基于SEPIC变换器的功率因数校正电路的参数设计与分析
SEPIC电路只要工作在断续状态就能做到单位功率因数校正。占空比的相对变化量越大,THD就越大。只需控制占空比的相对变化量就可以控制输入电流THD。占空比的直流分量越大,输出电压的负载调整率就越小。
参考文献
1. Richard Redl,Laszlo Balogh,Nathan- O.Sokal. “A new Family of Single-Stage Isolated Power-Factor Correctors with Fast Regulation of the Output Voltage”.PESC’94.P1137-1144.
2. Simonetti D S L,Sabastian J,Uceda J. “The Discontinuous Conduction Mode Sepic and Cuk Power Factor Preregulators:analysis and design.” IEEE Trans. on IE-44,1997;5:P630-637
3. Rajapandian Ayyanar and Ned Mohan, Jian Sun “Single-Stage Three-phase Power-Factor-Correction Circuit Using Three Isolated Single-Phase SEPIC Converters Operating in CCM” PESC’00.P353-364.
4. L.H.Dixon High Power Factor Preregu-lator Using the SEPIC Converter,Unitr-ode Seminar Manual SEM900,1993
5. 石文,许建平:VF-Sepic-PFC 电路的设计,西南交通大学学报,1999年8月,34卷,第4期,P397-401
6. 阮新波 《直流开关电源的软开关技术》,科学出版社,1999,P32-34
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