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주광을 활용한 LED조명시스템의 컨트롤에 관한 실험적 연구An Experimental Study on Control Strategy of LED System Using Daylight
- Other Titles
- An Experimental Study on Control Strategy of LED System Using Daylight
- Issue Date
- 2010
- Publisher
- 한국생태환경건축학회
- Keywords
- Daylighting; LED lights; Dimming control; Office building; Lighting energy saving; 자연채광; LED 조명; 디밍 컨트롤; 사무용 공간; 조명에너지 절약
- Citation
- KIEAE Journal, v.10, no.6, pp.33 - 39
- Indexed
- KCI
- Journal Title
- KIEAE Journal
- Volume
- 10
- Number
- 6
- Start Page
- 33
- End Page
- 39
- ISSN
- 2288-968X
- Abstract
- Visual Environment and productivity are correlated. So we need to create a comfortable visual environment and maintain proper workplane illumination level. We can obtain lighting energy savings and comfortable visual environment using daylight and LED lights. In this study, we characterized the indoor illuminance level according to the sky condition and proposed dimming control strategy of LED lights. Energy savings in On/Off control mode are 40% at clear sky and 28% at intermediate sky. In dimming control mode, energy savings are 77.2% at clear sky and 64.1% at intermediate sky. Then we obtain the appropriate dimming control strategy of LED lights based on data. Dimming rates are 0-14.2-80(min-avg-max, %) for LED 1, 0-19.9-60% for LED 2 and 30-61.4-90% for LED 3. Lighting energy savings are 68.2% for LED dimming system applied this control method.
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Collections - College of Engineering > Department of Architecture > 1. Journal Articles
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