Time-Varying Compensation for Peak Current-Controlled PFC Boost Converter

被引：44
作者：
Cheng, Weibin [1 ]
Song, Jiuxu [1 ]
Li, Hong [2 ]
Guo, Yingna [1 ]
机构：
[1] Xian Shiyou Univ, Sch Elect Engn, Xian 710065, Peoples R China
[2] Beijing Jiaotong Univ, Sch Elect Engn, Beijing 100044, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2015年 / 30卷 / 06期
基金：
中国国家自然科学基金;
关键词：
AC-DC power conversion; boost converter; power factor correction; ramp compensation; time-varying compensation; POWER-FACTOR-CORRECTION; FAST-SCALE INSTABILITY; BIFURCATION; MODE;
D O I：
10.1109/TPEL.2014.2334296
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, an optimal time-varying compensation method with zero eigenvalue is first put forward for peak current-controlled power factor correction (PFC) boost converter, which can eliminate the fast-scale instability without zero current dead zone and achieve unity power factor. First, a time-varying mathematic model of a peak current-controlled PFC boost converter under continuous conduction mode is established. Then, based on the theoretical and experimental analyses of the traditional ramp compensation, a time-varying dynamic compensation model and method are presented to obtain zero eigenvalue during the whole line cycle. Therefore, the PFC boost converter occupies the strongest stability control during each switching cycle and can run into stable operation in one switching cycle under any external interference. Finally, the proposed compensation method is verified with experiments. Results show that a unity power factor and the stability in the whole line cycle can be obtained simultaneously.
引用
收藏
页码：3431 / 3437
页数：7
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