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低输出电压纹波三态PCCM CUK PFC变换器 被引量:5

Tri-state PCCM CUK PFC converter with low output-voltage ripple
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摘要 提出了一种具有低输出电压纹波的三态伪连续导电模式(PCCM)CUK功率因数校正(PFC)变换器及其控制策略。在CUK变换器的中间储能电容(过渡电容)上串联一个开关管,使得中间储能电容电压在一个开关周期内存在3个工作状态,进而获得低输出电压纹波和快速的负载动态响应速度。分析了三态PCCM CUK PFC变换器的工作原理,仿真验证了理论分析结果,同时通过一个200 W的实验电路验证了结论的正确性。结果表明三态PCCM CUK PFC变换器具有输入功率因数高、输出电压纹波小和动态响应速度快的优点。 A kind of tri-state PCCM(Pseudo Continuous Conduction Mode) CUK PFC(Power Factor Correction) converter with low output-voltage ripple and its control strategy are proposed. By connecting a power switch in series with the CUK capacitor,three operating states of capacitor voltage are obtained within a switching cycle,resulting in low output-voltage ripple and fast dynamic load response. The operating principle of tri- state PCCM CUK PFC converter is analyzed and verified by simulation. The experimental results of a 200 W prototype show that the tri-state PCCM CUK PFC converter has high power factor,low output-voltage ripple and fast dynamic response.
出处 《电力自动化设备》 EI CSCD 北大核心 2014年第1期80-84,90,共6页 Electric Power Automation Equipment
基金 国家自然科学基金资助项目(51177140) 中央高校基本科研业务费专项资金资助项目(2682013ZT20)~~
关键词 功率因数校正 变换器 动态响应 低输出电压纹波 伪连续导电模式 power factor correction electric converters dynamic response low output-voltage ripple pseudo continuous conduction mode
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参考文献18

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