基于SEPIC變換器的功率因數(shù)校正電路的參數(shù)設(shè)計(jì)與分析
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SEPIC電路只要工作在斷續(xù)狀態(tài)就能做到單位功率因數(shù)校正。占空比的相對(duì)變化量越大，THD就越大。只需控制占空比的相對(duì)變化量就可以控制輸入電流THD。占空比的直流分量越大，輸出電壓的負(fù)載調(diào)整率就越小。
參考文獻(xiàn)
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，許建平：VF-Sepic-PFC 電路的設(shè)計(jì)，西南交通大學(xué)學(xué)報(bào)，1999年8月，34卷，第4期，P397-401
6. 阮新波 《直流開(kāi)關(guān)電源的軟開(kāi)關(guān)技術(shù)》,科學(xué)出版社，1999，P32-34
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