Evaluation of input current in the critical mode boost PFC converter for distributed power systems

被引:0
|
作者
Zhang, JD [1 ]
Shao, JW [1 ]
Xu, P [1 ]
Lee, FC [1 ]
Jovanovic, MM [1 ]
机构
[1] Virginia Polytech Inst & State Univ, Dept Elect & Comp Engn, Ctr Power Elect Syst, Blacksburg, VA 24061 USA
关键词
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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 presents the analysis and evaluation of the input current in the critical mode single-phase boost power-factor-correction (PFC) converter. First, the switching-frequency ripple of the input current is derived and the differential-mode EMI filters of the critical and continuous mode PFC rectifiers are calculated and compared. Next, the benefits and challenges of interleaving the critical mode PFC rectifiers are discussed. Finally, the low-frequency input current distortions are analyzed with respect to the switching-frequency limits of the critical mode boost PFC rectifier.
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页码:130 / 136
页数:7
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