The Time-Domain Analysis for Constant On-Time Critical Mode Boost-Type PFC Converters

被引：0
|
作者：
Chen, Yang-Lin [1 ]
Chen, Yaow-Ming [1 ]
Wu, Cheng-Nan [1 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Elect Energy Proc Lab EEPro, Taipei, Taiwan
来源：
2012 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2012年
关键词：
POWER-FACTOR-CORRECTION; INPUT-CURRENT;
D O I：
暂无
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：
This paper proposed a time-domain mathematical analysis for the constant on-time (COT) critical mode (CRM) boost-type power factor correction (PFC) converter with and without zero voltage switching (ZVS) or valley switching (VS). The mathematical expression for the unfiltered input current function is derived and used to calculate the total harmonic distortion (THD). Then, the input filter is considered to calculate the filtered THD. The derived mathematical equations will help users to understand the causes of the current distortion and to design an appropriate filter to reduce the THD. The accuracy of the proposed time-domain analysis is verified by different simulation software, Octave and SIMPLIS. The calculated THD values by the proposed mathematical expressions and by the circuit simulation software are found to be consistent.
引用
收藏
页码：4643 / 4648
页数：6
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