Digitally controlled boost PFC converter with improved output voltage controller

被引:11
作者
De Belie, Frederik M. L. L.
Van de Sype, David M.
De Gusseme, Koen
Ryckaert, Wouter R. A.
Melkebeek, Jan A. A.
机构
[1] Univ Ghent, Dept EESA, Elect Energy Lab, EELAB, B-9000 Ghent, Belgium
[2] Inverto NV, B-9940 Evergem, Belgium
关键词
boost converter; converter control; digital signal processor; power factor correction; voltage compensator;
D O I
10.1007/s00202-006-0013-7
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
A novel digital voltage controller for boost PFC converters is proposed in this paper. If a fast voltage compensator is applied to control the DC output voltage, the DC output voltage ripple, pulsating at twice the grid frequency, causes a third harmonic of considerable magnitude in the line current. The new controller samples the DC-bus voltage at all zeroes of its ripple, resulting in a fast voltage control algorithm that guarantees a low total harmonic distortion in the line current. The performance of the proposed voltage controller is compared to other voltage controllers, by using a prototype of a digitally controlled boost PFC convertor.
引用
收藏
页码:363 / 370
页数:8
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