DOI QR코드

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LED 조명용 One-Stage PFC Flyback 컨버터에서의 출력단 리플 저감과 전해 커패시터의 제거에 관한 연구

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

  • 투고 : 2012.08.06
  • 심사 : 2012.10.29
  • 발행 : 2012.11.01

초록

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.

키워드

참고문헌

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피인용 문헌

  1. Single-stage Dimmable PFC DCM Flyback Converter without Electrolytic Capacitor vol.62, pp.11, 2013, https://doi.org/10.5370/KIEE.2013.62.11.1550
  2. 1-stage Asymmetrical LLC Resonant Converter with Low Voltage Stress Across Switching Devices vol.62, pp.8, 2013, https://doi.org/10.5370/KIEE.2013.62.8.1101
  3. Study on the Electrical Safety Management Method through the Electrical Characteristic Analysis of LED Lamps vol.65, pp.11, 2016, https://doi.org/10.5370/KIEE.2016.65.11.1931
  4. The Study of Ripple Reduction of the PFC CCM Flyback Converter without Electrolytic Capacitor for LED Lightings using LC Resonant Filter vol.65, pp.4, 2016, https://doi.org/10.5370/KIEE.2016.65.4.601
  5. Study of DCM Interleaved Boost PFC Converter without the Detection of the Inductor Current vol.65, pp.4, 2016, https://doi.org/10.5370/KIEEP.2016.65.4.303