三電感雙Buck逆變器
[Abstract]:The double Buck inverter (dual buck inverter,DBI) does not have the bridge arm through problem, and the power switch tube and the continuous current diode are separated, which is convenient to realize the optimal selection of the continuous current diode, so DBI has the advantages of reliability and conversion efficiency. However, the current on the traditional DBI filter inductor is half-period sine wave, and the utilization rate of magnetic element is low. In order to solve this problem, a three-inductor DBI (three-inductor DBI,TIDBI) is proposed. By separating an AC filter inductor from the original inductor as the dominant filter inductor, and coupling the two DC filter inductors, the utilization ratio of magnetic components is improved. The volume and weight of the filter inductor are reduced effectively. The working principle of TIDBI is analyzed in detail, and the design principle of filter inductor is given. Finally, the experimental results verify the correctness of the theoretical analysis.
【作者單位】: 江蘇省新能源發(fā)電與電能變換重點實驗室(南京航空航天大學(xué));
【基金】:國家自然科學(xué)基金項目(51007039)~~
【分類號】:TM464
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