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。PSPICE仿真波形充分证实了这类变换器的正确性和先进性。
A circuit topology family of the voltage mode AC/AC converters with high frequency ac link are first proposed.The kind of circuit topologies are constituted of input cycloconverter,high frequency transformer,output cycloconverter.The steady pricinples 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,bidirectional power flow,high frequency electrical isolation,good line current waveform,strong load adapting function.The correction and advance of the kind of converters are verified by PSPICE simulation.
出处
《电工技术学报》
EI
CSCD
北大核心
2001年第6期25-30,共6页
Transactions of China Electrotechnical Society
基金
国家自然科学基金 ( 5 99770 10 )
江苏省自然科学基金 (BK9912 1)
