零电压过渡单周控制功率因数校正电路  

One-Cycle Control Power Factor Correction Circuit with Zero Voltage Transition

作　　者：陈延明[1] 王国年[1] 梁俊 吴慧芳 

机构地区：[1]广西大学,广西南宁530004 [2]广西北海供电局,广西北海530060

出　　处：《电力电子技术》2007年第6期6-7,18,共3页Power Electronics

基　　金：国家科技型中小企业创新基金项目(03C26224500661);广西科技攻关项目(0424016E)~~

摘　　要：基于单周控制技术,设计出单相有源功率因数校正(Active Power Factor Correction,简称APFC)装置;采用电压、电流双闭环反馈控制,实现了变换电路的高功率因数;采用零电压过渡技术,实现了开关管的零电压开通和升压二极管的零电流关断,提高了效率,降低了器件的开关应力,使整个电路结构简单高效。给出了电路的详细设计方法,实验结果表明,该装置具有抗干扰性强,开关损耗小,可靠性好等特点。An Active Power Factor Corrector （APFC） based on one-cycle control technique is proposed in this paper,the sinusoidal unity power factor input current is achieved by using voltage and current dual loop feedback control system.Zero Voltage Transition （ZVT） is employing to realize zero-voltage on for the main switch,and zero-current off for the Boost diode,so the efficiency of the converter is improved,the switch stress is decreased,and the power stage has a simple structure and low cost.The designed considerations and procedures are presented in detail.Experimental results show the advantages of the PFC such as good perturbation rejection,low switching losses, more reliability etc.

关 键 词：功率因数 控制/零电压过渡 

分 类 号：TM714[电气工程—电力系统及自动化]