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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
- 2016.7
- 수록면
- 1,268 - 1,276 (9page)
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초록· 키워드
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A triode for alternating current (TRIAC) dimming light emitting diode (LED) driver, which adopts a variable switched capacitor for LED dimming and LED power regulation, is proposed in this paper. The proposed LED driver is power efficient, reliable, and long lasting because of the TRIAC switch that serves as its main switch. Similar to previous TRIAC dimmers for lamps, turn-on timing of a TRIAC switch can be controlled by a volume resistor, which modulates the equivalent capacitance of the proposed variable switched capacitor. Thus, LED power regulation against source voltage variation and LED dimming control can be achieved by the proposed LED driver while meeting the global standards for power factor (PF) and total harmonic distortion (THD). The long life and high power efficiency of the proposed LED driver make it appropriate for industrial lighting applications, such as those for streets, factories, parking garages, and emergency stairs. The detailed analysis of the proposed LED driver and its design procedure are presented in this paper. A prototype of 80 W was fabricated and verified by experiments, which showed that the efficiency, PF, and THD at V<SUB>s</SUB> = 220 V are 93.8%, 0.95, and 22.5%, respectively; 65 W of LED dimming control was achieved with the volume resistor, and the LED power variation was well mitigated below 3.75% for 190 V < V<SUB>s</SUB> < 250 V.
목차
Abstract
I. INTRODUCTION
II. STATIC ANALYSIS OF THE PROPOSED LED DRIVER
III. DESIGN OF THE PROPOSED LED DRIVER
IV. EXPERIMENTAL VERIFICATIONS
V. CONCLUSION
REFERENCES
참고문헌 (41)
참고문헌 신청
[학술지(정기간행물)] - J. Y. Tsao / 2004 / Solid-state lighting : lamps, chips, and materials for tomorrow / IEEE Circuits & Devices Magazine 20 (3) : 28 ~ 37
[학술지(정기간행물)] - K. Streubel / 2002 / High brightness AlGaInP light-emitting diodes / IEEE J. Sel. Types Quantum Electron 8 (2) : 321 ~ 332
[학술대회논문] - Y. K. Cheng / 2006 / General study for using LED to replace traditional lighting devices / IEEE International Conference on Power Electronics Systems and Applications (ICPESA) : 173 ~ 177
[학술지(정기간행물)] - D. A. Steigerwald / 2002 / Illumination with solid state lighting technology / IEEE J. Sel. Topics Quantum Electron : 310 ~ 320
[학술대회논문] - M. Wendt / 2006 / LEDs in real lighting applications : from niche markets to general lighting / IEEE Industry Applications Conference : 2601 ~ 2603
[학술지(정기간행물)] - K. Streubel / 2002 / High brightness AlGaInP light-emitting diodes / IEEE J. Sel. Types Quantum Electron 8 (2) : 321 ~ 332
[학술대회논문] - Y. K. Cheng / 2006 / General study for using LED to replace traditional lighting devices / IEEE International Conference on Power Electronics Systems and Applications (ICPESA) : 173 ~ 177
[학술지(정기간행물)] - D. A. Steigerwald / 2002 / Illumination with solid state lighting technology / IEEE J. Sel. Topics Quantum Electron : 310 ~ 320
[학술대회논문] - M. Wendt / 2006 / LEDs in real lighting applications : from niche markets to general lighting / IEEE Industry Applications Conference : 2601 ~ 2603
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UCI(KEPA) : I410-ECN-0101-2017-560-000799891