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首页> 外文期刊>International Journal of Integrated Engineering >Optimization Design of Multiphase Interleaved DC-DC Boost Converter
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Optimization Design of Multiphase Interleaved DC-DC Boost Converter

机译:多相交错式DC-DC Boost变换器的优化设计

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This paper discusses the optimization design of multiphase interleaved DC-DC boost converter (IBC) in order to achieve current stress and current ripple reductions. 1-phase (conventional), 2-phase, and 3-phase IBCs are considered in this study. Multiphase is defined as multiple parallel branches of circuit of the converter, while interleaved means all branches are operate in phase-shifted to each other in the same frequency and duty cycle. All IBC structures are analyzed with consideration of semiconductor loss, conduction loss, current stress, and input current ripple. Conventional and multiphase IBCs are analyzed in term of optimizing the converter design which are 1-phase, 2-phase, and 3-phase IBCs. The results show that by increasing number of phases from 1 to 3, the power losses are reduced to 60%, 40%, and 20%, respectively. Meanwhile, the input current ripple is reduced to 0.3 A, 0.2 A, and 0.1 A, respectively. Thus, with the prescribed considerations, 2-phase IBC is selected as the optimized design of multiphase IBC.
机译:本文讨论了多相交错式DC-DC升压转换器(IBC)的优化设计,以实现电流应力和电流纹波的减小。本研究考虑了1相(常规),2相和3相IBC。多相定义为转换器电路的多个并联分支,而交错意味着所有分支以相同的频率和占空比彼此相移。分析所有IBC结构时都要考虑半导体损耗,传导损耗,电流应力和输入电流纹波。从优化转换器设计的角度分析了传统和多相IBC,它们是1相,2相和3相IBC。结果表明,通过将相数从1增加到3,功率损耗分别降低到60%,40%和20%。同时,输入电流纹波分别减小至0.3 A,0.2 A和0.1A。因此,出于规定的考虑,选择2相IBC作为多相IBC的优化设计。

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