Digitally controlled boost power-factor-correction converters operating in both continuous and discontinuous conduction mode

被引：131

作者：

De Gussemé, K ^{[1
]}

Van de Sype, DM ^{[1
]}

Van den Bossche, APM ^{[1
]}

Melkebeek, JA ^{[1
]}

机构：

[1] Univ Ghent, Dept Elect Energy Syst & Automat, EESA, Elect Energy Lab,EELAB, B-9000 Ghent, Belgium

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2005年 / 52卷 / 01期

关键词：

digital control; discontinuous conduction mode (DCM); power-factor correction (PFC);

D O I：

10.1109/TIE.2004.841133

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Whereas power-factor-correction (PFC) converters for low-power ranges (less than 250 W) are commonly designed for operation in the discontinuous conduction mode, converters for higher power levels are operated in the continuous conduction mode. Nevertheless, when these converters are operated at reduced power, discontinuous conduction mode will appear during parts of the line period, yielding input current distortion. This distortion can be eliminated by employing a dedicated control algorithm, consisting of sample correction and duty-ratio feedforward. The reduction of the harmonic distortion of the input current and the increase of the power factor are demonstrated by experiments on a 1-kW boost PFC converter.

引用

页码：88 / 97

页数：10

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