| Title |
Study of the Elimination of the Electrolytic Capacitors and Reduction of the Ripple Current on the Output Node in the One-Stage PFC Flyback Converter for the LED Lighting |
| Authors |
전용성(Jeon, Yong-Sung) ; 진달래(Jin, Dal-Lae) ; 나재두(La, Jae-Du) ; 김영석(Kim, Young-Seok) |
| DOI |
https://doi.org/10.5370/KIEE.2012.61.11.1625 |
| Keywords |
Electrolytic capacitor elimination ; Ripple current reduction ; Flyback converter ; One-stage PFC ; LED |
| Abstract |
In the lighting industry, a Lighting Emitting Diode (LED) is increasingly used because of many advantages and a eco-friendly product comparing with the conventional lighting. However, the LED lighting has to include various AC/DC converters because the direct current is used for the LED lighting. Among a lot of power converters, the flyback converter is widely used for the LED lighting and includes some electrolytic capacitors for the voltage regulation. But the electrolytic capacitor has shorter lifetime than the LED element. It makes the expected life-time of the converter having the electrolytic capacitor shorter than the LED element. This paper proposes the single-stage PFC flyback converter without electrolytic capacitors. To verify the performance of the proposed converter, simulated and experimental works were carried out. |