带有源浮充平台的单相功率因数校正变换器  

A Single Phase Power Factor Correction Converter with Active Floating Charge Landing

作　　者：陆治国[1] 邓文东[1] 杨雪松[2] 石磊 

机构地区：[1]高电压与电工新技术教育部重点实验室(重庆大学),重庆市沙坪坝区400044 [2]重庆市电力公司,重庆市渝中区400015 [3]爱默生网络能源有限公司,广东省深圳市518057

出　　处：《电网技术》2007年第16期67-71,共5页Power System Technology

基　　金：国家自然科学基金资助项目(59777021)。~~

摘　　要：为消除Boost变换器用于两级功率因数校正(power factor correction,PFC)器前级时的升压作用对输出电压的影响,作者用充电泵功率因数校正变换器构造了有源浮充平台电路,并将其应用于单相Boost型PFC变换器中,设计了带有源浮充平台的单相功率因数校正变换器。该变换器保持了传统Boost型PFC变换器的优点,输出电压大大降低,拓宽了PFC电路的应用范围,为设计后级DC-DC变换器提供了便利。仿真分析和实验结果均表明,该变换器的输出电压大大降低,可实现单位功率因数校正,具有良好的动态性能。Due to the step-up characteristic of Boost converter, the output voltage is higher than the peak value of the input voltage. When Boost converter is applied as the poe-regulator of two-stage power factor correction （PFC） converter, in order to eliminate the affect of its step-up characteristic on output voltage, based on power factor correction converter using charge pump, the authors construct active floating-charge-landing （FCL） circuit and apply it to single-phase Boost type of PFC converter, for this purpose a single-phase PFC converter with active FCL is designed. The designed converter keeps on the advantages of traditional Boost type of PFC converter, its output voltage is evidently reduced, the application range of PFC circuit is widened and offers convenience for the design of DC-DC converter in following stage. Simulation and test results show that the proposed converter can reduce output voltage and implement unit power factor correction, and its dynamic performance is satisfactory.

关 键 词：功率因数校正(PFC) BOOST变换器 有源浮充平台 单周控制 

分 类 号：TM46[电气工程—电器]