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  • 學位論文

高效率LED驅動器

High Efficiency LED Driver

指導教授 : 呂順利
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摘要


隨著綠能產業興起,發光二極體照明(LED)已經廣泛被應用於各領域,因而LED驅動裝置扮演一重要角色,因此本文將引薦一LED驅動裝置電路,它是由AC-DC整流器與單端初級電感轉換器(Single-end primary inductor converter, SEPIC) DC-DC轉換器整合而成,且具有主動式功因較正功能。在文中將針對諧波分析,功率因數,轉換效率等指標加以分析,以驗證其優越性。

並列摘要


Light-emitting-diode (LED) lighting has been widely used in various fields due to the rise of green energy industry. Thus, the LED driver devices play an important role. This paper will reference to an LED drive circuit which is an integration of AC-DC rectifier and single-end primary inductor converter (SEPIC) DC-to-DC converter. This circuit is with the function of active power factor correction. Finally, the paper will be for the harmonic analysis, power factor, and power conversion efficiency indicators to verify its superiority.

參考文獻


[7] 鄭聖弘,“用於驅動照明LED燈之單級SEPIC轉換器”,中原大學電機工程學系,碩士學位論文,民國96年6月。
[1] 胡家傑,“返馳式發光二極體驅動器” ,崑山科技大學電機工程學系研究所碩士論文,2009。
[2] R. A. Pinto, M. R. Cosetin, et al, “Compact lamp using high- brightness LEDs”, IAS'08. IEEE,2008,pp: 1 - 5.
[3] I. L. Azevedo, M.G. Morgan, F. Morgan, “The transition to solid-state lighting” , Proceedings of the IEEE, 2009, Vol. 97, pp: 481-510.
[4] X. Long, R. Liao, J. Zhou, “Development of street lighting system- based novel high-brightness LED modules”, Optoelectronics IET,2009, Vol. 3, pp: 40 - 46.

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