 高频交流环节 AC/AC变换器 周波变换器 移相控制 控制原理 

分 类 号：TN624[电子电信—电路与系统] TM46[电气工程—电器]