Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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The Method of Reducing the Output Electrolytic Capacitance in Single Stage PFC flyback Converter

Single stage PFC flyback 컨버터의 전해커패시터용량저감기법

  • Kim, Jin-Gu (Dept. of Electrical & Electronics Eng. Kangwon National Univ.) ;
  • Park, Chong-Yeon (Dept. of Electrical & Electronics Eng. Kangwon National Univ.)
  • Received : 2015.07.03
  • Accepted : 2015.08.04
  • Published : 2015.09.30
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Abstract

LED has been great attentions in lighting industry because of its long life-time, high efficiency, excellent light output characteristics. However, the life-time of the LED driving system is decreased because of the electrolytic capacitor which is used in the power conversion system for driving LED lighting. Therefore the capacitance reduction methods have been studied to replace an electrolytic capacitor with film or tantalum capacitor. This paper presents the Single stage PFC flyback converter with the simplified third harmonic current injection circuit to reduce output capacitance and the proposed system is theoretically analyzed and verified through the experiment.

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References

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