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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.5
- 수록면
- 7 - 14 (8page)
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초록· 키워드
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Currently high power Light Emitting Diode (LED) is in the limelight due to its characteristics of long durability, low maintenance costs, and high efficiency. Furthermore, it does not emit pollutants or poisonous gases and is a light source not using mercury, so it holds a high status in eco-friendly terms as well. In this paper, we studied a two-stage LED power drive circuit that can compensate only voltage regulation through LED output current, in order to improve efficiency of LED drive with constant current control in accordance with changes in temperature. The proposed LED drive has an advantage of reducing LED drive's voltage losses by controlling only voltage change of input power, compared with an existing circuit which controls input voltage. The suggested non-insulation compensating circuit for voltage change was verified to have improved efficiency relative to a LED drive using existing DC/DC converter.
목차
Abstract
1. 서론
2. 본론
3. 실험
4. 결론
References
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UCI(KEPA) : I410-ECN-0101-2013-565-000602449