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Period-doubling bifurcation in two-stage power factor correction converters using the method of incremental harmonic balance and Floquet theory

ISSN号：1674-1056
期刊名称：《中国物理B：英文版》
时间：0
分类：TN86[电子电信—信息与通信工程] TM303.3[电气工程—电机]
作者机构：[1]State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi＇an Jiaotong University, Xi＇an 710049, China
相关基金：Project supported by the National Natural Science Foundation of China （Grant No. 51007068）, the Specialized Research Fund for the Doctoral Program of Higher Education of China （Grant No. 20100201120028）, the Fundamental Research Funds for the Central Universities of China, and the State Key Laboratory of Electrical Insulation and Power Equipment of China （Grant No. EIPE10303）.

作者：王发强[1], 张浩[1], 马西奎[1]

关键词： FLOQUET理论, 功率因数校正, 增量谐波平衡法, 降压转换器, 倍周期分岔, 平均电流模式控制, DC-DC, 分岔分析, two-stage power factor correction converter, incremental harmonic balance, Floquet theory, period-doubling bifurcation

中文摘要：

In this paper,period-doubling bifurcation in a two-stage power factor correction converter is analyzed by using the method of incremental harmonic balance (IHB) and Floquet theory.A two-stage power factor correction converter typically employs a cascade configuration of a pre-regulator boost power factor correction converter with average current mode control to achieve a near unity power factor and a tightly regulated post-regulator DC-DC Buck converter with voltage feedback control to regulate the output voltage.Based on the assumption that the tightly regulated postregulator DC-DC Buck converter is represented as a constant power sink and some other assumptions,the simplified model of the two-stage power factor correction converter is derived and its approximate periodic solution is calculated by the method of IHB.And then,the stability of the system is investigated by using Floquet theory and the stable boundaries are presented on the selected parameter spaces.Finally,some experimental results are given to confirm the effectiveness of the theoretical analysis.

英文摘要：

In this paper, period-doubling bifurcation in a two-stage power factor correction converter is analyzed by using the method of incremental harmonic balance （IHB） and Floquet theory. A two-stage power factor correction converter typically employs a cascade configuration of a pre-regulator boost power factor correction converter with average current mode control to achieve a near unity power factor and a tightly regulated post-regulator DC-DC Buck converter with voltage feedback control to regulate the output voltage. Based on the assumption that the tightly regulated postregulator DC-DC Buck converter is represented as a constant power sink and some other assumptions, the simplified model of the two-stage power factor correction converter is derived and its approximate periodic solution is calculated by the method of IHB. And then, the stability of the system is investigated by using Floquet theory and the stable boundaries are presented on the selected parameter spaces. Finally, some experimental results are given to confirm the effectiveness of the theoretical analysis.

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