Input current shaper based on the series connection of a voltage source and a loss-free resistor

被引:31
|
作者
Sebastián, J [1 ]
Hernando, MM [1 ]
Fernández, A [1 ]
Villegas, PJ [1 ]
Díaz, J [1 ]
机构
[1] Univ Oviedo, Dept Ingn Elect Elect Computadores & Sistemas, Gijon 33204, Spain
关键词
IEC; 1000-3-2; specifications; power-factor correction; power supplies;
D O I
10.1109/28.913725
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new input current shaper is proposed in this paper. The operating principle is based on the connection of a voltage source and a loss-free resistor (LFR) between the input rectifier and the bulk capacitor in a conventional switching-mode power supply with no power-factor correction. Both the voltage source and the LFR are obtained as an additional output from the converter's transformer. This additional output is a forward-type one with one extra inductor, With the final topology, a good tradeoff between capacitor voltage, recycling energy, and harmonic content can be established in order to comply with IEC 1000-3-2 specifications.
引用
收藏
页码:583 / 591
页数:9
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