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
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)
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