Intermediate-Frequency Oscillation Behavior of One-Cycle Controlled SEPIC Power Factor Correction Converter via Floquet Multiplier Sensitivity Analysis

Intermediate-Frequency Oscillation Behavior of One-Cycle Controlled SEPIC Power Factor Correction Converter via Floquet Multiplier Sensitivity Analysis
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通过 Floquet 乘法器灵敏度分析单周期控制 SEPIC 功率因数校正转换器的中频振荡行为

DOI:
10.1142/s0218127416501637
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发表时间:
2016-09
影响因子:
2.2
通讯作者:
He Bo
He Bo
中科院分区:
数学4区
文献类型:
--
作者:
Zhang Hao;Dong Shuai;Zhang Yuan;He Bo

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本文研究了SEPIC功率因数校正(PFC)变流器在单周控制下的中频振荡。该转换器工作在连续导通模式(CCM)。提出了一种分析分叉行为的系统方法,并解释了中频振荡的内在物理机制。基于非线性平均模型,用Galerkin方法计算了标称周期平衡态的近似解析表达式。然后,利用弗洛奎理论判断系统的稳定性,并分析了单调矩阵的弗洛奎乘子的运动,揭示了中频振荡行为的内在机理。此外,还提出了Floquet乘子灵敏度,以便于选择与系统稳定性有关的关键参数,从而指导系统的优化设计。最后,进行了PSPICE电路实验,验证了上述理论和数值结果。
In this paper, we investigate the intermediate-frequency oscillation in a SEPIC power-factor-correction (PFC) converter under one-cycle control. The converter operates in continuous conduction mode (CCM). A systematic method is proposed to analyze the bifurcation behavior and explain the inherent physical mechanism of the intermediate-frequency oscillation. Based on the nonlinear averaged model, the approximate analytical expressions of the nominal periodic equilibrium state are calculated with the help of Galerkin approach. Then, the stability of the system is judged by the Floquet theory and the Floquet multiplier movement of the monodromy matrix is analyzed to reveal the underlying mechanism of the intermediate-frequency oscillation behavior. In addition, Floquet multiplier sensitivity is proposed to facilitate the selection of key parameters with respect to system stability so as to guide the optimal design of the system. Finally, PSpice circuit experiments are performed to verify the above theoretical and numerical ones.
DOI: 10.1109/pesc.1994.373827
发表时间: 1994-06
期刊: Proceedings of 1994 Power Electronics Specialist Conference - PESC'94
影响因子: --
作者:
A. Péres;D. C. Martins;I. Barbi
通讯作者: A. Péres;D. C. Martins;I. Barbi
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