Proceedings of the KIPE Conference (전력전자학회:학술대회논문집)
- 2003.11a
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- Pages.263-266
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- 2003
A study on control strategy of power factor correction for AC-DC power conversion system
AC-DC 전력변환기의 역률개선 제어기법에 관한 연구
- Kwak Dong-Kurl (Dept. of Electrical and Electronic Eng. Donghae Univ.) ;
- Lee Hyun-Woo (Dept. of Electrical Engineering Kyungnam Univ.)
- Published : 2003.11.01
Abstract
The high power factor converters are classified step-up, step-up-down and step-down converter, The power conversion system must be increased switching frequency in order to achieve a small size, a light weight and a low noise. And the power system brings on a high efficiency and high power factor. When a switch of the step down converter is operated with a commercial frequency(60Hz), a reactor using the converter is gone with a great number of harmonics waveforms of low grade. As results of this, the converter is decreased input power factor and is increased system size. To improved these, this paper proposes a PSM(Pulse Size Modulation) control strategy operated with high power factor.
Keywords