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부스터 컨버터 방식을 이용한 LED 구동회로에 관한연구
박정국 ( Zheng Guo Piao ),문은아 ( Eun A Moon ),김일주 ( Il Joo Kim ),조금배 ( Geum Bae Cho ),김현철 ( Hyeun Cher Kim ) 조선대학교 공학기술연구원 2009 공학기술논문지 Vol.2 No.1
The global energy shortage and environmental pollution problems are being increasingly prominent, people earnestly hope to apply a new technology to save energy and protect environment. LED(Light Emitting Diode) illumination light-source is just this kind of charming new technology. People attach ore and more importance to the semiconductor illumination for its remarkable merits just as longevity, energy saving, green environmental protection and so on, and consider it as the most valuable, new light source in the 21st century. The relatively recent development of LED is proving to have significant impact in lighting technology. In this paper study up on the theory, characteristic of LED and the parameter which is necessary consideration in drive circuit design and the sting configuration method.
박정국,최연옥,조금배,최창주 조선대학교 에너지.자원신기술연구소 2004 에너지·자원신기술연구소 논문지 Vol.26 No.2
Nowaday, almost of practical energy comes from the fossil fuel, such as coal, oil and gas. But those methode causes the environmental pollution. Photovoltaic systems are considered as a alternative energy source to overcome the shortage of electricity in the future. Photovoltaic system is easier to operate and maintain than the other power generating system since it generally contains no moving parts, operate silently and require very little maintenance. In this paper, it is proposed 150[W] solar tracking system, the system designed as the normal line of the solar cell always runs parallel the ray of the sun. This design can minimize the cosign loss of the system.